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Split overflow tests (#611)
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schuessf committed Feb 28, 2024
1 parent 76333b4 commit e7be01e
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@@ -1,14 +1,14 @@
// Author: [email protected]
// Date: 2022-11-16
//
// We assume sizeof(int)=4.

#include <stdio.h>
#include <stdlib.h>

int main() {
int minInt = -2147483647 - 1;
int x = abs(minInt);
printf("%d\n", x);
return 0;
}
// Author: [email protected]
// Date: 2022-11-16
//
// We assume sizeof(int)=4.

#include <stdio.h>
#include <stdlib.h>

int main() {
int minInt = -2147483647 - 1;
int x = abs(minInt);
printf("%d\n", x);
return 0;
}
Original file line number Diff line number Diff line change
@@ -1,14 +1,14 @@
// Author: [email protected]
// Date: 2022-11-16
//
// We assume sizeof(int)=4.

#include <stdio.h>
#include <stdlib.h>

int main() {
int smallNumber = -2147483647;
int x = abs(smallNumber);
printf("%d\n", x);
return 0;
}
// Author: [email protected]
// Date: 2022-11-16
//
// We assume sizeof(int)=4.

#include <stdio.h>
#include <stdlib.h>

int main() {
int smallNumber = -2147483647;
int x = abs(smallNumber);
printf("%d\n", x);
return 0;
}
Original file line number Diff line number Diff line change
@@ -1,12 +1,12 @@
// Author: [email protected]
// Date: 2015-09-01
//
// We assume sizeof(int)=4.

#include <stdio.h>

int main() {
int x = (2147483647 + 1) - 23;
printf("%d\n", x);
return 0;
}
// Author: [email protected]
// Date: 2015-09-01
//
// We assume sizeof(int)=4.

#include <stdio.h>

int main() {
int x = (2147483647 + 1) - 23;
printf("%d\n", x);
return 0;
}
Original file line number Diff line number Diff line change
@@ -1,13 +1,13 @@
// Author: [email protected]
// Date: 2015-09-01
//
// We assume sizeof(int)=4.

#include <stdio.h>

int main() {
int minInt = -2147483647 - 1;
int x = (minInt + -1) + 23;
printf("%d\n", x);
return 0;
}
// Author: [email protected]
// Date: 2015-09-01
//
// We assume sizeof(int)=4.

#include <stdio.h>

int main() {
int minInt = -2147483647 - 1;
int x = (minInt + -1) + 23;
printf("%d\n", x);
return 0;
}
Original file line number Diff line number Diff line change
@@ -1,20 +1,20 @@
#Mon Sep 07 12:50:17 CEST 2015
@de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator=0.0.1
/instance/de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator/Check\ absence\ of\ signed\ integer\ overflows=true
#Mon Sep 07 12:50:17 CEST 2015
file_export_version=3.0
#Wed Jan 15 21:36:24 CET 2014
file_export_version=3.0
@de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction=0.0.1
\!/instance/de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction=
/instance/de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction/Compute\ Hoare\ Annotation\ of\ negated\ interpolant\ automaton,\ abstraction\ and\ CFG=true
/instance/de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction/SMT\ solver=External_ModelsAndUnsatCoreMode
/instance/de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction/Trace\ refinement\ strategy=FIXED_PREFERENCES
/instance/de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction/Command\ for\ external\ solver=z3 SMTLIB2_COMPLIANT\=true -memory\:2024 -smt2 -in -t\:12000
#Fri Mar 07 12:08:07 CET 2014
/instance/de.uni_freiburg.informatik.ultimate.core/Log\ Level\ for\ Controller\ Plugin=INFO
/instance/de.uni_freiburg.informatik.ultimate.core/Log\ Level\ for\ Core\ Plugin=INFO
/instance/de.uni_freiburg.informatik.ultimate.core/Log\ Level\ for\ External\ Tools=INFO
/instance/de.uni_freiburg.informatik.ultimate.core/Root\ Log\ Level=INFO
/instance/de.uni_freiburg.informatik.ultimate.core/Log\ Level\ for\ Plugins=INFO
#Mon Sep 07 12:50:17 CEST 2015
@de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator=0.0.1
/instance/de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator/Check\ absence\ of\ signed\ integer\ overflows=true
#Mon Sep 07 12:50:17 CEST 2015
file_export_version=3.0
#Wed Jan 15 21:36:24 CET 2014
file_export_version=3.0
@de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction=0.0.1
\!/instance/de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction=
/instance/de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction/Compute\ Hoare\ Annotation\ of\ negated\ interpolant\ automaton,\ abstraction\ and\ CFG=true
/instance/de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction/SMT\ solver=External_ModelsAndUnsatCoreMode
/instance/de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction/Trace\ refinement\ strategy=FIXED_PREFERENCES
/instance/de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction/Command\ for\ external\ solver=z3 SMTLIB2_COMPLIANT\=true -memory\:2024 -smt2 -in -t\:12000

#Fri Mar 07 12:08:07 CET 2014
/instance/de.uni_freiburg.informatik.ultimate.core/Log\ Level\ for\ Controller\ Plugin=INFO
/instance/de.uni_freiburg.informatik.ultimate.core/Log\ Level\ for\ Core\ Plugin=INFO
/instance/de.uni_freiburg.informatik.ultimate.core/Log\ Level\ for\ External\ Tools=INFO
/instance/de.uni_freiburg.informatik.ultimate.core/Root\ Log\ Level=INFO
/instance/de.uni_freiburg.informatik.ultimate.core/Log\ Level\ for\ Plugins=INFO
Original file line number Diff line number Diff line change
@@ -1,17 +1,17 @@
// Author: [email protected]
// Date: 2015-09-09
//
// We assume sizeof(int)=4 and sizeof(long)>4.

#include <stdio.h>

int main() {
// The literal of type long on the right-hand side is exactly INT_MAX+1 and will
// be converted to int.
// Paragraph 6.3.1.3.3 of C11 says that if "[..] the new type is signed and the
// value cannot be represented in it; either the result is implementation-defined
// or an implementation-defined signal is raised."
int x = 2147483648L;
printf("%d\n", x);
return 0;
}
// Author: [email protected]
// Date: 2015-09-09
//
// We assume sizeof(int)=4 and sizeof(long)>4.

#include <stdio.h>

int main() {
// The literal of type long on the right-hand side is exactly INT_MAX+1 and will
// be converted to int.
// Paragraph 6.3.1.3.3 of C11 says that if "[..] the new type is signed and the
// value cannot be represented in it; either the result is implementation-defined
// or an implementation-defined signal is raised."
int x = 2147483648L;
printf("%d\n", x);
return 0;
}
Original file line number Diff line number Diff line change
@@ -1,13 +1,13 @@
// Author: [email protected]
// Date: 2015-09-01
//
// We assume sizeof(int)=4.

#include <stdio.h>

int main() {
int minInt = -2147483647 - 1;
int x = (minInt / -1 ) - 1;
printf("%d\n", x);
return 0;
}
// Author: [email protected]
// Date: 2015-09-01
//
// We assume sizeof(int)=4.

#include <stdio.h>

int main() {
int minInt = -2147483647 - 1;
int x = (minInt / -1 ) - 1;
printf("%d\n", x);
return 0;
}
Original file line number Diff line number Diff line change
@@ -1,18 +1,18 @@
// Author: [email protected]
// Date: 2015-09-01

#include <stdio.h>

int main() {
// we assume sizeof(short)=2 and sizeof(int)=4
// assume SHRT_MAX=32768
short a = 32767;
// "Surprisingly", there is no overflow here. During the usual arithmetic
// conversions, the operands of + are promoted to int.
// The right-hand side of the assignment is converted to unsigned short
// which is defined in 6.3.1.3.2 of C11
// http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1570.pdf
unsigned short b = a + a + a;
printf("value %u",b);
return 0;
}
// Author: [email protected]
// Date: 2015-09-01

#include <stdio.h>

int main() {
// we assume sizeof(short)=2 and sizeof(int)=4
// assume SHRT_MAX=32768
short a = 32767;
// "Surprisingly", there is no overflow here. During the usual arithmetic
// conversions, the operands of + are promoted to int.
// The right-hand side of the assignment is converted to unsigned short
// which is defined in 6.3.1.3.2 of C11
// http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1570.pdf
unsigned short b = a + a + a;
printf("value %u",b);
return 0;
}
Original file line number Diff line number Diff line change
@@ -1,19 +1,19 @@
// #Unsafe
// Author: [email protected]
// Date: 2022-11-20
//
// We assume sizeof(int)=4.

#include <limits.h>
#include <stdio.h>


int main() {
int x = 2147483647;
int y = 2147483647;
// Although the value is assigned to a long long
// the result of the multiplication has type int
long long z = x * y;
printf("%lld\n", z);
return 0;
}
// #Unsafe
// Author: [email protected]
// Date: 2022-11-20
//
// We assume sizeof(int)=4.

#include <limits.h>
#include <stdio.h>


int main() {
int x = 2147483647;
int y = 2147483647;
// Although the value is assigned to a long long
// the result of the multiplication has type int
long long z = x * y;
printf("%lld\n", z);
return 0;
}
Original file line number Diff line number Diff line change
@@ -1,17 +1,17 @@
// #Safe
// Author: [email protected]
// Date: 2022-11-20
//
// We assume sizeof(int)=4.

#include <limits.h>
#include <stdio.h>


int main() {
long long x = 2147483647;
long long y = 2147483647;
long long z = x * y;
printf("%lld\n", z);
return 0;
}
// #Safe
// Author: [email protected]
// Date: 2022-11-20
//
// We assume sizeof(int)=4.

#include <limits.h>
#include <stdio.h>


int main() {
long long x = 2147483647;
long long y = 2147483647;
long long z = x * y;
printf("%lld\n", z);
return 0;
}
Original file line number Diff line number Diff line change
@@ -1,18 +1,18 @@
// #Safe
// Author: [email protected]
// Date: 2022-11-20
//
// We assume sizeof(int)=4.

#include <limits.h>
#include <stdio.h>


int main() {
long long x = -2147483648LL;
long long y = -2147483648LL;
// size of long long is sufficient -2^31*-2^31=2^62
long long z = x * y;
printf("%lld\n", z);
return 0;
}
// #Safe
// Author: [email protected]
// Date: 2022-11-20
//
// We assume sizeof(int)=4.

#include <limits.h>
#include <stdio.h>


int main() {
long long x = -2147483648LL;
long long y = -2147483648LL;
// size of long long is sufficient -2^31*-2^31=2^62
long long z = x * y;
printf("%lld\n", z);
return 0;
}
Original file line number Diff line number Diff line change
@@ -1,12 +1,12 @@
// Author: [email protected]
// Date: 2015-09-01
//
// We assume sizeof(int)=4.

#include <stdio.h>

int main() {
int x = (65536 * 32768) - 1;
printf("%d\n", x);
return 0;
}
// Author: [email protected]
// Date: 2015-09-01
//
// We assume sizeof(int)=4.

#include <stdio.h>

int main() {
int x = (65536 * 32768) - 1;
printf("%d\n", x);
return 0;
}
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