/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/ldv-regression/test_overflow.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 23:05:47,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 23:05:47,886 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 23:05:47,927 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-23 23:05:47,928 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-23 23:05:47,929 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-23 23:05:47,931 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-23 23:05:47,933 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-23 23:05:47,936 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-23 23:05:47,937 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-23 23:05:47,938 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-23 23:05:47,940 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-23 23:05:47,940 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 23:05:47,942 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 23:05:47,943 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 23:05:47,944 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 23:05:47,953 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 23:05:47,954 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 23:05:47,956 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 23:05:47,958 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 23:05:47,960 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 23:05:47,970 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 23:05:47,971 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 23:05:47,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 23:05:47,979 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-23 23:05:47,998 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 23:05:48,000 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 23:05:48,000 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 23:05:48,002 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-23 23:05:48,024 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 23:05:48,024 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 23:05:48,029 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 23:05:48,029 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 23:05:48,030 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 23:05:48,030 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 23:05:48,030 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 23:05:48,030 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 23:05:48,030 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 23:05:48,031 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 23:05:48,032 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 23:05:48,032 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 23:05:48,032 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 23:05:48,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 23:05:48,033 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 23:05:48,033 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-23 23:05:48,033 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-23 23:05:48,033 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 23:05:48,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 23:05:48,034 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 23:05:48,034 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-23 23:05:48,034 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 23:05:48,034 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2021-02-23 23:05:48,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 23:05:48,478 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 23:05:48,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 23:05:48,483 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 23:05:48,484 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 23:05:48,485 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_overflow.i [2021-02-23 23:05:48,564 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a95968f67/43529f1d752345869deee2b0d840c3c7/FLAG2b817c885 [2021-02-23 23:05:49,327 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 23:05:49,328 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_overflow.i [2021-02-23 23:05:49,344 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a95968f67/43529f1d752345869deee2b0d840c3c7/FLAG2b817c885 [2021-02-23 23:05:49,473 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a95968f67/43529f1d752345869deee2b0d840c3c7 [2021-02-23 23:05:49,476 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 23:05:49,492 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 23:05:49,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 23:05:49,500 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 23:05:49,505 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 23:05:49,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 11:05:49" (1/1) ... [2021-02-23 23:05:49,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@594a0f82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:49, skipping insertion in model container [2021-02-23 23:05:49,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 11:05:49" (1/1) ... [2021-02-23 23:05:49,518 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 23:05:49,588 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 23:05:50,171 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_overflow.i[33387,33400] [2021-02-23 23:05:50,184 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 23:05:50,195 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 23:05:50,240 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_overflow.i[33387,33400] [2021-02-23 23:05:50,243 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 23:05:50,459 INFO L208 MainTranslator]: Completed translation [2021-02-23 23:05:50,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:50 WrapperNode [2021-02-23 23:05:50,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 23:05:50,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 23:05:50,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 23:05:50,461 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 23:05:50,477 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:50" (1/1) ... [2021-02-23 23:05:50,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:50" (1/1) ... [2021-02-23 23:05:50,516 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:50" (1/1) ... [2021-02-23 23:05:50,516 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:50" (1/1) ... [2021-02-23 23:05:50,555 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:50" (1/1) ... [2021-02-23 23:05:50,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:50" (1/1) ... [2021-02-23 23:05:50,570 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:50" (1/1) ... [2021-02-23 23:05:50,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 23:05:50,593 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 23:05:50,594 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 23:05:50,594 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 23:05:50,595 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 23:05:50,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 23:05:50,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 23:05:50,719 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 23:05:50,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-02-23 23:05:50,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-02-23 23:05:50,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-02-23 23:05:50,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-02-23 23:05:50,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-02-23 23:05:50,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2021-02-23 23:05:50,721 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 23:05:50,722 INFO L138 BoogieDeclarations]: Found implementation of procedure getService [2021-02-23 23:05:50,722 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 23:05:50,722 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 23:05:50,723 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 23:05:50,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 23:05:50,723 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-02-23 23:05:50,723 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-02-23 23:05:50,724 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-02-23 23:05:50,725 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-02-23 23:05:50,725 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-02-23 23:05:50,727 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-02-23 23:05:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-02-23 23:05:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-02-23 23:05:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-02-23 23:05:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-02-23 23:05:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-02-23 23:05:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-02-23 23:05:50,729 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-02-23 23:05:50,729 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-02-23 23:05:50,729 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-02-23 23:05:50,729 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-02-23 23:05:50,729 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-02-23 23:05:50,730 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-02-23 23:05:50,730 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-02-23 23:05:50,730 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-02-23 23:05:50,730 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-02-23 23:05:50,730 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-02-23 23:05:50,730 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-02-23 23:05:50,731 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-02-23 23:05:50,731 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-02-23 23:05:50,731 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-02-23 23:05:50,731 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-02-23 23:05:50,731 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-02-23 23:05:50,731 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-02-23 23:05:50,732 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-02-23 23:05:50,732 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-02-23 23:05:50,732 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-02-23 23:05:50,732 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-02-23 23:05:50,732 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-02-23 23:05:50,732 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-02-23 23:05:50,732 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-02-23 23:05:50,733 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-02-23 23:05:50,733 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-02-23 23:05:50,733 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-02-23 23:05:50,733 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-02-23 23:05:50,733 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-02-23 23:05:50,733 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-02-23 23:05:50,734 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-02-23 23:05:50,734 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-02-23 23:05:50,734 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-02-23 23:05:50,734 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-02-23 23:05:50,734 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-02-23 23:05:50,735 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-02-23 23:05:50,735 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-02-23 23:05:50,735 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-02-23 23:05:50,736 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-02-23 23:05:50,736 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-02-23 23:05:50,736 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-02-23 23:05:50,737 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-02-23 23:05:50,737 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-02-23 23:05:50,737 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-23 23:05:50,737 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-23 23:05:50,738 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-02-23 23:05:50,738 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-23 23:05:50,738 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-02-23 23:05:50,738 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-02-23 23:05:50,738 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-02-23 23:05:50,738 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-02-23 23:05:50,739 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-02-23 23:05:50,739 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-02-23 23:05:50,740 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-02-23 23:05:50,740 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-23 23:05:50,740 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-02-23 23:05:50,741 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-02-23 23:05:50,742 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-02-23 23:05:50,742 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-02-23 23:05:50,742 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-02-23 23:05:50,742 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-02-23 23:05:50,743 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-02-23 23:05:50,743 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-02-23 23:05:50,744 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-02-23 23:05:50,744 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-02-23 23:05:50,744 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-02-23 23:05:50,744 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-02-23 23:05:50,744 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-02-23 23:05:50,745 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-02-23 23:05:50,745 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-02-23 23:05:50,745 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-02-23 23:05:50,745 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-02-23 23:05:50,745 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-02-23 23:05:50,745 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-02-23 23:05:50,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-02-23 23:05:50,746 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-02-23 23:05:50,746 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-02-23 23:05:50,746 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-02-23 23:05:50,746 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-02-23 23:05:50,746 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-02-23 23:05:50,746 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-02-23 23:05:50,746 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-02-23 23:05:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-02-23 23:05:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-02-23 23:05:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-02-23 23:05:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-02-23 23:05:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-02-23 23:05:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-02-23 23:05:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-02-23 23:05:50,748 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-02-23 23:05:50,748 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-02-23 23:05:50,748 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-02-23 23:05:50,748 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-02-23 23:05:50,748 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-02-23 23:05:50,748 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2021-02-23 23:05:50,748 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2021-02-23 23:05:50,749 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2021-02-23 23:05:50,749 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2021-02-23 23:05:50,749 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2021-02-23 23:05:50,749 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2021-02-23 23:05:50,750 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2021-02-23 23:05:50,750 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2021-02-23 23:05:50,750 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2021-02-23 23:05:50,750 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2021-02-23 23:05:50,750 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2021-02-23 23:05:50,750 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2021-02-23 23:05:50,751 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2021-02-23 23:05:50,751 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2021-02-23 23:05:50,751 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2021-02-23 23:05:50,752 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2021-02-23 23:05:50,752 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2021-02-23 23:05:50,752 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2021-02-23 23:05:50,752 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2021-02-23 23:05:50,753 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2021-02-23 23:05:50,754 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2021-02-23 23:05:50,757 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2021-02-23 23:05:50,758 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2021-02-23 23:05:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2021-02-23 23:05:50,760 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2021-02-23 23:05:50,760 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2021-02-23 23:05:50,761 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2021-02-23 23:05:50,765 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2021-02-23 23:05:50,765 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2021-02-23 23:05:50,765 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2021-02-23 23:05:50,766 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2021-02-23 23:05:50,766 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2021-02-23 23:05:50,766 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2021-02-23 23:05:50,766 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2021-02-23 23:05:50,766 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2021-02-23 23:05:50,766 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2021-02-23 23:05:50,766 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2021-02-23 23:05:50,767 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2021-02-23 23:05:50,767 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-23 23:05:50,767 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2021-02-23 23:05:50,768 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2021-02-23 23:05:50,768 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2021-02-23 23:05:50,768 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2021-02-23 23:05:50,768 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2021-02-23 23:05:50,768 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2021-02-23 23:05:50,769 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2021-02-23 23:05:50,769 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2021-02-23 23:05:50,769 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2021-02-23 23:05:50,769 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2021-02-23 23:05:50,769 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2021-02-23 23:05:50,769 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2021-02-23 23:05:50,769 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2021-02-23 23:05:50,770 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2021-02-23 23:05:50,770 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2021-02-23 23:05:50,770 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2021-02-23 23:05:50,770 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2021-02-23 23:05:50,770 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2021-02-23 23:05:50,770 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2021-02-23 23:05:50,770 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2021-02-23 23:05:50,771 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2021-02-23 23:05:50,771 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2021-02-23 23:05:50,771 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2021-02-23 23:05:50,771 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2021-02-23 23:05:50,771 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2021-02-23 23:05:50,771 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2021-02-23 23:05:50,771 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2021-02-23 23:05:50,772 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2021-02-23 23:05:50,772 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2021-02-23 23:05:50,772 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2021-02-23 23:05:50,772 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2021-02-23 23:05:50,772 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2021-02-23 23:05:50,772 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2021-02-23 23:05:50,773 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-02-23 23:05:50,773 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2021-02-23 23:05:50,773 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2021-02-23 23:05:50,773 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2021-02-23 23:05:50,773 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2021-02-23 23:05:50,773 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2021-02-23 23:05:50,773 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2021-02-23 23:05:50,774 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2021-02-23 23:05:50,774 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2021-02-23 23:05:50,774 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2021-02-23 23:05:50,774 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2021-02-23 23:05:50,774 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2021-02-23 23:05:50,774 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2021-02-23 23:05:50,774 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2021-02-23 23:05:50,775 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2021-02-23 23:05:50,775 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2021-02-23 23:05:50,775 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2021-02-23 23:05:50,775 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2021-02-23 23:05:50,775 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2021-02-23 23:05:50,775 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2021-02-23 23:05:50,776 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2021-02-23 23:05:50,776 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2021-02-23 23:05:50,776 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2021-02-23 23:05:50,776 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2021-02-23 23:05:50,776 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2021-02-23 23:05:50,776 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2021-02-23 23:05:50,776 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2021-02-23 23:05:50,776 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2021-02-23 23:05:50,777 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2021-02-23 23:05:50,777 INFO L130 BoogieDeclarations]: Found specification of procedure getService [2021-02-23 23:05:50,777 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 23:05:50,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 23:05:50,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 23:05:50,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 23:05:50,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 23:05:50,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 23:05:50,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 23:05:51,596 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 23:05:51,597 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-23 23:05:51,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 11:05:51 BoogieIcfgContainer [2021-02-23 23:05:51,599 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 23:05:51,601 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 23:05:51,601 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 23:05:51,605 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 23:05:51,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 11:05:49" (1/3) ... [2021-02-23 23:05:51,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c1ff6c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 11:05:51, skipping insertion in model container [2021-02-23 23:05:51,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:05:50" (2/3) ... [2021-02-23 23:05:51,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c1ff6c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 11:05:51, skipping insertion in model container [2021-02-23 23:05:51,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 11:05:51" (3/3) ... [2021-02-23 23:05:51,608 INFO L111 eAbstractionObserver]: Analyzing ICFG test_overflow.i [2021-02-23 23:05:51,615 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-23 23:05:51,621 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 23:05:51,641 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 23:05:51,664 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 23:05:51,664 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 23:05:51,664 INFO L378 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2021-02-23 23:05:51,664 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 23:05:51,664 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 23:05:51,664 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 23:05:51,665 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 23:05:51,665 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 23:05:51,679 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2021-02-23 23:05:51,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-02-23 23:05:51,688 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:05:51,689 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:05:51,690 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:05:51,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:05:51,696 INFO L82 PathProgramCache]: Analyzing trace with hash -322855084, now seen corresponding path program 1 times [2021-02-23 23:05:51,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:05:51,710 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [351067698] [2021-02-23 23:05:51,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:05:51,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:05:52,008 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:52,010 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:05:52,011 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:52,013 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:05:52,032 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:52,033 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:05:52,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:05:52,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:05:52,174 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:52,176 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:05:52,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 23:05:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:05:52,230 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:52,231 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:05:52,233 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:05:52,233 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:05:52,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 23:05:52,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [351067698] [2021-02-23 23:05:52,251 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:05:52,251 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-23 23:05:52,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750214051] [2021-02-23 23:05:52,258 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-23 23:05:52,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:05:52,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-23 23:05:52,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-23 23:05:52,285 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 5 states. [2021-02-23 23:05:52,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:05:52,465 INFO L93 Difference]: Finished difference Result 46 states and 45 transitions. [2021-02-23 23:05:52,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-23 23:05:52,467 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2021-02-23 23:05:52,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:05:52,475 INFO L225 Difference]: With dead ends: 46 [2021-02-23 23:05:52,475 INFO L226 Difference]: Without dead ends: 0 [2021-02-23 23:05:52,480 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-23 23:05:52,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-23 23:05:52,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-23 23:05:52,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-23 23:05:52,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-23 23:05:52,508 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2021-02-23 23:05:52,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:05:52,508 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-23 23:05:52,508 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-23 23:05:52,508 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-23 23:05:52,508 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-23 23:05:52,509 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 23:05:52,511 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-23 23:05:52,898 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-23 23:05:52,898 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-23 23:05:52,898 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-23 23:05:52,898 INFO L185 CegarLoopUtils]: At program point L3-2(line 3) the Hoare annotation is: (= ~globalSize~0 |old(~globalSize~0)|) [2021-02-23 23:05:52,898 INFO L185 CegarLoopUtils]: At program point L3-3(line 3) the Hoare annotation is: (= ~globalSize~0 |old(~globalSize~0)|) [2021-02-23 23:05:52,899 INFO L185 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (= ~globalSize~0 |old(~globalSize~0)|) [2021-02-23 23:05:52,899 INFO L185 CegarLoopUtils]: At program point L3-4(line 3) the Hoare annotation is: (= ~globalSize~0 |old(~globalSize~0)|) [2021-02-23 23:05:52,899 INFO L185 CegarLoopUtils]: At program point L767(line 767) the Hoare annotation is: (= ~globalSize~0 |old(~globalSize~0)|) [2021-02-23 23:05:52,899 INFO L185 CegarLoopUtils]: At program point L-1-1(line -1) the Hoare annotation is: (= ~globalSize~0 |old(~globalSize~0)|) [2021-02-23 23:05:52,899 INFO L185 CegarLoopUtils]: At program point L3-5(line 3) the Hoare annotation is: (= ~globalSize~0 |old(~globalSize~0)|) [2021-02-23 23:05:52,899 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2021-02-23 23:05:52,899 INFO L185 CegarLoopUtils]: At program point L761(line 761) the Hoare annotation is: (= ~globalSize~0 |old(~globalSize~0)|) [2021-02-23 23:05:52,900 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~globalSize~0 |old(~globalSize~0)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2021-02-23 23:05:52,900 INFO L185 CegarLoopUtils]: At program point L3(line 3) the Hoare annotation is: (= ~globalSize~0 |old(~globalSize~0)|) [2021-02-23 23:05:52,900 INFO L185 CegarLoopUtils]: At program point L3-1(line 3) the Hoare annotation is: (= ~globalSize~0 |old(~globalSize~0)|) [2021-02-23 23:05:52,900 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2021-02-23 23:05:52,900 INFO L189 CegarLoopUtils]: For program point __bswap_32ENTRY(lines 162 166) no Hoare annotation was computed. [2021-02-23 23:05:52,900 INFO L189 CegarLoopUtils]: For program point __bswap_32FINAL(lines 162 166) no Hoare annotation was computed. [2021-02-23 23:05:52,901 INFO L189 CegarLoopUtils]: For program point L165(line 165) no Hoare annotation was computed. [2021-02-23 23:05:52,901 INFO L189 CegarLoopUtils]: For program point L165-1(line 165) no Hoare annotation was computed. [2021-02-23 23:05:52,901 INFO L189 CegarLoopUtils]: For program point __bswap_32EXIT(lines 162 166) no Hoare annotation was computed. [2021-02-23 23:05:52,901 INFO L189 CegarLoopUtils]: For program point __bswap_64ENTRY(lines 167 171) no Hoare annotation was computed. [2021-02-23 23:05:52,901 INFO L189 CegarLoopUtils]: For program point L170(line 170) no Hoare annotation was computed. [2021-02-23 23:05:52,901 INFO L189 CegarLoopUtils]: For program point L170-1(line 170) no Hoare annotation was computed. [2021-02-23 23:05:52,901 INFO L189 CegarLoopUtils]: For program point __bswap_64FINAL(lines 167 171) no Hoare annotation was computed. [2021-02-23 23:05:52,901 INFO L189 CegarLoopUtils]: For program point __bswap_64EXIT(lines 167 171) no Hoare annotation was computed. [2021-02-23 23:05:52,902 INFO L189 CegarLoopUtils]: For program point L175(line 175) no Hoare annotation was computed. [2021-02-23 23:05:52,902 INFO L189 CegarLoopUtils]: For program point __uint16_identityENTRY(lines 172 176) no Hoare annotation was computed. [2021-02-23 23:05:52,902 INFO L189 CegarLoopUtils]: For program point __uint16_identityEXIT(lines 172 176) no Hoare annotation was computed. [2021-02-23 23:05:52,902 INFO L189 CegarLoopUtils]: For program point __uint16_identityFINAL(lines 172 176) no Hoare annotation was computed. [2021-02-23 23:05:52,902 INFO L189 CegarLoopUtils]: For program point __uint64_identityFINAL(lines 182 186) no Hoare annotation was computed. [2021-02-23 23:05:52,902 INFO L189 CegarLoopUtils]: For program point L185(line 185) no Hoare annotation was computed. [2021-02-23 23:05:52,902 INFO L189 CegarLoopUtils]: For program point __uint64_identityENTRY(lines 182 186) no Hoare annotation was computed. [2021-02-23 23:05:52,903 INFO L189 CegarLoopUtils]: For program point __uint64_identityEXIT(lines 182 186) no Hoare annotation was computed. [2021-02-23 23:05:52,903 INFO L192 CegarLoopUtils]: At program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 752) the Hoare annotation is: true [2021-02-23 23:05:52,903 INFO L192 CegarLoopUtils]: At program point L752(line 752) the Hoare annotation is: true [2021-02-23 23:05:52,903 INFO L192 CegarLoopUtils]: At program point __blast_assertEXIT(lines 750 753) the Hoare annotation is: true [2021-02-23 23:05:52,903 INFO L192 CegarLoopUtils]: At program point __blast_assertFINAL(lines 750 753) the Hoare annotation is: true [2021-02-23 23:05:52,903 INFO L192 CegarLoopUtils]: At program point __blast_assertENTRY(lines 750 753) the Hoare annotation is: true [2021-02-23 23:05:52,904 INFO L185 CegarLoopUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: (= 4 ~globalSize~0) [2021-02-23 23:05:52,904 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-23 23:05:52,904 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-23 23:05:52,904 INFO L185 CegarLoopUtils]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: (= 4 ~globalSize~0) [2021-02-23 23:05:52,905 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 756 763) the Hoare annotation is: (= |old(~globalSize~0)| ~globalSize~0) [2021-02-23 23:05:52,905 INFO L185 CegarLoopUtils]: At program point L762(line 762) the Hoare annotation is: (= 4 ~globalSize~0) [2021-02-23 23:05:52,909 INFO L185 CegarLoopUtils]: At program point mainEXIT(lines 756 763) the Hoare annotation is: (= 4 ~globalSize~0) [2021-02-23 23:05:52,909 INFO L185 CegarLoopUtils]: At program point L760(line 760) the Hoare annotation is: (= 4 ~globalSize~0) [2021-02-23 23:05:52,909 INFO L185 CegarLoopUtils]: At program point L759(line 759) the Hoare annotation is: (= |old(~globalSize~0)| ~globalSize~0) [2021-02-23 23:05:52,910 INFO L185 CegarLoopUtils]: At program point L758(line 758) the Hoare annotation is: (= |old(~globalSize~0)| ~globalSize~0) [2021-02-23 23:05:52,910 INFO L185 CegarLoopUtils]: At program point L759-1(line 759) the Hoare annotation is: (= 4 ~globalSize~0) [2021-02-23 23:05:52,910 INFO L185 CegarLoopUtils]: At program point L760-2(line 760) the Hoare annotation is: false [2021-02-23 23:05:52,910 INFO L185 CegarLoopUtils]: At program point L759-2(line 759) the Hoare annotation is: (= 4 ~globalSize~0) [2021-02-23 23:05:52,910 INFO L185 CegarLoopUtils]: At program point L760-3(line 760) the Hoare annotation is: (= 4 ~globalSize~0) [2021-02-23 23:05:52,910 INFO L185 CegarLoopUtils]: At program point L756(lines 756 763) the Hoare annotation is: (= |old(~globalSize~0)| ~globalSize~0) [2021-02-23 23:05:52,910 INFO L185 CegarLoopUtils]: At program point mainFINAL(lines 756 763) the Hoare annotation is: (= 4 ~globalSize~0) [2021-02-23 23:05:52,911 INFO L185 CegarLoopUtils]: At program point getServiceEXIT(lines 764 769) the Hoare annotation is: (= 4 ~globalSize~0) [2021-02-23 23:05:52,911 INFO L185 CegarLoopUtils]: At program point L768(line 768) the Hoare annotation is: (= 4 ~globalSize~0) [2021-02-23 23:05:52,912 INFO L185 CegarLoopUtils]: At program point L767(line 767) the Hoare annotation is: (= 4 ~globalSize~0) [2021-02-23 23:05:52,912 INFO L185 CegarLoopUtils]: At program point L766(line 766) the Hoare annotation is: (= |old(~globalSize~0)| ~globalSize~0) [2021-02-23 23:05:52,912 INFO L185 CegarLoopUtils]: At program point getServiceENTRY(lines 764 769) the Hoare annotation is: (= |old(~globalSize~0)| ~globalSize~0) [2021-02-23 23:05:52,912 INFO L185 CegarLoopUtils]: At program point getServiceFINAL(lines 764 769) the Hoare annotation is: (= 4 ~globalSize~0) [2021-02-23 23:05:52,912 INFO L189 CegarLoopUtils]: For program point __uint32_identityFINAL(lines 177 181) no Hoare annotation was computed. [2021-02-23 23:05:52,912 INFO L189 CegarLoopUtils]: For program point __uint32_identityENTRY(lines 177 181) no Hoare annotation was computed. [2021-02-23 23:05:52,912 INFO L189 CegarLoopUtils]: For program point __uint32_identityEXIT(lines 177 181) no Hoare annotation was computed. [2021-02-23 23:05:52,912 INFO L189 CegarLoopUtils]: For program point L180(line 180) no Hoare annotation was computed. [2021-02-23 23:05:52,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 11:05:52 BoogieIcfgContainer [2021-02-23 23:05:52,931 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 23:05:52,933 INFO L168 Benchmark]: Toolchain (without parser) took 3453.43 ms. Allocated memory was 173.0 MB in the beginning and 216.0 MB in the end (delta: 43.0 MB). Free memory was 147.3 MB in the beginning and 180.5 MB in the end (delta: -33.2 MB). Peak memory consumption was 96.1 MB. Max. memory is 8.0 GB. [2021-02-23 23:05:52,933 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 173.0 MB. Free memory is still 146.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 23:05:52,934 INFO L168 Benchmark]: CACSL2BoogieTranslator took 960.81 ms. Allocated memory is still 173.0 MB. Free memory was 146.2 MB in the beginning and 139.9 MB in the end (delta: 6.3 MB). Peak memory consumption was 31.5 MB. Max. memory is 8.0 GB. [2021-02-23 23:05:52,935 INFO L168 Benchmark]: Boogie Preprocessor took 127.44 ms. Allocated memory is still 173.0 MB. Free memory was 139.9 MB in the beginning and 136.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-02-23 23:05:52,936 INFO L168 Benchmark]: RCFGBuilder took 1005.87 ms. Allocated memory was 173.0 MB in the beginning and 216.0 MB in the end (delta: 43.0 MB). Free memory was 136.7 MB in the beginning and 179.6 MB in the end (delta: -42.9 MB). Peak memory consumption was 47.8 MB. Max. memory is 8.0 GB. [2021-02-23 23:05:52,937 INFO L168 Benchmark]: TraceAbstraction took 1329.77 ms. Allocated memory is still 216.0 MB. Free memory was 179.1 MB in the beginning and 180.5 MB in the end (delta: -1.3 MB). Peak memory consumption was 83.9 MB. Max. memory is 8.0 GB. [2021-02-23 23:05:52,941 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 173.0 MB. Free memory is still 146.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 960.81 ms. Allocated memory is still 173.0 MB. Free memory was 146.2 MB in the beginning and 139.9 MB in the end (delta: 6.3 MB). Peak memory consumption was 31.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 127.44 ms. Allocated memory is still 173.0 MB. Free memory was 139.9 MB in the beginning and 136.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1005.87 ms. Allocated memory was 173.0 MB in the beginning and 216.0 MB in the end (delta: 43.0 MB). Free memory was 136.7 MB in the beginning and 179.6 MB in the end (delta: -42.9 MB). Peak memory consumption was 47.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1329.77 ms. Allocated memory is still 216.0 MB. Free memory was 179.1 MB in the beginning and 180.5 MB in the end (delta: -1.3 MB). Peak memory consumption was 83.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 752]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 750]: Procedure Contract for __blast_assert Derived contract for procedure __blast_assert: 1 - ProcedureContractResult [Line: 756]: Procedure Contract for main Derived contract for procedure main: 4 == globalSize - ProcedureContractResult [Line: 764]: Procedure Contract for getService Derived contract for procedure getService: 4 == globalSize - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 32 SDtfs, 20 SDslu, 29 SDs, 0 SdLazy, 34 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 40 PreInvPairs, 46 NumberOfFragments, 143 HoareAnnotationTreeSize, 40 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 40 FomulaSimplificationsInter, 258 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 2610 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...