java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/forester-heap/sll-circular-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:45:38,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:45:38,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:45:38,720 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:45:38,720 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:45:38,721 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:45:38,723 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:45:38,725 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:45:38,726 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:45:38,727 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:45:38,728 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:45:38,729 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:45:38,730 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:45:38,731 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:45:38,732 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:45:38,733 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:45:38,734 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:45:38,735 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:45:38,737 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:45:38,739 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:45:38,741 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:45:38,742 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:45:38,743 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:45:38,744 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:45:38,746 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:45:38,747 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:45:38,747 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:45:38,750 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:45:38,751 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:45:38,752 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:45:38,752 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:45:38,753 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:45:38,753 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:45:38,754 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:45:38,755 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:45:38,755 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:45:38,756 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:45:38,756 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:45:38,756 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:45:38,757 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:45:38,758 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:45:38,759 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 15:45:38,774 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:45:38,774 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:45:38,775 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:45:38,775 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:45:38,776 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:45:38,776 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:45:38,776 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:45:38,776 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:45:38,776 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:45:38,777 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:45:38,777 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:45:38,777 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:45:38,777 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:45:38,777 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:45:38,778 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:45:38,778 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:45:38,778 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:45:38,778 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:45:38,779 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:45:38,779 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:45:38,779 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:45:38,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:45:38,779 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:45:38,780 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:45:38,780 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:45:38,780 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:45:38,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:45:38,780 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:45:38,781 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-20 15:45:38,811 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:45:38,824 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:45:38,827 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:45:38,828 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:45:38,828 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:45:38,829 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-circular-1.i [2019-09-20 15:45:38,889 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/617d2db67/b4a0b14501c54353b16da354ad5d3269/FLAG115b03496 [2019-09-20 15:45:39,440 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:45:39,440 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-circular-1.i [2019-09-20 15:45:39,461 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/617d2db67/b4a0b14501c54353b16da354ad5d3269/FLAG115b03496 [2019-09-20 15:45:39,730 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/617d2db67/b4a0b14501c54353b16da354ad5d3269 [2019-09-20 15:45:39,738 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:45:39,740 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:45:39,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:45:39,741 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:45:39,743 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:45:39,744 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:45:39" (1/1) ... [2019-09-20 15:45:39,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c8d1e52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:45:39, skipping insertion in model container [2019-09-20 15:45:39,747 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:45:39" (1/1) ... [2019-09-20 15:45:39,754 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:45:39,813 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:45:40,281 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:45:40,290 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:45:40,350 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:45:40,399 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:45:40,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:45:40 WrapperNode [2019-09-20 15:45:40,399 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:45:40,400 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:45:40,400 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:45:40,401 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:45:40,415 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:45:40" (1/1) ... [2019-09-20 15:45:40,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:45:40" (1/1) ... [2019-09-20 15:45:40,436 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:45:40" (1/1) ... [2019-09-20 15:45:40,436 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:45:40" (1/1) ... [2019-09-20 15:45:40,454 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:45:40" (1/1) ... [2019-09-20 15:45:40,468 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:45:40" (1/1) ... [2019-09-20 15:45:40,471 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:45:40" (1/1) ... [2019-09-20 15:45:40,478 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:45:40,478 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:45:40,479 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:45:40,479 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:45:40,480 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:45:40" (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 [2019-09-20 15:45:40,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:45:40,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:45:40,545 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:45:40,545 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 15:45:40,545 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 15:45:40,545 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 15:45:40,545 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 15:45:40,546 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 15:45:40,546 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 15:45:40,546 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 15:45:40,546 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 15:45:40,546 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 15:45:40,547 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 15:45:40,547 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 15:45:40,547 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 15:45:40,547 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 15:45:40,547 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 15:45:40,547 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 15:45:40,548 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 15:45:40,548 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 15:45:40,548 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 15:45:40,548 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 15:45:40,548 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 15:45:40,548 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 15:45:40,549 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 15:45:40,549 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 15:45:40,549 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 15:45:40,549 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 15:45:40,549 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 15:45:40,550 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 15:45:40,550 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 15:45:40,550 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 15:45:40,550 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 15:45:40,550 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 15:45:40,550 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 15:45:40,551 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 15:45:40,551 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 15:45:40,551 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 15:45:40,551 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 15:45:40,551 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 15:45:40,551 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 15:45:40,552 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 15:45:40,552 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 15:45:40,552 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 15:45:40,552 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 15:45:40,552 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 15:45:40,553 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 15:45:40,553 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 15:45:40,553 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 15:45:40,553 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 15:45:40,553 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 15:45:40,553 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 15:45:40,554 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 15:45:40,554 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:45:40,554 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 15:45:40,554 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 15:45:40,554 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:45:40,554 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 15:45:40,555 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 15:45:40,555 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 15:45:40,555 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 15:45:40,555 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 15:45:40,555 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 15:45:40,555 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 15:45:40,556 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 15:45:40,556 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 15:45:40,556 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 15:45:40,556 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 15:45:40,556 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 15:45:40,556 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 15:45:40,557 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 15:45:40,557 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 15:45:40,557 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 15:45:40,557 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 15:45:40,557 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 15:45:40,557 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 15:45:40,558 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 15:45:40,558 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 15:45:40,558 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 15:45:40,558 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 15:45:40,558 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 15:45:40,558 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 15:45:40,558 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 15:45:40,559 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 15:45:40,559 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 15:45:40,559 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 15:45:40,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 15:45:40,559 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 15:45:40,559 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 15:45:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 15:45:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 15:45:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 15:45:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 15:45:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 15:45:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 15:45:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 15:45:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 15:45:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 15:45:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 15:45:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 15:45:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 15:45:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 15:45:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 15:45:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 15:45:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 15:45:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 15:45:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:45:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:45:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:45:40,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:45:40,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:45:40,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:45:40,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:45:40,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:45:40,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:45:40,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:45:40,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:45:41,104 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:45:41,104 INFO L283 CfgBuilder]: Removed 9 assume(true) statements. [2019-09-20 15:45:41,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:45:41 BoogieIcfgContainer [2019-09-20 15:45:41,105 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:45:41,106 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:45:41,106 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:45:41,106 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:45:41,107 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:45:41" (1/1) ... [2019-09-20 15:45:41,108 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:45:41,134 INFO L162 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-09-20 15:45:41,135 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:45:41,144 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:45:41,157 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:45:41,158 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:45:41,304 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 15:45:50,723 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:45:50,724 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:45:50,726 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 838#(and (= 0 main_~x~0.base) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) main_~state~0) (= main_~x~0.offset 0)) [2019-09-20 15:45:50,726 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 741#(and (exists ((v_main_~x~0.base_44 Int) (v_main_~x~0.offset_42 Int)) (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~state~0 (select (select |#memory_int| v_main_~x~0.base_44) (+ v_main_~x~0.offset_42 4))) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base))) (= 0 main_~x~0.base) (= main_~x~0.offset 0)) [2019-09-20 15:45:50,726 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 610#true [2019-09-20 15:45:50,744 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:45:50,744 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:45:50,746 INFO L168 Benchmark]: Toolchain (without parser) took 11006.43 ms. Allocated memory was 133.7 MB in the beginning and 327.7 MB in the end (delta: 194.0 MB). Free memory was 83.2 MB in the beginning and 76.2 MB in the end (delta: 7.0 MB). Peak memory consumption was 201.0 MB. Max. memory is 7.1 GB. [2019-09-20 15:45:50,747 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 133.7 MB. Free memory was 102.9 MB in the beginning and 102.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:45:50,748 INFO L168 Benchmark]: CACSL2BoogieTranslator took 659.35 ms. Allocated memory was 133.7 MB in the beginning and 198.7 MB in the end (delta: 65.0 MB). Free memory was 83.0 MB in the beginning and 164.3 MB in the end (delta: -81.3 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. [2019-09-20 15:45:50,748 INFO L168 Benchmark]: Boogie Preprocessor took 77.78 ms. Allocated memory is still 198.7 MB. Free memory was 164.3 MB in the beginning and 161.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-09-20 15:45:50,767 INFO L168 Benchmark]: RCFGBuilder took 627.02 ms. Allocated memory is still 198.7 MB. Free memory was 161.2 MB in the beginning and 115.0 MB in the end (delta: 46.2 MB). Peak memory consumption was 46.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:45:50,768 INFO L168 Benchmark]: Sifa took 9638.65 ms. Allocated memory was 198.7 MB in the beginning and 327.7 MB in the end (delta: 129.0 MB). Free memory was 114.3 MB in the beginning and 76.2 MB in the end (delta: 38.1 MB). Peak memory consumption was 167.1 MB. Max. memory is 7.1 GB. [2019-09-20 15:45:50,778 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 133.7 MB. Free memory was 102.9 MB in the beginning and 102.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 659.35 ms. Allocated memory was 133.7 MB in the beginning and 198.7 MB in the end (delta: 65.0 MB). Free memory was 83.0 MB in the beginning and 164.3 MB in the end (delta: -81.3 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 77.78 ms. Allocated memory is still 198.7 MB. Free memory was 164.3 MB in the beginning and 161.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 627.02 ms. Allocated memory is still 198.7 MB. Free memory was 161.2 MB in the beginning and 115.0 MB in the end (delta: 46.2 MB). Peak memory consumption was 46.2 MB. Max. memory is 7.1 GB. * Sifa took 9638.65 ms. Allocated memory was 198.7 MB in the beginning and 327.7 MB in the end (delta: 129.0 MB). Free memory was 114.3 MB in the beginning and 76.2 MB in the end (delta: 38.1 MB). Peak memory consumption was 167.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 9593, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 447, DAG_INTERPRETER_EARLY_EXITS: 8, TOOLS_POST_APPLICATIONS: 378, TOOLS_POST_TIME[ms]: 6056, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 17, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_APPLICATIONS: 381, TOOLS_QUANTIFIERELIM_TIME[ms]: 5966, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 445, FLUID_QUERY_TIME[ms]: 15, FLUID_QUERIES: 486, FLUID_YES_ANSWERS: 12, DOMAIN_JOIN_APPLICATIONS: 174, DOMAIN_JOIN_TIME[ms]: 222, DOMAIN_ALPHA_APPLICATIONS: 12, DOMAIN_ALPHA_TIME[ms]: 7, DOMAIN_WIDEN_APPLICATIONS: 7, DOMAIN_WIDEN_TIME[ms]: 5, DOMAIN_ISSUBSETEQ_APPLICATIONS: 39, DOMAIN_ISSUBSETEQ_TIME[ms]: 50, DOMAIN_ISBOTTOM_APPLICATIONS: 92, DOMAIN_ISBOTTOM_TIME[ms]: 3042, LOOP_SUMMARIZER_APPLICATIONS: 32, LOOP_SUMMARIZER_CACHE_MISSES: 32, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 7354, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 7353, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 39, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 97, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 96, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 69, DAG_COMPRESSION_PROCESSED_NODES: 899, DAG_COMPRESSION_RETAINED_NODES: 388 - UnprovableResult [Line: 1012]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 838#(and (= 0 main_~x~0.base) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) main_~state~0) (= main_~x~0.offset 0)). Possible FailurePath: - UnprovableResult [Line: 1017]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 741#(and (exists ((v_main_~x~0.base_44 Int) (v_main_~x~0.offset_42 Int)) (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~state~0 (select (select |#memory_int| v_main_~x~0.base_44) (+ v_main_~x~0.offset_42 4))) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base))) (= 0 main_~x~0.base) (= main_~x~0.offset 0)). Possible FailurePath: - UnprovableResult [Line: 1021]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 610#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...