/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-races/race-1_3-join.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-18 15:17:51,423 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-18 15:17:51,425 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-18 15:17:51,442 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-18 15:17:51,443 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-18 15:17:51,444 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-18 15:17:51,446 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-18 15:17:51,455 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-18 15:17:51,459 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-18 15:17:51,462 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-18 15:17:51,463 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-18 15:17:51,465 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-18 15:17:51,465 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-18 15:17:51,467 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-18 15:17:51,469 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-18 15:17:51,471 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-18 15:17:51,472 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-18 15:17:51,473 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-18 15:17:51,474 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-18 15:17:51,479 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-18 15:17:51,481 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-18 15:17:51,487 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-18 15:17:51,488 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-18 15:17:51,489 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-18 15:17:51,490 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-18 15:17:51,493 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-18 15:17:51,494 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-18 15:17:51,494 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-18 15:17:51,495 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-18 15:17:51,496 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-18 15:17:51,496 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-18 15:17:51,496 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-18 15:17:51,498 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-18 15:17:51,498 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-18 15:17:51,499 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-18 15:17:51,500 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-18 15:17:51,501 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 [2019-12-18 15:17:51,535 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-18 15:17:51,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-18 15:17:51,537 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-18 15:17:51,537 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-18 15:17:51,537 INFO L138 SettingsManager]: * Use SBE=true [2019-12-18 15:17:51,538 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-18 15:17:51,538 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-18 15:17:51,538 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-18 15:17:51,538 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-18 15:17:51,538 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-18 15:17:51,538 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-18 15:17:51,539 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-18 15:17:51,539 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-18 15:17:51,539 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-18 15:17:51,539 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-18 15:17:51,539 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-18 15:17:51,540 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-18 15:17:51,540 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-18 15:17:51,540 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-18 15:17:51,540 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-18 15:17:51,540 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-18 15:17:51,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-18 15:17:51,541 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-18 15:17:51,541 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-18 15:17:51,541 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-18 15:17:51,541 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-18 15:17:51,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-18 15:17:51,542 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-18 15:17:51,542 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-18 15:17:51,542 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-18 15:17:51,794 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-18 15:17:51,808 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-18 15:17:51,813 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-18 15:17:51,815 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-18 15:17:51,815 INFO L275 PluginConnector]: CDTParser initialized [2019-12-18 15:17:51,816 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_3-join.i [2019-12-18 15:17:51,890 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c691bc65/be9a47ff04084ba4bfc82ce326518bfb/FLAG5e5dfc87b [2019-12-18 15:17:52,507 INFO L306 CDTParser]: Found 1 translation units. [2019-12-18 15:17:52,508 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_3-join.i [2019-12-18 15:17:52,537 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c691bc65/be9a47ff04084ba4bfc82ce326518bfb/FLAG5e5dfc87b [2019-12-18 15:17:52,708 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c691bc65/be9a47ff04084ba4bfc82ce326518bfb [2019-12-18 15:17:52,718 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-18 15:17:52,720 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-18 15:17:52,721 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-18 15:17:52,721 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-18 15:17:52,724 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-18 15:17:52,725 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 03:17:52" (1/1) ... [2019-12-18 15:17:52,728 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13b7e2d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:17:52, skipping insertion in model container [2019-12-18 15:17:52,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 03:17:52" (1/1) ... [2019-12-18 15:17:52,735 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-18 15:17:52,786 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-18 15:17:53,568 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 15:17:53,581 INFO L203 MainTranslator]: Completed pre-run [2019-12-18 15:17:53,649 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 15:17:54,029 INFO L208 MainTranslator]: Completed translation [2019-12-18 15:17:54,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:17:54 WrapperNode [2019-12-18 15:17:54,030 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-18 15:17:54,031 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-18 15:17:54,031 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-18 15:17:54,031 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-18 15:17:54,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:17:54" (1/1) ... [2019-12-18 15:17:54,094 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:17:54" (1/1) ... [2019-12-18 15:17:54,121 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-18 15:17:54,121 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-18 15:17:54,122 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-18 15:17:54,122 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-18 15:17:54,131 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:17:54" (1/1) ... [2019-12-18 15:17:54,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:17:54" (1/1) ... [2019-12-18 15:17:54,135 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:17:54" (1/1) ... [2019-12-18 15:17:54,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:17:54" (1/1) ... [2019-12-18 15:17:54,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:17:54" (1/1) ... [2019-12-18 15:17:54,152 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:17:54" (1/1) ... [2019-12-18 15:17:54,157 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:17:54" (1/1) ... [2019-12-18 15:17:54,164 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-18 15:17:54,165 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-18 15:17:54,165 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-18 15:17:54,165 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-18 15:17:54,167 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:17:54" (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 [2019-12-18 15:17:54,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-18 15:17:54,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-18 15:17:54,222 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-12-18 15:17:54,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-18 15:17:54,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-18 15:17:54,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-18 15:17:54,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-18 15:17:54,223 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2019-12-18 15:17:54,223 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2019-12-18 15:17:54,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-18 15:17:54,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-18 15:17:54,225 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-18 15:17:54,867 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-18 15:17:54,868 INFO L287 CfgBuilder]: Removed 16 assume(true) statements. [2019-12-18 15:17:54,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 03:17:54 BoogieIcfgContainer [2019-12-18 15:17:54,869 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-18 15:17:54,871 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-18 15:17:54,871 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-18 15:17:54,874 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-18 15:17:54,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 03:17:52" (1/3) ... [2019-12-18 15:17:54,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dc0ba93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 03:17:54, skipping insertion in model container [2019-12-18 15:17:54,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:17:54" (2/3) ... [2019-12-18 15:17:54,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dc0ba93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 03:17:54, skipping insertion in model container [2019-12-18 15:17:54,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 03:17:54" (3/3) ... [2019-12-18 15:17:54,877 INFO L109 eAbstractionObserver]: Analyzing ICFG race-1_3-join.i [2019-12-18 15:17:54,887 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-18 15:17:54,888 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-18 15:17:54,895 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-12-18 15:17:54,896 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-18 15:17:54,921 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:17:54,921 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:17:54,921 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:17:54,921 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:17:54,922 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:17:54,922 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:17:54,922 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:17:54,923 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:17:54,926 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:17:54,927 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:17:54,927 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:17:54,927 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:17:54,927 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:17:54,949 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-18 15:17:54,967 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 15:17:54,968 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 15:17:54,968 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 15:17:54,968 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 15:17:54,968 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 15:17:54,968 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 15:17:54,968 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 15:17:54,968 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 15:17:54,981 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 85 transitions [2019-12-18 15:17:54,983 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 83 places, 85 transitions [2019-12-18 15:17:55,027 INFO L126 PetriNetUnfolder]: 6/104 cut-off events. [2019-12-18 15:17:55,027 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 15:17:55,033 INFO L76 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 104 events. 6/104 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 160 event pairs. 7/98 useless extension candidates. Maximal degree in co-relation 60. Up to 4 conditions per place. [2019-12-18 15:17:55,037 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 83 places, 85 transitions [2019-12-18 15:17:55,059 INFO L126 PetriNetUnfolder]: 6/104 cut-off events. [2019-12-18 15:17:55,059 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 15:17:55,061 INFO L76 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 104 events. 6/104 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 160 event pairs. 7/98 useless extension candidates. Maximal degree in co-relation 60. Up to 4 conditions per place. [2019-12-18 15:17:55,063 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 308 [2019-12-18 15:17:55,066 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-18 15:17:57,146 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2019-12-18 15:17:58,370 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-12-18 15:17:58,488 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-12-18 15:17:58,899 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-12-18 15:17:59,045 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-12-18 15:17:59,296 WARN L192 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2019-12-18 15:17:59,401 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-12-18 15:17:59,406 INFO L206 etLargeBlockEncoding]: Checked pairs total: 242 [2019-12-18 15:17:59,406 INFO L214 etLargeBlockEncoding]: Total number of compositions: 98 [2019-12-18 15:17:59,410 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 17 places, 16 transitions [2019-12-18 15:17:59,418 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 26 states. [2019-12-18 15:17:59,420 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2019-12-18 15:17:59,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2019-12-18 15:17:59,426 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 15:17:59,427 INFO L411 BasicCegarLoop]: trace histogram [1] [2019-12-18 15:17:59,428 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 15:17:59,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 15:17:59,434 INFO L82 PathProgramCache]: Analyzing trace with hash 344, now seen corresponding path program 1 times [2019-12-18 15:17:59,442 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 15:17:59,443 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946472066] [2019-12-18 15:17:59,443 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 15:17:59,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 15:17:59,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 15:17:59,664 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946472066] [2019-12-18 15:17:59,666 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 15:17:59,666 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2019-12-18 15:17:59,667 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110142054] [2019-12-18 15:17:59,671 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-18 15:17:59,671 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 15:17:59,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-18 15:17:59,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-18 15:17:59,684 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 2 states. [2019-12-18 15:17:59,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 15:17:59,694 INFO L93 Difference]: Finished difference Result 23 states and 29 transitions. [2019-12-18 15:17:59,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-18 15:17:59,696 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2019-12-18 15:17:59,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 15:17:59,704 INFO L225 Difference]: With dead ends: 23 [2019-12-18 15:17:59,704 INFO L226 Difference]: Without dead ends: 13 [2019-12-18 15:17:59,705 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-18 15:17:59,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-12-18 15:17:59,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-12-18 15:17:59,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-12-18 15:17:59,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2019-12-18 15:17:59,738 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 1 [2019-12-18 15:17:59,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 15:17:59,738 INFO L462 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2019-12-18 15:17:59,738 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-18 15:17:59,738 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2019-12-18 15:17:59,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-18 15:17:59,739 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 15:17:59,739 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-12-18 15:17:59,740 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 15:17:59,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 15:17:59,740 INFO L82 PathProgramCache]: Analyzing trace with hash 340816, now seen corresponding path program 1 times [2019-12-18 15:17:59,740 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 15:17:59,741 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810507359] [2019-12-18 15:17:59,741 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 15:17:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 15:17:59,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 15:17:59,913 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810507359] [2019-12-18 15:17:59,913 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 15:17:59,914 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 15:17:59,914 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893173303] [2019-12-18 15:17:59,915 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 15:17:59,915 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 15:17:59,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 15:17:59,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 15:17:59,916 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. Second operand 3 states. [2019-12-18 15:17:59,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 15:17:59,936 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2019-12-18 15:17:59,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 15:17:59,938 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-12-18 15:17:59,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 15:17:59,939 INFO L225 Difference]: With dead ends: 11 [2019-12-18 15:17:59,939 INFO L226 Difference]: Without dead ends: 10 [2019-12-18 15:17:59,940 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 15:17:59,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-12-18 15:17:59,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-12-18 15:17:59,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-12-18 15:17:59,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2019-12-18 15:17:59,944 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 12 transitions. Word has length 3 [2019-12-18 15:17:59,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 15:17:59,945 INFO L462 AbstractCegarLoop]: Abstraction has 10 states and 12 transitions. [2019-12-18 15:17:59,945 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 15:17:59,945 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2019-12-18 15:17:59,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-18 15:17:59,945 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 15:17:59,946 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-12-18 15:17:59,946 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 15:17:59,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 15:17:59,946 INFO L82 PathProgramCache]: Analyzing trace with hash 323339643, now seen corresponding path program 1 times [2019-12-18 15:17:59,947 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 15:17:59,948 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528475091] [2019-12-18 15:17:59,948 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 15:17:59,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 15:18:00,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 15:18:00,057 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528475091] [2019-12-18 15:18:00,057 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 15:18:00,057 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 15:18:00,057 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802086118] [2019-12-18 15:18:00,058 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 15:18:00,058 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 15:18:00,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 15:18:00,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 15:18:00,059 INFO L87 Difference]: Start difference. First operand 10 states and 12 transitions. Second operand 3 states. [2019-12-18 15:18:00,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 15:18:00,078 INFO L93 Difference]: Finished difference Result 10 states and 10 transitions. [2019-12-18 15:18:00,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 15:18:00,079 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-12-18 15:18:00,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 15:18:00,079 INFO L225 Difference]: With dead ends: 10 [2019-12-18 15:18:00,080 INFO L226 Difference]: Without dead ends: 7 [2019-12-18 15:18:00,080 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 15:18:00,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2019-12-18 15:18:00,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2019-12-18 15:18:00,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-12-18 15:18:00,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2019-12-18 15:18:00,084 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 5 [2019-12-18 15:18:00,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 15:18:00,084 INFO L462 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2019-12-18 15:18:00,084 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 15:18:00,084 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2019-12-18 15:18:00,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-18 15:18:00,085 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 15:18:00,085 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-18 15:18:00,085 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 15:18:00,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 15:18:00,086 INFO L82 PathProgramCache]: Analyzing trace with hash 1433594498, now seen corresponding path program 1 times [2019-12-18 15:18:00,086 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 15:18:00,086 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777759882] [2019-12-18 15:18:00,086 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 15:18:00,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 15:18:00,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 15:18:00,205 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-18 15:18:00,206 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-18 15:18:00,211 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [312] [312] ULTIMATE.startENTRY-->L1697-1: Formula: (let ((.cse1 (store |v_#valid_58| 0 0))) (let ((.cse2 (store .cse1 |v_~#t1~0.base_19| 1)) (.cse3 (select |v_#memory_int_44| |v_~#mutex~0.base_44|)) (.cse0 (select |v_#memory_int_44| |v_~#t1~0.base_19|))) (and (= (store |v_#memory_$Pointer$.base_19| |v_~#t1~0.base_19| (store (select |v_#memory_$Pointer$.base_19| |v_~#t1~0.base_19|) |v_~#t1~0.offset_19| (select (select |v_#memory_$Pointer$.base_18| |v_~#t1~0.base_19|) |v_~#t1~0.offset_19|))) |v_#memory_$Pointer$.base_18|) (= 0 (select .cse0 |v_~#t1~0.offset_19|)) (= 0 (select .cse1 |v_~#t1~0.base_19|)) (= |v_#valid_57| (store .cse2 |v_~#mutex~0.base_44| 1)) (= (select .cse3 (+ |v_~#mutex~0.offset_44| 4)) 0) (= |v_~#t1~0.offset_19| 0) (= 0 |v_#NULL.base_9|) (= (select .cse3 (+ |v_~#mutex~0.offset_44| 8)) 0) (< |v_#StackHeapBarrier_21| |v_~#t1~0.base_19|) (< |v_#StackHeapBarrier_21| |v_~#mutex~0.base_44|) (= |v_#memory_$Pointer$.offset_18| (store |v_#memory_$Pointer$.offset_19| |v_~#t1~0.base_19| (store (select |v_#memory_$Pointer$.offset_19| |v_~#t1~0.base_19|) |v_~#t1~0.offset_19| (select (select |v_#memory_$Pointer$.offset_18| |v_~#t1~0.base_19|) |v_~#t1~0.offset_19|)))) (< 0 |v_#StackHeapBarrier_21|) (= (select .cse2 |v_~#mutex~0.base_44|) 0) (= 0 (select .cse3 (+ |v_~#mutex~0.offset_44| 16))) (= 0 (select .cse3 (+ |v_~#mutex~0.offset_44| 12))) (= (store (store |v_#length_37| |v_~#t1~0.base_19| 4) |v_~#mutex~0.base_44| 24) |v_#length_36|) (= (select .cse3 |v_~#mutex~0.offset_44|) 0) (= |v_#NULL.offset_9| 0) (= v_ULTIMATE.start_ldv_assert_~expression_83 |v_ULTIMATE.start_ldv_assert_#in~expression_62|) (= 1 |v_ULTIMATE.start_ldv_assert_#in~expression_62|) (= 0 |v_~#mutex~0.offset_44|) (= (store |v_#memory_int_44| |v_~#t1~0.base_19| (store .cse0 |v_~#t1~0.offset_19| 0)) |v_#memory_int_43|) (= (store |v_#pthreadsMutex_59| |v_~#mutex~0.base_44| (store (select |v_#pthreadsMutex_59| |v_~#mutex~0.base_44|) |v_~#mutex~0.offset_44| 0)) |v_#pthreadsMutex_58|) (= 1 v_~pdev~0_84)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_59|, #StackHeapBarrier=|v_#StackHeapBarrier_21|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_19|, #valid=|v_#valid_58|, #memory_int=|v_#memory_int_44|, #length=|v_#length_37|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_19|} OutVars{ULTIMATE.start_module_init_#res=|v_ULTIMATE.start_module_init_#res_24|, #pthreadsMutex=|v_#pthreadsMutex_58|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_18|, ~#mutex~0.base=|v_~#mutex~0.base_44|, ~#mutex~0.offset=|v_~#mutex~0.offset_44|, #NULL.offset=|v_#NULL.offset_9|, ~#t1~0.offset=|v_~#t1~0.offset_19|, ULTIMATE.start_module_init_#t~nondet31=|v_ULTIMATE.start_module_init_#t~nondet31_36|, ULTIMATE.start_module_init_#t~nondet32=|v_ULTIMATE.start_module_init_#t~nondet32_17|, ULTIMATE.start_ldv_assert_#in~expression=|v_ULTIMATE.start_ldv_assert_#in~expression_62|, ULTIMATE.start_ldv_assert_~expression=v_ULTIMATE.start_ldv_assert_~expression_83, #NULL.base=|v_#NULL.base_9|, #StackHeapBarrier=|v_#StackHeapBarrier_21|, ~#t1~0.base=|v_~#t1~0.base_19|, ULTIMATE.start_main_#t~ret35=|v_ULTIMATE.start_main_#t~ret35_40|, ~pdev~0=v_~pdev~0_84, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_19|, #valid=|v_#valid_57|, #memory_int=|v_#memory_int_43|, #length=|v_#length_36|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_18|} AuxVars[] AssignedVars[ULTIMATE.start_module_init_#res, #pthreadsMutex, #memory_$Pointer$.base, ~#mutex~0.base, ~#mutex~0.offset, #NULL.offset, ~#t1~0.offset, ULTIMATE.start_module_init_#t~nondet31, ULTIMATE.start_module_init_#t~nondet32, ULTIMATE.start_ldv_assert_#in~expression, ULTIMATE.start_ldv_assert_~expression, #NULL.base, ~#t1~0.base, ULTIMATE.start_main_#t~ret35, ~pdev~0, ULTIMATE.start_main_#res, #valid, #memory_int, #length, #memory_$Pointer$.offset] because there is no mapped edge [2019-12-18 15:18:00,213 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [288] [288] L1697-2-->L1715-3: Formula: (and (= |v_ULTIMATE.start_module_init_#res_13| 0) (= |v_ULTIMATE.start_main_#t~ret35_21| |v_ULTIMATE.start_module_init_#res_13|)) InVars {} OutVars{ULTIMATE.start_module_init_#res=|v_ULTIMATE.start_module_init_#res_13|, ULTIMATE.start_main_#t~ret35=|v_ULTIMATE.start_main_#t~ret35_21|, ULTIMATE.start_module_init_#t~nondet32=|v_ULTIMATE.start_module_init_#t~nondet32_10|} AuxVars[] AssignedVars[ULTIMATE.start_module_init_#res, ULTIMATE.start_main_#t~ret35, ULTIMATE.start_module_init_#t~nondet32] because there is no mapped edge [2019-12-18 15:18:00,213 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [290] [290] L1715-3-->L1708: Formula: (and (= 0 |v_ULTIMATE.start_module_exit_~#status~0.offset_14|) (not (= 0 |v_ULTIMATE.start_module_exit_~#status~0.base_18|)) (= 0 (select |v_#valid_36| |v_ULTIMATE.start_module_exit_~#status~0.base_18|)) (= (store |v_#valid_36| |v_ULTIMATE.start_module_exit_~#status~0.base_18| 1) |v_#valid_35|) (= |v_#length_18| (store |v_#length_19| |v_ULTIMATE.start_module_exit_~#status~0.base_18| 4)) (= 4 v_~pdev~0_54) (< |v_#StackHeapBarrier_12| |v_ULTIMATE.start_module_exit_~#status~0.base_18|) (= |v_ULTIMATE.start_main_#t~ret35_24| 0)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_12|, ULTIMATE.start_main_#t~ret35=|v_ULTIMATE.start_main_#t~ret35_24|, #valid=|v_#valid_36|, #length=|v_#length_19|} OutVars{ULTIMATE.start_module_exit_~#status~0.base=|v_ULTIMATE.start_module_exit_~#status~0.base_18|, ULTIMATE.start_module_exit_#t~mem33=|v_ULTIMATE.start_module_exit_#t~mem33_12|, ULTIMATE.start_module_exit_#t~nondet34.base=|v_ULTIMATE.start_module_exit_#t~nondet34.base_11|, #StackHeapBarrier=|v_#StackHeapBarrier_12|, ULTIMATE.start_main_#t~ret35=|v_ULTIMATE.start_main_#t~ret35_23|, ~pdev~0=v_~pdev~0_54, ULTIMATE.start_module_exit_#t~nondet34.offset=|v_ULTIMATE.start_module_exit_#t~nondet34.offset_11|, #valid=|v_#valid_35|, ULTIMATE.start_module_exit_~#status~0.offset=|v_ULTIMATE.start_module_exit_~#status~0.offset_14|, #length=|v_#length_18|} AuxVars[] AssignedVars[ULTIMATE.start_module_exit_~#status~0.base, ULTIMATE.start_module_exit_#t~mem33, ULTIMATE.start_module_exit_#t~nondet34.base, ULTIMATE.start_main_#t~ret35, ~pdev~0, ULTIMATE.start_module_exit_#t~nondet34.offset, #valid, ULTIMATE.start_module_exit_~#status~0.offset, #length] because there is no mapped edge [2019-12-18 15:18:00,215 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [277] [277] thread1ENTRY-->thread1EXIT: Formula: (let ((.cse0 (select |v_#pthreadsMutex_23| |v_~#mutex~0.base_22|))) (and (= |v_thread1Thread1of1ForFork0_#in~arg.offset_8| v_thread1Thread1of1ForFork0_~arg.offset_8) (= |v_#pthreadsMutex_21| (store |v_#pthreadsMutex_23| |v_~#mutex~0.base_22| (store .cse0 |v_~#mutex~0.offset_22| 0))) (= |v_thread1Thread1of1ForFork0_#res.offset_8| 0) (= |v_thread1Thread1of1ForFork0_#res.base_8| 0) (= 6 v_~pdev~0_39) (= 0 (select .cse0 |v_~#mutex~0.offset_22|)) (= |v_thread1Thread1of1ForFork0_#in~arg.base_8| v_thread1Thread1of1ForFork0_~arg.base_8))) InVars {#pthreadsMutex=|v_#pthreadsMutex_23|, thread1Thread1of1ForFork0_#in~arg.base=|v_thread1Thread1of1ForFork0_#in~arg.base_8|, ~#mutex~0.base=|v_~#mutex~0.base_22|, ~#mutex~0.offset=|v_~#mutex~0.offset_22|, thread1Thread1of1ForFork0_#in~arg.offset=|v_thread1Thread1of1ForFork0_#in~arg.offset_8|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_21|, thread1Thread1of1ForFork0_#in~arg.base=|v_thread1Thread1of1ForFork0_#in~arg.base_8|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_8|, ~#mutex~0.base=|v_~#mutex~0.base_22|, ~pdev~0=v_~pdev~0_39, thread1Thread1of1ForFork0_~arg.offset=v_thread1Thread1of1ForFork0_~arg.offset_8, thread1Thread1of1ForFork0_~arg.base=v_thread1Thread1of1ForFork0_~arg.base_8, ~#mutex~0.offset=|v_~#mutex~0.offset_22|, thread1Thread1of1ForFork0_#t~nondet30=|v_thread1Thread1of1ForFork0_#t~nondet30_13|, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_8|, thread1Thread1of1ForFork0_#in~arg.offset=|v_thread1Thread1of1ForFork0_#in~arg.offset_8|} AuxVars[] AssignedVars[#pthreadsMutex, thread1Thread1of1ForFork0_#res.base, ~pdev~0, thread1Thread1of1ForFork0_~arg.offset, thread1Thread1of1ForFork0_~arg.base, thread1Thread1of1ForFork0_#t~nondet30, thread1Thread1of1ForFork0_#res.offset] because there is no mapped edge [2019-12-18 15:18:00,215 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [281] [281] L1708-->ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= v_ULTIMATE.start_ldv_assert_~expression_55 |v_ULTIMATE.start_ldv_assert_#in~expression_35|) (not (= 4 v_~pdev~0_44)) (= v_ULTIMATE.start_ldv_assert_~expression_55 0)) InVars {~pdev~0=v_~pdev~0_44} OutVars{~pdev~0=v_~pdev~0_44, ULTIMATE.start_ldv_assert_#in~expression=|v_ULTIMATE.start_ldv_assert_#in~expression_35|, ULTIMATE.start_ldv_assert_~expression=v_ULTIMATE.start_ldv_assert_~expression_55} AuxVars[] AssignedVars[ULTIMATE.start_ldv_assert_#in~expression, ULTIMATE.start_ldv_assert_~expression] because there is no mapped edge [2019-12-18 15:18:00,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 03:18:00 BasicIcfg [2019-12-18 15:18:00,232 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-18 15:18:00,235 INFO L168 Benchmark]: Toolchain (without parser) took 7514.19 ms. Allocated memory was 138.9 MB in the beginning and 274.7 MB in the end (delta: 135.8 MB). Free memory was 100.4 MB in the beginning and 126.1 MB in the end (delta: -25.8 MB). Peak memory consumption was 110.0 MB. Max. memory is 7.1 GB. [2019-12-18 15:18:00,236 INFO L168 Benchmark]: CDTParser took 1.47 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-12-18 15:18:00,237 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1309.98 ms. Allocated memory was 138.9 MB in the beginning and 236.5 MB in the end (delta: 97.5 MB). Free memory was 99.9 MB in the beginning and 172.9 MB in the end (delta: -73.0 MB). Peak memory consumption was 78.2 MB. Max. memory is 7.1 GB. [2019-12-18 15:18:00,239 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.28 ms. Allocated memory is still 236.5 MB. Free memory was 172.9 MB in the beginning and 168.6 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-12-18 15:18:00,239 INFO L168 Benchmark]: Boogie Preprocessor took 43.26 ms. Allocated memory is still 236.5 MB. Free memory was 168.6 MB in the beginning and 167.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. [2019-12-18 15:18:00,240 INFO L168 Benchmark]: RCFGBuilder took 704.69 ms. Allocated memory is still 236.5 MB. Free memory was 167.1 MB in the beginning and 128.6 MB in the end (delta: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 7.1 GB. [2019-12-18 15:18:00,241 INFO L168 Benchmark]: TraceAbstraction took 5361.08 ms. Allocated memory was 236.5 MB in the beginning and 274.7 MB in the end (delta: 38.3 MB). Free memory was 128.6 MB in the beginning and 126.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 40.8 MB. Max. memory is 7.1 GB. [2019-12-18 15:18:00,245 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.47 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1309.98 ms. Allocated memory was 138.9 MB in the beginning and 236.5 MB in the end (delta: 97.5 MB). Free memory was 99.9 MB in the beginning and 172.9 MB in the end (delta: -73.0 MB). Peak memory consumption was 78.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 90.28 ms. Allocated memory is still 236.5 MB. Free memory was 172.9 MB in the beginning and 168.6 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.26 ms. Allocated memory is still 236.5 MB. Free memory was 168.6 MB in the beginning and 167.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 704.69 ms. Allocated memory is still 236.5 MB. Free memory was 167.1 MB in the beginning and 128.6 MB in the end (delta: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5361.08 ms. Allocated memory was 236.5 MB in the beginning and 274.7 MB in the end (delta: 38.3 MB). Free memory was 128.6 MB in the beginning and 126.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 40.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 4.4s, 83 ProgramPointsBefore, 17 ProgramPointsAfterwards, 85 TransitionsBefore, 16 TransitionsAfterwards, 308 CoEnabledTransitionPairs, 8 FixpointIterations, 64 TrivialSequentialCompositions, 23 ConcurrentSequentialCompositions, 5 TrivialYvCompositions, 6 ConcurrentYvCompositions, 4 ChoiceCompositions, 155 VarBasedMoverChecksPositive, 7 VarBasedMoverChecksNegative, 2 SemBasedMoverChecksPositive, 6 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 242 CheckedPairsTotal, 98 TotalNumberOfCompositions - CounterExampleResult [Line: 1682]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1697] FCALL, FORK 0 pthread_create(&t1, ((void *)0), thread1, ((void *)0)) VAL [arg={0:0}, mutex={3:0}, pdev=1, t1={5:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 80 locations, 4 error locations. Result: UNSAFE, OverallTime: 5.2s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 26 SDtfs, 0 SDslu, 5 SDs, 0 SdLazy, 7 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...