/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/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-MCR.epf -i ../../../trunk/examples/svcomp/ldv-races/race-1_2-join.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-28 05:38:33,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-28 05:38:33,377 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-28 05:38:33,390 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-28 05:38:33,391 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-28 05:38:33,392 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-28 05:38:33,395 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-28 05:38:33,397 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-28 05:38:33,400 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-28 05:38:33,405 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-28 05:38:33,406 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-28 05:38:33,410 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-28 05:38:33,410 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-28 05:38:33,411 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-28 05:38:33,414 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-28 05:38:33,416 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-28 05:38:33,417 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-28 05:38:33,420 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-28 05:38:33,422 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-28 05:38:33,427 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-28 05:38:33,430 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-28 05:38:33,431 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-28 05:38:33,432 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-28 05:38:33,433 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-28 05:38:33,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-28 05:38:33,445 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-28 05:38:33,446 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-28 05:38:33,446 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-28 05:38:33,448 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-28 05:38:33,451 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-28 05:38:33,451 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-28 05:38:33,452 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-28 05:38:33,453 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-28 05:38:33,453 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-28 05:38:33,454 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-28 05:38:33,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-28 05:38:33,457 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-MCR.epf [2019-12-28 05:38:33,490 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-28 05:38:33,490 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-28 05:38:33,495 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-28 05:38:33,495 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-28 05:38:33,495 INFO L138 SettingsManager]: * Use SBE=true [2019-12-28 05:38:33,495 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-28 05:38:33,495 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-28 05:38:33,496 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-28 05:38:33,496 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-28 05:38:33,496 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-28 05:38:33,496 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-28 05:38:33,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-28 05:38:33,496 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-28 05:38:33,499 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-28 05:38:33,499 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-28 05:38:33,499 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-28 05:38:33,499 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-28 05:38:33,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-28 05:38:33,500 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-28 05:38:33,500 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-28 05:38:33,500 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-28 05:38:33,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-28 05:38:33,501 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-28 05:38:33,501 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-28 05:38:33,501 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-28 05:38:33,501 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-28 05:38:33,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-28 05:38:33,502 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-28 05:38:33,502 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-28 05:38:33,503 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-28 05:38:33,503 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-28 05:38:33,503 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-28 05:38:33,778 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-28 05:38:33,800 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-28 05:38:33,804 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-28 05:38:33,805 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-28 05:38:33,807 INFO L275 PluginConnector]: CDTParser initialized [2019-12-28 05:38:33,808 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_2-join.i [2019-12-28 05:38:33,883 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5f6f0b6e/37ccaa66a07d4ed0893cdde727e6209b/FLAG16c7e9537 [2019-12-28 05:38:34,547 INFO L306 CDTParser]: Found 1 translation units. [2019-12-28 05:38:34,549 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_2-join.i [2019-12-28 05:38:34,574 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5f6f0b6e/37ccaa66a07d4ed0893cdde727e6209b/FLAG16c7e9537 [2019-12-28 05:38:34,738 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5f6f0b6e/37ccaa66a07d4ed0893cdde727e6209b [2019-12-28 05:38:34,748 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-28 05:38:34,750 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-28 05:38:34,751 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-28 05:38:34,751 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-28 05:38:34,755 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-28 05:38:34,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:38:34" (1/1) ... [2019-12-28 05:38:34,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f0d6118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:38:34, skipping insertion in model container [2019-12-28 05:38:34,759 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:38:34" (1/1) ... [2019-12-28 05:38:34,765 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-28 05:38:34,819 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-28 05:38:35,634 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 05:38:35,649 INFO L203 MainTranslator]: Completed pre-run [2019-12-28 05:38:35,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 05:38:36,135 INFO L208 MainTranslator]: Completed translation [2019-12-28 05:38:36,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:38:36 WrapperNode [2019-12-28 05:38:36,136 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-28 05:38:36,137 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-28 05:38:36,137 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-28 05:38:36,137 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-28 05:38:36,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:38:36" (1/1) ... [2019-12-28 05:38:36,187 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:38:36" (1/1) ... [2019-12-28 05:38:36,239 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-28 05:38:36,240 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-28 05:38:36,240 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-28 05:38:36,240 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-28 05:38:36,252 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:38:36" (1/1) ... [2019-12-28 05:38:36,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:38:36" (1/1) ... [2019-12-28 05:38:36,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:38:36" (1/1) ... [2019-12-28 05:38:36,267 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:38:36" (1/1) ... [2019-12-28 05:38:36,279 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:38:36" (1/1) ... [2019-12-28 05:38:36,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:38:36" (1/1) ... [2019-12-28 05:38:36,287 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:38:36" (1/1) ... [2019-12-28 05:38:36,294 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-28 05:38:36,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-28 05:38:36,296 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-28 05:38:36,297 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-28 05:38:36,298 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:38:36" (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 [2019-12-28 05:38:36,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-28 05:38:36,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-28 05:38:36,380 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-12-28 05:38:36,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-28 05:38:36,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-28 05:38:36,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-28 05:38:36,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-28 05:38:36,381 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2019-12-28 05:38:36,381 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2019-12-28 05:38:36,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-28 05:38:36,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-28 05:38:36,383 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-28 05:38:37,027 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-28 05:38:37,028 INFO L287 CfgBuilder]: Removed 16 assume(true) statements. [2019-12-28 05:38:37,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:38:37 BoogieIcfgContainer [2019-12-28 05:38:37,029 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-28 05:38:37,031 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-28 05:38:37,031 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-28 05:38:37,033 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-28 05:38:37,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 05:38:34" (1/3) ... [2019-12-28 05:38:37,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35f092cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:38:37, skipping insertion in model container [2019-12-28 05:38:37,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:38:36" (2/3) ... [2019-12-28 05:38:37,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35f092cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:38:37, skipping insertion in model container [2019-12-28 05:38:37,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:38:37" (3/3) ... [2019-12-28 05:38:37,037 INFO L109 eAbstractionObserver]: Analyzing ICFG race-1_2-join.i [2019-12-28 05:38:37,047 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-28 05:38:37,047 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-28 05:38:37,055 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-12-28 05:38:37,056 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-28 05:38:37,081 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:38:37,081 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:38:37,082 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:38:37,082 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:38:37,082 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:38:37,083 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:38:37,083 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:38:37,083 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:38:37,087 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:38:37,088 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:38:37,088 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:38:37,088 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:38:37,089 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:38:37,114 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-28 05:38:37,137 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-28 05:38:37,137 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-28 05:38:37,137 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-28 05:38:37,138 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-28 05:38:37,138 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-28 05:38:37,138 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-28 05:38:37,138 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-28 05:38:37,138 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-28 05:38:37,152 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 83 places, 85 transitions [2019-12-28 05:38:37,175 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 239 states. [2019-12-28 05:38:37,178 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states. [2019-12-28 05:38:37,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-28 05:38:37,186 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:38:37,188 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 05:38:37,188 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:38:37,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:38:37,195 INFO L82 PathProgramCache]: Analyzing trace with hash -1989124765, now seen corresponding path program 1 times [2019-12-28 05:38:37,208 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:38:37,208 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205653897] [2019-12-28 05:38:37,209 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:38:37,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:38:37,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 05:38:37,672 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205653897] [2019-12-28 05:38:37,674 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:38:37,675 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-28 05:38:37,676 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1419922112] [2019-12-28 05:38:37,678 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:38:37,709 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:38:37,728 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 24 states and 23 transitions. [2019-12-28 05:38:37,729 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:38:37,733 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 05:38:37,733 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-28 05:38:37,734 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:38:37,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-28 05:38:37,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-28 05:38:37,748 INFO L87 Difference]: Start difference. First operand 239 states. Second operand 5 states. [2019-12-28 05:38:37,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:38:37,933 INFO L93 Difference]: Finished difference Result 237 states and 384 transitions. [2019-12-28 05:38:37,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-28 05:38:37,935 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-12-28 05:38:37,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:38:37,947 INFO L225 Difference]: With dead ends: 237 [2019-12-28 05:38:37,947 INFO L226 Difference]: Without dead ends: 181 [2019-12-28 05:38:37,949 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-12-28 05:38:37,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2019-12-28 05:38:38,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2019-12-28 05:38:38,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2019-12-28 05:38:38,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 292 transitions. [2019-12-28 05:38:38,011 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 292 transitions. Word has length 23 [2019-12-28 05:38:38,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:38:38,012 INFO L462 AbstractCegarLoop]: Abstraction has 181 states and 292 transitions. [2019-12-28 05:38:38,012 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-28 05:38:38,013 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 292 transitions. [2019-12-28 05:38:38,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-28 05:38:38,015 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:38:38,016 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 05:38:38,016 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:38:38,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:38:38,017 INFO L82 PathProgramCache]: Analyzing trace with hash -1891934240, now seen corresponding path program 1 times [2019-12-28 05:38:38,017 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:38:38,017 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992069483] [2019-12-28 05:38:38,018 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:38:38,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:38:38,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 05:38:38,221 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992069483] [2019-12-28 05:38:38,221 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:38:38,222 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-28 05:38:38,222 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1423843227] [2019-12-28 05:38:38,222 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:38:38,226 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:38:38,231 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 32 states and 31 transitions. [2019-12-28 05:38:38,231 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:38:38,232 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 05:38:38,233 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-28 05:38:38,234 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:38:38,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-28 05:38:38,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-28 05:38:38,234 INFO L87 Difference]: Start difference. First operand 181 states and 292 transitions. Second operand 5 states. [2019-12-28 05:38:38,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:38:38,347 INFO L93 Difference]: Finished difference Result 179 states and 290 transitions. [2019-12-28 05:38:38,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-28 05:38:38,348 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-12-28 05:38:38,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:38:38,352 INFO L225 Difference]: With dead ends: 179 [2019-12-28 05:38:38,352 INFO L226 Difference]: Without dead ends: 173 [2019-12-28 05:38:38,353 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-12-28 05:38:38,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2019-12-28 05:38:38,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2019-12-28 05:38:38,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2019-12-28 05:38:38,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 284 transitions. [2019-12-28 05:38:38,368 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 284 transitions. Word has length 31 [2019-12-28 05:38:38,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:38:38,369 INFO L462 AbstractCegarLoop]: Abstraction has 173 states and 284 transitions. [2019-12-28 05:38:38,369 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-28 05:38:38,369 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 284 transitions. [2019-12-28 05:38:38,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-28 05:38:38,370 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:38:38,371 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 05:38:38,371 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:38:38,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:38:38,371 INFO L82 PathProgramCache]: Analyzing trace with hash -440006597, now seen corresponding path program 1 times [2019-12-28 05:38:38,372 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:38:38,372 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325610266] [2019-12-28 05:38:38,372 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:38:38,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:38:38,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 05:38:38,513 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325610266] [2019-12-28 05:38:38,515 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:38:38,515 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-28 05:38:38,515 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [171079471] [2019-12-28 05:38:38,515 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:38:38,520 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:38:38,526 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 35 states and 34 transitions. [2019-12-28 05:38:38,526 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:38:38,526 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 05:38:38,527 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-28 05:38:38,528 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:38:38,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-28 05:38:38,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-28 05:38:38,529 INFO L87 Difference]: Start difference. First operand 173 states and 284 transitions. Second operand 5 states. [2019-12-28 05:38:38,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:38:38,703 INFO L93 Difference]: Finished difference Result 274 states and 446 transitions. [2019-12-28 05:38:38,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-28 05:38:38,703 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-12-28 05:38:38,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:38:38,706 INFO L225 Difference]: With dead ends: 274 [2019-12-28 05:38:38,706 INFO L226 Difference]: Without dead ends: 274 [2019-12-28 05:38:38,707 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-28 05:38:38,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2019-12-28 05:38:38,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 181. [2019-12-28 05:38:38,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2019-12-28 05:38:38,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 296 transitions. [2019-12-28 05:38:38,741 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 296 transitions. Word has length 34 [2019-12-28 05:38:38,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:38:38,741 INFO L462 AbstractCegarLoop]: Abstraction has 181 states and 296 transitions. [2019-12-28 05:38:38,741 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-28 05:38:38,741 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 296 transitions. [2019-12-28 05:38:38,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-28 05:38:38,743 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:38:38,743 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 05:38:38,747 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:38:38,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:38:38,748 INFO L82 PathProgramCache]: Analyzing trace with hash -1775474631, now seen corresponding path program 1 times [2019-12-28 05:38:38,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:38:38,749 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739840076] [2019-12-28 05:38:38,749 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:38:38,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-28 05:38:38,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-28 05:38:38,904 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-28 05:38:38,904 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-28 05:38:38,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.12 05:38:38 BasicIcfg [2019-12-28 05:38:38,957 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-28 05:38:38,959 INFO L168 Benchmark]: Toolchain (without parser) took 4208.64 ms. Allocated memory was 147.8 MB in the beginning and 243.3 MB in the end (delta: 95.4 MB). Free memory was 102.4 MB in the beginning and 110.2 MB in the end (delta: -7.7 MB). Peak memory consumption was 87.7 MB. Max. memory is 7.1 GB. [2019-12-28 05:38:38,960 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 147.8 MB. Free memory is still 123.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-12-28 05:38:38,961 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1385.43 ms. Allocated memory was 147.8 MB in the beginning and 234.4 MB in the end (delta: 86.5 MB). Free memory was 102.4 MB in the beginning and 165.9 MB in the end (delta: -63.4 MB). Peak memory consumption was 70.8 MB. Max. memory is 7.1 GB. [2019-12-28 05:38:38,961 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.39 ms. Allocated memory is still 234.4 MB. Free memory was 165.9 MB in the beginning and 162.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2019-12-28 05:38:38,962 INFO L168 Benchmark]: Boogie Preprocessor took 56.15 ms. Allocated memory is still 234.4 MB. Free memory was 162.6 MB in the beginning and 161.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. [2019-12-28 05:38:38,963 INFO L168 Benchmark]: RCFGBuilder took 733.52 ms. Allocated memory is still 234.4 MB. Free memory was 159.3 MB in the beginning and 122.9 MB in the end (delta: 36.4 MB). Peak memory consumption was 36.4 MB. Max. memory is 7.1 GB. [2019-12-28 05:38:38,964 INFO L168 Benchmark]: TraceAbstraction took 1925.93 ms. Allocated memory was 234.4 MB in the beginning and 243.3 MB in the end (delta: 8.9 MB). Free memory was 121.3 MB in the beginning and 110.2 MB in the end (delta: 11.1 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. [2019-12-28 05:38:38,969 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 147.8 MB. Free memory is still 123.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1385.43 ms. Allocated memory was 147.8 MB in the beginning and 234.4 MB in the end (delta: 86.5 MB). Free memory was 102.4 MB in the beginning and 165.9 MB in the end (delta: -63.4 MB). Peak memory consumption was 70.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 102.39 ms. Allocated memory is still 234.4 MB. Free memory was 165.9 MB in the beginning and 162.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 56.15 ms. Allocated memory is still 234.4 MB. Free memory was 162.6 MB in the beginning and 161.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 733.52 ms. Allocated memory is still 234.4 MB. Free memory was 159.3 MB in the beginning and 122.9 MB in the end (delta: 36.4 MB). Peak memory consumption was 36.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1925.93 ms. Allocated memory was 234.4 MB in the beginning and 243.3 MB in the end (delta: 8.9 MB). Free memory was 121.3 MB in the beginning and 110.2 MB in the end (delta: 11.1 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1682]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1683] 0 pthread_t t1; VAL [t1={3:0}] [L1684] 0 pthread_mutex_t mutex; VAL [mutex={2:0}, t1={3:0}] [L1685] 0 int pdev; VAL [mutex={2:0}, pdev=0, t1={3:0}] [L1694] 0 pdev = 1 VAL [mutex={2:0}, pdev=1, t1={3:0}] [L1682] COND FALSE 0 !(!expression) VAL [mutex={2:0}, pdev=1, t1={3:0}] [L1696] COND TRUE 0 __VERIFIER_nondet_int() VAL [mutex={2:0}, pdev=1, t1={3:0}] [L1697] FCALL, FORK 0 pthread_create(&t1, ((void *)0), thread1, ((void *)0)) VAL [arg={0:0}, mutex={2:0}, pdev=1, t1={3:0}] [L1698] 0 pdev = 2 VAL [arg={0:0}, mutex={2:0}, pdev=2, t1={3:0}] [L1688] 1 pdev = 6 VAL [arg={0:0}, arg={0:0}, mutex={2:0}, pdev=6, t1={3:0}] [L1682] COND TRUE 0 !expression VAL [arg={0:0}, arg={0:0}, mutex={2:0}, pdev=6, t1={3:0}] [L1682] 0 __VERIFIER_error() VAL [arg={0:0}, arg={0:0}, mutex={2:0}, pdev=6, t1={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 80 locations, 4 error locations. Result: UNSAFE, OverallTime: 1.7s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 218 SDtfs, 253 SDslu, 428 SDs, 0 SdLazy, 82 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=239occurred 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, 93 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 126 NumberOfCodeBlocks, 126 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 85 ConstructedInterpolants, 0 QuantifiedInterpolants, 3408 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...