./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/sigma_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_443e8f66-2efd-499c-9db7-18cf787df771/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_443e8f66-2efd-499c-9db7-18cf787df771/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_443e8f66-2efd-499c-9db7-18cf787df771/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_443e8f66-2efd-499c-9db7-18cf787df771/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/sigma_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_443e8f66-2efd-499c-9db7-18cf787df771/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_443e8f66-2efd-499c-9db7-18cf787df771/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 574df94a903166a1b27be7d989c6ac88f507ceb5 ....................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_443e8f66-2efd-499c-9db7-18cf787df771/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_443e8f66-2efd-499c-9db7-18cf787df771/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_443e8f66-2efd-499c-9db7-18cf787df771/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_443e8f66-2efd-499c-9db7-18cf787df771/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/sigma_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_443e8f66-2efd-499c-9db7-18cf787df771/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_443e8f66-2efd-499c-9db7-18cf787df771/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 574df94a903166a1b27be7d989c6ac88f507ceb5 .................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thread --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 11:29:54,681 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 11:29:54,682 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 11:29:54,690 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 11:29:54,690 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 11:29:54,691 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 11:29:54,691 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 11:29:54,692 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 11:29:54,693 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 11:29:54,694 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 11:29:54,695 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 11:29:54,695 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 11:29:54,695 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 11:29:54,696 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 11:29:54,697 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 11:29:54,697 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 11:29:54,698 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 11:29:54,699 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 11:29:54,700 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 11:29:54,701 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 11:29:54,702 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 11:29:54,703 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 11:29:54,704 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 11:29:54,705 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 11:29:54,705 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 11:29:54,705 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 11:29:54,706 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 11:29:54,707 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 11:29:54,707 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 11:29:54,708 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 11:29:54,708 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 11:29:54,708 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 11:29:54,708 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 11:29:54,708 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 11:29:54,709 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 11:29:54,709 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 11:29:54,709 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_443e8f66-2efd-499c-9db7-18cf787df771/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 11:29:54,716 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 11:29:54,716 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 11:29:54,717 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 11:29:54,717 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 11:29:54,717 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 11:29:54,717 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 11:29:54,717 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 11:29:54,717 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 11:29:54,717 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 11:29:54,717 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 11:29:54,717 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 11:29:54,717 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 11:29:54,717 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 11:29:54,718 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 11:29:54,718 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 11:29:54,718 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 11:29:54,718 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 11:29:54,718 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 11:29:54,718 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 11:29:54,718 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 11:29:54,718 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 11:29:54,718 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 11:29:54,718 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 11:29:54,719 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 11:29:54,719 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 11:29:54,719 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 11:29:54,719 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 11:29:54,719 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 11:29:54,719 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 11:29:54,719 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 11:29:54,719 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 11:29:54,719 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 11:29:54,719 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 11:29:54,719 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 11:29:54,719 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 11:29:54,720 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 11:29:54,720 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_443e8f66-2efd-499c-9db7-18cf787df771/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 574df94a903166a1b27be7d989c6ac88f507ceb5 [2018-12-09 11:29:54,742 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 11:29:54,748 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 11:29:54,750 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 11:29:54,751 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 11:29:54,752 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 11:29:54,752 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_443e8f66-2efd-499c-9db7-18cf787df771/bin-2019/utaipan/../../sv-benchmarks/c/pthread/sigma_false-unreach-call.i [2018-12-09 11:29:54,787 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_443e8f66-2efd-499c-9db7-18cf787df771/bin-2019/utaipan/data/56258f054/426ccf9116974de1bb0aec7d642e5b07/FLAG9570b3578 [2018-12-09 11:29:55,150 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 11:29:55,151 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_443e8f66-2efd-499c-9db7-18cf787df771/sv-benchmarks/c/pthread/sigma_false-unreach-call.i [2018-12-09 11:29:55,159 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_443e8f66-2efd-499c-9db7-18cf787df771/bin-2019/utaipan/data/56258f054/426ccf9116974de1bb0aec7d642e5b07/FLAG9570b3578 [2018-12-09 11:29:55,167 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_443e8f66-2efd-499c-9db7-18cf787df771/bin-2019/utaipan/data/56258f054/426ccf9116974de1bb0aec7d642e5b07 [2018-12-09 11:29:55,168 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 11:29:55,169 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 11:29:55,170 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 11:29:55,170 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 11:29:55,172 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 11:29:55,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:29:55" (1/1) ... [2018-12-09 11:29:55,174 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23ee2b48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:29:55, skipping insertion in model container [2018-12-09 11:29:55,174 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:29:55" (1/1) ... [2018-12-09 11:29:55,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 11:29:55,207 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 11:29:55,457 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:29:55,496 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 11:29:55,524 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:29:55,590 INFO L195 MainTranslator]: Completed translation [2018-12-09 11:29:55,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:29:55 WrapperNode [2018-12-09 11:29:55,591 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 11:29:55,591 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 11:29:55,591 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 11:29:55,591 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 11:29:55,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:29:55" (1/1) ... [2018-12-09 11:29:55,607 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:29:55" (1/1) ... [2018-12-09 11:29:55,619 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 11:29:55,620 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 11:29:55,620 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 11:29:55,620 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 11:29:55,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:29:55" (1/1) ... [2018-12-09 11:29:55,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:29:55" (1/1) ... [2018-12-09 11:29:55,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:29:55" (1/1) ... [2018-12-09 11:29:55,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:29:55" (1/1) ... [2018-12-09 11:29:55,631 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:29:55" (1/1) ... [2018-12-09 11:29:55,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:29:55" (1/1) ... [2018-12-09 11:29:55,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:29:55" (1/1) ... [2018-12-09 11:29:55,636 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 11:29:55,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 11:29:55,637 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 11:29:55,637 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 11:29:55,637 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:29:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_443e8f66-2efd-499c-9db7-18cf787df771/bin-2019/utaipan/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 [2018-12-09 11:29:55,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-09 11:29:55,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 11:29:55,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 11:29:55,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 11:29:55,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 11:29:55,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-09 11:29:55,669 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2018-12-09 11:29:55,669 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2018-12-09 11:29:55,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 11:29:55,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 11:29:55,670 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-09 11:29:55,847 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 11:29:55,847 INFO L280 CfgBuilder]: Removed 9 assue(true) statements. [2018-12-09 11:29:55,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:29:55 BoogieIcfgContainer [2018-12-09 11:29:55,847 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 11:29:55,848 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 11:29:55,848 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 11:29:55,850 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 11:29:55,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 11:29:55" (1/3) ... [2018-12-09 11:29:55,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56c2da00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:29:55, skipping insertion in model container [2018-12-09 11:29:55,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:29:55" (2/3) ... [2018-12-09 11:29:55,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56c2da00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:29:55, skipping insertion in model container [2018-12-09 11:29:55,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:29:55" (3/3) ... [2018-12-09 11:29:55,852 INFO L112 eAbstractionObserver]: Analyzing ICFG sigma_false-unreach-call.i [2018-12-09 11:29:55,871 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 11:29:55,871 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 11:29:55,871 WARN L317 ript$VariableManager]: TermVariabe Thread0_thread_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 11:29:55,871 WARN L317 ript$VariableManager]: TermVariabe Thread0_thread_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 11:29:55,871 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 11:29:55,871 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 11:29:55,876 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-09 11:29:55,877 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 11:29:55,881 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 11:29:55,890 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 11:29:55,906 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 11:29:55,906 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 11:29:55,906 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 11:29:55,907 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 11:29:55,907 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 11:29:55,907 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 11:29:55,907 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 11:29:55,907 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 11:29:55,914 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 67places, 72 transitions [2018-12-09 11:29:55,930 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: Petrification does not provide enough thread instances for Thread0_thread at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:402) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-12-09 11:29:55,932 INFO L168 Benchmark]: Toolchain (without parser) took 763.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 947.0 MB in the beginning and 1.0 GB in the end (delta: -60.6 MB). Peak memory consumption was 42.7 MB. Max. memory is 11.5 GB. [2018-12-09 11:29:55,934 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:29:55,934 INFO L168 Benchmark]: CACSL2BoogieTranslator took 421.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 947.0 MB in the beginning and 1.0 GB in the end (delta: -101.8 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-12-09 11:29:55,934 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 11:29:55,935 INFO L168 Benchmark]: Boogie Preprocessor took 16.66 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:29:55,935 INFO L168 Benchmark]: RCFGBuilder took 210.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 30.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. [2018-12-09 11:29:55,936 INFO L168 Benchmark]: TraceAbstraction took 83.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-12-09 11:29:55,938 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 421.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 947.0 MB in the beginning and 1.0 GB in the end (delta: -101.8 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.66 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 210.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 30.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 83.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thread de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thread: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-09 11:29:57,309 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 11:29:57,310 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 11:29:57,319 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 11:29:57,319 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 11:29:57,320 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 11:29:57,321 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 11:29:57,322 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 11:29:57,323 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 11:29:57,323 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 11:29:57,324 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 11:29:57,324 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 11:29:57,325 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 11:29:57,326 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 11:29:57,326 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 11:29:57,327 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 11:29:57,327 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 11:29:57,329 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 11:29:57,329 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 11:29:57,330 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 11:29:57,331 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 11:29:57,331 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 11:29:57,332 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 11:29:57,332 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 11:29:57,332 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 11:29:57,333 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 11:29:57,333 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 11:29:57,334 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 11:29:57,334 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 11:29:57,335 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 11:29:57,335 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 11:29:57,335 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 11:29:57,335 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 11:29:57,335 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 11:29:57,336 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 11:29:57,336 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 11:29:57,336 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_443e8f66-2efd-499c-9db7-18cf787df771/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 11:29:57,343 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 11:29:57,343 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 11:29:57,344 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 11:29:57,344 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 11:29:57,344 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 11:29:57,344 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 11:29:57,344 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 11:29:57,344 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 11:29:57,344 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 11:29:57,344 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 11:29:57,345 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 11:29:57,345 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 11:29:57,345 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 11:29:57,345 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 11:29:57,345 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 11:29:57,345 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 11:29:57,345 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 11:29:57,345 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 11:29:57,345 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 11:29:57,345 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 11:29:57,346 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 11:29:57,346 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 11:29:57,346 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 11:29:57,346 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 11:29:57,346 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 11:29:57,346 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 11:29:57,346 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 11:29:57,346 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 11:29:57,346 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 11:29:57,346 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 11:29:57,346 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 11:29:57,347 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 11:29:57,347 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 11:29:57,347 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 11:29:57,347 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 11:29:57,347 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_443e8f66-2efd-499c-9db7-18cf787df771/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 574df94a903166a1b27be7d989c6ac88f507ceb5 [2018-12-09 11:29:57,364 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 11:29:57,372 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 11:29:57,374 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 11:29:57,375 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 11:29:57,375 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 11:29:57,375 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_443e8f66-2efd-499c-9db7-18cf787df771/bin-2019/utaipan/../../sv-benchmarks/c/pthread/sigma_false-unreach-call.i [2018-12-09 11:29:57,410 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_443e8f66-2efd-499c-9db7-18cf787df771/bin-2019/utaipan/data/9b23c1fea/fd911825cee4416dbbfb1990bf66f89d/FLAG3d8210089 [2018-12-09 11:29:57,830 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 11:29:57,830 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_443e8f66-2efd-499c-9db7-18cf787df771/sv-benchmarks/c/pthread/sigma_false-unreach-call.i [2018-12-09 11:29:57,838 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_443e8f66-2efd-499c-9db7-18cf787df771/bin-2019/utaipan/data/9b23c1fea/fd911825cee4416dbbfb1990bf66f89d/FLAG3d8210089 [2018-12-09 11:29:57,847 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_443e8f66-2efd-499c-9db7-18cf787df771/bin-2019/utaipan/data/9b23c1fea/fd911825cee4416dbbfb1990bf66f89d [2018-12-09 11:29:57,848 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 11:29:57,849 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 11:29:57,850 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 11:29:57,850 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 11:29:57,852 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 11:29:57,852 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:29:57" (1/1) ... [2018-12-09 11:29:57,854 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3578b93c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:29:57, skipping insertion in model container [2018-12-09 11:29:57,854 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:29:57" (1/1) ... [2018-12-09 11:29:57,858 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 11:29:57,882 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 11:29:58,122 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:29:58,131 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 11:29:58,195 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:29:58,270 INFO L195 MainTranslator]: Completed translation [2018-12-09 11:29:58,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:29:58 WrapperNode [2018-12-09 11:29:58,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 11:29:58,271 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 11:29:58,271 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 11:29:58,271 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 11:29:58,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:29:58" (1/1) ... [2018-12-09 11:29:58,288 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:29:58" (1/1) ... [2018-12-09 11:29:58,300 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 11:29:58,300 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 11:29:58,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 11:29:58,301 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 11:29:58,306 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:29:58" (1/1) ... [2018-12-09 11:29:58,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:29:58" (1/1) ... [2018-12-09 11:29:58,308 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:29:58" (1/1) ... [2018-12-09 11:29:58,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:29:58" (1/1) ... [2018-12-09 11:29:58,313 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:29:58" (1/1) ... [2018-12-09 11:29:58,316 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:29:58" (1/1) ... [2018-12-09 11:29:58,317 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:29:58" (1/1) ... [2018-12-09 11:29:58,319 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 11:29:58,319 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 11:29:58,319 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 11:29:58,320 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 11:29:58,320 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:29:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_443e8f66-2efd-499c-9db7-18cf787df771/bin-2019/utaipan/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 [2018-12-09 11:29:58,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 11:29:58,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-09 11:29:58,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 11:29:58,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 11:29:58,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 11:29:58,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-09 11:29:58,351 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2018-12-09 11:29:58,352 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2018-12-09 11:29:58,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 11:29:58,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 11:29:58,353 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-09 11:29:58,545 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 11:29:58,545 INFO L280 CfgBuilder]: Removed 9 assue(true) statements. [2018-12-09 11:29:58,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:29:58 BoogieIcfgContainer [2018-12-09 11:29:58,546 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 11:29:58,546 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 11:29:58,547 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 11:29:58,548 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 11:29:58,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 11:29:57" (1/3) ... [2018-12-09 11:29:58,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68f80fc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:29:58, skipping insertion in model container [2018-12-09 11:29:58,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:29:58" (2/3) ... [2018-12-09 11:29:58,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68f80fc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:29:58, skipping insertion in model container [2018-12-09 11:29:58,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:29:58" (3/3) ... [2018-12-09 11:29:58,551 INFO L112 eAbstractionObserver]: Analyzing ICFG sigma_false-unreach-call.i [2018-12-09 11:29:58,574 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 11:29:58,574 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 11:29:58,574 WARN L317 ript$VariableManager]: TermVariabe Thread0_thread_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 11:29:58,574 WARN L317 ript$VariableManager]: TermVariabe Thread0_thread_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 11:29:58,574 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 11:29:58,574 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 11:29:58,579 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-09 11:29:58,580 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 11:29:58,584 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 11:29:58,593 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 11:29:58,607 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 11:29:58,608 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 11:29:58,608 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 11:29:58,608 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 11:29:58,608 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 11:29:58,608 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 11:29:58,608 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 11:29:58,608 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 11:29:58,608 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 11:29:58,613 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 67places, 72 transitions [2018-12-09 11:29:58,623 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: Petrification does not provide enough thread instances for Thread0_thread at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:402) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-12-09 11:29:58,625 INFO L168 Benchmark]: Toolchain (without parser) took 776.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 939.3 MB in the beginning and 1.0 GB in the end (delta: -66.3 MB). Peak memory consumption was 47.0 MB. Max. memory is 11.5 GB. [2018-12-09 11:29:58,626 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:29:58,627 INFO L168 Benchmark]: CACSL2BoogieTranslator took 420.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -112.1 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. [2018-12-09 11:29:58,627 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.21 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:29:58,628 INFO L168 Benchmark]: Boogie Preprocessor took 18.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-09 11:29:58,628 INFO L168 Benchmark]: RCFGBuilder took 226.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 32.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. [2018-12-09 11:29:58,629 INFO L168 Benchmark]: TraceAbstraction took 78.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-09 11:29:58,632 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 420.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -112.1 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.21 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 226.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 32.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 78.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thread de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thread: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...