./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/40_barrier_vf.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_929037ce-e704-4d33-a314-44c3fd768279/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_929037ce-e704-4d33-a314-44c3fd768279/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_929037ce-e704-4d33-a314-44c3fd768279/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_929037ce-e704-4d33-a314-44c3fd768279/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/40_barrier_vf.i -s /tmp/vcloud-vcloud-master/worker/working_dir_929037ce-e704-4d33-a314-44c3fd768279/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_929037ce-e704-4d33-a314-44c3fd768279/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ca0a1e4d7e3711007343b5979fe7978b3c373b5f ............................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_929037ce-e704-4d33-a314-44c3fd768279/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_929037ce-e704-4d33-a314-44c3fd768279/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_929037ce-e704-4d33-a314-44c3fd768279/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_929037ce-e704-4d33-a314-44c3fd768279/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/40_barrier_vf.i -s /tmp/vcloud-vcloud-master/worker/working_dir_929037ce-e704-4d33-a314-44c3fd768279/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_929037ce-e704-4d33-a314-44c3fd768279/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ca0a1e4d7e3711007343b5979fe7978b3c373b5f ................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:57:24,661 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:57:24,663 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:57:24,671 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:57:24,671 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:57:24,672 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:57:24,673 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:57:24,674 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:57:24,676 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:57:24,676 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:57:24,677 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:57:24,678 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:57:24,679 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:57:24,679 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:57:24,680 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:57:24,681 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:57:24,682 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:57:24,682 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:57:24,684 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:57:24,686 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:57:24,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:57:24,688 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:57:24,689 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:57:24,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:57:24,692 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:57:24,692 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:57:24,692 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:57:24,693 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:57:24,694 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:57:24,695 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:57:24,695 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:57:24,695 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:57:24,696 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:57:24,697 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:57:24,698 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:57:24,698 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:57:24,699 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:57:24,699 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:57:24,699 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:57:24,700 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:57:24,700 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:57:24,701 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_929037ce-e704-4d33-a314-44c3fd768279/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:57:24,713 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:57:24,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:57:24,714 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:57:24,714 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:57:24,715 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:57:24,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:57:24,715 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:57:24,715 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:57:24,715 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:57:24,715 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:57:24,716 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:57:24,716 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:57:24,716 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:57:24,716 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:57:24,716 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:57:24,716 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:57:24,716 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:57:24,717 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:57:24,717 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:57:24,717 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:57:24,717 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:57:24,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:57:24,718 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:57:24,718 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:57:24,718 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:57:24,718 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:57:24,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:57:24,718 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:57:24,719 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_929037ce-e704-4d33-a314-44c3fd768279/bin/uautomizer 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 -> Automizer 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 -> ca0a1e4d7e3711007343b5979fe7978b3c373b5f [2019-10-22 08:57:24,743 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:57:24,753 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:57:24,756 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:57:24,757 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:57:24,758 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:57:24,758 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_929037ce-e704-4d33-a314-44c3fd768279/bin/uautomizer/../../sv-benchmarks/c/pthread-ext/40_barrier_vf.i [2019-10-22 08:57:24,811 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_929037ce-e704-4d33-a314-44c3fd768279/bin/uautomizer/data/70fa98ce1/8466d032119b4cbf8db5fdbfa35160e1/FLAGfe158295d [2019-10-22 08:57:25,222 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:57:25,222 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_929037ce-e704-4d33-a314-44c3fd768279/sv-benchmarks/c/pthread-ext/40_barrier_vf.i [2019-10-22 08:57:25,233 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_929037ce-e704-4d33-a314-44c3fd768279/bin/uautomizer/data/70fa98ce1/8466d032119b4cbf8db5fdbfa35160e1/FLAGfe158295d [2019-10-22 08:57:25,245 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_929037ce-e704-4d33-a314-44c3fd768279/bin/uautomizer/data/70fa98ce1/8466d032119b4cbf8db5fdbfa35160e1 [2019-10-22 08:57:25,247 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:57:25,248 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:57:25,249 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:25,249 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:57:25,252 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:57:25,253 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:57:25" (1/1) ... [2019-10-22 08:57:25,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b3c99f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:25, skipping insertion in model container [2019-10-22 08:57:25,256 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:57:25" (1/1) ... [2019-10-22 08:57:25,263 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:57:25,296 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:57:25,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:25,693 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:57:25,744 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:25,795 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:57:25,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:25 WrapperNode [2019-10-22 08:57:25,796 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:25,798 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:57:25,798 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:57:25,799 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:57:25,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:25" (1/1) ... [2019-10-22 08:57:25,818 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:25" (1/1) ... [2019-10-22 08:57:25,834 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:57:25,834 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:57:25,834 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:57:25,834 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:57:25,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:25" (1/1) ... [2019-10-22 08:57:25,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:25" (1/1) ... [2019-10-22 08:57:25,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:25" (1/1) ... [2019-10-22 08:57:25,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:25" (1/1) ... [2019-10-22 08:57:25,847 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:25" (1/1) ... [2019-10-22 08:57:25,851 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:25" (1/1) ... [2019-10-22 08:57:25,852 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:25" (1/1) ... [2019-10-22 08:57:25,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:57:25,854 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:57:25,855 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:57:25,855 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:57:25,855 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_929037ce-e704-4d33-a314-44c3fd768279/bin/uautomizer/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 [2019-10-22 08:57:25,898 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-10-22 08:57:25,898 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-10-22 08:57:25,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 08:57:25,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:57:25,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:57:25,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:57:25,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:57:25,901 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-10-22 08:57:26,007 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-10-22 08:57:26,008 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-10-22 08:57:26,009 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2019-10-22 08:57:26,009 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2019-10-22 08:57:26,094 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:57:26,095 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-10-22 08:57:26,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:26 BoogieIcfgContainer [2019-10-22 08:57:26,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:57:26,097 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:57:26,097 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:57:26,099 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:57:26,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:57:25" (1/3) ... [2019-10-22 08:57:26,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16c8d023 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:57:26, skipping insertion in model container [2019-10-22 08:57:26,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:25" (2/3) ... [2019-10-22 08:57:26,101 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16c8d023 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:57:26, skipping insertion in model container [2019-10-22 08:57:26,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:26" (3/3) ... [2019-10-22 08:57:26,102 INFO L109 eAbstractionObserver]: Analyzing ICFG 40_barrier_vf.i [2019-10-22 08:57:26,128 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:57:26,128 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:57:26,128 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:57:26,128 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:57:26,128 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:57:26,129 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:57:26,129 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:57:26,129 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:57:26,130 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:57:26,130 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:57:26,136 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-10-22 08:57:26,136 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:57:26,143 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-10-22 08:57:26,152 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-10-22 08:57:26,170 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:57:26,170 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:57:26,170 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:57:26,170 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:57:26,170 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:57:26,170 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:57:26,170 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:57:26,171 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:57:26,178 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 33 places, 35 transitions [2019-10-22 08:57:26,189 FATAL L? ?]: 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_thr1 at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:390) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:128) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) 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) [2019-10-22 08:57:26,200 INFO L168 Benchmark]: Toolchain (without parser) took 951.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 937.7 MB in the beginning and 1.1 GB in the end (delta: -144.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:26,200 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:26,202 INFO L168 Benchmark]: CACSL2BoogieTranslator took 547.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 937.7 MB in the beginning and 1.1 GB in the end (delta: -177.7 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:26,202 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:26,203 INFO L168 Benchmark]: Boogie Preprocessor took 20.01 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:26,203 INFO L168 Benchmark]: RCFGBuilder took 241.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:26,204 INFO L168 Benchmark]: TraceAbstraction took 101.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:26,214 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 547.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 937.7 MB in the beginning and 1.1 GB in the end (delta: -177.7 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.01 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 241.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 101.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 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_thr1 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:325) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-10-22 08:57:28,215 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:57:28,216 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:57:28,227 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:57:28,227 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:57:28,227 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:57:28,228 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:57:28,230 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:57:28,231 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:57:28,232 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:57:28,237 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:57:28,238 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:57:28,238 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:57:28,239 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:57:28,240 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:57:28,240 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:57:28,247 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:57:28,248 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:57:28,249 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:57:28,251 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:57:28,252 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:57:28,257 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:57:28,258 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:57:28,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:57:28,260 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:57:28,260 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:57:28,260 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:57:28,264 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:57:28,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:57:28,265 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:57:28,265 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:57:28,266 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:57:28,266 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:57:28,267 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:57:28,268 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:57:28,268 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:57:28,268 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:57:28,268 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:57:28,268 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:57:28,270 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:57:28,270 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:57:28,271 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_929037ce-e704-4d33-a314-44c3fd768279/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-10-22 08:57:28,284 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:57:28,284 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:57:28,288 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:57:28,288 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:57:28,288 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:57:28,288 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:57:28,289 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:57:28,289 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:57:28,289 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:57:28,289 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:57:28,289 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:57:28,289 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:57:28,289 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 08:57:28,289 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 08:57:28,290 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:57:28,290 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:57:28,290 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:57:28,290 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:57:28,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:57:28,290 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:57:28,290 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:57:28,291 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:57:28,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:57:28,291 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:57:28,291 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:57:28,291 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:57:28,291 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-10-22 08:57:28,291 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 08:57:28,292 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:57:28,292 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 08:57:28,292 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_929037ce-e704-4d33-a314-44c3fd768279/bin/uautomizer 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 -> Automizer 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 -> ca0a1e4d7e3711007343b5979fe7978b3c373b5f [2019-10-22 08:57:28,332 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:57:28,344 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:57:28,347 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:57:28,349 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:57:28,349 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:57:28,349 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_929037ce-e704-4d33-a314-44c3fd768279/bin/uautomizer/../../sv-benchmarks/c/pthread-ext/40_barrier_vf.i [2019-10-22 08:57:28,394 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_929037ce-e704-4d33-a314-44c3fd768279/bin/uautomizer/data/849b51ba8/421ee36e47da47ea82cef960eeb18052/FLAG37f3cd1cc [2019-10-22 08:57:28,822 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:57:28,822 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_929037ce-e704-4d33-a314-44c3fd768279/sv-benchmarks/c/pthread-ext/40_barrier_vf.i [2019-10-22 08:57:28,834 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_929037ce-e704-4d33-a314-44c3fd768279/bin/uautomizer/data/849b51ba8/421ee36e47da47ea82cef960eeb18052/FLAG37f3cd1cc [2019-10-22 08:57:29,213 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_929037ce-e704-4d33-a314-44c3fd768279/bin/uautomizer/data/849b51ba8/421ee36e47da47ea82cef960eeb18052 [2019-10-22 08:57:29,217 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:57:29,218 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:57:29,226 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:29,226 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:57:29,231 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:57:29,231 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:57:29" (1/1) ... [2019-10-22 08:57:29,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e2b528e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:29, skipping insertion in model container [2019-10-22 08:57:29,234 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:57:29" (1/1) ... [2019-10-22 08:57:29,250 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:57:29,288 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:57:29,589 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:29,668 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:57:29,726 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:29,773 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:57:29,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:29 WrapperNode [2019-10-22 08:57:29,774 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:29,775 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:57:29,775 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:57:29,775 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:57:29,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:29" (1/1) ... [2019-10-22 08:57:29,802 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:29" (1/1) ... [2019-10-22 08:57:29,817 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:57:29,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:57:29,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:57:29,817 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:57:29,823 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:29" (1/1) ... [2019-10-22 08:57:29,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:29" (1/1) ... [2019-10-22 08:57:29,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:29" (1/1) ... [2019-10-22 08:57:29,826 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:29" (1/1) ... [2019-10-22 08:57:29,836 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:29" (1/1) ... [2019-10-22 08:57:29,840 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:29" (1/1) ... [2019-10-22 08:57:29,841 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:29" (1/1) ... [2019-10-22 08:57:29,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:57:29,844 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:57:29,844 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:57:29,845 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:57:29,845 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_929037ce-e704-4d33-a314-44c3fd768279/bin/uautomizer/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 [2019-10-22 08:57:29,891 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-10-22 08:57:29,892 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-10-22 08:57:29,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:57:29,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:57:29,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 08:57:29,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:57:29,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:57:29,893 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-10-22 08:57:30,018 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-10-22 08:57:30,018 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-10-22 08:57:30,019 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2019-10-22 08:57:30,019 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2019-10-22 08:57:30,152 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:57:30,153 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-10-22 08:57:30,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:30 BoogieIcfgContainer [2019-10-22 08:57:30,154 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:57:30,155 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:57:30,155 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:57:30,164 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:57:30,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:57:29" (1/3) ... [2019-10-22 08:57:30,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70916ece and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:57:30, skipping insertion in model container [2019-10-22 08:57:30,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:29" (2/3) ... [2019-10-22 08:57:30,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70916ece and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:57:30, skipping insertion in model container [2019-10-22 08:57:30,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:30" (3/3) ... [2019-10-22 08:57:30,167 INFO L109 eAbstractionObserver]: Analyzing ICFG 40_barrier_vf.i [2019-10-22 08:57:30,203 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:57:30,203 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:57:30,205 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:57:30,205 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:57:30,205 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:57:30,205 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:57:30,206 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:57:30,206 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:57:30,207 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:57:30,207 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:57:30,219 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-10-22 08:57:30,219 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:57:30,226 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-10-22 08:57:30,233 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-10-22 08:57:30,249 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:57:30,250 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:57:30,250 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:57:30,250 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:57:30,250 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:57:30,250 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:57:30,250 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:57:30,251 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:57:30,258 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 33 places, 35 transitions [2019-10-22 08:57:30,267 FATAL L? ?]: 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_thr1 at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:390) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:128) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) 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) [2019-10-22 08:57:30,272 INFO L168 Benchmark]: Toolchain (without parser) took 1053.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -151.4 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:30,272 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:30,273 INFO L168 Benchmark]: CACSL2BoogieTranslator took 548.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -188.3 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:30,273 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:30,274 INFO L168 Benchmark]: Boogie Preprocessor took 26.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:30,274 INFO L168 Benchmark]: RCFGBuilder took 309.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:30,275 INFO L168 Benchmark]: TraceAbstraction took 115.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:30,277 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 548.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -188.3 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 309.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 115.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 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_thr1 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:325) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...