./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/31_simple_loop5_vs.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/run_dir_be237fc1-c70f-4b11-8d7d-fc64451695c4/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_be237fc1-c70f-4b11-8d7d-fc64451695c4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_be237fc1-c70f-4b11-8d7d-fc64451695c4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_be237fc1-c70f-4b11-8d7d-fc64451695c4/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/31_simple_loop5_vs.i -s /tmp/vcloud-vcloud-master/worker/run_dir_be237fc1-c70f-4b11-8d7d-fc64451695c4/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_be237fc1-c70f-4b11-8d7d-fc64451695c4/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 081edffa49857299d91f7754d14f9c862a699261 .................................................................................................................................................................................................................................. 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/run_dir_be237fc1-c70f-4b11-8d7d-fc64451695c4/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_be237fc1-c70f-4b11-8d7d-fc64451695c4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_be237fc1-c70f-4b11-8d7d-fc64451695c4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_be237fc1-c70f-4b11-8d7d-fc64451695c4/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/31_simple_loop5_vs.i -s /tmp/vcloud-vcloud-master/worker/run_dir_be237fc1-c70f-4b11-8d7d-fc64451695c4/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_be237fc1-c70f-4b11-8d7d-fc64451695c4/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 081edffa49857299d91f7754d14f9c862a699261 .................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr2 --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 23:41:24,724 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 23:41:24,726 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 23:41:24,736 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 23:41:24,736 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 23:41:24,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 23:41:24,738 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 23:41:24,740 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 23:41:24,742 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 23:41:24,743 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 23:41:24,744 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 23:41:24,745 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 23:41:24,745 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 23:41:24,746 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 23:41:24,747 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 23:41:24,748 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 23:41:24,749 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 23:41:24,750 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 23:41:24,751 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 23:41:24,753 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 23:41:24,754 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 23:41:24,755 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 23:41:24,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 23:41:24,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 23:41:24,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 23:41:24,760 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 23:41:24,760 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 23:41:24,761 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 23:41:24,761 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 23:41:24,762 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 23:41:24,762 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 23:41:24,763 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 23:41:24,764 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 23:41:24,764 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 23:41:24,766 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 23:41:24,766 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 23:41:24,766 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 23:41:24,767 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 23:41:24,767 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 23:41:24,768 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 23:41:24,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 23:41:24,769 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_be237fc1-c70f-4b11-8d7d-fc64451695c4/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 23:41:24,782 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 23:41:24,782 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 23:41:24,783 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 23:41:24,784 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 23:41:24,784 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 23:41:24,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 23:41:24,785 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 23:41:24,785 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 23:41:24,785 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 23:41:24,785 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 23:41:24,785 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 23:41:24,786 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 23:41:24,786 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 23:41:24,786 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 23:41:24,786 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 23:41:24,787 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 23:41:24,787 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 23:41:24,787 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 23:41:24,787 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 23:41:24,788 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 23:41:24,788 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 23:41:24,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:41:24,788 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 23:41:24,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 23:41:24,789 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 23:41:24,789 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 23:41:24,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 23:41:24,790 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 23:41:24,790 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/run_dir_be237fc1-c70f-4b11-8d7d-fc64451695c4/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 -> 081edffa49857299d91f7754d14f9c862a699261 [2019-11-15 23:41:24,843 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 23:41:24,854 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 23:41:24,857 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 23:41:24,858 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 23:41:24,858 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 23:41:24,859 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_be237fc1-c70f-4b11-8d7d-fc64451695c4/bin/uautomizer/../../sv-benchmarks/c/pthread-ext/31_simple_loop5_vs.i [2019-11-15 23:41:24,910 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_be237fc1-c70f-4b11-8d7d-fc64451695c4/bin/uautomizer/data/c7c27b706/af25bd1ce3274e4aa135c600f9c82ed7/FLAGab15b7a82 [2019-11-15 23:41:25,364 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 23:41:25,364 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_be237fc1-c70f-4b11-8d7d-fc64451695c4/sv-benchmarks/c/pthread-ext/31_simple_loop5_vs.i [2019-11-15 23:41:25,378 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_be237fc1-c70f-4b11-8d7d-fc64451695c4/bin/uautomizer/data/c7c27b706/af25bd1ce3274e4aa135c600f9c82ed7/FLAGab15b7a82 [2019-11-15 23:41:25,390 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_be237fc1-c70f-4b11-8d7d-fc64451695c4/bin/uautomizer/data/c7c27b706/af25bd1ce3274e4aa135c600f9c82ed7 [2019-11-15 23:41:25,393 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 23:41:25,394 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 23:41:25,395 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 23:41:25,395 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 23:41:25,397 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 23:41:25,398 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:41:25" (1/1) ... [2019-11-15 23:41:25,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b053f22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:41:25, skipping insertion in model container [2019-11-15 23:41:25,400 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:41:25" (1/1) ... [2019-11-15 23:41:25,407 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 23:41:25,442 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 23:41:25,785 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:41:25,799 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 23:41:25,864 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:41:25,929 INFO L192 MainTranslator]: Completed translation [2019-11-15 23:41:25,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:41:25 WrapperNode [2019-11-15 23:41:25,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 23:41:25,931 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 23:41:25,931 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 23:41:25,931 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 23:41:25,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:41:25" (1/1) ... [2019-11-15 23:41:25,953 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:41:25" (1/1) ... [2019-11-15 23:41:25,973 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 23:41:25,974 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 23:41:25,974 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 23:41:25,974 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 23:41:25,983 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:41:25" (1/1) ... [2019-11-15 23:41:25,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:41:25" (1/1) ... [2019-11-15 23:41:25,986 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:41:25" (1/1) ... [2019-11-15 23:41:25,986 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:41:25" (1/1) ... [2019-11-15 23:41:25,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:41:25" (1/1) ... [2019-11-15 23:41:25,995 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:41:25" (1/1) ... [2019-11-15 23:41:25,997 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:41:25" (1/1) ... [2019-11-15 23:41:26,000 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 23:41:26,000 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 23:41:26,001 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 23:41:26,001 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 23:41:26,002 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:41:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_be237fc1-c70f-4b11-8d7d-fc64451695c4/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 [2019-11-15 23:41:26,062 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2019-11-15 23:41:26,062 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2019-11-15 23:41:26,062 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-11-15 23:41:26,062 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-11-15 23:41:26,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 23:41:26,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 23:41:26,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 23:41:26,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 23:41:26,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 23:41:26,066 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-15 23:41:26,298 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-11-15 23:41:26,301 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-11-15 23:41:26,363 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-11-15 23:41:26,365 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-11-15 23:41:26,452 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 23:41:26,453 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-15 23:41:26,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:41:26 BoogieIcfgContainer [2019-11-15 23:41:26,454 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 23:41:26,455 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 23:41:26,455 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 23:41:26,458 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 23:41:26,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 11:41:25" (1/3) ... [2019-11-15 23:41:26,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c99ef63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:41:26, skipping insertion in model container [2019-11-15 23:41:26,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:41:25" (2/3) ... [2019-11-15 23:41:26,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c99ef63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:41:26, skipping insertion in model container [2019-11-15 23:41:26,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:41:26" (3/3) ... [2019-11-15 23:41:26,462 INFO L109 eAbstractionObserver]: Analyzing ICFG 31_simple_loop5_vs.i [2019-11-15 23:41:26,501 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:41:26,502 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:41:26,502 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:41:26,502 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:41:26,502 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:41:26,503 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:41:26,504 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:41:26,504 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:41:26,504 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:41:26,504 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:41:26,505 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:41:26,505 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:41:26,516 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-15 23:41:26,516 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 23:41:26,523 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-11-15 23:41:26,538 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-11-15 23:41:26,557 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 23:41:26,557 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 23:41:26,557 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 23:41:26,558 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 23:41:26,558 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 23:41:26,558 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 23:41:26,558 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 23:41:26,558 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 23:41:26,570 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 44 transitions [2019-11-15 23:41:26,596 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_thr2 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) [2019-11-15 23:41:26,601 INFO L168 Benchmark]: Toolchain (without parser) took 1205.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -119.4 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2019-11-15 23:41:26,603 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:41:26,605 INFO L168 Benchmark]: CACSL2BoogieTranslator took 535.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -163.1 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-11-15 23:41:26,606 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.75 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-11-15 23:41:26,607 INFO L168 Benchmark]: Boogie Preprocessor took 26.24 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. [2019-11-15 23:41:26,608 INFO L168 Benchmark]: RCFGBuilder took 453.67 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. [2019-11-15 23:41:26,609 INFO L168 Benchmark]: TraceAbstraction took 143.43 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: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2019-11-15 23:41:26,618 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 535.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -163.1 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.75 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.24 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 453.67 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 143.43 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: 14.2 MB). Peak memory consumption was 14.2 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_thr2 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr2: 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 [2019-11-15 23:41:28,819 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 23:41:28,820 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 23:41:28,831 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 23:41:28,831 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 23:41:28,832 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 23:41:28,834 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 23:41:28,836 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 23:41:28,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 23:41:28,838 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 23:41:28,839 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 23:41:28,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 23:41:28,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 23:41:28,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 23:41:28,842 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 23:41:28,843 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 23:41:28,844 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 23:41:28,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 23:41:28,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 23:41:28,848 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 23:41:28,850 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 23:41:28,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 23:41:28,852 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 23:41:28,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 23:41:28,855 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 23:41:28,856 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 23:41:28,856 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 23:41:28,857 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 23:41:28,857 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 23:41:28,858 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 23:41:28,859 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 23:41:28,859 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 23:41:28,860 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 23:41:28,861 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 23:41:28,862 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 23:41:28,862 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 23:41:28,863 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 23:41:28,863 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 23:41:28,863 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 23:41:28,864 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 23:41:28,864 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 23:41:28,865 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_be237fc1-c70f-4b11-8d7d-fc64451695c4/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-15 23:41:28,878 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 23:41:28,879 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 23:41:28,880 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 23:41:28,880 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 23:41:28,880 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 23:41:28,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 23:41:28,881 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 23:41:28,881 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 23:41:28,881 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 23:41:28,881 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 23:41:28,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 23:41:28,882 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 23:41:28,882 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-15 23:41:28,882 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-15 23:41:28,882 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 23:41:28,883 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 23:41:28,883 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 23:41:28,883 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 23:41:28,883 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 23:41:28,884 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 23:41:28,884 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 23:41:28,884 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 23:41:28,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:41:28,884 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 23:41:28,885 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 23:41:28,885 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 23:41:28,885 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-15 23:41:28,885 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-15 23:41:28,886 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 23:41:28,886 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-15 23:41:28,886 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/run_dir_be237fc1-c70f-4b11-8d7d-fc64451695c4/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 -> 081edffa49857299d91f7754d14f9c862a699261 [2019-11-15 23:41:28,915 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 23:41:28,924 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 23:41:28,928 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 23:41:28,929 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 23:41:28,930 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 23:41:28,930 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_be237fc1-c70f-4b11-8d7d-fc64451695c4/bin/uautomizer/../../sv-benchmarks/c/pthread-ext/31_simple_loop5_vs.i [2019-11-15 23:41:28,982 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_be237fc1-c70f-4b11-8d7d-fc64451695c4/bin/uautomizer/data/f5da30944/8bce2364c77043b09c0011fb044fedec/FLAG94ca87b61 [2019-11-15 23:41:29,408 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 23:41:29,416 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_be237fc1-c70f-4b11-8d7d-fc64451695c4/sv-benchmarks/c/pthread-ext/31_simple_loop5_vs.i [2019-11-15 23:41:29,428 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_be237fc1-c70f-4b11-8d7d-fc64451695c4/bin/uautomizer/data/f5da30944/8bce2364c77043b09c0011fb044fedec/FLAG94ca87b61 [2019-11-15 23:41:29,711 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_be237fc1-c70f-4b11-8d7d-fc64451695c4/bin/uautomizer/data/f5da30944/8bce2364c77043b09c0011fb044fedec [2019-11-15 23:41:29,713 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 23:41:29,714 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 23:41:29,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 23:41:29,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 23:41:29,721 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 23:41:29,722 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:41:29" (1/1) ... [2019-11-15 23:41:29,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bcc20d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:41:29, skipping insertion in model container [2019-11-15 23:41:29,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:41:29" (1/1) ... [2019-11-15 23:41:29,732 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 23:41:29,783 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 23:41:30,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:41:30,249 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 23:41:30,320 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:41:30,397 INFO L192 MainTranslator]: Completed translation [2019-11-15 23:41:30,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:41:30 WrapperNode [2019-11-15 23:41:30,398 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 23:41:30,399 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 23:41:30,399 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 23:41:30,400 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 23:41:30,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:41:30" (1/1) ... [2019-11-15 23:41:30,425 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:41:30" (1/1) ... [2019-11-15 23:41:30,443 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 23:41:30,443 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 23:41:30,443 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 23:41:30,443 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 23:41:30,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:41:30" (1/1) ... [2019-11-15 23:41:30,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:41:30" (1/1) ... [2019-11-15 23:41:30,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:41:30" (1/1) ... [2019-11-15 23:41:30,452 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:41:30" (1/1) ... [2019-11-15 23:41:30,459 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:41:30" (1/1) ... [2019-11-15 23:41:30,464 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:41:30" (1/1) ... [2019-11-15 23:41:30,466 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:41:30" (1/1) ... [2019-11-15 23:41:30,469 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 23:41:30,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 23:41:30,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 23:41:30,470 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 23:41:30,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:41:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_be237fc1-c70f-4b11-8d7d-fc64451695c4/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 [2019-11-15 23:41:30,528 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2019-11-15 23:41:30,528 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2019-11-15 23:41:30,528 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-11-15 23:41:30,529 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-11-15 23:41:30,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 23:41:30,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 23:41:30,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-15 23:41:30,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 23:41:30,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 23:41:30,531 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-15 23:41:30,662 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-11-15 23:41:30,663 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-11-15 23:41:30,720 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-11-15 23:41:30,721 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-11-15 23:41:30,790 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 23:41:30,790 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-15 23:41:30,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:41:30 BoogieIcfgContainer [2019-11-15 23:41:30,791 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 23:41:30,792 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 23:41:30,792 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 23:41:30,795 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 23:41:30,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 11:41:29" (1/3) ... [2019-11-15 23:41:30,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d6bae67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:41:30, skipping insertion in model container [2019-11-15 23:41:30,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:41:30" (2/3) ... [2019-11-15 23:41:30,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d6bae67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:41:30, skipping insertion in model container [2019-11-15 23:41:30,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:41:30" (3/3) ... [2019-11-15 23:41:30,798 INFO L109 eAbstractionObserver]: Analyzing ICFG 31_simple_loop5_vs.i [2019-11-15 23:41:30,826 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:41:30,826 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:41:30,826 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:41:30,826 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:41:30,827 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:41:30,827 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:41:30,828 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:41:30,828 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:41:30,828 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:41:30,828 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:41:30,829 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:41:30,829 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:41:30,839 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-15 23:41:30,839 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 23:41:30,846 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-11-15 23:41:30,856 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-11-15 23:41:30,869 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 23:41:30,869 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 23:41:30,869 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 23:41:30,869 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 23:41:30,869 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 23:41:30,870 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 23:41:30,870 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 23:41:30,870 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 23:41:30,877 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 44 transitions [2019-11-15 23:41:30,899 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_thr2 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) [2019-11-15 23:41:30,903 INFO L168 Benchmark]: Toolchain (without parser) took 1188.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -157.3 MB). Peak memory consumption was 3.1 MB. Max. memory is 11.5 GB. [2019-11-15 23:41:30,904 INFO L168 Benchmark]: CDTParser took 0.26 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. [2019-11-15 23:41:30,905 INFO L168 Benchmark]: CACSL2BoogieTranslator took 681.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -187.9 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-11-15 23:41:30,905 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.13 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. [2019-11-15 23:41:30,905 INFO L168 Benchmark]: Boogie Preprocessor took 26.82 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. [2019-11-15 23:41:30,906 INFO L168 Benchmark]: RCFGBuilder took 321.26 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: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2019-11-15 23:41:30,907 INFO L168 Benchmark]: TraceAbstraction took 109.40 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-15 23:41:30,910 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 681.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -187.9 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.13 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. * Boogie Preprocessor took 26.82 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 321.26 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: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 109.40 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: 6.6 MB). Peak memory consumption was 6.6 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_thr2 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr2: 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...