./Ultimate.py --spec ../../sv-benchmarks/c/ConcurrencySafety.prp --file ../../sv-benchmarks/c/pthread-ext/38_rand_cas_vs_concur_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a80ad9e0-e096-4615-8fef-d047d9486d22/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a80ad9e0-e096-4615-8fef-d047d9486d22/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a80ad9e0-e096-4615-8fef-d047d9486d22/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a80ad9e0-e096-4615-8fef-d047d9486d22/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/38_rand_cas_vs_concur_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_a80ad9e0-e096-4615-8fef-d047d9486d22/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a80ad9e0-e096-4615-8fef-d047d9486d22/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ca9be13f48412183037f250d422ef670c8f13287 .......................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a80ad9e0-e096-4615-8fef-d047d9486d22/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a80ad9e0-e096-4615-8fef-d047d9486d22/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a80ad9e0-e096-4615-8fef-d047d9486d22/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a80ad9e0-e096-4615-8fef-d047d9486d22/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/38_rand_cas_vs_concur_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_a80ad9e0-e096-4615-8fef-d047d9486d22/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a80ad9e0-e096-4615-8fef-d047d9486d22/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ca9be13f48412183037f250d422ef670c8f13287 ...................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: null --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 05:12:12,804 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:12:12,805 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:12:12,815 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:12:12,815 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:12:12,816 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:12:12,817 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:12:12,818 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:12:12,820 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:12:12,820 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:12:12,821 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:12:12,821 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:12:12,822 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:12:12,823 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:12:12,824 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:12:12,824 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:12:12,825 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:12:12,827 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:12:12,828 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:12:12,829 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:12:12,830 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:12:12,832 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:12:12,834 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:12:12,834 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:12:12,834 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:12:12,835 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:12:12,836 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:12:12,836 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:12:12,837 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:12:12,838 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:12:12,838 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:12:12,839 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:12:12,839 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:12:12,839 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:12:12,840 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:12:12,841 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:12:12,841 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a80ad9e0-e096-4615-8fef-d047d9486d22/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-27 05:12:12,859 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:12:12,860 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:12:12,860 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:12:12,864 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 05:12:12,864 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 05:12:12,864 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 05:12:12,864 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 05:12:12,865 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 05:12:12,865 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 05:12:12,865 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 05:12:12,865 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 05:12:12,866 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:12:12,866 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 05:12:12,866 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 05:12:12,866 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 05:12:12,866 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:12:12,866 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:12:12,867 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:12:12,868 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:12:12,868 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 05:12:12,868 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:12:12,868 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:12:12,868 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:12:12,868 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 05:12:12,868 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:12:12,869 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 05:12:12,869 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:12:12,869 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:12:12,869 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:12:12,869 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:12:12,869 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 05:12:12,869 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:12:12,870 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 05:12:12,870 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 05:12:12,870 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_a80ad9e0-e096-4615-8fef-d047d9486d22/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca9be13f48412183037f250d422ef670c8f13287 [2018-10-27 05:12:12,906 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:12:12,916 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:12:12,919 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:12:12,920 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:12:12,921 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:12:12,921 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a80ad9e0-e096-4615-8fef-d047d9486d22/bin-2019/utaipan/../../sv-benchmarks/c/pthread-ext/38_rand_cas_vs_concur_true-unreach-call.i [2018-10-27 05:12:12,971 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a80ad9e0-e096-4615-8fef-d047d9486d22/bin-2019/utaipan/data/019d69f7e/c73aa3717d99425f8c53157b1716cdaa/FLAG5a96ba2ea [2018-10-27 05:12:13,421 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:12:13,422 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a80ad9e0-e096-4615-8fef-d047d9486d22/sv-benchmarks/c/pthread-ext/38_rand_cas_vs_concur_true-unreach-call.i [2018-10-27 05:12:13,441 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a80ad9e0-e096-4615-8fef-d047d9486d22/bin-2019/utaipan/data/019d69f7e/c73aa3717d99425f8c53157b1716cdaa/FLAG5a96ba2ea [2018-10-27 05:12:13,459 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a80ad9e0-e096-4615-8fef-d047d9486d22/bin-2019/utaipan/data/019d69f7e/c73aa3717d99425f8c53157b1716cdaa [2018-10-27 05:12:13,461 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:12:13,462 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:12:13,463 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:12:13,463 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:12:13,470 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:12:13,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:12:13" (1/1) ... [2018-10-27 05:12:13,472 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ad8fa87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:13, skipping insertion in model container [2018-10-27 05:12:13,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:12:13" (1/1) ... [2018-10-27 05:12:13,480 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:12:13,520 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:12:13,775 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:12:13,786 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:12:13,841 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:12:13,902 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:12:13,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:13 WrapperNode [2018-10-27 05:12:13,902 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:12:13,903 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:12:13,903 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:12:13,903 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:12:13,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:13" (1/1) ... [2018-10-27 05:12:13,923 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:13" (1/1) ... [2018-10-27 05:12:14,007 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:12:14,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:12:14,008 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:12:14,008 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:12:14,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:13" (1/1) ... [2018-10-27 05:12:14,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:13" (1/1) ... [2018-10-27 05:12:14,023 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:13" (1/1) ... [2018-10-27 05:12:14,024 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:13" (1/1) ... [2018-10-27 05:12:14,028 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:13" (1/1) ... [2018-10-27 05:12:14,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:13" (1/1) ... [2018-10-27 05:12:14,049 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:13" (1/1) ... [2018-10-27 05:12:14,051 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:12:14,052 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:12:14,052 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:12:14,052 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:12:14,058 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a80ad9e0-e096-4615-8fef-d047d9486d22/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:12:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-10-27 05:12:14,108 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-10-27 05:12:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 05:12:14,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 05:12:14,109 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 05:12:14,109 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 05:12:14,109 INFO L130 BoogieDeclarations]: Found specification of procedure nC [2018-10-27 05:12:14,109 INFO L138 BoogieDeclarations]: Found implementation of procedure nC [2018-10-27 05:12:14,110 INFO L130 BoogieDeclarations]: Found specification of procedure PseudoRandomUsingAtomic_nex [2018-10-27 05:12:14,110 INFO L138 BoogieDeclarations]: Found implementation of procedure PseudoRandomUsingAtomic_nex [2018-10-27 05:12:14,110 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_CAS [2018-10-27 05:12:14,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_CAS [2018-10-27 05:12:14,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:12:14,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:12:14,111 WARN L200 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-10-27 05:12:15,181 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:12:15,204 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:15,205 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:15,205 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException at de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:250) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:371) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:89) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-27 05:12:15,208 INFO L168 Benchmark]: Toolchain (without parser) took 1747.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 950.4 MB in the beginning and 1.1 GB in the end (delta: -152.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:12:15,210 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:12:15,210 INFO L168 Benchmark]: CACSL2BoogieTranslator took 439.94 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 920.8 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:15,213 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 920.8 MB in the beginning and 1.1 GB in the end (delta: -225.9 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:15,214 INFO L168 Benchmark]: Boogie Preprocessor took 44.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:15,214 INFO L168 Benchmark]: RCFGBuilder took 1156.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:15,218 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 439.94 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 920.8 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 104.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 920.8 MB in the beginning and 1.1 GB in the end (delta: -225.9 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.00 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. * RCFGBuilder took 1156.07 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: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: null de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: null: de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:250) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-27 05:12:17,234 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:12:17,236 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:12:17,245 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:12:17,245 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:12:17,246 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:12:17,247 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:12:17,248 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:12:17,251 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:12:17,251 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:12:17,252 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:12:17,252 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:12:17,253 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:12:17,253 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:12:17,254 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:12:17,255 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:12:17,255 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:12:17,257 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:12:17,258 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:12:17,259 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:12:17,260 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:12:17,261 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:12:17,263 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:12:17,263 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:12:17,263 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:12:17,264 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:12:17,265 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:12:17,266 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:12:17,266 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:12:17,267 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:12:17,267 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:12:17,268 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:12:17,268 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:12:17,268 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:12:17,269 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:12:17,270 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:12:17,270 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a80ad9e0-e096-4615-8fef-d047d9486d22/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-27 05:12:17,282 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:12:17,282 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:12:17,283 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:12:17,283 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 05:12:17,283 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 05:12:17,283 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 05:12:17,283 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 05:12:17,283 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 05:12:17,284 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:12:17,284 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 05:12:17,284 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 05:12:17,284 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:12:17,284 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:12:17,284 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:12:17,285 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:12:17,285 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-27 05:12:17,285 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-27 05:12:17,285 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 05:12:17,285 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:12:17,285 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:12:17,285 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:12:17,286 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 05:12:17,286 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:12:17,286 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 05:12:17,286 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:12:17,286 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:12:17,286 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:12:17,286 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:12:17,287 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-27 05:12:17,287 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:12:17,287 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-27 05:12:17,287 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-27 05:12:17,287 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_a80ad9e0-e096-4615-8fef-d047d9486d22/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca9be13f48412183037f250d422ef670c8f13287 [2018-10-27 05:12:17,325 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:12:17,335 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:12:17,338 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:12:17,340 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:12:17,340 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:12:17,341 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a80ad9e0-e096-4615-8fef-d047d9486d22/bin-2019/utaipan/../../sv-benchmarks/c/pthread-ext/38_rand_cas_vs_concur_true-unreach-call.i [2018-10-27 05:12:17,392 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a80ad9e0-e096-4615-8fef-d047d9486d22/bin-2019/utaipan/data/13cf04db5/6502acd5f69341aa93c6edcad7f9dd2c/FLAG85237c8f4 [2018-10-27 05:12:17,827 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:12:17,828 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a80ad9e0-e096-4615-8fef-d047d9486d22/sv-benchmarks/c/pthread-ext/38_rand_cas_vs_concur_true-unreach-call.i [2018-10-27 05:12:17,844 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a80ad9e0-e096-4615-8fef-d047d9486d22/bin-2019/utaipan/data/13cf04db5/6502acd5f69341aa93c6edcad7f9dd2c/FLAG85237c8f4 [2018-10-27 05:12:17,858 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a80ad9e0-e096-4615-8fef-d047d9486d22/bin-2019/utaipan/data/13cf04db5/6502acd5f69341aa93c6edcad7f9dd2c [2018-10-27 05:12:17,863 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:12:17,865 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:12:17,866 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:12:17,868 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:12:17,871 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:12:17,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:12:17" (1/1) ... [2018-10-27 05:12:17,875 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46f2e524 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:17, skipping insertion in model container [2018-10-27 05:12:17,876 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:12:17" (1/1) ... [2018-10-27 05:12:17,885 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:12:17,925 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:12:18,317 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:12:18,332 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:12:18,392 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:12:18,454 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:12:18,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:18 WrapperNode [2018-10-27 05:12:18,455 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:12:18,455 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:12:18,455 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:12:18,456 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:12:18,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:18" (1/1) ... [2018-10-27 05:12:18,479 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:18" (1/1) ... [2018-10-27 05:12:18,501 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:12:18,501 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:12:18,501 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:12:18,501 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:12:18,510 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:18" (1/1) ... [2018-10-27 05:12:18,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:18" (1/1) ... [2018-10-27 05:12:18,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:18" (1/1) ... [2018-10-27 05:12:18,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:18" (1/1) ... [2018-10-27 05:12:18,521 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:18" (1/1) ... [2018-10-27 05:12:18,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:18" (1/1) ... [2018-10-27 05:12:18,593 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:18" (1/1) ... [2018-10-27 05:12:18,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:12:18,597 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:12:18,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:12:18,597 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:12:18,598 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a80ad9e0-e096-4615-8fef-d047d9486d22/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:12:18,656 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-10-27 05:12:18,656 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-10-27 05:12:18,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 05:12:18,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 05:12:18,658 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 05:12:18,658 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 05:12:18,658 INFO L130 BoogieDeclarations]: Found specification of procedure nC [2018-10-27 05:12:18,658 INFO L138 BoogieDeclarations]: Found implementation of procedure nC [2018-10-27 05:12:18,658 INFO L130 BoogieDeclarations]: Found specification of procedure PseudoRandomUsingAtomic_nex [2018-10-27 05:12:18,658 INFO L138 BoogieDeclarations]: Found implementation of procedure PseudoRandomUsingAtomic_nex [2018-10-27 05:12:18,658 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_CAS [2018-10-27 05:12:18,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_CAS [2018-10-27 05:12:18,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:12:18,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:12:18,661 WARN L200 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-10-27 05:12:19,287 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:12:19,312 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:19,312 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:19,313 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException at de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:250) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:371) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:89) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-27 05:12:19,316 INFO L168 Benchmark]: Toolchain (without parser) took 1451.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 943.9 MB in the beginning and 1.1 GB in the end (delta: -114.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:12:19,317 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:12:19,318 INFO L168 Benchmark]: CACSL2BoogieTranslator took 589.21 ms. Allocated memory is still 1.0 GB. Free memory was 943.9 MB in the beginning and 911.6 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:19,318 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.59 ms. Allocated memory is still 1.0 GB. Free memory was 911.6 MB in the beginning and 906.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:19,319 INFO L168 Benchmark]: Boogie Preprocessor took 95.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 906.3 MB in the beginning and 1.1 GB in the end (delta: -199.7 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:19,319 INFO L168 Benchmark]: RCFGBuilder took 718.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:19,325 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 589.21 ms. Allocated memory is still 1.0 GB. Free memory was 943.9 MB in the beginning and 911.6 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.59 ms. Allocated memory is still 1.0 GB. Free memory was 911.6 MB in the beginning and 906.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 95.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 906.3 MB in the beginning and 1.1 GB in the end (delta: -199.7 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 718.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: null de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: null: de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:250) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...