./Ultimate.py --spec ../../sv-benchmarks/c/ConcurrencySafety.prp --file ../../sv-benchmarks/c/pthread/stateful01_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_632d066f-2eb1-4b72-8b17-12b7ed996814/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_632d066f-2eb1-4b72-8b17-12b7ed996814/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_632d066f-2eb1-4b72-8b17-12b7ed996814/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_632d066f-2eb1-4b72-8b17-12b7ed996814/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/stateful01_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_632d066f-2eb1-4b72-8b17-12b7ed996814/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_632d066f-2eb1-4b72-8b17-12b7ed996814/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 e5f5aaf67a26d8d63c558ff93d16121c180b5259 .................................................................................................................................................................................................................................................................... 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_632d066f-2eb1-4b72-8b17-12b7ed996814/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_632d066f-2eb1-4b72-8b17-12b7ed996814/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_632d066f-2eb1-4b72-8b17-12b7ed996814/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_632d066f-2eb1-4b72-8b17-12b7ed996814/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/stateful01_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_632d066f-2eb1-4b72-8b17-12b7ed996814/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_632d066f-2eb1-4b72-8b17-12b7ed996814/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 e5f5aaf67a26d8d63c558ff93d16121c180b5259 .................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: analysis for sequential programs does not support fork/join --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 13:08:19,665 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:08:19,665 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:08:19,674 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:08:19,674 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:08:19,674 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:08:19,675 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:08:19,676 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:08:19,677 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:08:19,677 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:08:19,678 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:08:19,678 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:08:19,679 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:08:19,680 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:08:19,680 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:08:19,681 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:08:19,682 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:08:19,683 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:08:19,684 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:08:19,685 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:08:19,686 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:08:19,687 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:08:19,688 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:08:19,689 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:08:19,689 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:08:19,689 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:08:19,690 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:08:19,690 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:08:19,691 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:08:19,692 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:08:19,692 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:08:19,692 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:08:19,692 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:08:19,693 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:08:19,693 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:08:19,694 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:08:19,694 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_632d066f-2eb1-4b72-8b17-12b7ed996814/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 13:08:19,702 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:08:19,702 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:08:19,703 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:08:19,703 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 13:08:19,703 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 13:08:19,704 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 13:08:19,704 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 13:08:19,704 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 13:08:19,704 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 13:08:19,704 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 13:08:19,704 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 13:08:19,704 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 13:08:19,704 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 13:08:19,705 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:08:19,705 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:08:19,705 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:08:19,705 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:08:19,706 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:08:19,706 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:08:19,706 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:08:19,706 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:08:19,706 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:08:19,706 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:08:19,706 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:08:19,707 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:08:19,707 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:08:19,707 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:08:19,707 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:08:19,707 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:08:19,707 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:08:19,707 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:08:19,708 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:08:19,708 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:08:19,708 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 13:08:19,708 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:08:19,708 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:08:19,708 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 13:08:19,708 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_632d066f-2eb1-4b72-8b17-12b7ed996814/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 -> e5f5aaf67a26d8d63c558ff93d16121c180b5259 [2018-11-18 13:08:19,732 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:08:19,742 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:08:19,744 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:08:19,746 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:08:19,746 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:08:19,746 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_632d066f-2eb1-4b72-8b17-12b7ed996814/bin-2019/utaipan/../../sv-benchmarks/c/pthread/stateful01_false-unreach-call.i [2018-11-18 13:08:19,794 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_632d066f-2eb1-4b72-8b17-12b7ed996814/bin-2019/utaipan/data/b3219d6db/674b68737c8046178e3613326cc2dade/FLAG0d7959599 [2018-11-18 13:08:20,230 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:08:20,230 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_632d066f-2eb1-4b72-8b17-12b7ed996814/sv-benchmarks/c/pthread/stateful01_false-unreach-call.i [2018-11-18 13:08:20,237 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_632d066f-2eb1-4b72-8b17-12b7ed996814/bin-2019/utaipan/data/b3219d6db/674b68737c8046178e3613326cc2dade/FLAG0d7959599 [2018-11-18 13:08:20,246 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_632d066f-2eb1-4b72-8b17-12b7ed996814/bin-2019/utaipan/data/b3219d6db/674b68737c8046178e3613326cc2dade [2018-11-18 13:08:20,248 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:08:20,248 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:08:20,249 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:08:20,249 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:08:20,252 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:08:20,253 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:08:20" (1/1) ... [2018-11-18 13:08:20,255 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78bfd1ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:20, skipping insertion in model container [2018-11-18 13:08:20,255 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:08:20" (1/1) ... [2018-11-18 13:08:20,262 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:08:20,293 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:08:20,479 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:08:20,488 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:08:20,560 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:08:20,604 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:08:20,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:20 WrapperNode [2018-11-18 13:08:20,604 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:08:20,605 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:08:20,605 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:08:20,605 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:08:20,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:20" (1/1) ... [2018-11-18 13:08:20,626 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:20" (1/1) ... [2018-11-18 13:08:20,632 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:08:20,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:08:20,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:08:20,632 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:08:20,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:20" (1/1) ... [2018-11-18 13:08:20,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:20" (1/1) ... [2018-11-18 13:08:20,642 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:20" (1/1) ... [2018-11-18 13:08:20,643 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:20" (1/1) ... [2018-11-18 13:08:20,648 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:20" (1/1) ... [2018-11-18 13:08:20,650 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:20" (1/1) ... [2018-11-18 13:08:20,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:20" (1/1) ... [2018-11-18 13:08:20,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:08:20,654 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:08:20,654 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:08:20,654 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:08:20,654 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_632d066f-2eb1-4b72-8b17-12b7ed996814/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 [2018-11-18 13:08:20,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 13:08:20,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:08:20,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 13:08:20,700 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2018-11-18 13:08:20,700 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2018-11-18 13:08:20,700 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2018-11-18 13:08:20,700 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2018-11-18 13:08:20,700 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2018-11-18 13:08:20,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:08:20,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:08:20,701 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:08:20,701 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:08:20,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 13:08:20,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:08:20,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:08:20,702 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-18 13:08:21,059 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:08:21,085 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:21,085 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:21,085 WARN L317 ript$VariableManager]: TermVariabe Thread0_thread1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:21,085 WARN L317 ript$VariableManager]: TermVariabe Thread0_thread1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:21,085 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:21,086 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:21,086 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:21,086 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:21,086 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:21,086 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:21,087 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:21,087 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:21,087 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:21,087 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:21,087 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:21,088 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:21,088 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:21,088 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:21,088 WARN L317 ript$VariableManager]: TermVariabe Thread1_thread2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:21,088 WARN L317 ript$VariableManager]: TermVariabe Thread1_thread2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:21,089 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:21,089 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:21,089 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:21,089 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:21,089 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:21,090 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:21,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:08:21 BasicIcfg [2018-11-18 13:08:21,105 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:08:21,105 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:08:21,105 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:08:21,108 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:08:21,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:08:20" (1/3) ... [2018-11-18 13:08:21,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6161e38f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:08:21, skipping insertion in model container [2018-11-18 13:08:21,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:20" (2/3) ... [2018-11-18 13:08:21,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6161e38f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:08:21, skipping insertion in model container [2018-11-18 13:08:21,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:08:21" (3/3) ... [2018-11-18 13:08:21,111 INFO L112 eAbstractionObserver]: Analyzing ICFG stateful01_false-unreach-call.i_BEv2 [2018-11-18 13:08:21,121 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:08:21,129 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-11-18 13:08:21,145 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-11-18 13:08:21,174 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:08:21,174 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 13:08:21,174 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:08:21,175 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:08:21,175 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:08:21,175 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:08:21,175 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:08:21,175 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:08:21,186 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: analysis for sequential programs does not support fork/join at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomaton(CFG2NestedWordAutomaton.java:234) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomatonWithSPredicates(CFG2NestedWordAutomaton.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:316) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:402) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-18 13:08:21,189 INFO L168 Benchmark]: Toolchain (without parser) took 941.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -120.6 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2018-11-18 13:08:21,191 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:08:21,191 INFO L168 Benchmark]: CACSL2BoogieTranslator took 355.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -162.3 MB). Peak memory consumption was 37.8 MB. Max. memory is 11.5 GB. [2018-11-18 13:08:21,192 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.32 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:08:21,193 INFO L168 Benchmark]: Boogie Preprocessor took 21.21 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. [2018-11-18 13:08:21,193 INFO L168 Benchmark]: RCFGBuilder took 451.01 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: 33.7 MB). Peak memory consumption was 33.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:08:21,193 INFO L168 Benchmark]: TraceAbstraction took 83.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:08:21,196 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 355.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -162.3 MB). Peak memory consumption was 37.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.32 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.21 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 451.01 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: 33.7 MB). Peak memory consumption was 33.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 83.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: analysis for sequential programs does not support fork/join de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: analysis for sequential programs does not support fork/join: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomaton(CFG2NestedWordAutomaton.java:234) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 13:08:22,663 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:08:22,664 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:08:22,673 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:08:22,673 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:08:22,674 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:08:22,674 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:08:22,676 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:08:22,677 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:08:22,677 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:08:22,678 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:08:22,678 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:08:22,679 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:08:22,679 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:08:22,680 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:08:22,680 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:08:22,681 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:08:22,682 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:08:22,683 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:08:22,684 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:08:22,685 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:08:22,686 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:08:22,688 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:08:22,688 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:08:22,688 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:08:22,689 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:08:22,689 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:08:22,690 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:08:22,690 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:08:22,691 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:08:22,691 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:08:22,692 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:08:22,692 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:08:22,692 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:08:22,693 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:08:22,693 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:08:22,693 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_632d066f-2eb1-4b72-8b17-12b7ed996814/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 13:08:22,703 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:08:22,703 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:08:22,704 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:08:22,704 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 13:08:22,704 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 13:08:22,704 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 13:08:22,704 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 13:08:22,704 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 13:08:22,705 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 13:08:22,705 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 13:08:22,705 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:08:22,705 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:08:22,705 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:08:22,706 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:08:22,706 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:08:22,706 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:08:22,706 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:08:22,706 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 13:08:22,706 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 13:08:22,706 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:08:22,706 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:08:22,707 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:08:22,707 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:08:22,707 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:08:22,707 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:08:22,707 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:08:22,707 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:08:22,707 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:08:22,707 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:08:22,708 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:08:22,708 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:08:22,708 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 13:08:22,708 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:08:22,708 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 13:08:22,708 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 13:08:22,708 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_632d066f-2eb1-4b72-8b17-12b7ed996814/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 -> e5f5aaf67a26d8d63c558ff93d16121c180b5259 [2018-11-18 13:08:22,737 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:08:22,746 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:08:22,749 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:08:22,750 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:08:22,751 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:08:22,751 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_632d066f-2eb1-4b72-8b17-12b7ed996814/bin-2019/utaipan/../../sv-benchmarks/c/pthread/stateful01_false-unreach-call.i [2018-11-18 13:08:22,797 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_632d066f-2eb1-4b72-8b17-12b7ed996814/bin-2019/utaipan/data/8696c8fab/311b3edf1d01465a878ecc2f47bc90b3/FLAGf0a51a728 [2018-11-18 13:08:23,161 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:08:23,162 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_632d066f-2eb1-4b72-8b17-12b7ed996814/sv-benchmarks/c/pthread/stateful01_false-unreach-call.i [2018-11-18 13:08:23,171 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_632d066f-2eb1-4b72-8b17-12b7ed996814/bin-2019/utaipan/data/8696c8fab/311b3edf1d01465a878ecc2f47bc90b3/FLAGf0a51a728 [2018-11-18 13:08:23,183 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_632d066f-2eb1-4b72-8b17-12b7ed996814/bin-2019/utaipan/data/8696c8fab/311b3edf1d01465a878ecc2f47bc90b3 [2018-11-18 13:08:23,186 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:08:23,187 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:08:23,187 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:08:23,187 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:08:23,190 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:08:23,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:08:23" (1/1) ... [2018-11-18 13:08:23,193 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6db4c11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:23, skipping insertion in model container [2018-11-18 13:08:23,193 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:08:23" (1/1) ... [2018-11-18 13:08:23,201 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:08:23,234 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:08:23,470 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:08:23,480 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:08:23,516 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:08:23,558 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:08:23,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:23 WrapperNode [2018-11-18 13:08:23,558 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:08:23,559 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:08:23,559 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:08:23,559 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:08:23,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:23" (1/1) ... [2018-11-18 13:08:23,628 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:23" (1/1) ... [2018-11-18 13:08:23,634 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:08:23,635 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:08:23,635 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:08:23,635 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:08:23,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:23" (1/1) ... [2018-11-18 13:08:23,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:23" (1/1) ... [2018-11-18 13:08:23,643 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:23" (1/1) ... [2018-11-18 13:08:23,644 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:23" (1/1) ... [2018-11-18 13:08:23,653 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:23" (1/1) ... [2018-11-18 13:08:23,655 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:23" (1/1) ... [2018-11-18 13:08:23,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:23" (1/1) ... [2018-11-18 13:08:23,659 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:08:23,660 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:08:23,660 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:08:23,660 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:08:23,661 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_632d066f-2eb1-4b72-8b17-12b7ed996814/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 [2018-11-18 13:08:23,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:08:23,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 13:08:23,700 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2018-11-18 13:08:23,700 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2018-11-18 13:08:23,700 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2018-11-18 13:08:23,700 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2018-11-18 13:08:23,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-18 13:08:23,701 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2018-11-18 13:08:23,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:08:23,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:08:23,701 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:08:23,701 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:08:23,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 13:08:23,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:08:23,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:08:23,703 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-18 13:08:23,989 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:08:24,005 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:24,005 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:24,005 WARN L317 ript$VariableManager]: TermVariabe Thread0_thread1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:24,006 WARN L317 ript$VariableManager]: TermVariabe Thread0_thread1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:24,006 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:24,006 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:24,006 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:24,006 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:24,006 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:24,007 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:24,007 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:24,007 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:24,007 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:24,007 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:24,007 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:24,007 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:24,008 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:24,008 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:24,008 WARN L317 ript$VariableManager]: TermVariabe Thread1_thread2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:24,008 WARN L317 ript$VariableManager]: TermVariabe Thread1_thread2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:24,008 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:24,008 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:24,009 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:24,009 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:24,009 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:24,009 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:08:24,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:08:24 BasicIcfg [2018-11-18 13:08:24,018 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:08:24,019 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:08:24,019 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:08:24,021 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:08:24,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:08:23" (1/3) ... [2018-11-18 13:08:24,021 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65e5e68c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:08:24, skipping insertion in model container [2018-11-18 13:08:24,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:23" (2/3) ... [2018-11-18 13:08:24,022 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65e5e68c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:08:24, skipping insertion in model container [2018-11-18 13:08:24,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:08:24" (3/3) ... [2018-11-18 13:08:24,023 INFO L112 eAbstractionObserver]: Analyzing ICFG stateful01_false-unreach-call.i_BEv2 [2018-11-18 13:08:24,029 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:08:24,035 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-11-18 13:08:24,045 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-11-18 13:08:24,063 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 13:08:24,064 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:08:24,064 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 13:08:24,064 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:08:24,064 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:08:24,064 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:08:24,064 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:08:24,064 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:08:24,064 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:08:24,070 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: analysis for sequential programs does not support fork/join at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomaton(CFG2NestedWordAutomaton.java:234) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomatonWithSPredicates(CFG2NestedWordAutomaton.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:316) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:402) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-18 13:08:24,072 INFO L168 Benchmark]: Toolchain (without parser) took 886.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -126.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:08:24,073 INFO L168 Benchmark]: CDTParser took 0.17 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. [2018-11-18 13:08:24,074 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.22 ms. Allocated memory is still 1.0 GB. Free memory was 944.4 MB in the beginning and 906.8 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-18 13:08:24,074 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 906.8 MB in the beginning and 1.1 GB in the end (delta: -204.1 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2018-11-18 13:08:24,075 INFO L168 Benchmark]: Boogie Preprocessor took 24.94 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. [2018-11-18 13:08:24,075 INFO L168 Benchmark]: RCFGBuilder took 358.26 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: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. [2018-11-18 13:08:24,075 INFO L168 Benchmark]: TraceAbstraction took 53.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:08:24,078 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 371.22 ms. Allocated memory is still 1.0 GB. Free memory was 944.4 MB in the beginning and 906.8 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 75.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 906.8 MB in the beginning and 1.1 GB in the end (delta: -204.1 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.94 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 358.26 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: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 53.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: analysis for sequential programs does not support fork/join de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: analysis for sequential programs does not support fork/join: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomaton(CFG2NestedWordAutomaton.java:234) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...