./Ultimate.py --spec ../../sv-benchmarks/c/ConcurrencySafety.prp --file ../../sv-benchmarks/c/pthread-wmm/safe008_pso.opt_false-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_43bb31cb-2c28-41e8-a0b0-a1dfb67ce6fd/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_43bb31cb-2c28-41e8-a0b0-a1dfb67ce6fd/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_43bb31cb-2c28-41e8-a0b0-a1dfb67ce6fd/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_43bb31cb-2c28-41e8-a0b0-a1dfb67ce6fd/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe008_pso.opt_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_43bb31cb-2c28-41e8-a0b0-a1dfb67ce6fd/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_43bb31cb-2c28-41e8-a0b0-a1dfb67ce6fd/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 191dc7228b29cef02fce41d14158231334ca78e0 ................................................................................................................................................................................................................. 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_43bb31cb-2c28-41e8-a0b0-a1dfb67ce6fd/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_43bb31cb-2c28-41e8-a0b0-a1dfb67ce6fd/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_43bb31cb-2c28-41e8-a0b0-a1dfb67ce6fd/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_43bb31cb-2c28-41e8-a0b0-a1dfb67ce6fd/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe008_pso.opt_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_43bb31cb-2c28-41e8-a0b0-a1dfb67ce6fd/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_43bb31cb-2c28-41e8-a0b0-a1dfb67ce6fd/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 191dc7228b29cef02fce41d14158231334ca78e0 ................................................................................................................................................................................................... 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 [2018-11-10 05:01:49,501 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:01:49,502 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:01:49,508 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:01:49,508 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:01:49,509 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:01:49,509 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:01:49,510 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:01:49,512 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:01:49,512 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:01:49,513 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:01:49,513 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:01:49,513 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:01:49,514 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:01:49,515 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:01:49,515 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:01:49,515 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:01:49,516 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:01:49,517 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:01:49,518 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:01:49,519 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:01:49,519 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:01:49,520 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:01:49,520 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:01:49,520 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:01:49,521 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:01:49,521 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:01:49,522 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:01:49,522 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:01:49,523 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:01:49,523 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:01:49,524 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:01:49,524 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:01:49,524 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:01:49,525 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:01:49,525 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:01:49,525 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_43bb31cb-2c28-41e8-a0b0-a1dfb67ce6fd/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 05:01:49,532 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:01:49,532 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:01:49,533 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:01:49,533 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 05:01:49,533 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 05:01:49,533 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 05:01:49,534 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 05:01:49,534 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 05:01:49,534 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 05:01:49,534 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 05:01:49,534 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 05:01:49,535 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:01:49,535 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 05:01:49,535 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 05:01:49,535 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 05:01:49,535 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:01:49,535 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:01:49,535 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:01:49,535 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:01:49,536 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 05:01:49,536 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:01:49,536 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:01:49,536 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:01:49,536 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 05:01:49,536 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:01:49,536 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 05:01:49,537 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 05:01:49,537 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:01:49,537 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:01:49,537 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:01:49,537 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 05:01:49,537 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:01:49,537 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 05:01:49,537 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 05:01:49,538 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_43bb31cb-2c28-41e8-a0b0-a1dfb67ce6fd/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 -> 191dc7228b29cef02fce41d14158231334ca78e0 [2018-11-10 05:01:49,560 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:01:49,569 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:01:49,572 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:01:49,573 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:01:49,573 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:01:49,574 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_43bb31cb-2c28-41e8-a0b0-a1dfb67ce6fd/bin-2019/utaipan/../../sv-benchmarks/c/pthread-wmm/safe008_pso.opt_false-unreach-call.i [2018-11-10 05:01:49,617 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_43bb31cb-2c28-41e8-a0b0-a1dfb67ce6fd/bin-2019/utaipan/data/a5eee386a/ed05d92ae26e4d56b5db96d2f6249911/FLAG7b8e35fd0 [2018-11-10 05:01:49,998 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:01:49,999 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_43bb31cb-2c28-41e8-a0b0-a1dfb67ce6fd/sv-benchmarks/c/pthread-wmm/safe008_pso.opt_false-unreach-call.i [2018-11-10 05:01:50,012 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_43bb31cb-2c28-41e8-a0b0-a1dfb67ce6fd/bin-2019/utaipan/data/a5eee386a/ed05d92ae26e4d56b5db96d2f6249911/FLAG7b8e35fd0 [2018-11-10 05:01:50,021 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_43bb31cb-2c28-41e8-a0b0-a1dfb67ce6fd/bin-2019/utaipan/data/a5eee386a/ed05d92ae26e4d56b5db96d2f6249911 [2018-11-10 05:01:50,023 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:01:50,024 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 05:01:50,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:01:50,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:01:50,027 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:01:50,028 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:01:50" (1/1) ... [2018-11-10 05:01:50,029 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@572af1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:50, skipping insertion in model container [2018-11-10 05:01:50,029 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:01:50" (1/1) ... [2018-11-10 05:01:50,035 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:01:50,065 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:01:50,291 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:01:50,295 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:01:50,342 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:01:50,375 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:01:50,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:50 WrapperNode [2018-11-10 05:01:50,375 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:01:50,376 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 05:01:50,376 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 05:01:50,376 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 05:01:50,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:50" (1/1) ... [2018-11-10 05:01:50,443 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:50" (1/1) ... [2018-11-10 05:01:50,467 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 05:01:50,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:01:50,468 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:01:50,468 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:01:50,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:50" (1/1) ... [2018-11-10 05:01:50,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:50" (1/1) ... [2018-11-10 05:01:50,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:50" (1/1) ... [2018-11-10 05:01:50,480 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:50" (1/1) ... [2018-11-10 05:01:50,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:50" (1/1) ... [2018-11-10 05:01:50,490 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:50" (1/1) ... [2018-11-10 05:01:50,493 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:50" (1/1) ... [2018-11-10 05:01:50,496 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:01:50,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:01:50,496 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:01:50,496 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:01:50,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_43bb31cb-2c28-41e8-a0b0-a1dfb67ce6fd/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 [2018-11-10 05:01:50,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-10 05:01:50,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-10 05:01:50,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 05:01:50,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 05:01:50,533 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 05:01:50,533 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 05:01:50,533 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-11-10 05:01:50,533 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-11-10 05:01:50,533 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-11-10 05:01:50,533 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-11-10 05:01:50,533 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2018-11-10 05:01:50,533 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2018-11-10 05:01:50,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:01:50,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:01:50,535 WARN L200 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-10 05:01:51,121 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:01:51,148 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 05:01:51,148 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 05:01:51,149 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-10 05:01:51,151 INFO L168 Benchmark]: Toolchain (without parser) took 1127.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -107.0 MB). Peak memory consumption was 41.4 MB. Max. memory is 11.5 GB. [2018-11-10 05:01:51,152 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:01:51,153 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.54 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 920.1 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-10 05:01:51,153 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 920.1 MB in the beginning and 1.1 GB in the end (delta: -221.8 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2018-11-10 05:01:51,154 INFO L168 Benchmark]: Boogie Preprocessor took 28.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:01:51,154 INFO L168 Benchmark]: RCFGBuilder took 654.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 74.6 MB). Peak memory consumption was 74.6 MB. Max. memory is 11.5 GB. [2018-11-10 05:01:51,156 INFO L336 ainManager$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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 350.54 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 920.1 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 92.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 920.1 MB in the beginning and 1.1 GB in the end (delta: -221.8 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.01 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 654.59 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: 74.6 MB). Peak memory consumption was 74.6 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 [2018-11-10 05:01:52,578 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:01:52,580 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:01:52,588 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:01:52,588 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:01:52,589 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:01:52,589 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:01:52,590 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:01:52,591 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:01:52,592 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:01:52,592 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:01:52,593 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:01:52,593 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:01:52,594 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:01:52,595 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:01:52,595 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:01:52,596 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:01:52,597 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:01:52,598 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:01:52,599 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:01:52,599 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:01:52,600 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:01:52,602 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:01:52,602 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:01:52,602 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:01:52,603 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:01:52,603 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:01:52,604 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:01:52,604 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:01:52,605 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:01:52,605 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:01:52,605 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:01:52,606 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:01:52,606 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:01:52,606 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:01:52,607 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:01:52,607 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_43bb31cb-2c28-41e8-a0b0-a1dfb67ce6fd/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-10 05:01:52,617 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:01:52,617 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:01:52,617 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:01:52,617 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 05:01:52,618 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 05:01:52,618 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 05:01:52,618 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 05:01:52,618 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 05:01:52,619 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:01:52,619 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 05:01:52,619 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 05:01:52,619 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:01:52,619 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:01:52,619 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:01:52,619 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:01:52,619 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 05:01:52,620 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 05:01:52,620 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 05:01:52,620 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:01:52,620 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:01:52,620 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:01:52,620 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 05:01:52,621 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:01:52,621 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 05:01:52,621 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 05:01:52,621 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:01:52,621 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:01:52,621 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:01:52,621 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 05:01:52,621 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:01:52,622 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 05:01:52,622 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 05:01:52,622 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_43bb31cb-2c28-41e8-a0b0-a1dfb67ce6fd/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 -> 191dc7228b29cef02fce41d14158231334ca78e0 [2018-11-10 05:01:52,652 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:01:52,661 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:01:52,663 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:01:52,664 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:01:52,665 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:01:52,665 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_43bb31cb-2c28-41e8-a0b0-a1dfb67ce6fd/bin-2019/utaipan/../../sv-benchmarks/c/pthread-wmm/safe008_pso.opt_false-unreach-call.i [2018-11-10 05:01:52,709 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_43bb31cb-2c28-41e8-a0b0-a1dfb67ce6fd/bin-2019/utaipan/data/a2a45e0ea/dd62baa66cfb4db2a1afe4335afb1af7/FLAGffde88878 [2018-11-10 05:01:53,093 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:01:53,093 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_43bb31cb-2c28-41e8-a0b0-a1dfb67ce6fd/sv-benchmarks/c/pthread-wmm/safe008_pso.opt_false-unreach-call.i [2018-11-10 05:01:53,104 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_43bb31cb-2c28-41e8-a0b0-a1dfb67ce6fd/bin-2019/utaipan/data/a2a45e0ea/dd62baa66cfb4db2a1afe4335afb1af7/FLAGffde88878 [2018-11-10 05:01:53,113 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_43bb31cb-2c28-41e8-a0b0-a1dfb67ce6fd/bin-2019/utaipan/data/a2a45e0ea/dd62baa66cfb4db2a1afe4335afb1af7 [2018-11-10 05:01:53,116 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:01:53,117 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 05:01:53,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:01:53,118 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:01:53,120 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:01:53,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:01:53" (1/1) ... [2018-11-10 05:01:53,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e1e6fe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:53, skipping insertion in model container [2018-11-10 05:01:53,122 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:01:53" (1/1) ... [2018-11-10 05:01:53,130 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:01:53,164 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:01:53,414 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:01:53,420 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:01:53,468 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:01:53,515 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:01:53,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:53 WrapperNode [2018-11-10 05:01:53,516 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:01:53,516 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 05:01:53,516 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 05:01:53,516 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 05:01:53,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:53" (1/1) ... [2018-11-10 05:01:53,532 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:53" (1/1) ... [2018-11-10 05:01:53,596 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 05:01:53,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:01:53,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:01:53,597 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:01:53,603 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:53" (1/1) ... [2018-11-10 05:01:53,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:53" (1/1) ... [2018-11-10 05:01:53,605 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:53" (1/1) ... [2018-11-10 05:01:53,606 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:53" (1/1) ... [2018-11-10 05:01:53,611 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:53" (1/1) ... [2018-11-10 05:01:53,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:53" (1/1) ... [2018-11-10 05:01:53,615 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:53" (1/1) ... [2018-11-10 05:01:53,617 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:01:53,617 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:01:53,618 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:01:53,618 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:01:53,618 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_43bb31cb-2c28-41e8-a0b0-a1dfb67ce6fd/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 [2018-11-10 05:01:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-10 05:01:53,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-10 05:01:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 05:01:53,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 05:01:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 05:01:53,652 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 05:01:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-11-10 05:01:53,652 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-11-10 05:01:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-11-10 05:01:53,652 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-11-10 05:01:53,653 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2018-11-10 05:01:53,653 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2018-11-10 05:01:53,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:01:53,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:01:53,654 WARN L200 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-10 05:01:54,218 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:01:54,245 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 05:01:54,246 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 05:01:54,246 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-10 05:01:54,249 INFO L168 Benchmark]: Toolchain (without parser) took 1132.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -112.4 MB). Peak memory consumption was 44.4 MB. Max. memory is 11.5 GB. [2018-11-10 05:01:54,250 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:01:54,250 INFO L168 Benchmark]: CACSL2BoogieTranslator took 398.33 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 904.9 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-10 05:01:54,251 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 904.9 MB in the beginning and 1.1 GB in the end (delta: -239.0 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2018-11-10 05:01:54,251 INFO L168 Benchmark]: Boogie Preprocessor took 20.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:01:54,251 INFO L168 Benchmark]: RCFGBuilder took 630.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 89.1 MB). Peak memory consumption was 89.1 MB. Max. memory is 11.5 GB. [2018-11-10 05:01:54,253 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 398.33 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 904.9 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 80.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 904.9 MB in the beginning and 1.1 GB in the end (delta: -239.0 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 630.92 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: 89.1 MB). Peak memory consumption was 89.1 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...