./Ultimate.py --spec ../../sv-benchmarks/c/ConcurrencySafety.prp --file ../../sv-benchmarks/c/pthread-nondet/nondet-array_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_17b5af69-7616-4bb1-9953-9882ce380817/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_17b5af69-7616-4bb1-9953-9882ce380817/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_17b5af69-7616-4bb1-9953-9882ce380817/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_17b5af69-7616-4bb1-9953-9882ce380817/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-nondet/nondet-array_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_17b5af69-7616-4bb1-9953-9882ce380817/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_17b5af69-7616-4bb1-9953-9882ce380817/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 e6a9b6364e8ccc530209a5e686b9bf3bb352582e .................................................................................................................................................................................................................................. 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_17b5af69-7616-4bb1-9953-9882ce380817/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_17b5af69-7616-4bb1-9953-9882ce380817/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_17b5af69-7616-4bb1-9953-9882ce380817/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_17b5af69-7616-4bb1-9953-9882ce380817/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-nondet/nondet-array_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_17b5af69-7616-4bb1-9953-9882ce380817/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_17b5af69-7616-4bb1-9953-9882ce380817/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 e6a9b6364e8ccc530209a5e686b9bf3bb352582e .................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: unsupported edge IcfgJoinThreadOtherTransition --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 09:07:15,304 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:07:15,306 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:07:15,314 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:07:15,314 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:07:15,315 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:07:15,315 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:07:15,316 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:07:15,317 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:07:15,318 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:07:15,319 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:07:15,319 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:07:15,319 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:07:15,320 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:07:15,321 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:07:15,321 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:07:15,322 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:07:15,323 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:07:15,324 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:07:15,325 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:07:15,326 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:07:15,327 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:07:15,328 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:07:15,329 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:07:15,329 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:07:15,329 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:07:15,330 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:07:15,331 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:07:15,331 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:07:15,332 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:07:15,332 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:07:15,333 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:07:15,333 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:07:15,333 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:07:15,334 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:07:15,334 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:07:15,334 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_17b5af69-7616-4bb1-9953-9882ce380817/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 09:07:15,342 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:07:15,342 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:07:15,343 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:07:15,343 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 09:07:15,343 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 09:07:15,343 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 09:07:15,344 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 09:07:15,344 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 09:07:15,344 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 09:07:15,344 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 09:07:15,344 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 09:07:15,344 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 09:07:15,344 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 09:07:15,345 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:07:15,345 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:07:15,345 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:07:15,345 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:07:15,345 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:07:15,346 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:07:15,346 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:07:15,346 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:07:15,346 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:07:15,346 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:07:15,346 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:07:15,346 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:07:15,347 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:07:15,347 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:07:15,347 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:07:15,347 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 09:07:15,347 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:07:15,347 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:07:15,347 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:07:15,347 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:07:15,348 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 09:07:15,348 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:07:15,348 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 09:07:15,348 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 09:07:15,348 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_17b5af69-7616-4bb1-9953-9882ce380817/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 -> e6a9b6364e8ccc530209a5e686b9bf3bb352582e [2018-11-18 09:07:15,372 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:07:15,381 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:07:15,384 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:07:15,385 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:07:15,385 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:07:15,386 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_17b5af69-7616-4bb1-9953-9882ce380817/bin-2019/utaipan/../../sv-benchmarks/c/pthread-nondet/nondet-array_false-unreach-call.i [2018-11-18 09:07:15,431 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_17b5af69-7616-4bb1-9953-9882ce380817/bin-2019/utaipan/data/8cbd712dd/a9110613da154550b5a3034bbfefbe39/FLAG240408e1b [2018-11-18 09:07:15,873 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:07:15,874 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_17b5af69-7616-4bb1-9953-9882ce380817/sv-benchmarks/c/pthread-nondet/nondet-array_false-unreach-call.i [2018-11-18 09:07:15,884 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_17b5af69-7616-4bb1-9953-9882ce380817/bin-2019/utaipan/data/8cbd712dd/a9110613da154550b5a3034bbfefbe39/FLAG240408e1b [2018-11-18 09:07:15,892 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_17b5af69-7616-4bb1-9953-9882ce380817/bin-2019/utaipan/data/8cbd712dd/a9110613da154550b5a3034bbfefbe39 [2018-11-18 09:07:15,894 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:07:15,895 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:07:15,895 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:07:15,895 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:07:15,898 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:07:15,899 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:07:15" (1/1) ... [2018-11-18 09:07:15,901 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39973092 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:07:15, skipping insertion in model container [2018-11-18 09:07:15,901 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:07:15" (1/1) ... [2018-11-18 09:07:15,908 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:07:15,935 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:07:16,154 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:07:16,168 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:07:16,245 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:07:16,291 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:07:16,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:07:16 WrapperNode [2018-11-18 09:07:16,292 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:07:16,293 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:07:16,293 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:07:16,293 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:07:16,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:07:16" (1/1) ... [2018-11-18 09:07:16,307 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:07:16" (1/1) ... [2018-11-18 09:07:16,312 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:07:16,312 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:07:16,312 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:07:16,312 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:07:16,317 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:07:16" (1/1) ... [2018-11-18 09:07:16,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:07:16" (1/1) ... [2018-11-18 09:07:16,319 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:07:16" (1/1) ... [2018-11-18 09:07:16,319 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:07:16" (1/1) ... [2018-11-18 09:07:16,326 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:07:16" (1/1) ... [2018-11-18 09:07:16,330 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:07:16" (1/1) ... [2018-11-18 09:07:16,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:07:16" (1/1) ... [2018-11-18 09:07:16,332 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:07:16,333 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:07:16,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:07:16,333 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:07:16,333 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:07:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_17b5af69-7616-4bb1-9953-9882ce380817/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 09:07:16,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 09:07:16,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:07:16,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 09:07:16,371 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-18 09:07:16,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-18 09:07:16,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 09:07:16,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 09:07:16,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 09:07:16,371 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2018-11-18 09:07:16,372 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2018-11-18 09:07:16,372 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 09:07:16,372 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 09:07:16,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 09:07:16,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:07:16,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:07:16,373 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 09:07:16,612 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:07:16,628 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 09:07:16,628 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 09:07:16,628 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 09:07:16,628 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 09:07:16,628 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 09:07:16,629 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 09:07:16,629 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 09:07:16,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:07:16 BasicIcfg [2018-11-18 09:07:16,647 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:07:16,648 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 09:07:16,648 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 09:07:16,650 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 09:07:16,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:07:15" (1/3) ... [2018-11-18 09:07:16,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2028228 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:07:16, skipping insertion in model container [2018-11-18 09:07:16,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:07:16" (2/3) ... [2018-11-18 09:07:16,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2028228 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:07:16, skipping insertion in model container [2018-11-18 09:07:16,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:07:16" (3/3) ... [2018-11-18 09:07:16,654 INFO L112 eAbstractionObserver]: Analyzing ICFG nondet-array_false-unreach-call.i_BEv2 [2018-11-18 09:07:16,660 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 09:07:16,666 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-11-18 09:07:16,675 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-11-18 09:07:16,694 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 09:07:16,694 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 09:07:16,694 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 09:07:16,694 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:07:16,694 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:07:16,694 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 09:07:16,695 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:07:16,695 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 09:07:16,702 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: unsupported edge IcfgJoinThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomaton(CFG2NestedWordAutomaton.java:238) 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 09:07:16,704 INFO L168 Benchmark]: Toolchain (without parser) took 810.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -147.0 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2018-11-18 09:07:16,706 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:07:16,706 INFO L168 Benchmark]: CACSL2BoogieTranslator took 397.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -188.2 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-11-18 09:07:16,707 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.46 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 09:07:16,707 INFO L168 Benchmark]: Boogie Preprocessor took 20.27 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:07:16,707 INFO L168 Benchmark]: RCFGBuilder took 314.92 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: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-11-18 09:07:16,708 INFO L168 Benchmark]: TraceAbstraction took 55.88 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:07:16,710 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 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 397.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -188.2 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.46 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.27 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 314.92 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: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 55.88 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: unsupported edge IcfgJoinThreadOtherTransition de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: unsupported edge IcfgJoinThreadOtherTransition: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomaton(CFG2NestedWordAutomaton.java:238) 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 09:07:18,140 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:07:18,141 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:07:18,149 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:07:18,150 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:07:18,150 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:07:18,151 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:07:18,152 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:07:18,154 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:07:18,154 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:07:18,155 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:07:18,155 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:07:18,156 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:07:18,156 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:07:18,157 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:07:18,158 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:07:18,158 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:07:18,159 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:07:18,161 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:07:18,162 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:07:18,162 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:07:18,163 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:07:18,165 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:07:18,165 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:07:18,165 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:07:18,166 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:07:18,166 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:07:18,167 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:07:18,167 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:07:18,168 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:07:18,168 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:07:18,169 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:07:18,169 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:07:18,169 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:07:18,170 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:07:18,170 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:07:18,170 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_17b5af69-7616-4bb1-9953-9882ce380817/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 09:07:18,181 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:07:18,181 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:07:18,181 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:07:18,182 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 09:07:18,182 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 09:07:18,182 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 09:07:18,182 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 09:07:18,182 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 09:07:18,182 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 09:07:18,182 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 09:07:18,183 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:07:18,183 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:07:18,183 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:07:18,183 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:07:18,183 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:07:18,184 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:07:18,184 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:07:18,184 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 09:07:18,184 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 09:07:18,184 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:07:18,184 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:07:18,184 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:07:18,185 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:07:18,185 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:07:18,185 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:07:18,185 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:07:18,185 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 09:07:18,185 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:07:18,185 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:07:18,186 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:07:18,186 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:07:18,186 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 09:07:18,186 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:07:18,186 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 09:07:18,186 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 09:07:18,186 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_17b5af69-7616-4bb1-9953-9882ce380817/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 -> e6a9b6364e8ccc530209a5e686b9bf3bb352582e [2018-11-18 09:07:18,218 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:07:18,227 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:07:18,229 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:07:18,230 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:07:18,231 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:07:18,231 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_17b5af69-7616-4bb1-9953-9882ce380817/bin-2019/utaipan/../../sv-benchmarks/c/pthread-nondet/nondet-array_false-unreach-call.i [2018-11-18 09:07:18,269 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_17b5af69-7616-4bb1-9953-9882ce380817/bin-2019/utaipan/data/91620414a/834c1e9276104f51ac50a3f010784294/FLAG4eb64341f [2018-11-18 09:07:18,702 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:07:18,703 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_17b5af69-7616-4bb1-9953-9882ce380817/sv-benchmarks/c/pthread-nondet/nondet-array_false-unreach-call.i [2018-11-18 09:07:18,712 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_17b5af69-7616-4bb1-9953-9882ce380817/bin-2019/utaipan/data/91620414a/834c1e9276104f51ac50a3f010784294/FLAG4eb64341f [2018-11-18 09:07:18,719 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_17b5af69-7616-4bb1-9953-9882ce380817/bin-2019/utaipan/data/91620414a/834c1e9276104f51ac50a3f010784294 [2018-11-18 09:07:18,721 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:07:18,722 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:07:18,723 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:07:18,723 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:07:18,726 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:07:18,727 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:07:18" (1/1) ... [2018-11-18 09:07:18,729 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50f4dcc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:07:18, skipping insertion in model container [2018-11-18 09:07:18,729 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:07:18" (1/1) ... [2018-11-18 09:07:18,736 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:07:18,767 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:07:19,034 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:07:19,047 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:07:19,085 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:07:19,200 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:07:19,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:07:19 WrapperNode [2018-11-18 09:07:19,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:07:19,201 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:07:19,201 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:07:19,201 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:07:19,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:07:19" (1/1) ... [2018-11-18 09:07:19,220 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:07:19" (1/1) ... [2018-11-18 09:07:19,227 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:07:19,228 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:07:19,228 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:07:19,228 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:07:19,236 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:07:19" (1/1) ... [2018-11-18 09:07:19,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:07:19" (1/1) ... [2018-11-18 09:07:19,238 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:07:19" (1/1) ... [2018-11-18 09:07:19,239 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:07:19" (1/1) ... [2018-11-18 09:07:19,247 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:07:19" (1/1) ... [2018-11-18 09:07:19,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:07:19" (1/1) ... [2018-11-18 09:07:19,252 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:07:19" (1/1) ... [2018-11-18 09:07:19,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:07:19,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:07:19,256 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:07:19,256 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:07:19,257 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:07:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_17b5af69-7616-4bb1-9953-9882ce380817/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 09:07:19,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:07:19,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 09:07:19,295 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-18 09:07:19,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-18 09:07:19,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-18 09:07:19,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 09:07:19,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 09:07:19,295 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2018-11-18 09:07:19,296 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2018-11-18 09:07:19,296 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 09:07:19,296 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 09:07:19,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 09:07:19,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 09:07:19,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:07:19,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:07:19,297 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 09:07:19,523 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:07:19,536 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 09:07:19,537 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 09:07:19,537 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 09:07:19,537 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 09:07:19,537 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 09:07:19,537 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 09:07:19,537 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 09:07:19,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:07:19 BasicIcfg [2018-11-18 09:07:19,544 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:07:19,545 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 09:07:19,545 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 09:07:19,547 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 09:07:19,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:07:18" (1/3) ... [2018-11-18 09:07:19,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@494c8244 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:07:19, skipping insertion in model container [2018-11-18 09:07:19,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:07:19" (2/3) ... [2018-11-18 09:07:19,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@494c8244 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:07:19, skipping insertion in model container [2018-11-18 09:07:19,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:07:19" (3/3) ... [2018-11-18 09:07:19,550 INFO L112 eAbstractionObserver]: Analyzing ICFG nondet-array_false-unreach-call.i_BEv2 [2018-11-18 09:07:19,556 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 09:07:19,561 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-11-18 09:07:19,569 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-11-18 09:07:19,588 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 09:07:19,589 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 09:07:19,589 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 09:07:19,589 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 09:07:19,589 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:07:19,589 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:07:19,589 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 09:07:19,589 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:07:19,589 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 09:07:19,595 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: unsupported edge IcfgJoinThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomaton(CFG2NestedWordAutomaton.java:238) 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 09:07:19,597 INFO L168 Benchmark]: Toolchain (without parser) took 875.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -145.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:07:19,598 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 09:07:19,598 INFO L168 Benchmark]: CACSL2BoogieTranslator took 477.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -185.8 MB). Peak memory consumption was 56.6 MB. Max. memory is 11.5 GB. [2018-11-18 09:07:19,599 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.81 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 09:07:19,599 INFO L168 Benchmark]: Boogie Preprocessor took 27.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:07:19,600 INFO L168 Benchmark]: RCFGBuilder took 288.39 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: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:07:19,600 INFO L168 Benchmark]: TraceAbstraction took 51.70 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 09:07:19,603 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 477.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -185.8 MB). Peak memory consumption was 56.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.81 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. * Boogie Preprocessor took 27.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 288.39 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: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 51.70 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: unsupported edge IcfgJoinThreadOtherTransition de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: unsupported edge IcfgJoinThreadOtherTransition: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomaton(CFG2NestedWordAutomaton.java:238) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...