./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/40_barrier_vf.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4f09d4df-cab6-4de8-874e-02b1a5b431fd/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4f09d4df-cab6-4de8-874e-02b1a5b431fd/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4f09d4df-cab6-4de8-874e-02b1a5b431fd/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4f09d4df-cab6-4de8-874e-02b1a5b431fd/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/40_barrier_vf.i -s /tmp/vcloud-vcloud-master/worker/working_dir_4f09d4df-cab6-4de8-874e-02b1a5b431fd/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4f09d4df-cab6-4de8-874e-02b1a5b431fd/bin/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 ca0a1e4d7e3711007343b5979fe7978b3c373b5f ..................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4f09d4df-cab6-4de8-874e-02b1a5b431fd/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4f09d4df-cab6-4de8-874e-02b1a5b431fd/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4f09d4df-cab6-4de8-874e-02b1a5b431fd/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4f09d4df-cab6-4de8-874e-02b1a5b431fd/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/40_barrier_vf.i -s /tmp/vcloud-vcloud-master/worker/working_dir_4f09d4df-cab6-4de8-874e-02b1a5b431fd/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4f09d4df-cab6-4de8-874e-02b1a5b431fd/bin/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 ca0a1e4d7e3711007343b5979fe7978b3c373b5f .................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:22:05,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:22:05,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:22:05,317 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:22:05,318 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:22:05,319 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:22:05,320 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:22:05,322 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:22:05,325 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:22:05,332 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:22:05,334 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:22:05,335 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:22:05,335 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:22:05,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:22:05,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:22:05,338 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:22:05,338 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:22:05,342 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:22:05,344 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:22:05,347 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:22:05,351 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:22:05,353 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:22:05,355 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:22:05,357 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:22:05,358 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:22:05,359 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:22:05,359 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:22:05,360 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:22:05,360 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:22:05,361 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:22:05,361 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:22:05,361 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:22:05,362 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:22:05,365 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:22:05,366 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:22:05,367 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:22:05,368 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:22:05,368 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:22:05,368 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:22:05,369 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:22:05,372 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:22:05,372 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4f09d4df-cab6-4de8-874e-02b1a5b431fd/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:22:05,385 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:22:05,397 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:22:05,397 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:22:05,398 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:22:05,398 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:22:05,398 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:22:05,398 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:22:05,398 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:22:05,398 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:22:05,399 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:22:05,399 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:22:05,399 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:22:05,400 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:22:05,400 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:22:05,400 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:22:05,400 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:22:05,400 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:22:05,400 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:22:05,401 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:22:05,401 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:22:05,401 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:22:05,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:22:05,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:22:05,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:22:05,402 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:22:05,402 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:22:05,402 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:22:05,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:22:05,404 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:22:05,404 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:22:05,404 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:22:05,404 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:22:05,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:22:05,405 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:22:05,405 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:22:05,405 INFO L138 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_4f09d4df-cab6-4de8-874e-02b1a5b431fd/bin/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 -> ca0a1e4d7e3711007343b5979fe7978b3c373b5f [2019-10-22 11:22:05,442 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:22:05,454 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:22:05,459 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:22:05,461 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:22:05,461 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:22:05,462 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4f09d4df-cab6-4de8-874e-02b1a5b431fd/bin/utaipan/../../sv-benchmarks/c/pthread-ext/40_barrier_vf.i [2019-10-22 11:22:05,514 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4f09d4df-cab6-4de8-874e-02b1a5b431fd/bin/utaipan/data/fc496a732/e7281ba36a9741c89f1870beb54b09bf/FLAGc8d007c41 [2019-10-22 11:22:05,945 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:22:05,946 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4f09d4df-cab6-4de8-874e-02b1a5b431fd/sv-benchmarks/c/pthread-ext/40_barrier_vf.i [2019-10-22 11:22:05,960 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4f09d4df-cab6-4de8-874e-02b1a5b431fd/bin/utaipan/data/fc496a732/e7281ba36a9741c89f1870beb54b09bf/FLAGc8d007c41 [2019-10-22 11:22:06,295 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4f09d4df-cab6-4de8-874e-02b1a5b431fd/bin/utaipan/data/fc496a732/e7281ba36a9741c89f1870beb54b09bf [2019-10-22 11:22:06,297 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:22:06,298 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:22:06,299 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:06,299 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:22:06,304 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:22:06,304 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:06" (1/1) ... [2019-10-22 11:22:06,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c25380b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:06, skipping insertion in model container [2019-10-22 11:22:06,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:06" (1/1) ... [2019-10-22 11:22:06,315 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:22:06,370 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:22:06,821 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:06,833 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:22:06,900 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:06,977 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:22:06,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:06 WrapperNode [2019-10-22 11:22:06,978 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:06,978 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:06,979 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:22:06,979 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:22:06,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:06" (1/1) ... [2019-10-22 11:22:06,996 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:06" (1/1) ... [2019-10-22 11:22:07,014 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:07,014 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:22:07,015 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:22:07,015 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:22:07,024 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:06" (1/1) ... [2019-10-22 11:22:07,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:06" (1/1) ... [2019-10-22 11:22:07,027 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:06" (1/1) ... [2019-10-22 11:22:07,027 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:06" (1/1) ... [2019-10-22 11:22:07,031 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:06" (1/1) ... [2019-10-22 11:22:07,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:06" (1/1) ... [2019-10-22 11:22:07,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:06" (1/1) ... [2019-10-22 11:22:07,040 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:22:07,040 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:22:07,040 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:22:07,041 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:22:07,041 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f09d4df-cab6-4de8-874e-02b1a5b431fd/bin/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 [2019-10-22 11:22:07,102 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-10-22 11:22:07,102 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-10-22 11:22:07,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 11:22:07,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:22:07,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:22:07,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:22:07,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:22:07,105 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-10-22 11:22:07,217 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-10-22 11:22:07,218 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-10-22 11:22:07,219 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2019-10-22 11:22:07,219 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2019-10-22 11:22:07,489 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:22:07,490 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-10-22 11:22:07,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:07 BoogieIcfgContainer [2019-10-22 11:22:07,491 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:22:07,493 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:22:07,493 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:22:07,495 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:22:07,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:22:06" (1/3) ... [2019-10-22 11:22:07,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cf0875e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:07, skipping insertion in model container [2019-10-22 11:22:07,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:06" (2/3) ... [2019-10-22 11:22:07,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cf0875e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:07, skipping insertion in model container [2019-10-22 11:22:07,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:07" (3/3) ... [2019-10-22 11:22:07,499 INFO L109 eAbstractionObserver]: Analyzing ICFG 40_barrier_vf.i [2019-10-22 11:22:07,526 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:07,526 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:07,527 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:07,527 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:07,527 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:07,528 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:07,528 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:07,528 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:07,529 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:07,529 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:07,537 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-10-22 11:22:07,537 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:22:07,552 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-10-22 11:22:07,564 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-10-22 11:22:07,581 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:22:07,581 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:22:07,582 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:22:07,582 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:22:07,582 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:22:07,582 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:22:07,582 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:22:07,582 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:22:07,591 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 33 places, 35 transitions [2019-10-22 11:22:07,601 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:390) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:128) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-22 11:22:07,606 INFO L168 Benchmark]: Toolchain (without parser) took 1306.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -130.7 MB). Peak memory consumption was 919.4 kB. Max. memory is 11.5 GB. [2019-10-22 11:22:07,607 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:22:07,608 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -166.0 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:07,608 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:22:07,609 INFO L168 Benchmark]: Boogie Preprocessor took 25.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:22:07,609 INFO L168 Benchmark]: RCFGBuilder took 451.13 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: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:07,610 INFO L168 Benchmark]: TraceAbstraction took 111.46 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:07,613 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 678.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -166.0 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.98 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 25.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 451.13 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: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 111.46 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:325) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-10-22 11:22:09,846 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:22:09,848 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:22:09,861 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:22:09,862 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:22:09,863 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:22:09,865 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:22:09,867 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:22:09,870 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:22:09,879 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:22:09,880 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:22:09,881 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:22:09,881 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:22:09,882 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:22:09,882 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:22:09,883 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:22:09,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:22:09,885 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:22:09,886 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:22:09,888 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:22:09,889 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:22:09,890 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:22:09,891 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:22:09,891 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:22:09,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:22:09,893 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:22:09,894 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:22:09,894 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:22:09,895 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:22:09,896 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:22:09,896 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:22:09,896 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:22:09,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:22:09,898 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:22:09,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:22:09,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:22:09,899 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:22:09,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:22:09,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:22:09,900 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:22:09,901 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:22:09,902 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4f09d4df-cab6-4de8-874e-02b1a5b431fd/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-10-22 11:22:09,914 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:22:09,914 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:22:09,915 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:22:09,915 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:22:09,915 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:22:09,915 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:22:09,915 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:22:09,915 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:22:09,916 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:22:09,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:22:09,916 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:22:09,916 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:22:09,917 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:22:09,917 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:22:09,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:22:09,917 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:22:09,917 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:22:09,917 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:22:09,918 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:22:09,918 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:22:09,918 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:22:09,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:22:09,918 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:22:09,919 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:22:09,919 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:22:09,919 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:22:09,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:22:09,919 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:22:09,920 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:22:09,920 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:22:09,920 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:22:09,920 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:22:09,920 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:22:09,920 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:22:09,921 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_4f09d4df-cab6-4de8-874e-02b1a5b431fd/bin/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 -> ca0a1e4d7e3711007343b5979fe7978b3c373b5f [2019-10-22 11:22:09,962 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:22:09,973 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:22:09,976 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:22:09,978 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:22:09,978 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:22:09,979 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4f09d4df-cab6-4de8-874e-02b1a5b431fd/bin/utaipan/../../sv-benchmarks/c/pthread-ext/40_barrier_vf.i [2019-10-22 11:22:10,029 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4f09d4df-cab6-4de8-874e-02b1a5b431fd/bin/utaipan/data/05530a505/bab583caa1164d9cb1fda06f79aa2737/FLAG48ed4337c [2019-10-22 11:22:10,476 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:22:10,477 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4f09d4df-cab6-4de8-874e-02b1a5b431fd/sv-benchmarks/c/pthread-ext/40_barrier_vf.i [2019-10-22 11:22:10,492 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4f09d4df-cab6-4de8-874e-02b1a5b431fd/bin/utaipan/data/05530a505/bab583caa1164d9cb1fda06f79aa2737/FLAG48ed4337c [2019-10-22 11:22:11,007 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4f09d4df-cab6-4de8-874e-02b1a5b431fd/bin/utaipan/data/05530a505/bab583caa1164d9cb1fda06f79aa2737 [2019-10-22 11:22:11,010 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:22:11,012 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:22:11,014 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:11,015 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:22:11,019 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:22:11,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:11" (1/1) ... [2019-10-22 11:22:11,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cbf3e0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:11, skipping insertion in model container [2019-10-22 11:22:11,024 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:11" (1/1) ... [2019-10-22 11:22:11,029 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:22:11,075 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:22:11,532 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:11,546 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:22:11,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:11,654 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:22:11,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:11 WrapperNode [2019-10-22 11:22:11,655 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:11,656 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:11,656 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:22:11,656 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:22:11,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:11" (1/1) ... [2019-10-22 11:22:11,683 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:11" (1/1) ... [2019-10-22 11:22:11,701 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:11,702 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:22:11,702 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:22:11,702 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:22:11,711 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:11" (1/1) ... [2019-10-22 11:22:11,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:11" (1/1) ... [2019-10-22 11:22:11,715 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:11" (1/1) ... [2019-10-22 11:22:11,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:11" (1/1) ... [2019-10-22 11:22:11,722 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:11" (1/1) ... [2019-10-22 11:22:11,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:11" (1/1) ... [2019-10-22 11:22:11,729 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:11" (1/1) ... [2019-10-22 11:22:11,732 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:22:11,733 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:22:11,733 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:22:11,733 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:22:11,734 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f09d4df-cab6-4de8-874e-02b1a5b431fd/bin/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 [2019-10-22 11:22:11,787 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-10-22 11:22:11,787 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-10-22 11:22:11,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:22:11,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:22:11,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 11:22:11,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:22:11,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:22:11,790 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-10-22 11:22:11,910 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-10-22 11:22:11,911 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-10-22 11:22:11,912 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2019-10-22 11:22:11,912 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2019-10-22 11:22:12,006 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:22:12,006 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-10-22 11:22:12,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:12 BoogieIcfgContainer [2019-10-22 11:22:12,008 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:22:12,009 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:22:12,009 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:22:12,012 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:22:12,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:22:11" (1/3) ... [2019-10-22 11:22:12,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@687b6d83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:12, skipping insertion in model container [2019-10-22 11:22:12,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:11" (2/3) ... [2019-10-22 11:22:12,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@687b6d83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:12, skipping insertion in model container [2019-10-22 11:22:12,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:12" (3/3) ... [2019-10-22 11:22:12,015 INFO L109 eAbstractionObserver]: Analyzing ICFG 40_barrier_vf.i [2019-10-22 11:22:12,043 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:12,043 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:12,044 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:12,044 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:12,044 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:12,045 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:12,045 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:12,045 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:12,046 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:12,046 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:12,053 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-10-22 11:22:12,053 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:22:12,061 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-10-22 11:22:12,072 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-10-22 11:22:12,091 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:22:12,091 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:22:12,091 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:22:12,091 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:22:12,091 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:22:12,092 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:22:12,092 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:22:12,092 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:22:12,100 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 33 places, 35 transitions [2019-10-22 11:22:12,111 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:390) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:128) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-22 11:22:12,116 INFO L168 Benchmark]: Toolchain (without parser) took 1103.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.6 MB). Free memory was 947.0 MB in the beginning and 1.0 GB in the end (delta: -82.0 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:12,116 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:22:12,117 INFO L168 Benchmark]: CACSL2BoogieTranslator took 640.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.6 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -115.3 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:12,118 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:12,118 INFO L168 Benchmark]: Boogie Preprocessor took 30.51 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:22:12,119 INFO L168 Benchmark]: RCFGBuilder took 275.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:12,120 INFO L168 Benchmark]: TraceAbstraction took 104.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:12,123 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 640.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.6 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -115.3 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.51 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 275.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 104.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 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: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:325) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...