./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-races/race-1_3-join.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/run_dir_da68a96e-09e0-4ca8-a4ef-b079fa343d44/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_da68a96e-09e0-4ca8-a4ef-b079fa343d44/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_da68a96e-09e0-4ca8-a4ef-b079fa343d44/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_da68a96e-09e0-4ca8-a4ef-b079fa343d44/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-1_3-join.i -s /tmp/vcloud-vcloud-master/worker/run_dir_da68a96e-09e0-4ca8-a4ef-b079fa343d44/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_da68a96e-09e0-4ca8-a4ef-b079fa343d44/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 49c57133846d828aac9e6acd0ef7186d174d92a6 ........................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 23:19:51,451 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 23:19:51,452 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 23:19:51,463 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 23:19:51,463 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 23:19:51,464 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 23:19:51,465 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 23:19:51,467 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 23:19:51,469 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 23:19:51,470 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 23:19:51,471 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 23:19:51,472 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 23:19:51,473 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 23:19:51,474 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 23:19:51,474 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 23:19:51,475 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 23:19:51,476 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 23:19:51,477 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 23:19:51,478 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 23:19:51,480 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 23:19:51,482 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 23:19:51,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 23:19:51,483 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 23:19:51,484 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 23:19:51,487 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 23:19:51,487 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 23:19:51,487 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 23:19:51,488 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 23:19:51,489 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 23:19:51,490 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 23:19:51,490 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 23:19:51,491 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 23:19:51,491 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 23:19:51,492 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 23:19:51,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 23:19:51,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 23:19:51,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 23:19:51,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 23:19:51,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 23:19:51,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 23:19:51,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 23:19:51,497 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_da68a96e-09e0-4ca8-a4ef-b079fa343d44/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 23:19:51,509 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 23:19:51,510 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 23:19:51,511 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 23:19:51,511 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 23:19:51,511 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 23:19:51,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 23:19:51,512 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 23:19:51,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 23:19:51,512 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 23:19:51,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 23:19:51,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 23:19:51,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 23:19:51,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 23:19:51,514 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 23:19:51,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 23:19:51,514 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 23:19:51,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 23:19:51,515 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 23:19:51,516 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 23:19:51,516 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 23:19:51,517 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 23:19:51,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:19:51,517 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 23:19:51,517 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 23:19:51,518 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 23:19:51,518 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 23:19:51,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 23:19:51,518 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 23:19:51,519 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_da68a96e-09e0-4ca8-a4ef-b079fa343d44/bin/uautomizer 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 -> Automizer 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 -> 49c57133846d828aac9e6acd0ef7186d174d92a6 [2019-11-15 23:19:51,544 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 23:19:51,554 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 23:19:51,558 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 23:19:51,559 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 23:19:51,560 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 23:19:51,560 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_da68a96e-09e0-4ca8-a4ef-b079fa343d44/bin/uautomizer/../../sv-benchmarks/c/ldv-races/race-1_3-join.i [2019-11-15 23:19:51,612 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_da68a96e-09e0-4ca8-a4ef-b079fa343d44/bin/uautomizer/data/496425cbd/0267e8e1144a417f9782867b8c680d0e/FLAGe6eff99af [2019-11-15 23:19:52,153 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 23:19:52,153 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_da68a96e-09e0-4ca8-a4ef-b079fa343d44/sv-benchmarks/c/ldv-races/race-1_3-join.i [2019-11-15 23:19:52,186 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_da68a96e-09e0-4ca8-a4ef-b079fa343d44/bin/uautomizer/data/496425cbd/0267e8e1144a417f9782867b8c680d0e/FLAGe6eff99af [2019-11-15 23:19:52,581 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_da68a96e-09e0-4ca8-a4ef-b079fa343d44/bin/uautomizer/data/496425cbd/0267e8e1144a417f9782867b8c680d0e [2019-11-15 23:19:52,584 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 23:19:52,585 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 23:19:52,585 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 23:19:52,586 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 23:19:52,589 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 23:19:52,589 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:19:52" (1/1) ... [2019-11-15 23:19:52,597 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71b10e33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:19:52, skipping insertion in model container [2019-11-15 23:19:52,597 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:19:52" (1/1) ... [2019-11-15 23:19:52,607 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 23:19:52,664 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 23:19:53,377 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:19:53,390 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 23:19:53,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:19:53,755 INFO L192 MainTranslator]: Completed translation [2019-11-15 23:19:53,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:19:53 WrapperNode [2019-11-15 23:19:53,755 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 23:19:53,756 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 23:19:53,756 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 23:19:53,756 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 23:19:53,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:19:53" (1/1) ... [2019-11-15 23:19:53,791 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:19:53" (1/1) ... [2019-11-15 23:19:53,817 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 23:19:53,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 23:19:53,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 23:19:53,818 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 23:19:53,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:19:53" (1/1) ... [2019-11-15 23:19:53,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:19:53" (1/1) ... [2019-11-15 23:19:53,831 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:19:53" (1/1) ... [2019-11-15 23:19:53,831 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:19:53" (1/1) ... [2019-11-15 23:19:53,841 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:19:53" (1/1) ... [2019-11-15 23:19:53,845 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:19:53" (1/1) ... [2019-11-15 23:19:53,850 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:19:53" (1/1) ... [2019-11-15 23:19:53,856 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 23:19:53,856 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 23:19:53,857 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 23:19:53,857 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 23:19:53,858 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:19:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_da68a96e-09e0-4ca8-a4ef-b079fa343d44/bin/uautomizer/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 [2019-11-15 23:19:53,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 23:19:53,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 23:19:53,927 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-11-15 23:19:53,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-15 23:19:53,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 23:19:53,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 23:19:53,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 23:19:53,928 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2019-11-15 23:19:53,928 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2019-11-15 23:19:53,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 23:19:53,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-15 23:19:53,930 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-15 23:19:54,555 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 23:19:54,555 INFO L284 CfgBuilder]: Removed 16 assume(true) statements. [2019-11-15 23:19:54,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:19:54 BoogieIcfgContainer [2019-11-15 23:19:54,557 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 23:19:54,558 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 23:19:54,558 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 23:19:54,561 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 23:19:54,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 11:19:52" (1/3) ... [2019-11-15 23:19:54,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bf22d55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:19:54, skipping insertion in model container [2019-11-15 23:19:54,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:19:53" (2/3) ... [2019-11-15 23:19:54,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bf22d55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:19:54, skipping insertion in model container [2019-11-15 23:19:54,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:19:54" (3/3) ... [2019-11-15 23:19:54,564 INFO L109 eAbstractionObserver]: Analyzing ICFG race-1_3-join.i [2019-11-15 23:19:54,594 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thread1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:19:54,595 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thread1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:19:54,595 WARN L315 ript$VariableManager]: TermVariabe Thread0_thread1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:19:54,595 WARN L315 ript$VariableManager]: TermVariabe Thread0_thread1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:19:54,595 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:19:54,596 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:19:54,596 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thread1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:19:54,596 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thread1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:19:54,609 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-15 23:19:54,609 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 23:19:54,617 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-11-15 23:19:54,628 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-11-15 23:19:54,646 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 23:19:54,646 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 23:19:54,646 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 23:19:54,646 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 23:19:54,647 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 23:19:54,647 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 23:19:54,647 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 23:19:54,647 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 23:19:54,658 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 79 places, 83 transitions [2019-11-15 23:19:54,694 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 245 states. [2019-11-15 23:19:54,702 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states. [2019-11-15 23:19:54,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-15 23:19:54,711 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:19:54,712 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:19:54,715 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:19:54,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:19:54,720 INFO L82 PathProgramCache]: Analyzing trace with hash 2017185579, now seen corresponding path program 1 times [2019-11-15 23:19:54,728 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:19:54,728 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065657421] [2019-11-15 23:19:54,729 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:19:54,729 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:19:54,730 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:19:54,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:19:55,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:19:55,193 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065657421] [2019-11-15 23:19:55,193 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:19:55,194 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 23:19:55,194 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774355145] [2019-11-15 23:19:55,198 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 23:19:55,198 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:19:55,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 23:19:55,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-15 23:19:55,214 INFO L87 Difference]: Start difference. First operand 245 states. Second operand 5 states. [2019-11-15 23:19:55,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:19:55,376 INFO L93 Difference]: Finished difference Result 243 states and 390 transitions. [2019-11-15 23:19:55,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 23:19:55,377 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-11-15 23:19:55,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:19:55,387 INFO L225 Difference]: With dead ends: 243 [2019-11-15 23:19:55,387 INFO L226 Difference]: Without dead ends: 194 [2019-11-15 23:19:55,389 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-15 23:19:55,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2019-11-15 23:19:55,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2019-11-15 23:19:55,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2019-11-15 23:19:55,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 305 transitions. [2019-11-15 23:19:55,441 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 305 transitions. Word has length 22 [2019-11-15 23:19:55,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:19:55,442 INFO L462 AbstractCegarLoop]: Abstraction has 194 states and 305 transitions. [2019-11-15 23:19:55,442 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 23:19:55,442 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 305 transitions. [2019-11-15 23:19:55,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-15 23:19:55,443 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:19:55,443 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:19:55,444 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:19:55,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:19:55,444 INFO L82 PathProgramCache]: Analyzing trace with hash 566063112, now seen corresponding path program 1 times [2019-11-15 23:19:55,445 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:19:55,445 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129752032] [2019-11-15 23:19:55,445 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:19:55,445 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:19:55,445 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:19:55,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:19:55,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:19:55,593 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129752032] [2019-11-15 23:19:55,594 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:19:55,594 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 23:19:55,594 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406791788] [2019-11-15 23:19:55,596 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 23:19:55,596 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:19:55,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 23:19:55,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-15 23:19:55,597 INFO L87 Difference]: Start difference. First operand 194 states and 305 transitions. Second operand 5 states. [2019-11-15 23:19:55,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:19:55,806 INFO L93 Difference]: Finished difference Result 192 states and 303 transitions. [2019-11-15 23:19:55,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 23:19:55,807 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-11-15 23:19:55,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:19:55,809 INFO L225 Difference]: With dead ends: 192 [2019-11-15 23:19:55,809 INFO L226 Difference]: Without dead ends: 192 [2019-11-15 23:19:55,810 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-15 23:19:55,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2019-11-15 23:19:55,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2019-11-15 23:19:55,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2019-11-15 23:19:55,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 303 transitions. [2019-11-15 23:19:55,840 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 303 transitions. Word has length 30 [2019-11-15 23:19:55,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:19:55,841 INFO L462 AbstractCegarLoop]: Abstraction has 192 states and 303 transitions. [2019-11-15 23:19:55,841 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 23:19:55,841 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 303 transitions. [2019-11-15 23:19:55,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-15 23:19:55,844 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:19:55,845 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:19:55,845 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:19:55,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:19:55,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1213969068, now seen corresponding path program 1 times [2019-11-15 23:19:55,846 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:19:55,846 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583037608] [2019-11-15 23:19:55,846 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:19:55,847 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:19:55,847 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:19:55,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:19:55,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:19:55,986 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583037608] [2019-11-15 23:19:55,986 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:19:55,986 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 23:19:55,986 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25894853] [2019-11-15 23:19:55,986 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 23:19:55,986 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:19:55,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 23:19:55,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-15 23:19:55,987 INFO L87 Difference]: Start difference. First operand 192 states and 303 transitions. Second operand 5 states. [2019-11-15 23:19:56,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:19:56,156 INFO L93 Difference]: Finished difference Result 235 states and 365 transitions. [2019-11-15 23:19:56,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-15 23:19:56,156 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2019-11-15 23:19:56,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:19:56,159 INFO L225 Difference]: With dead ends: 235 [2019-11-15 23:19:56,159 INFO L226 Difference]: Without dead ends: 217 [2019-11-15 23:19:56,159 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-15 23:19:56,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2019-11-15 23:19:56,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 180. [2019-11-15 23:19:56,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2019-11-15 23:19:56,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 295 transitions. [2019-11-15 23:19:56,185 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 295 transitions. Word has length 40 [2019-11-15 23:19:56,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:19:56,186 INFO L462 AbstractCegarLoop]: Abstraction has 180 states and 295 transitions. [2019-11-15 23:19:56,186 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 23:19:56,187 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 295 transitions. [2019-11-15 23:19:56,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-15 23:19:56,190 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:19:56,190 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:19:56,191 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:19:56,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:19:56,191 INFO L82 PathProgramCache]: Analyzing trace with hash -274686174, now seen corresponding path program 1 times [2019-11-15 23:19:56,192 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:19:56,192 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522335739] [2019-11-15 23:19:56,192 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:19:56,192 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:19:56,193 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:19:56,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:19:56,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:19:56,331 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 23:19:56,331 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-15 23:19:56,394 INFO L303 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-15 23:19:56,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 11:19:56 BasicIcfg [2019-11-15 23:19:56,398 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 23:19:56,398 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 23:19:56,398 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 23:19:56,399 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 23:19:56,399 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:19:54" (3/4) ... [2019-11-15 23:19:56,401 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-15 23:19:56,486 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_da68a96e-09e0-4ca8-a4ef-b079fa343d44/bin/uautomizer/witness.graphml [2019-11-15 23:19:56,486 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 23:19:56,489 INFO L168 Benchmark]: Toolchain (without parser) took 3903.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 939.4 MB in the beginning and 805.6 MB in the end (delta: 133.8 MB). Peak memory consumption was 254.9 MB. Max. memory is 11.5 GB. [2019-11-15 23:19:56,489 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:19:56,490 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1170.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 939.4 MB in the beginning and 985.6 MB in the end (delta: -46.3 MB). Peak memory consumption was 87.8 MB. Max. memory is 11.5 GB. [2019-11-15 23:19:56,491 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.06 ms. Allocated memory is still 1.2 GB. Free memory was 985.6 MB in the beginning and 978.7 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-15 23:19:56,493 INFO L168 Benchmark]: Boogie Preprocessor took 38.91 ms. Allocated memory is still 1.2 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:19:56,493 INFO L168 Benchmark]: RCFGBuilder took 700.30 ms. Allocated memory is still 1.2 GB. Free memory was 978.7 MB in the beginning and 936.3 MB in the end (delta: 42.4 MB). Peak memory consumption was 42.4 MB. Max. memory is 11.5 GB. [2019-11-15 23:19:56,494 INFO L168 Benchmark]: TraceAbstraction took 1840.32 ms. Allocated memory is still 1.2 GB. Free memory was 936.3 MB in the beginning and 812.4 MB in the end (delta: 123.9 MB). Peak memory consumption was 123.9 MB. Max. memory is 11.5 GB. [2019-11-15 23:19:56,494 INFO L168 Benchmark]: Witness Printer took 88.42 ms. Allocated memory is still 1.2 GB. Free memory was 812.4 MB in the beginning and 805.6 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-15 23:19:56,501 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1170.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 939.4 MB in the beginning and 985.6 MB in the end (delta: -46.3 MB). Peak memory consumption was 87.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 61.06 ms. Allocated memory is still 1.2 GB. Free memory was 985.6 MB in the beginning and 978.7 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.91 ms. Allocated memory is still 1.2 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 700.30 ms. Allocated memory is still 1.2 GB. Free memory was 978.7 MB in the beginning and 936.3 MB in the end (delta: 42.4 MB). Peak memory consumption was 42.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1840.32 ms. Allocated memory is still 1.2 GB. Free memory was 936.3 MB in the beginning and 812.4 MB in the end (delta: 123.9 MB). Peak memory consumption was 123.9 MB. Max. memory is 11.5 GB. * Witness Printer took 88.42 ms. Allocated memory is still 1.2 GB. Free memory was 812.4 MB in the beginning and 805.6 MB 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: - CounterExampleResult [Line: 1682]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1683] 0 pthread_t t1; VAL [t1={1:0}] [L1684] 0 pthread_mutex_t mutex; VAL [mutex={-2:0}, t1={1:0}] [L1685] 0 int pdev; VAL [mutex={-2:0}, pdev=0, t1={1:0}] [L1694] 0 pdev = 1 VAL [mutex={-2:0}, pdev=1, t1={1:0}] [L1682] COND FALSE 0 !(!expression) VAL [mutex={-2:0}, pdev=1, t1={1:0}] [L1696] COND TRUE 0 __VERIFIER_nondet_int() VAL [mutex={-2:0}, pdev=1, t1={1:0}] [L1697] FCALL, FORK 0 pthread_create(&t1, ((void *)0), thread1, ((void *)0)) VAL [arg={0:0}, mutex={-2:0}, pdev=1, t1={1:0}] [L1698] 0 return 0; VAL [arg={0:0}, mutex={-2:0}, pdev=1, t1={1:0}] [L1715] COND FALSE 0 !(module_init()!=0) VAL [arg={0:0}, arg={0:0}, mutex={-2:0}, pdev=1, pthread_mutex_lock(&mutex)=0, t1={1:0}] [L1706] 0 void *status; VAL [arg={0:0}, arg={0:0}, mutex={-2:0}, pdev=1, t1={1:0}] [L1707] 0 pdev = 4 VAL [arg={0:0}, arg={0:0}, mutex={-2:0}, pdev=4, t1={1:0}] [L1688] 1 pdev = 6 VAL [arg={0:0}, arg={0:0}, mutex={-2:0}, pdev=6, t1={1:0}] [L1682] COND TRUE 0 !expression VAL [arg={0:0}, arg={0:0}, mutex={-2:0}, pdev=6, t1={1:0}] [L1682] 0 __VERIFIER_error() VAL [arg={0:0}, arg={0:0}, mutex={-2:0}, pdev=6, t1={1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 87 locations, 4 error locations. Result: UNSAFE, OverallTime: 1.7s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 224 SDtfs, 307 SDslu, 439 SDs, 0 SdLazy, 91 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=245occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 37 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 136 NumberOfCodeBlocks, 136 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 89 ConstructedInterpolants, 0 QuantifiedInterpolants, 3782 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...