./Ultimate.py --spec ../../sv-benchmarks/c/ConcurrencySafety.prp --file ../../sv-benchmarks/c/pthread-ext/46_monabsex2_vs_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f7978767-25b8-44eb-94ca-5184c1a28a9b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f7978767-25b8-44eb-94ca-5184c1a28a9b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f7978767-25b8-44eb-94ca-5184c1a28a9b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f7978767-25b8-44eb-94ca-5184c1a28a9b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/46_monabsex2_vs_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f7978767-25b8-44eb-94ca-5184c1a28a9b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f7978767-25b8-44eb-94ca-5184c1a28a9b/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e54656298cddafb63abe6a2fe4c42dd55636e801 ........................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f7978767-25b8-44eb-94ca-5184c1a28a9b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f7978767-25b8-44eb-94ca-5184c1a28a9b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f7978767-25b8-44eb-94ca-5184c1a28a9b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f7978767-25b8-44eb-94ca-5184c1a28a9b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/46_monabsex2_vs_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f7978767-25b8-44eb-94ca-5184c1a28a9b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f7978767-25b8-44eb-94ca-5184c1a28a9b/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e54656298cddafb63abe6a2fe4c42dd55636e801 ..................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: analysis for sequential programs does not support fork/join --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 13:35:39,528 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:35:39,529 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:35:39,536 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:35:39,536 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:35:39,536 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:35:39,537 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:35:39,538 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:35:39,539 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:35:39,540 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:35:39,540 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:35:39,541 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:35:39,541 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:35:39,542 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:35:39,542 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:35:39,543 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:35:39,544 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:35:39,545 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:35:39,546 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:35:39,547 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:35:39,547 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:35:39,548 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:35:39,550 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:35:39,550 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:35:39,550 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:35:39,550 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:35:39,551 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:35:39,552 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:35:39,552 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:35:39,553 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:35:39,553 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:35:39,553 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:35:39,554 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:35:39,554 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:35:39,554 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:35:39,555 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:35:39,555 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f7978767-25b8-44eb-94ca-5184c1a28a9b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 13:35:39,564 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:35:39,564 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:35:39,565 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:35:39,565 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 13:35:39,565 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 13:35:39,565 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 13:35:39,565 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 13:35:39,565 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 13:35:39,565 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 13:35:39,565 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 13:35:39,565 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 13:35:39,566 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 13:35:39,566 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 13:35:39,566 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:35:39,566 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:35:39,566 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:35:39,567 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:35:39,567 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:35:39,567 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:35:39,567 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:35:39,567 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:35:39,567 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:35:39,567 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:35:39,568 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:35:39,568 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:35:39,568 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:35:39,568 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:35:39,568 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:35:39,568 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:35:39,568 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:35:39,568 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:35:39,569 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:35:39,569 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:35:39,569 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 13:35:39,569 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:35:39,569 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:35:39,569 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 13:35:39,569 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_f7978767-25b8-44eb-94ca-5184c1a28a9b/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e54656298cddafb63abe6a2fe4c42dd55636e801 [2018-11-18 13:35:39,590 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:35:39,599 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:35:39,601 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:35:39,601 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:35:39,602 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:35:39,602 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f7978767-25b8-44eb-94ca-5184c1a28a9b/bin-2019/utaipan/../../sv-benchmarks/c/pthread-ext/46_monabsex2_vs_true-unreach-call.i [2018-11-18 13:35:39,636 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f7978767-25b8-44eb-94ca-5184c1a28a9b/bin-2019/utaipan/data/1cf787b2c/6f1ece01891e4c92b1d4fe1aee3c89b6/FLAGe0719f333 [2018-11-18 13:35:40,078 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:35:40,078 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f7978767-25b8-44eb-94ca-5184c1a28a9b/sv-benchmarks/c/pthread-ext/46_monabsex2_vs_true-unreach-call.i [2018-11-18 13:35:40,087 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f7978767-25b8-44eb-94ca-5184c1a28a9b/bin-2019/utaipan/data/1cf787b2c/6f1ece01891e4c92b1d4fe1aee3c89b6/FLAGe0719f333 [2018-11-18 13:35:40,098 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f7978767-25b8-44eb-94ca-5184c1a28a9b/bin-2019/utaipan/data/1cf787b2c/6f1ece01891e4c92b1d4fe1aee3c89b6 [2018-11-18 13:35:40,100 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:35:40,101 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:35:40,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:35:40,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:35:40,105 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:35:40,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:35:40" (1/1) ... [2018-11-18 13:35:40,108 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52211fe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:35:40, skipping insertion in model container [2018-11-18 13:35:40,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:35:40" (1/1) ... [2018-11-18 13:35:40,116 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:35:40,146 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:35:40,343 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:35:40,351 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:35:40,422 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:35:40,465 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:35:40,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:35:40 WrapperNode [2018-11-18 13:35:40,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:35:40,466 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:35:40,466 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:35:40,466 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:35:40,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:35:40" (1/1) ... [2018-11-18 13:35:40,484 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:35:40" (1/1) ... [2018-11-18 13:35:40,491 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:35:40,491 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:35:40,492 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:35:40,492 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:35:40,499 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:35:40" (1/1) ... [2018-11-18 13:35:40,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:35:40" (1/1) ... [2018-11-18 13:35:40,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:35:40" (1/1) ... [2018-11-18 13:35:40,501 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:35:40" (1/1) ... [2018-11-18 13:35:40,506 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:35:40" (1/1) ... [2018-11-18 13:35:40,510 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:35:40" (1/1) ... [2018-11-18 13:35:40,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:35:40" (1/1) ... [2018-11-18 13:35:40,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:35:40,513 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:35:40,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:35:40,513 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:35:40,513 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:35:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f7978767-25b8-44eb-94ca-5184c1a28a9b/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:35:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:35:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 13:35:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-18 13:35:40,561 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-18 13:35:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:35:40,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:35:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:35:40,562 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:35:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 13:35:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:35:40,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:35:40,564 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-18 13:35:40,747 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:35:40,764 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:35:40,764 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:35:40,764 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:35:40,764 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:35:40,765 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:35:40,765 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:35:40,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:35:40 BasicIcfg [2018-11-18 13:35:40,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:35:40,775 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:35:40,775 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:35:40,777 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:35:40,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:35:40" (1/3) ... [2018-11-18 13:35:40,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@767fc1f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:35:40, skipping insertion in model container [2018-11-18 13:35:40,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:35:40" (2/3) ... [2018-11-18 13:35:40,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@767fc1f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:35:40, skipping insertion in model container [2018-11-18 13:35:40,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:35:40" (3/3) ... [2018-11-18 13:35:40,780 INFO L112 eAbstractionObserver]: Analyzing ICFG 46_monabsex2_vs_true-unreach-call.i_BEv2 [2018-11-18 13:35:40,788 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:35:40,797 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-11-18 13:35:40,806 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-11-18 13:35:40,822 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:35:40,822 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 13:35:40,823 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:35:40,823 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:35:40,823 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:35:40,823 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:35:40,823 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:35:40,823 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:35:40,829 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: analysis for sequential programs does not support fork/join at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomaton(CFG2NestedWordAutomaton.java:234) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomatonWithSPredicates(CFG2NestedWordAutomaton.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:316) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:402) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-18 13:35:40,831 INFO L168 Benchmark]: Toolchain (without parser) took 730.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -116.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:35:40,832 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:35:40,832 INFO L168 Benchmark]: CACSL2BoogieTranslator took 363.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -147.2 MB). Peak memory consumption was 34.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:35:40,833 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:35:40,833 INFO L168 Benchmark]: Boogie Preprocessor took 20.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-18 13:35:40,833 INFO L168 Benchmark]: RCFGBuilder took 261.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:35:40,834 INFO L168 Benchmark]: TraceAbstraction took 55.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:35:40,837 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 363.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -147.2 MB). Peak memory consumption was 34.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 261.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 55.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: analysis for sequential programs does not support fork/join de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: analysis for sequential programs does not support fork/join: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomaton(CFG2NestedWordAutomaton.java:234) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 13:35:42,211 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:35:42,212 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:35:42,220 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:35:42,220 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:35:42,220 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:35:42,221 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:35:42,222 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:35:42,223 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:35:42,224 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:35:42,225 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:35:42,225 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:35:42,225 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:35:42,226 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:35:42,227 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:35:42,227 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:35:42,228 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:35:42,229 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:35:42,230 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:35:42,231 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:35:42,232 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:35:42,233 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:35:42,234 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:35:42,235 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:35:42,235 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:35:42,235 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:35:42,236 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:35:42,237 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:35:42,238 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:35:42,238 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:35:42,239 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:35:42,239 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:35:42,239 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:35:42,240 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:35:42,240 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:35:42,241 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:35:42,241 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f7978767-25b8-44eb-94ca-5184c1a28a9b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 13:35:42,251 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:35:42,252 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:35:42,252 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:35:42,253 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 13:35:42,253 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 13:35:42,253 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 13:35:42,253 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 13:35:42,253 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 13:35:42,253 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 13:35:42,253 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 13:35:42,254 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:35:42,254 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:35:42,254 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:35:42,254 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:35:42,254 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:35:42,254 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:35:42,255 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:35:42,255 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 13:35:42,255 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 13:35:42,255 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:35:42,255 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:35:42,255 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:35:42,255 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:35:42,256 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:35:42,256 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:35:42,256 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:35:42,256 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:35:42,256 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:35:42,256 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:35:42,256 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:35:42,256 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:35:42,256 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 13:35:42,256 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:35:42,258 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 13:35:42,258 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 13:35:42,258 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_f7978767-25b8-44eb-94ca-5184c1a28a9b/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e54656298cddafb63abe6a2fe4c42dd55636e801 [2018-11-18 13:35:42,284 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:35:42,293 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:35:42,295 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:35:42,296 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:35:42,296 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:35:42,296 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f7978767-25b8-44eb-94ca-5184c1a28a9b/bin-2019/utaipan/../../sv-benchmarks/c/pthread-ext/46_monabsex2_vs_true-unreach-call.i [2018-11-18 13:35:42,330 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f7978767-25b8-44eb-94ca-5184c1a28a9b/bin-2019/utaipan/data/263286f2a/c85d1286690844e1bb1402a195f4f8e6/FLAGa3e4b2e2c [2018-11-18 13:35:42,750 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:35:42,750 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f7978767-25b8-44eb-94ca-5184c1a28a9b/sv-benchmarks/c/pthread-ext/46_monabsex2_vs_true-unreach-call.i [2018-11-18 13:35:42,759 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f7978767-25b8-44eb-94ca-5184c1a28a9b/bin-2019/utaipan/data/263286f2a/c85d1286690844e1bb1402a195f4f8e6/FLAGa3e4b2e2c [2018-11-18 13:35:42,770 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f7978767-25b8-44eb-94ca-5184c1a28a9b/bin-2019/utaipan/data/263286f2a/c85d1286690844e1bb1402a195f4f8e6 [2018-11-18 13:35:42,772 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:35:42,773 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:35:42,774 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:35:42,774 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:35:42,777 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:35:42,777 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:35:42" (1/1) ... [2018-11-18 13:35:42,779 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26282391 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:35:42, skipping insertion in model container [2018-11-18 13:35:42,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:35:42" (1/1) ... [2018-11-18 13:35:42,787 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:35:42,818 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:35:43,042 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:35:43,050 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:35:43,080 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:35:43,157 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:35:43,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:35:43 WrapperNode [2018-11-18 13:35:43,158 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:35:43,158 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:35:43,159 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:35:43,159 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:35:43,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:35:43" (1/1) ... [2018-11-18 13:35:43,176 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:35:43" (1/1) ... [2018-11-18 13:35:43,181 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:35:43,181 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:35:43,181 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:35:43,181 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:35:43,186 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:35:43" (1/1) ... [2018-11-18 13:35:43,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:35:43" (1/1) ... [2018-11-18 13:35:43,188 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:35:43" (1/1) ... [2018-11-18 13:35:43,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:35:43" (1/1) ... [2018-11-18 13:35:43,194 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:35:43" (1/1) ... [2018-11-18 13:35:43,198 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:35:43" (1/1) ... [2018-11-18 13:35:43,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:35:43" (1/1) ... [2018-11-18 13:35:43,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:35:43,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:35:43,202 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:35:43,202 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:35:43,202 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:35:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f7978767-25b8-44eb-94ca-5184c1a28a9b/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:35:43,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:35:43,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 13:35:43,234 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-18 13:35:43,234 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-18 13:35:43,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:35:43,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:35:43,234 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:35:43,234 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:35:43,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 13:35:43,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:35:43,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:35:43,236 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-18 13:35:43,370 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:35:43,386 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:35:43,387 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:35:43,387 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:35:43,387 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:35:43,388 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:35:43,388 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:35:43,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:35:43 BasicIcfg [2018-11-18 13:35:43,403 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:35:43,404 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:35:43,404 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:35:43,405 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:35:43,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:35:42" (1/3) ... [2018-11-18 13:35:43,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25eecbda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:35:43, skipping insertion in model container [2018-11-18 13:35:43,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:35:43" (2/3) ... [2018-11-18 13:35:43,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25eecbda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:35:43, skipping insertion in model container [2018-11-18 13:35:43,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:35:43" (3/3) ... [2018-11-18 13:35:43,407 INFO L112 eAbstractionObserver]: Analyzing ICFG 46_monabsex2_vs_true-unreach-call.i_BEv2 [2018-11-18 13:35:43,413 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:35:43,417 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-11-18 13:35:43,427 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-11-18 13:35:43,442 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 13:35:43,442 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:35:43,442 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 13:35:43,442 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:35:43,442 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:35:43,442 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:35:43,443 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:35:43,443 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:35:43,443 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:35:43,449 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: analysis for sequential programs does not support fork/join at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomaton(CFG2NestedWordAutomaton.java:234) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomatonWithSPredicates(CFG2NestedWordAutomaton.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:316) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:402) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-18 13:35:43,450 INFO L168 Benchmark]: Toolchain (without parser) took 678.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 945.4 MB in the beginning and 1.1 GB in the end (delta: -175.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:35:43,451 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:35:43,452 INFO L168 Benchmark]: CACSL2BoogieTranslator took 384.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 945.4 MB in the beginning and 1.2 GB in the end (delta: -208.1 MB). Peak memory consumption was 51.5 MB. Max. memory is 11.5 GB. [2018-11-18 13:35:43,452 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:35:43,452 INFO L168 Benchmark]: Boogie Preprocessor took 20.10 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:35:43,453 INFO L168 Benchmark]: RCFGBuilder took 201.83 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: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2018-11-18 13:35:43,453 INFO L168 Benchmark]: TraceAbstraction took 46.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:35:43,456 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 384.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 945.4 MB in the beginning and 1.2 GB in the end (delta: -208.1 MB). Peak memory consumption was 51.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.10 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 201.83 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: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 46.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: analysis for sequential programs does not support fork/join de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: analysis for sequential programs does not support fork/join: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomaton(CFG2NestedWordAutomaton.java:234) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...