./Ultimate.py --spec ../../sv-benchmarks/c/ConcurrencySafety.prp --file ../../sv-benchmarks/c/pthread-atomic/peterson_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_1f6abbb7-2973-46f5-b171-9e0368316b76/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1f6abbb7-2973-46f5-b171-9e0368316b76/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1f6abbb7-2973-46f5-b171-9e0368316b76/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1f6abbb7-2973-46f5-b171-9e0368316b76/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-atomic/peterson_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_1f6abbb7-2973-46f5-b171-9e0368316b76/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1f6abbb7-2973-46f5-b171-9e0368316b76/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 a9bea0c488d2f45d989ec349e22f0d31a29496ef ................................................................................................................................................................................................................................................ 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_1f6abbb7-2973-46f5-b171-9e0368316b76/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1f6abbb7-2973-46f5-b171-9e0368316b76/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1f6abbb7-2973-46f5-b171-9e0368316b76/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1f6abbb7-2973-46f5-b171-9e0368316b76/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-atomic/peterson_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_1f6abbb7-2973-46f5-b171-9e0368316b76/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1f6abbb7-2973-46f5-b171-9e0368316b76/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 a9bea0c488d2f45d989ec349e22f0d31a29496ef ............................................................................................................................................................................................................................................. 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 14:41:29,467 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:41:29,468 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:41:29,474 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:41:29,474 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:41:29,475 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:41:29,475 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:41:29,476 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:41:29,477 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:41:29,477 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:41:29,478 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:41:29,478 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:41:29,479 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:41:29,480 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:41:29,480 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:41:29,481 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:41:29,481 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:41:29,483 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:41:29,484 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:41:29,485 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:41:29,485 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:41:29,486 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:41:29,488 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:41:29,488 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:41:29,488 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:41:29,489 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:41:29,489 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:41:29,490 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:41:29,490 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:41:29,491 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:41:29,491 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:41:29,491 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:41:29,491 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:41:29,491 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:41:29,492 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:41:29,492 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:41:29,492 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1f6abbb7-2973-46f5-b171-9e0368316b76/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 14:41:29,502 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:41:29,502 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:41:29,503 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 14:41:29,503 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 14:41:29,503 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 14:41:29,503 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 14:41:29,504 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 14:41:29,504 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 14:41:29,504 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 14:41:29,504 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 14:41:29,504 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 14:41:29,504 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 14:41:29,504 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 14:41:29,505 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:41:29,505 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:41:29,505 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:41:29,505 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:41:29,505 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:41:29,505 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 14:41:29,506 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 14:41:29,506 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 14:41:29,506 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:41:29,506 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:41:29,506 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:41:29,506 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 14:41:29,506 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:41:29,507 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:41:29,507 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 14:41:29,507 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 14:41:29,507 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 14:41:29,507 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:41:29,507 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 14:41:29,507 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 14:41:29,507 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 14:41:29,508 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 14:41:29,508 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 14:41:29,508 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 14:41:29,508 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_1f6abbb7-2973-46f5-b171-9e0368316b76/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 -> a9bea0c488d2f45d989ec349e22f0d31a29496ef [2018-11-18 14:41:29,532 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:41:29,541 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:41:29,543 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:41:29,545 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:41:29,545 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:41:29,545 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1f6abbb7-2973-46f5-b171-9e0368316b76/bin-2019/utaipan/../../sv-benchmarks/c/pthread-atomic/peterson_true-unreach-call.i [2018-11-18 14:41:29,582 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1f6abbb7-2973-46f5-b171-9e0368316b76/bin-2019/utaipan/data/277d431e3/b682b617bb8d4e0cbbffb434bea4e01e/FLAG4e5d2800d [2018-11-18 14:41:30,038 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:41:30,039 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1f6abbb7-2973-46f5-b171-9e0368316b76/sv-benchmarks/c/pthread-atomic/peterson_true-unreach-call.i [2018-11-18 14:41:30,048 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1f6abbb7-2973-46f5-b171-9e0368316b76/bin-2019/utaipan/data/277d431e3/b682b617bb8d4e0cbbffb434bea4e01e/FLAG4e5d2800d [2018-11-18 14:41:30,058 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1f6abbb7-2973-46f5-b171-9e0368316b76/bin-2019/utaipan/data/277d431e3/b682b617bb8d4e0cbbffb434bea4e01e [2018-11-18 14:41:30,060 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:41:30,061 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:41:30,062 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:41:30,062 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:41:30,064 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:41:30,064 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:41:30" (1/1) ... [2018-11-18 14:41:30,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dc0d990 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:41:30, skipping insertion in model container [2018-11-18 14:41:30,066 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:41:30" (1/1) ... [2018-11-18 14:41:30,072 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:41:30,099 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:41:30,299 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:41:30,305 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:41:30,379 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:41:30,409 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:41:30,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:41:30 WrapperNode [2018-11-18 14:41:30,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:41:30,410 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:41:30,410 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:41:30,410 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:41:30,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:41:30" (1/1) ... [2018-11-18 14:41:30,426 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:41:30" (1/1) ... [2018-11-18 14:41:30,431 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:41:30,431 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:41:30,431 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:41:30,431 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:41:30,437 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:41:30" (1/1) ... [2018-11-18 14:41:30,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:41:30" (1/1) ... [2018-11-18 14:41:30,439 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:41:30" (1/1) ... [2018-11-18 14:41:30,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:41:30" (1/1) ... [2018-11-18 14:41:30,444 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:41:30" (1/1) ... [2018-11-18 14:41:30,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:41:30" (1/1) ... [2018-11-18 14:41:30,450 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:41:30" (1/1) ... [2018-11-18 14:41:30,451 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:41:30,452 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:41:30,452 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:41:30,452 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:41:30,453 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:41:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1f6abbb7-2973-46f5-b171-9e0368316b76/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 14:41:30,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 14:41:30,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 14:41:30,494 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-11-18 14:41:30,494 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-11-18 14:41:30,494 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-18 14:41:30,494 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-18 14:41:30,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 14:41:30,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 14:41:30,495 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 14:41:30,495 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 14:41:30,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 14:41:30,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:41:30,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:41:30,496 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 14:41:30,719 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:41:30,734 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 14:41:30,735 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 14:41:30,735 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr2_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 14:41:30,735 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr2_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 14:41:30,735 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 14:41:30,736 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 14:41:30,736 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 14:41:30,736 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 14:41:30,736 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 14:41:30,736 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 14:41:30,737 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 14:41:30,737 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 14:41:30,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:41:30 BasicIcfg [2018-11-18 14:41:30,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:41:30,751 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 14:41:30,752 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 14:41:30,754 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 14:41:30,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:41:30" (1/3) ... [2018-11-18 14:41:30,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c10f587 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:41:30, skipping insertion in model container [2018-11-18 14:41:30,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:41:30" (2/3) ... [2018-11-18 14:41:30,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c10f587 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:41:30, skipping insertion in model container [2018-11-18 14:41:30,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:41:30" (3/3) ... [2018-11-18 14:41:30,757 INFO L112 eAbstractionObserver]: Analyzing ICFG peterson_true-unreach-call.i_BEv2 [2018-11-18 14:41:30,764 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 14:41:30,770 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2018-11-18 14:41:30,779 INFO L257 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2018-11-18 14:41:30,797 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 14:41:30,797 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 14:41:30,797 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 14:41:30,797 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:41:30,797 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:41:30,798 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 14:41:30,798 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:41:30,798 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 14:41:30,804 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:236) 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 14:41:30,807 INFO L168 Benchmark]: Toolchain (without parser) took 746.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -113.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. [2018-11-18 14:41:30,808 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:41:30,809 INFO L168 Benchmark]: CACSL2BoogieTranslator took 348.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -151.1 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 14:41:30,809 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.93 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 14:41:30,810 INFO L168 Benchmark]: Boogie Preprocessor took 20.26 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 14:41:30,810 INFO L168 Benchmark]: RCFGBuilder took 299.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. [2018-11-18 14:41:30,811 INFO L168 Benchmark]: TraceAbstraction took 54.94 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 14:41:30,814 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 348.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -151.1 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.93 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.26 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 299.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 54.94 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: 5.4 MB). Peak memory consumption was 5.4 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:236) 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 14:41:32,170 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:41:32,171 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:41:32,178 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:41:32,178 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:41:32,179 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:41:32,180 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:41:32,181 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:41:32,182 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:41:32,182 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:41:32,183 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:41:32,183 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:41:32,184 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:41:32,184 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:41:32,185 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:41:32,186 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:41:32,186 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:41:32,187 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:41:32,189 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:41:32,190 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:41:32,190 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:41:32,191 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:41:32,193 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:41:32,193 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:41:32,193 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:41:32,194 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:41:32,194 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:41:32,195 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:41:32,195 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:41:32,196 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:41:32,196 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:41:32,197 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:41:32,197 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:41:32,197 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:41:32,197 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:41:32,198 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:41:32,198 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1f6abbb7-2973-46f5-b171-9e0368316b76/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 14:41:32,208 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:41:32,208 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:41:32,209 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 14:41:32,209 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 14:41:32,209 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 14:41:32,209 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 14:41:32,209 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 14:41:32,209 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 14:41:32,209 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 14:41:32,210 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 14:41:32,210 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:41:32,210 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:41:32,210 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:41:32,210 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:41:32,211 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 14:41:32,211 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 14:41:32,211 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 14:41:32,211 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 14:41:32,211 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 14:41:32,211 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:41:32,212 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:41:32,212 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:41:32,212 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 14:41:32,212 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:41:32,212 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:41:32,212 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 14:41:32,212 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 14:41:32,213 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 14:41:32,213 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:41:32,213 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 14:41:32,213 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 14:41:32,213 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 14:41:32,213 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 14:41:32,213 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 14:41:32,214 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 14:41:32,214 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_1f6abbb7-2973-46f5-b171-9e0368316b76/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 -> a9bea0c488d2f45d989ec349e22f0d31a29496ef [2018-11-18 14:41:32,241 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:41:32,250 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:41:32,252 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:41:32,253 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:41:32,253 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:41:32,253 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1f6abbb7-2973-46f5-b171-9e0368316b76/bin-2019/utaipan/../../sv-benchmarks/c/pthread-atomic/peterson_true-unreach-call.i [2018-11-18 14:41:32,288 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1f6abbb7-2973-46f5-b171-9e0368316b76/bin-2019/utaipan/data/e4cf70936/f758847857e34446a141258d3d3fabd3/FLAG275998782 [2018-11-18 14:41:32,708 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:41:32,708 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1f6abbb7-2973-46f5-b171-9e0368316b76/sv-benchmarks/c/pthread-atomic/peterson_true-unreach-call.i [2018-11-18 14:41:32,716 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1f6abbb7-2973-46f5-b171-9e0368316b76/bin-2019/utaipan/data/e4cf70936/f758847857e34446a141258d3d3fabd3/FLAG275998782 [2018-11-18 14:41:32,724 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1f6abbb7-2973-46f5-b171-9e0368316b76/bin-2019/utaipan/data/e4cf70936/f758847857e34446a141258d3d3fabd3 [2018-11-18 14:41:32,726 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:41:32,726 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:41:32,727 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:41:32,728 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:41:32,730 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:41:32,731 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:41:32" (1/1) ... [2018-11-18 14:41:32,733 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d9f8bbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:41:32, skipping insertion in model container [2018-11-18 14:41:32,733 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:41:32" (1/1) ... [2018-11-18 14:41:32,739 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:41:32,770 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:41:33,002 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:41:33,012 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:41:33,040 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:41:33,087 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:41:33,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:41:33 WrapperNode [2018-11-18 14:41:33,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:41:33,088 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:41:33,089 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:41:33,089 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:41:33,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:41:33" (1/1) ... [2018-11-18 14:41:33,141 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:41:33" (1/1) ... [2018-11-18 14:41:33,146 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:41:33,146 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:41:33,146 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:41:33,146 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:41:33,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:41:33" (1/1) ... [2018-11-18 14:41:33,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:41:33" (1/1) ... [2018-11-18 14:41:33,153 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:41:33" (1/1) ... [2018-11-18 14:41:33,153 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:41:33" (1/1) ... [2018-11-18 14:41:33,159 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:41:33" (1/1) ... [2018-11-18 14:41:33,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:41:33" (1/1) ... [2018-11-18 14:41:33,163 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:41:33" (1/1) ... [2018-11-18 14:41:33,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:41:33,165 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:41:33,165 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:41:33,166 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:41:33,166 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:41:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1f6abbb7-2973-46f5-b171-9e0368316b76/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 14:41:33,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 14:41:33,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 14:41:33,202 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-11-18 14:41:33,202 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-11-18 14:41:33,202 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-18 14:41:33,203 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-18 14:41:33,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 14:41:33,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 14:41:33,203 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 14:41:33,203 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 14:41:33,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 14:41:33,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:41:33,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:41:33,205 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 14:41:33,403 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:41:33,421 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 14:41:33,421 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 14:41:33,421 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr2_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 14:41:33,421 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr2_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 14:41:33,422 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 14:41:33,422 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 14:41:33,423 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 14:41:33,423 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 14:41:33,423 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 14:41:33,423 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 14:41:33,424 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 14:41:33,424 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 14:41:33,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:41:33 BasicIcfg [2018-11-18 14:41:33,447 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:41:33,447 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 14:41:33,447 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 14:41:33,449 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 14:41:33,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:41:32" (1/3) ... [2018-11-18 14:41:33,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a680b5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:41:33, skipping insertion in model container [2018-11-18 14:41:33,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:41:33" (2/3) ... [2018-11-18 14:41:33,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a680b5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:41:33, skipping insertion in model container [2018-11-18 14:41:33,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:41:33" (3/3) ... [2018-11-18 14:41:33,451 INFO L112 eAbstractionObserver]: Analyzing ICFG peterson_true-unreach-call.i_BEv2 [2018-11-18 14:41:33,457 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 14:41:33,462 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2018-11-18 14:41:33,471 INFO L257 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2018-11-18 14:41:33,491 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 14:41:33,492 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 14:41:33,492 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 14:41:33,492 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 14:41:33,492 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:41:33,492 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:41:33,492 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 14:41:33,492 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:41:33,492 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 14:41:33,499 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:236) 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 14:41:33,501 INFO L168 Benchmark]: Toolchain (without parser) took 774.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 945.4 MB in the beginning and 1.1 GB in the end (delta: -143.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:41:33,502 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:41:33,502 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.75 ms. Allocated memory is still 1.0 GB. Free memory was 945.4 MB in the beginning and 913.2 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-18 14:41:33,502 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 913.2 MB in the beginning and 1.1 GB in the end (delta: -213.1 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. [2018-11-18 14:41:33,502 INFO L168 Benchmark]: Boogie Preprocessor took 19.27 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 14:41:33,503 INFO L168 Benchmark]: RCFGBuilder took 281.45 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: 31.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 11.5 GB. [2018-11-18 14:41:33,503 INFO L168 Benchmark]: TraceAbstraction took 52.95 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-18 14:41:33,505 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 360.75 ms. Allocated memory is still 1.0 GB. Free memory was 945.4 MB in the beginning and 913.2 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 57.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 913.2 MB in the beginning and 1.1 GB in the end (delta: -213.1 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.27 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 281.45 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: 31.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 52.95 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: 6.6 MB). Peak memory consumption was 6.6 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:236) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...