./Ultimate.py --spec ../../sv-benchmarks/c/ConcurrencySafety.prp --file ../../sv-benchmarks/c/pthread/queue_longest_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_bc075646-7981-47cc-80d9-411d947f6895/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bc075646-7981-47cc-80d9-411d947f6895/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bc075646-7981-47cc-80d9-411d947f6895/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bc075646-7981-47cc-80d9-411d947f6895/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/queue_longest_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_bc075646-7981-47cc-80d9-411d947f6895/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bc075646-7981-47cc-80d9-411d947f6895/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 bbf7c8f32f8d5605e61126fa2fb3cef6b4b000b0 ................................................................................................................................................................................................................ 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_bc075646-7981-47cc-80d9-411d947f6895/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bc075646-7981-47cc-80d9-411d947f6895/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bc075646-7981-47cc-80d9-411d947f6895/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bc075646-7981-47cc-80d9-411d947f6895/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/queue_longest_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_bc075646-7981-47cc-80d9-411d947f6895/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bc075646-7981-47cc-80d9-411d947f6895/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 bbf7c8f32f8d5605e61126fa2fb3cef6b4b000b0 ................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: null --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 05:09:19,431 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:09:19,432 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:09:19,442 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:09:19,442 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:09:19,443 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:09:19,444 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:09:19,445 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:09:19,447 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:09:19,448 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:09:19,448 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:09:19,448 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:09:19,449 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:09:19,450 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:09:19,451 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:09:19,452 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:09:19,452 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:09:19,454 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:09:19,456 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:09:19,457 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:09:19,458 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:09:19,459 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:09:19,461 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:09:19,461 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:09:19,461 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:09:19,463 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:09:19,463 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:09:19,464 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:09:19,465 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:09:19,466 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:09:19,466 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:09:19,467 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:09:19,467 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:09:19,467 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:09:19,468 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:09:19,469 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:09:19,469 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bc075646-7981-47cc-80d9-411d947f6895/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-27 05:09:19,481 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:09:19,481 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:09:19,482 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:09:19,482 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 05:09:19,482 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 05:09:19,482 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 05:09:19,483 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 05:09:19,483 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 05:09:19,483 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 05:09:19,483 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 05:09:19,483 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 05:09:19,484 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:09:19,484 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 05:09:19,484 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 05:09:19,484 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 05:09:19,484 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:09:19,485 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:09:19,485 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:09:19,485 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:09:19,485 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 05:09:19,485 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:09:19,485 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:09:19,488 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:09:19,488 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 05:09:19,488 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:09:19,488 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 05:09:19,488 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:09:19,489 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:09:19,489 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:09:19,489 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:09:19,489 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 05:09:19,489 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:09:19,489 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 05:09:19,490 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 05:09:19,490 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_bc075646-7981-47cc-80d9-411d947f6895/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 -> bbf7c8f32f8d5605e61126fa2fb3cef6b4b000b0 [2018-10-27 05:09:19,519 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:09:19,528 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:09:19,531 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:09:19,532 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:09:19,532 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:09:19,532 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bc075646-7981-47cc-80d9-411d947f6895/bin-2019/utaipan/../../sv-benchmarks/c/pthread/queue_longest_false-unreach-call.i [2018-10-27 05:09:19,576 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bc075646-7981-47cc-80d9-411d947f6895/bin-2019/utaipan/data/e880a8ef8/427c3604e72c4a45895dd75bac1fb1ce/FLAG43827d6fe [2018-10-27 05:09:20,027 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:09:20,028 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bc075646-7981-47cc-80d9-411d947f6895/sv-benchmarks/c/pthread/queue_longest_false-unreach-call.i [2018-10-27 05:09:20,045 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bc075646-7981-47cc-80d9-411d947f6895/bin-2019/utaipan/data/e880a8ef8/427c3604e72c4a45895dd75bac1fb1ce/FLAG43827d6fe [2018-10-27 05:09:20,061 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bc075646-7981-47cc-80d9-411d947f6895/bin-2019/utaipan/data/e880a8ef8/427c3604e72c4a45895dd75bac1fb1ce [2018-10-27 05:09:20,066 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:09:20,067 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:09:20,068 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:09:20,068 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:09:20,073 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:09:20,076 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:09:20" (1/1) ... [2018-10-27 05:09:20,078 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fda8585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:09:20, skipping insertion in model container [2018-10-27 05:09:20,078 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:09:20" (1/1) ... [2018-10-27 05:09:20,085 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:09:20,126 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:09:20,569 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:09:20,656 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:09:20,723 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:09:21,036 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:09:21,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:09:21 WrapperNode [2018-10-27 05:09:21,037 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:09:21,038 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:09:21,038 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:09:21,038 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:09:21,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:09:21" (1/1) ... [2018-10-27 05:09:21,079 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:09:21" (1/1) ... [2018-10-27 05:09:21,248 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:09:21,249 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:09:21,249 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:09:21,249 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:09:21,258 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:09:21" (1/1) ... [2018-10-27 05:09:21,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:09:21" (1/1) ... [2018-10-27 05:09:21,325 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:09:21" (1/1) ... [2018-10-27 05:09:21,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:09:21" (1/1) ... [2018-10-27 05:09:21,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:09:21" (1/1) ... [2018-10-27 05:09:21,481 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:09:21" (1/1) ... [2018-10-27 05:09:21,533 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:09:21" (1/1) ... [2018-10-27 05:09:21,572 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:09:21,572 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:09:21,572 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:09:21,572 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:09:21,574 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:09:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bc075646-7981-47cc-80d9-411d947f6895/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 [2018-10-27 05:09:21,634 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2018-10-27 05:09:21,635 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2018-10-27 05:09:21,635 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2018-10-27 05:09:21,635 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2018-10-27 05:09:21,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 05:09:21,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 05:09:21,635 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2018-10-27 05:09:21,636 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2018-10-27 05:09:21,636 INFO L130 BoogieDeclarations]: Found specification of procedure enqueue [2018-10-27 05:09:21,636 INFO L138 BoogieDeclarations]: Found implementation of procedure enqueue [2018-10-27 05:09:21,636 INFO L130 BoogieDeclarations]: Found specification of procedure init [2018-10-27 05:09:21,636 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2018-10-27 05:09:21,638 INFO L130 BoogieDeclarations]: Found specification of procedure dequeue [2018-10-27 05:09:21,638 INFO L138 BoogieDeclarations]: Found implementation of procedure dequeue [2018-10-27 05:09:21,638 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 05:09:21,638 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 05:09:21,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:09:21,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:09:21,641 WARN L200 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-10-27 05:09:36,978 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:09:37,255 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:09:37,257 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:09:37,258 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException at de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:250) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:371) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:89) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-27 05:09:37,264 INFO L168 Benchmark]: Toolchain (without parser) took 17197.99 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 367.0 MB). Free memory was 951.1 MB in the beginning and 1.2 GB in the end (delta: -285.3 MB). Peak memory consumption was 513.3 MB. Max. memory is 11.5 GB. [2018-10-27 05:09:37,266 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:09:37,267 INFO L168 Benchmark]: CACSL2BoogieTranslator took 969.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -179.7 MB). Peak memory consumption was 101.8 MB. Max. memory is 11.5 GB. [2018-10-27 05:09:37,268 INFO L168 Benchmark]: Boogie Procedure Inliner took 210.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.6 MB). Peak memory consumption was 51.6 MB. Max. memory is 11.5 GB. [2018-10-27 05:09:37,269 INFO L168 Benchmark]: Boogie Preprocessor took 323.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. [2018-10-27 05:09:37,270 INFO L168 Benchmark]: RCFGBuilder took 15691.51 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 234.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -203.7 MB). Peak memory consumption was 462.2 MB. Max. memory is 11.5 GB. [2018-10-27 05:09:37,273 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 969.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -179.7 MB). Peak memory consumption was 101.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 210.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.6 MB). Peak memory consumption was 51.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 323.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 15691.51 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 234.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -203.7 MB). Peak memory consumption was 462.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: null de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: null: de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:250) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-27 05:09:39,286 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:09:39,288 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:09:39,297 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:09:39,297 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:09:39,298 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:09:39,299 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:09:39,301 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:09:39,302 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:09:39,303 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:09:39,303 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:09:39,304 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:09:39,304 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:09:39,305 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:09:39,306 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:09:39,307 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:09:39,307 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:09:39,309 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:09:39,310 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:09:39,312 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:09:39,313 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:09:39,314 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:09:39,316 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:09:39,316 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:09:39,316 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:09:39,317 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:09:39,318 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:09:39,318 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:09:39,319 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:09:39,320 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:09:39,320 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:09:39,321 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:09:39,321 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:09:39,321 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:09:39,322 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:09:39,323 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:09:39,323 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bc075646-7981-47cc-80d9-411d947f6895/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-27 05:09:39,337 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:09:39,337 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:09:39,346 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:09:39,346 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 05:09:39,347 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 05:09:39,347 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 05:09:39,347 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 05:09:39,347 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 05:09:39,348 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:09:39,348 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 05:09:39,348 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 05:09:39,348 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:09:39,348 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:09:39,348 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:09:39,349 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:09:39,349 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-27 05:09:39,349 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-27 05:09:39,349 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 05:09:39,349 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:09:39,349 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:09:39,350 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:09:39,350 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 05:09:39,350 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:09:39,350 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 05:09:39,350 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:09:39,350 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:09:39,351 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:09:39,351 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:09:39,351 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-27 05:09:39,351 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:09:39,351 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-27 05:09:39,351 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-27 05:09:39,351 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_bc075646-7981-47cc-80d9-411d947f6895/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 -> bbf7c8f32f8d5605e61126fa2fb3cef6b4b000b0 [2018-10-27 05:09:39,405 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:09:39,419 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:09:39,422 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:09:39,424 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:09:39,425 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:09:39,425 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bc075646-7981-47cc-80d9-411d947f6895/bin-2019/utaipan/../../sv-benchmarks/c/pthread/queue_longest_false-unreach-call.i [2018-10-27 05:09:39,476 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bc075646-7981-47cc-80d9-411d947f6895/bin-2019/utaipan/data/1782e860f/406fea9b3651498e883b2b1ebe540df3/FLAG2287bd36e [2018-10-27 05:09:39,953 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:09:39,954 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bc075646-7981-47cc-80d9-411d947f6895/sv-benchmarks/c/pthread/queue_longest_false-unreach-call.i [2018-10-27 05:09:39,976 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bc075646-7981-47cc-80d9-411d947f6895/bin-2019/utaipan/data/1782e860f/406fea9b3651498e883b2b1ebe540df3/FLAG2287bd36e [2018-10-27 05:09:39,987 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bc075646-7981-47cc-80d9-411d947f6895/bin-2019/utaipan/data/1782e860f/406fea9b3651498e883b2b1ebe540df3 [2018-10-27 05:09:39,990 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:09:39,992 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:09:39,993 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:09:39,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:09:39,996 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:09:39,997 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:09:39" (1/1) ... [2018-10-27 05:09:39,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74e7a1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:09:39, skipping insertion in model container [2018-10-27 05:09:40,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:09:39" (1/1) ... [2018-10-27 05:09:40,009 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:09:40,051 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:09:40,562 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:09:40,661 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:09:40,720 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:09:40,983 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:09:40,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:09:40 WrapperNode [2018-10-27 05:09:40,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:09:40,985 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:09:40,985 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:09:40,985 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:09:40,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:09:40" (1/1) ... [2018-10-27 05:09:41,136 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:09:40" (1/1) ... [2018-10-27 05:09:41,344 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:09:41,344 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:09:41,344 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:09:41,344 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:09:41,354 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:09:40" (1/1) ... [2018-10-27 05:09:41,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:09:40" (1/1) ... [2018-10-27 05:09:41,433 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:09:40" (1/1) ... [2018-10-27 05:09:41,433 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:09:40" (1/1) ... [2018-10-27 05:09:41,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:09:40" (1/1) ... [2018-10-27 05:09:41,555 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:09:40" (1/1) ... [2018-10-27 05:09:41,589 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:09:40" (1/1) ... [2018-10-27 05:09:41,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:09:41,621 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:09:41,621 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:09:41,621 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:09:41,622 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:09:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bc075646-7981-47cc-80d9-411d947f6895/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 [2018-10-27 05:09:41,684 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2018-10-27 05:09:41,684 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2018-10-27 05:09:41,684 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2018-10-27 05:09:41,684 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2018-10-27 05:09:41,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 05:09:41,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 05:09:41,685 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2018-10-27 05:09:41,685 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2018-10-27 05:09:41,685 INFO L130 BoogieDeclarations]: Found specification of procedure enqueue [2018-10-27 05:09:41,685 INFO L138 BoogieDeclarations]: Found implementation of procedure enqueue [2018-10-27 05:09:41,685 INFO L130 BoogieDeclarations]: Found specification of procedure init [2018-10-27 05:09:41,686 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2018-10-27 05:09:41,687 INFO L130 BoogieDeclarations]: Found specification of procedure dequeue [2018-10-27 05:09:41,687 INFO L138 BoogieDeclarations]: Found implementation of procedure dequeue [2018-10-27 05:09:41,687 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 05:09:41,687 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 05:09:41,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:09:41,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:09:41,691 WARN L200 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-10-27 05:10:00,969 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:10:01,231 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:10:01,231 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:10:01,232 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException at de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:250) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:371) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:89) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-27 05:10:01,239 INFO L168 Benchmark]: Toolchain (without parser) took 21247.70 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 504.4 MB). Free memory was 946.5 MB in the beginning and 1.4 GB in the end (delta: -411.5 MB). Peak memory consumption was 537.1 MB. Max. memory is 11.5 GB. [2018-10-27 05:10:01,241 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:10:01,242 INFO L168 Benchmark]: CACSL2BoogieTranslator took 991.70 ms. Allocated memory is still 1.0 GB. Free memory was 946.5 MB in the beginning and 855.3 MB in the end (delta: 91.3 MB). Peak memory consumption was 91.3 MB. Max. memory is 11.5 GB. [2018-10-27 05:10:01,242 INFO L168 Benchmark]: Boogie Procedure Inliner took 359.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 855.3 MB in the beginning and 1.1 GB in the end (delta: -244.8 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. [2018-10-27 05:10:01,243 INFO L168 Benchmark]: Boogie Preprocessor took 276.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 58.3 MB). Peak memory consumption was 58.3 MB. Max. memory is 11.5 GB. [2018-10-27 05:10:01,243 INFO L168 Benchmark]: RCFGBuilder took 19617.35 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 354.9 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -316.3 MB). Peak memory consumption was 483.0 MB. Max. memory is 11.5 GB. [2018-10-27 05:10:01,248 INFO L336 ainManager$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 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 991.70 ms. Allocated memory is still 1.0 GB. Free memory was 946.5 MB in the beginning and 855.3 MB in the end (delta: 91.3 MB). Peak memory consumption was 91.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 359.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 855.3 MB in the beginning and 1.1 GB in the end (delta: -244.8 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 276.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 58.3 MB). Peak memory consumption was 58.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 19617.35 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 354.9 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -316.3 MB). Peak memory consumption was 483.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: null de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: null: de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:250) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...