./Ultimate.py --spec ../../sv-benchmarks/c/ConcurrencySafety.prp --file ../../sv-benchmarks/c/pthread/queue_ok_longest_true-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_1515bb35-8a1e-47b4-b2c9-217982359699/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1515bb35-8a1e-47b4-b2c9-217982359699/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1515bb35-8a1e-47b4-b2c9-217982359699/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1515bb35-8a1e-47b4-b2c9-217982359699/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/queue_ok_longest_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_1515bb35-8a1e-47b4-b2c9-217982359699/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1515bb35-8a1e-47b4-b2c9-217982359699/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 aa2c25034ea1a0d2d07bdff448f657a3a1ee96fd ..................................................................................................................................................................................................... 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_1515bb35-8a1e-47b4-b2c9-217982359699/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1515bb35-8a1e-47b4-b2c9-217982359699/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1515bb35-8a1e-47b4-b2c9-217982359699/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1515bb35-8a1e-47b4-b2c9-217982359699/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/queue_ok_longest_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_1515bb35-8a1e-47b4-b2c9-217982359699/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1515bb35-8a1e-47b4-b2c9-217982359699/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 aa2c25034ea1a0d2d07bdff448f657a3a1ee96fd ................................................................................................................................................................................................... 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 05:12:08,794 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:12:08,795 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:12:08,807 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:12:08,808 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:12:08,810 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:12:08,812 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:12:08,814 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:12:08,815 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:12:08,816 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:12:08,816 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:12:08,816 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:12:08,817 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:12:08,818 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:12:08,819 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:12:08,820 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:12:08,821 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:12:08,822 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:12:08,823 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:12:08,824 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:12:08,825 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:12:08,827 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:12:08,828 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:12:08,828 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:12:08,828 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:12:08,829 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:12:08,830 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:12:08,831 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:12:08,831 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:12:08,832 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:12:08,832 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:12:08,833 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:12:08,833 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:12:08,833 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:12:08,834 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:12:08,835 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:12:08,835 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1515bb35-8a1e-47b4-b2c9-217982359699/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-27 05:12:08,846 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:12:08,846 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:12:08,847 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:12:08,847 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 05:12:08,847 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 05:12:08,847 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 05:12:08,847 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 05:12:08,847 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 05:12:08,848 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 05:12:08,848 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 05:12:08,848 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 05:12:08,848 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:12:08,849 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 05:12:08,849 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 05:12:08,849 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 05:12:08,849 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:12:08,849 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:12:08,849 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:12:08,849 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:12:08,850 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 05:12:08,851 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:12:08,852 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:12:08,852 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:12:08,852 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 05:12:08,852 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:12:08,852 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 05:12:08,852 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:12:08,853 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:12:08,853 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:12:08,853 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:12:08,853 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 05:12:08,853 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:12:08,853 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 05:12:08,853 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 05:12:08,853 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_1515bb35-8a1e-47b4-b2c9-217982359699/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 -> aa2c25034ea1a0d2d07bdff448f657a3a1ee96fd [2018-10-27 05:12:08,882 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:12:08,898 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:12:08,903 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:12:08,905 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:12:08,906 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:12:08,906 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1515bb35-8a1e-47b4-b2c9-217982359699/bin-2019/utaipan/../../sv-benchmarks/c/pthread/queue_ok_longest_true-unreach-call.i [2018-10-27 05:12:08,957 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1515bb35-8a1e-47b4-b2c9-217982359699/bin-2019/utaipan/data/467b6eb52/fde96e62b616446ab520cfb25c4efde5/FLAG3ae58e09c [2018-10-27 05:12:09,418 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:12:09,419 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1515bb35-8a1e-47b4-b2c9-217982359699/sv-benchmarks/c/pthread/queue_ok_longest_true-unreach-call.i [2018-10-27 05:12:09,440 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1515bb35-8a1e-47b4-b2c9-217982359699/bin-2019/utaipan/data/467b6eb52/fde96e62b616446ab520cfb25c4efde5/FLAG3ae58e09c [2018-10-27 05:12:09,453 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1515bb35-8a1e-47b4-b2c9-217982359699/bin-2019/utaipan/data/467b6eb52/fde96e62b616446ab520cfb25c4efde5 [2018-10-27 05:12:09,455 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:12:09,456 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:12:09,457 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:12:09,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:12:09,460 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:12:09,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:12:09" (1/1) ... [2018-10-27 05:12:09,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4984b912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:09, skipping insertion in model container [2018-10-27 05:12:09,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:12:09" (1/1) ... [2018-10-27 05:12:09,471 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:12:09,525 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:12:10,027 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:12:10,100 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:12:10,144 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:12:10,446 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:12:10,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:10 WrapperNode [2018-10-27 05:12:10,447 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:12:10,448 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:12:10,448 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:12:10,448 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:12:10,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:10" (1/1) ... [2018-10-27 05:12:10,500 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:10" (1/1) ... [2018-10-27 05:12:10,752 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:12:10,753 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:12:10,753 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:12:10,753 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:12:10,763 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:10" (1/1) ... [2018-10-27 05:12:10,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:10" (1/1) ... [2018-10-27 05:12:10,811 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:10" (1/1) ... [2018-10-27 05:12:10,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:10" (1/1) ... [2018-10-27 05:12:10,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:10" (1/1) ... [2018-10-27 05:12:10,954 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:10" (1/1) ... [2018-10-27 05:12:11,016 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:10" (1/1) ... [2018-10-27 05:12:11,056 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:12:11,059 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:12:11,060 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:12:11,060 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:12:11,061 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1515bb35-8a1e-47b4-b2c9-217982359699/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 05:12:11,122 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2018-10-27 05:12:11,124 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2018-10-27 05:12:11,124 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2018-10-27 05:12:11,124 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2018-10-27 05:12:11,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 05:12:11,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 05:12:11,126 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2018-10-27 05:12:11,126 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2018-10-27 05:12:11,126 INFO L130 BoogieDeclarations]: Found specification of procedure enqueue [2018-10-27 05:12:11,128 INFO L138 BoogieDeclarations]: Found implementation of procedure enqueue [2018-10-27 05:12:11,128 INFO L130 BoogieDeclarations]: Found specification of procedure init [2018-10-27 05:12:11,128 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2018-10-27 05:12:11,128 INFO L130 BoogieDeclarations]: Found specification of procedure dequeue [2018-10-27 05:12:11,129 INFO L138 BoogieDeclarations]: Found implementation of procedure dequeue [2018-10-27 05:12:11,129 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 05:12:11,129 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 05:12:11,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:12:11,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:12:11,132 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 05:12:24,095 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:12:24,250 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:24,250 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:24,251 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:24,251 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:24,252 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-27 05:12:24,257 INFO L168 Benchmark]: Toolchain (without parser) took 14800.04 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 382.2 MB). Free memory was 953.1 MB in the beginning and 830.4 MB in the end (delta: 122.7 MB). Peak memory consumption was 546.9 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:24,259 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 977.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:12:24,260 INFO L168 Benchmark]: CACSL2BoogieTranslator took 990.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 190.8 MB). Free memory was 953.1 MB in the beginning and 1.2 GB in the end (delta: -231.6 MB). Peak memory consumption was 100.4 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:24,260 INFO L168 Benchmark]: Boogie Procedure Inliner took 304.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 51.8 MB). Peak memory consumption was 51.8 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:24,261 INFO L168 Benchmark]: Boogie Preprocessor took 305.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 48.6 MB). Peak memory consumption was 48.6 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:24,261 INFO L168 Benchmark]: RCFGBuilder took 13196.31 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 191.4 MB). Free memory was 1.1 GB in the beginning and 830.4 MB in the end (delta: 253.9 MB). Peak memory consumption was 487.2 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:24,266 INFO L336 ainManager$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 977.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 990.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 190.8 MB). Free memory was 953.1 MB in the beginning and 1.2 GB in the end (delta: -231.6 MB). Peak memory consumption was 100.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 304.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 51.8 MB). Peak memory consumption was 51.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 305.72 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: 48.6 MB). Peak memory consumption was 48.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 13196.31 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 191.4 MB). Free memory was 1.1 GB in the beginning and 830.4 MB in the end (delta: 253.9 MB). Peak memory consumption was 487.2 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 05:12:26,354 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:12:26,356 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:12:26,369 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:12:26,370 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:12:26,371 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:12:26,374 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:12:26,376 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:12:26,379 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:12:26,381 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:12:26,383 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:12:26,384 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:12:26,385 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:12:26,385 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:12:26,386 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:12:26,387 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:12:26,388 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:12:26,389 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:12:26,398 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:12:26,400 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:12:26,403 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:12:26,405 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:12:26,409 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:12:26,411 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:12:26,412 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:12:26,413 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:12:26,414 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:12:26,414 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:12:26,415 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:12:26,416 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:12:26,416 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:12:26,416 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:12:26,416 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:12:26,416 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:12:26,417 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:12:26,421 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:12:26,422 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1515bb35-8a1e-47b4-b2c9-217982359699/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-27 05:12:26,437 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:12:26,439 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:12:26,440 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:12:26,441 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 05:12:26,441 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 05:12:26,441 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 05:12:26,441 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 05:12:26,442 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 05:12:26,442 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:12:26,443 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 05:12:26,443 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 05:12:26,443 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:12:26,443 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:12:26,443 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:12:26,443 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:12:26,443 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-27 05:12:26,443 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-27 05:12:26,444 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 05:12:26,444 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:12:26,444 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:12:26,444 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:12:26,444 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 05:12:26,444 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:12:26,444 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 05:12:26,445 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:12:26,445 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:12:26,445 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:12:26,445 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:12:26,445 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-27 05:12:26,445 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:12:26,445 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-27 05:12:26,446 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-27 05:12:26,448 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_1515bb35-8a1e-47b4-b2c9-217982359699/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 -> aa2c25034ea1a0d2d07bdff448f657a3a1ee96fd [2018-10-27 05:12:26,485 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:12:26,502 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:12:26,506 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:12:26,507 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:12:26,507 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:12:26,508 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1515bb35-8a1e-47b4-b2c9-217982359699/bin-2019/utaipan/../../sv-benchmarks/c/pthread/queue_ok_longest_true-unreach-call.i [2018-10-27 05:12:26,561 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1515bb35-8a1e-47b4-b2c9-217982359699/bin-2019/utaipan/data/0b21187cc/1bd73c4bde6b435a8a434e3299aecf1c/FLAG19e712b18 [2018-10-27 05:12:27,013 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:12:27,014 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1515bb35-8a1e-47b4-b2c9-217982359699/sv-benchmarks/c/pthread/queue_ok_longest_true-unreach-call.i [2018-10-27 05:12:27,029 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1515bb35-8a1e-47b4-b2c9-217982359699/bin-2019/utaipan/data/0b21187cc/1bd73c4bde6b435a8a434e3299aecf1c/FLAG19e712b18 [2018-10-27 05:12:27,042 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1515bb35-8a1e-47b4-b2c9-217982359699/bin-2019/utaipan/data/0b21187cc/1bd73c4bde6b435a8a434e3299aecf1c [2018-10-27 05:12:27,045 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:12:27,046 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:12:27,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:12:27,047 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:12:27,051 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:12:27,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:12:27" (1/1) ... [2018-10-27 05:12:27,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41dcc8d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:27, skipping insertion in model container [2018-10-27 05:12:27,054 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:12:27" (1/1) ... [2018-10-27 05:12:27,064 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:12:27,106 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:12:27,620 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:12:27,706 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:12:27,770 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:12:28,048 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:12:28,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:28 WrapperNode [2018-10-27 05:12:28,049 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:12:28,049 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:12:28,050 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:12:28,050 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:12:28,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:28" (1/1) ... [2018-10-27 05:12:28,215 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:28" (1/1) ... [2018-10-27 05:12:28,424 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:12:28,425 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:12:28,425 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:12:28,425 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:12:28,434 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:28" (1/1) ... [2018-10-27 05:12:28,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:28" (1/1) ... [2018-10-27 05:12:28,509 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:28" (1/1) ... [2018-10-27 05:12:28,510 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:28" (1/1) ... [2018-10-27 05:12:28,640 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:28" (1/1) ... [2018-10-27 05:12:28,663 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:28" (1/1) ... [2018-10-27 05:12:28,724 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:28" (1/1) ... [2018-10-27 05:12:28,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:12:28,765 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:12:28,765 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:12:28,765 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:12:28,766 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1515bb35-8a1e-47b4-b2c9-217982359699/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 05:12:28,829 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2018-10-27 05:12:28,829 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2018-10-27 05:12:28,829 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2018-10-27 05:12:28,829 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2018-10-27 05:12:28,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 05:12:28,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 05:12:28,830 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2018-10-27 05:12:28,830 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2018-10-27 05:12:28,830 INFO L130 BoogieDeclarations]: Found specification of procedure enqueue [2018-10-27 05:12:28,830 INFO L138 BoogieDeclarations]: Found implementation of procedure enqueue [2018-10-27 05:12:28,830 INFO L130 BoogieDeclarations]: Found specification of procedure init [2018-10-27 05:12:28,830 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2018-10-27 05:12:28,831 INFO L130 BoogieDeclarations]: Found specification of procedure dequeue [2018-10-27 05:12:28,831 INFO L138 BoogieDeclarations]: Found implementation of procedure dequeue [2018-10-27 05:12:28,831 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 05:12:28,831 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 05:12:28,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:12:28,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:12:28,834 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 05:12:48,330 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:12:48,598 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:48,602 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:48,602 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:48,602 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:48,603 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-27 05:12:48,610 INFO L168 Benchmark]: Toolchain (without parser) took 21564.69 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 520.1 MB). Free memory was 949.2 MB in the beginning and 1.4 GB in the end (delta: -426.0 MB). Peak memory consumption was 538.6 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:48,613 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:12:48,613 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1002.11 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 857.9 MB in the end (delta: 91.3 MB). Peak memory consumption was 91.3 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:48,614 INFO L168 Benchmark]: Boogie Procedure Inliner took 375.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 857.9 MB in the beginning and 1.1 GB in the end (delta: -257.1 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:48,616 INFO L168 Benchmark]: Boogie Preprocessor took 339.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.6 MB). Peak memory consumption was 51.6 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:48,617 INFO L168 Benchmark]: RCFGBuilder took 19844.46 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 355.5 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -311.7 MB). Peak memory consumption was 488.3 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:48,620 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 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 1002.11 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 857.9 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 375.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 857.9 MB in the beginning and 1.1 GB in the end (delta: -257.1 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 339.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.6 MB). Peak memory consumption was 51.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 19844.46 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 355.5 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -311.7 MB). Peak memory consumption was 488.3 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...