./Ultimate.py --spec ../../sv-benchmarks/c/ConcurrencySafety.prp --file ../../sv-benchmarks/c/pthread/queue_ok_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_df29ef9c-f71d-4451-8d04-87de61352e54/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_df29ef9c-f71d-4451-8d04-87de61352e54/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_df29ef9c-f71d-4451-8d04-87de61352e54/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_df29ef9c-f71d-4451-8d04-87de61352e54/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/queue_ok_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_df29ef9c-f71d-4451-8d04-87de61352e54/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_df29ef9c-f71d-4451-8d04-87de61352e54/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 5c46c278ae607027f4df82d67a2a6f18648f9927 ..................................................................................................................................................................................................... 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_df29ef9c-f71d-4451-8d04-87de61352e54/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_df29ef9c-f71d-4451-8d04-87de61352e54/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_df29ef9c-f71d-4451-8d04-87de61352e54/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_df29ef9c-f71d-4451-8d04-87de61352e54/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/queue_ok_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_df29ef9c-f71d-4451-8d04-87de61352e54/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_df29ef9c-f71d-4451-8d04-87de61352e54/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 5c46c278ae607027f4df82d67a2a6f18648f9927 ............................................................................................................................................................................................................. 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 05:12:51,833 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:12:51,834 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:12:51,844 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:12:51,844 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:12:51,845 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:12:51,846 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:12:51,848 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:12:51,849 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:12:51,850 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:12:51,850 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:12:51,851 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:12:51,852 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:12:51,853 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:12:51,853 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:12:51,854 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:12:51,855 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:12:51,857 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:12:51,858 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:12:51,860 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:12:51,861 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:12:51,862 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:12:51,864 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:12:51,864 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:12:51,864 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:12:51,865 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:12:51,866 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:12:51,866 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:12:51,867 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:12:51,868 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:12:51,868 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:12:51,869 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:12:51,869 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:12:51,869 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:12:51,870 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:12:51,871 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:12:51,871 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_df29ef9c-f71d-4451-8d04-87de61352e54/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-27 05:12:51,882 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:12:51,883 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:12:51,883 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:12:51,884 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 05:12:51,884 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 05:12:51,884 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 05:12:51,884 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 05:12:51,884 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 05:12:51,884 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 05:12:51,884 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 05:12:51,885 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 05:12:51,885 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:12:51,885 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 05:12:51,886 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 05:12:51,886 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 05:12:51,886 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:12:51,886 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:12:51,886 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:12:51,886 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:12:51,886 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 05:12:51,886 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:12:51,887 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:12:51,889 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:12:51,889 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 05:12:51,889 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:12:51,889 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 05:12:51,890 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:12:51,890 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:12:51,890 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:12:51,890 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:12:51,890 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 05:12:51,890 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:12:51,890 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 05:12:51,891 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 05:12:51,891 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_df29ef9c-f71d-4451-8d04-87de61352e54/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 -> 5c46c278ae607027f4df82d67a2a6f18648f9927 [2018-10-27 05:12:51,919 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:12:51,929 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:12:51,932 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:12:51,933 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:12:51,934 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:12:51,935 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_df29ef9c-f71d-4451-8d04-87de61352e54/bin-2019/utaipan/../../sv-benchmarks/c/pthread/queue_ok_true-unreach-call.i [2018-10-27 05:12:51,982 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_df29ef9c-f71d-4451-8d04-87de61352e54/bin-2019/utaipan/data/296756cb7/bf956932a43b49e5a72acb70ebb5b0db/FLAG5ec2acd46 [2018-10-27 05:12:52,498 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:12:52,499 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_df29ef9c-f71d-4451-8d04-87de61352e54/sv-benchmarks/c/pthread/queue_ok_true-unreach-call.i [2018-10-27 05:12:52,514 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_df29ef9c-f71d-4451-8d04-87de61352e54/bin-2019/utaipan/data/296756cb7/bf956932a43b49e5a72acb70ebb5b0db/FLAG5ec2acd46 [2018-10-27 05:12:52,528 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_df29ef9c-f71d-4451-8d04-87de61352e54/bin-2019/utaipan/data/296756cb7/bf956932a43b49e5a72acb70ebb5b0db [2018-10-27 05:12:52,532 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:12:52,533 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:12:52,534 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:12:52,535 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:12:52,539 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:12:52,540 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:12:52" (1/1) ... [2018-10-27 05:12:52,543 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3493b476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:52, skipping insertion in model container [2018-10-27 05:12:52,543 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:12:52" (1/1) ... [2018-10-27 05:12:52,554 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:12:52,602 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:12:53,068 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:12:53,083 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:12:53,166 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:12:53,282 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:12:53,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:53 WrapperNode [2018-10-27 05:12:53,283 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:12:53,284 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:12:53,284 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:12:53,284 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:12:53,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:53" (1/1) ... [2018-10-27 05:12:53,395 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:53" (1/1) ... [2018-10-27 05:12:53,437 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:12:53,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:12:53,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:12:53,438 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:12:53,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:53" (1/1) ... [2018-10-27 05:12:53,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:53" (1/1) ... [2018-10-27 05:12:53,462 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:53" (1/1) ... [2018-10-27 05:12:53,462 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:53" (1/1) ... [2018-10-27 05:12:53,482 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:53" (1/1) ... [2018-10-27 05:12:53,488 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:53" (1/1) ... [2018-10-27 05:12:53,493 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:53" (1/1) ... [2018-10-27 05:12:53,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:12:53,507 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:12:53,507 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:12:53,507 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:12:53,508 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_df29ef9c-f71d-4451-8d04-87de61352e54/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 05:12:53,573 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2018-10-27 05:12:53,573 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2018-10-27 05:12:53,574 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2018-10-27 05:12:53,574 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2018-10-27 05:12:53,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 05:12:53,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 05:12:53,574 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2018-10-27 05:12:53,574 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2018-10-27 05:12:53,574 INFO L130 BoogieDeclarations]: Found specification of procedure enqueue [2018-10-27 05:12:53,574 INFO L138 BoogieDeclarations]: Found implementation of procedure enqueue [2018-10-27 05:12:53,574 INFO L130 BoogieDeclarations]: Found specification of procedure init [2018-10-27 05:12:53,575 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2018-10-27 05:12:53,575 INFO L130 BoogieDeclarations]: Found specification of procedure dequeue [2018-10-27 05:12:53,576 INFO L138 BoogieDeclarations]: Found implementation of procedure dequeue [2018-10-27 05:12:53,576 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 05:12:53,576 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 05:12:53,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:12:53,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:12:53,578 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 05:12:55,990 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:12:56,043 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:56,044 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:56,046 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:56,046 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:56,048 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-27 05:12:56,055 INFO L168 Benchmark]: Toolchain (without parser) took 3522.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.5 MB). Free memory was 951.8 MB in the beginning and 1.0 GB in the end (delta: -85.5 MB). Peak memory consumption was 88.0 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:56,057 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:12:56,057 INFO L168 Benchmark]: CACSL2BoogieTranslator took 749.04 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 892.7 MB in the end (delta: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:56,059 INFO L168 Benchmark]: Boogie Procedure Inliner took 153.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.5 MB). Free memory was 892.7 MB in the beginning and 1.2 GB in the end (delta: -269.2 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:56,059 INFO L168 Benchmark]: Boogie Preprocessor took 68.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:56,060 INFO L168 Benchmark]: RCFGBuilder took 2546.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 121.3 MB). Peak memory consumption was 121.3 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:56,065 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 749.04 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 892.7 MB in the end (delta: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 153.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.5 MB). Free memory was 892.7 MB in the beginning and 1.2 GB in the end (delta: -269.2 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 68.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2546.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 121.3 MB). Peak memory consumption was 121.3 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... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-27 05:12:58,032 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:12:58,034 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:12:58,044 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:12:58,045 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:12:58,045 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:12:58,046 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:12:58,051 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:12:58,053 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:12:58,053 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:12:58,053 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:12:58,054 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:12:58,054 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:12:58,055 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:12:58,057 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:12:58,057 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:12:58,058 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:12:58,059 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:12:58,060 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:12:58,062 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:12:58,062 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:12:58,071 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:12:58,073 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:12:58,073 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:12:58,074 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:12:58,074 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:12:58,076 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:12:58,076 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:12:58,077 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:12:58,078 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:12:58,078 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:12:58,078 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:12:58,079 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:12:58,079 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:12:58,080 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:12:58,081 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:12:58,081 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_df29ef9c-f71d-4451-8d04-87de61352e54/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-27 05:12:58,097 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:12:58,097 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:12:58,098 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:12:58,098 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 05:12:58,098 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 05:12:58,098 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 05:12:58,099 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 05:12:58,099 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 05:12:58,099 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:12:58,099 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 05:12:58,100 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 05:12:58,100 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:12:58,100 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:12:58,100 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:12:58,100 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:12:58,100 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-27 05:12:58,100 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-27 05:12:58,101 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 05:12:58,101 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:12:58,101 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:12:58,101 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:12:58,101 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 05:12:58,101 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:12:58,102 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 05:12:58,102 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:12:58,102 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:12:58,102 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:12:58,102 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:12:58,102 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-27 05:12:58,102 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:12:58,103 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-27 05:12:58,103 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-27 05:12:58,106 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_df29ef9c-f71d-4451-8d04-87de61352e54/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 -> 5c46c278ae607027f4df82d67a2a6f18648f9927 [2018-10-27 05:12:58,154 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:12:58,168 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:12:58,172 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:12:58,173 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:12:58,174 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:12:58,174 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_df29ef9c-f71d-4451-8d04-87de61352e54/bin-2019/utaipan/../../sv-benchmarks/c/pthread/queue_ok_true-unreach-call.i [2018-10-27 05:12:58,219 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_df29ef9c-f71d-4451-8d04-87de61352e54/bin-2019/utaipan/data/104f90040/afda7bbf48bc431781498653689c5d6a/FLAGe2ad711d5 [2018-10-27 05:12:58,677 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:12:58,678 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_df29ef9c-f71d-4451-8d04-87de61352e54/sv-benchmarks/c/pthread/queue_ok_true-unreach-call.i [2018-10-27 05:12:58,704 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_df29ef9c-f71d-4451-8d04-87de61352e54/bin-2019/utaipan/data/104f90040/afda7bbf48bc431781498653689c5d6a/FLAGe2ad711d5 [2018-10-27 05:12:58,715 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_df29ef9c-f71d-4451-8d04-87de61352e54/bin-2019/utaipan/data/104f90040/afda7bbf48bc431781498653689c5d6a [2018-10-27 05:12:58,718 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:12:58,719 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:12:58,720 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:12:58,720 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:12:58,724 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:12:58,725 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:12:58" (1/1) ... [2018-10-27 05:12:58,728 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@85dc524 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:58, skipping insertion in model container [2018-10-27 05:12:58,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:12:58" (1/1) ... [2018-10-27 05:12:58,738 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:12:58,780 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:12:59,357 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:12:59,377 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:12:59,434 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:12:59,602 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:12:59,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:59 WrapperNode [2018-10-27 05:12:59,602 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:12:59,603 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:12:59,603 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:12:59,603 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:12:59,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:59" (1/1) ... [2018-10-27 05:12:59,644 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:59" (1/1) ... [2018-10-27 05:12:59,861 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:12:59,861 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:12:59,862 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:12:59,862 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:12:59,881 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:59" (1/1) ... [2018-10-27 05:12:59,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:59" (1/1) ... [2018-10-27 05:12:59,890 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:59" (1/1) ... [2018-10-27 05:12:59,891 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:59" (1/1) ... [2018-10-27 05:12:59,921 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:59" (1/1) ... [2018-10-27 05:12:59,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:59" (1/1) ... [2018-10-27 05:12:59,931 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:59" (1/1) ... [2018-10-27 05:12:59,937 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:12:59,938 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:12:59,938 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:12:59,938 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:12:59,940 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_df29ef9c-f71d-4451-8d04-87de61352e54/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 05:13:00,002 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2018-10-27 05:13:00,003 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2018-10-27 05:13:00,003 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2018-10-27 05:13:00,003 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2018-10-27 05:13:00,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 05:13:00,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 05:13:00,004 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2018-10-27 05:13:00,004 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2018-10-27 05:13:00,004 INFO L130 BoogieDeclarations]: Found specification of procedure enqueue [2018-10-27 05:13:00,004 INFO L138 BoogieDeclarations]: Found implementation of procedure enqueue [2018-10-27 05:13:00,004 INFO L130 BoogieDeclarations]: Found specification of procedure init [2018-10-27 05:13:00,005 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2018-10-27 05:13:00,005 INFO L130 BoogieDeclarations]: Found specification of procedure dequeue [2018-10-27 05:13:00,005 INFO L138 BoogieDeclarations]: Found implementation of procedure dequeue [2018-10-27 05:13:00,005 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 05:13:00,005 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 05:13:00,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:13:00,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:13:00,009 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 05:13:03,117 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:13:03,178 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:13:03,178 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:13:03,179 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:13:03,179 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:13:03,180 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-27 05:13:03,186 INFO L168 Benchmark]: Toolchain (without parser) took 4467.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.3 MB). Free memory was 949.2 MB in the beginning and 1.0 GB in the end (delta: -80.3 MB). Peak memory consumption was 98.0 MB. Max. memory is 11.5 GB. [2018-10-27 05:13:03,194 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:13:03,194 INFO L168 Benchmark]: CACSL2BoogieTranslator took 882.56 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 890.2 MB in the end (delta: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. [2018-10-27 05:13:03,195 INFO L168 Benchmark]: Boogie Procedure Inliner took 258.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.3 MB). Free memory was 890.2 MB in the beginning and 1.2 GB in the end (delta: -280.1 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2018-10-27 05:13:03,196 INFO L168 Benchmark]: Boogie Preprocessor took 76.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-10-27 05:13:03,196 INFO L168 Benchmark]: RCFGBuilder took 3245.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 134.1 MB). Peak memory consumption was 134.1 MB. Max. memory is 11.5 GB. [2018-10-27 05:13:03,201 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 882.56 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 890.2 MB in the end (delta: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 258.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.3 MB). Free memory was 890.2 MB in the beginning and 1.2 GB in the end (delta: -280.1 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 76.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3245.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 134.1 MB). Peak memory consumption was 134.1 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...