./Ultimate.py --spec ../../sv-benchmarks/c/ConcurrencySafety.prp --file ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer_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_3bbfd6b6-d2db-4ab7-a657-b1c0b9b86319/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3bbfd6b6-d2db-4ab7-a657-b1c0b9b86319/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3bbfd6b6-d2db-4ab7-a657-b1c0b9b86319/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3bbfd6b6-d2db-4ab7-a657-b1c0b9b86319/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_3bbfd6b6-d2db-4ab7-a657-b1c0b9b86319/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3bbfd6b6-d2db-4ab7-a657-b1c0b9b86319/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 70c492d22dba8809604bfddd739fc84368c94110 .................................................................................................................................................................................................................... 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_3bbfd6b6-d2db-4ab7-a657-b1c0b9b86319/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3bbfd6b6-d2db-4ab7-a657-b1c0b9b86319/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3bbfd6b6-d2db-4ab7-a657-b1c0b9b86319/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3bbfd6b6-d2db-4ab7-a657-b1c0b9b86319/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_3bbfd6b6-d2db-4ab7-a657-b1c0b9b86319/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3bbfd6b6-d2db-4ab7-a657-b1c0b9b86319/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 70c492d22dba8809604bfddd739fc84368c94110 ................................................................................................................................................................................................................... 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 [2018-11-10 12:57:04,698 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:57:04,699 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:57:04,706 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:57:04,706 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:57:04,707 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:57:04,708 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:57:04,709 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:57:04,710 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:57:04,710 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:57:04,711 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:57:04,711 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:57:04,712 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:57:04,713 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:57:04,713 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:57:04,714 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:57:04,715 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:57:04,716 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:57:04,717 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:57:04,718 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:57:04,719 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:57:04,720 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:57:04,721 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:57:04,722 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:57:04,722 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:57:04,722 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:57:04,723 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:57:04,724 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:57:04,724 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:57:04,725 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:57:04,725 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:57:04,726 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:57:04,726 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:57:04,726 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:57:04,727 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:57:04,727 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:57:04,727 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3bbfd6b6-d2db-4ab7-a657-b1c0b9b86319/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 12:57:04,737 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:57:04,737 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:57:04,738 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:57:04,738 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 12:57:04,738 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 12:57:04,738 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 12:57:04,738 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 12:57:04,739 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 12:57:04,739 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 12:57:04,739 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 12:57:04,739 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 12:57:04,739 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:57:04,740 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:57:04,740 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:57:04,740 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:57:04,740 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:57:04,740 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:57:04,740 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:57:04,740 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:57:04,741 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:57:04,741 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:57:04,741 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:57:04,741 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:57:04,741 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 12:57:04,741 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:57:04,741 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 12:57:04,742 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 12:57:04,742 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:57:04,742 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:57:04,742 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:57:04,742 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 12:57:04,742 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:57:04,742 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 12:57:04,742 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 12:57:04,743 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_3bbfd6b6-d2db-4ab7-a657-b1c0b9b86319/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 -> 70c492d22dba8809604bfddd739fc84368c94110 [2018-11-10 12:57:04,764 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:57:04,772 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:57:04,775 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:57:04,776 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:57:04,776 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:57:04,776 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3bbfd6b6-d2db-4ab7-a657-b1c0b9b86319/bin-2019/utaipan/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer_true-unreach-call.i [2018-11-10 12:57:04,813 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3bbfd6b6-d2db-4ab7-a657-b1c0b9b86319/bin-2019/utaipan/data/3a2b7e43b/d04cb57dc94e423eac7012e80a7e036d/FLAG5aa2bad95 [2018-11-10 12:57:05,262 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:57:05,263 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3bbfd6b6-d2db-4ab7-a657-b1c0b9b86319/sv-benchmarks/c/pthread-ext/26_stack_cas_longer_true-unreach-call.i [2018-11-10 12:57:05,272 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3bbfd6b6-d2db-4ab7-a657-b1c0b9b86319/bin-2019/utaipan/data/3a2b7e43b/d04cb57dc94e423eac7012e80a7e036d/FLAG5aa2bad95 [2018-11-10 12:57:05,282 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3bbfd6b6-d2db-4ab7-a657-b1c0b9b86319/bin-2019/utaipan/data/3a2b7e43b/d04cb57dc94e423eac7012e80a7e036d [2018-11-10 12:57:05,284 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:57:05,285 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:57:05,285 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:57:05,285 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:57:05,288 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:57:05,288 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:57:05" (1/1) ... [2018-11-10 12:57:05,290 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d0eb7c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:57:05, skipping insertion in model container [2018-11-10 12:57:05,290 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:57:05" (1/1) ... [2018-11-10 12:57:05,297 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:57:05,325 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:57:05,530 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:57:05,565 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:57:05,598 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:57:05,725 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:57:05,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:57:05 WrapperNode [2018-11-10 12:57:05,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:57:05,726 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:57:05,726 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:57:05,726 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:57:05,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:57:05" (1/1) ... [2018-11-10 12:57:05,744 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:57:05" (1/1) ... [2018-11-10 12:57:05,768 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:57:05,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:57:05,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:57:05,768 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:57:05,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:57:05" (1/1) ... [2018-11-10 12:57:05,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:57:05" (1/1) ... [2018-11-10 12:57:05,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:57:05" (1/1) ... [2018-11-10 12:57:05,778 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:57:05" (1/1) ... [2018-11-10 12:57:05,789 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:57:05" (1/1) ... [2018-11-10 12:57:05,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:57:05" (1/1) ... [2018-11-10 12:57:05,801 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:57:05" (1/1) ... [2018-11-10 12:57:05,805 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:57:05,806 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:57:05,806 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:57:05,806 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:57:05,807 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:57:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3bbfd6b6-d2db-4ab7-a657-b1c0b9b86319/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 12:57:05,858 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_assert [2018-11-10 12:57:05,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_assert [2018-11-10 12:57:05,858 INFO L130 BoogieDeclarations]: Found specification of procedure push [2018-11-10 12:57:05,858 INFO L138 BoogieDeclarations]: Found implementation of procedure push [2018-11-10 12:57:05,858 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-10 12:57:05,858 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-10 12:57:05,859 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2018-11-10 12:57:05,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2018-11-10 12:57:05,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 12:57:05,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 12:57:05,859 INFO L130 BoogieDeclarations]: Found specification of procedure push_loop [2018-11-10 12:57:05,859 INFO L138 BoogieDeclarations]: Found implementation of procedure push_loop [2018-11-10 12:57:05,859 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 12:57:05,859 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 12:57:05,859 INFO L130 BoogieDeclarations]: Found specification of procedure index_malloc [2018-11-10 12:57:05,859 INFO L138 BoogieDeclarations]: Found implementation of procedure index_malloc [2018-11-10 12:57:05,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_CAS [2018-11-10 12:57:05,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_CAS [2018-11-10 12:57:05,860 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2018-11-10 12:57:05,860 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2018-11-10 12:57:05,860 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2018-11-10 12:57:05,860 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2018-11-10 12:57:05,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2018-11-10 12:57:05,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2018-11-10 12:57:05,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:57:05,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:57:05,861 WARN L200 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-10 12:57:06,784 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:57:06,817 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 12:57:06,817 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 12:57:06,818 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-10 12:57:06,820 INFO L168 Benchmark]: Toolchain (without parser) took 1535.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 200.8 MB). Free memory was 956.5 MB in the beginning and 1.0 GB in the end (delta: -72.0 MB). Peak memory consumption was 128.8 MB. Max. memory is 11.5 GB. [2018-11-10 12:57:06,821 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:57:06,821 INFO L168 Benchmark]: CACSL2BoogieTranslator took 440.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 200.8 MB). Free memory was 956.5 MB in the beginning and 1.2 GB in the end (delta: -226.9 MB). Peak memory consumption was 44.4 MB. Max. memory is 11.5 GB. [2018-11-10 12:57:06,822 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:57:06,822 INFO L168 Benchmark]: Boogie Preprocessor took 37.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:57:06,823 INFO L168 Benchmark]: RCFGBuilder took 1013.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 135.4 MB). Peak memory consumption was 135.4 MB. Max. memory is 11.5 GB. [2018-11-10 12:57:06,825 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 440.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 200.8 MB). Free memory was 956.5 MB in the beginning and 1.2 GB in the end (delta: -226.9 MB). Peak memory consumption was 44.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.09 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: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.20 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: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1013.86 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: 135.4 MB). Peak memory consumption was 135.4 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 [2018-11-10 12:57:08,279 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:57:08,280 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:57:08,288 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:57:08,288 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:57:08,289 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:57:08,290 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:57:08,291 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:57:08,292 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:57:08,292 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:57:08,293 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:57:08,293 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:57:08,294 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:57:08,295 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:57:08,296 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:57:08,296 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:57:08,297 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:57:08,298 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:57:08,299 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:57:08,301 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:57:08,301 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:57:08,302 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:57:08,304 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:57:08,304 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:57:08,304 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:57:08,305 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:57:08,305 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:57:08,306 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:57:08,307 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:57:08,308 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:57:08,308 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:57:08,309 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:57:08,309 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:57:08,309 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:57:08,309 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:57:08,310 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:57:08,310 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3bbfd6b6-d2db-4ab7-a657-b1c0b9b86319/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-10 12:57:08,321 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:57:08,321 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:57:08,322 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:57:08,322 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 12:57:08,322 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 12:57:08,322 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 12:57:08,323 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 12:57:08,323 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 12:57:08,323 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:57:08,323 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:57:08,324 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:57:08,324 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:57:08,324 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:57:08,324 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:57:08,324 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:57:08,324 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 12:57:08,324 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 12:57:08,324 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:57:08,325 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:57:08,325 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:57:08,325 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:57:08,325 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 12:57:08,325 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:57:08,325 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 12:57:08,325 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 12:57:08,326 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:57:08,326 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:57:08,326 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:57:08,326 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 12:57:08,328 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:57:08,328 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 12:57:08,328 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 12:57:08,328 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_3bbfd6b6-d2db-4ab7-a657-b1c0b9b86319/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 -> 70c492d22dba8809604bfddd739fc84368c94110 [2018-11-10 12:57:08,358 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:57:08,367 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:57:08,370 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:57:08,371 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:57:08,371 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:57:08,372 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3bbfd6b6-d2db-4ab7-a657-b1c0b9b86319/bin-2019/utaipan/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer_true-unreach-call.i [2018-11-10 12:57:08,415 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3bbfd6b6-d2db-4ab7-a657-b1c0b9b86319/bin-2019/utaipan/data/4f1b77433/53fc6601878a4b7da02a9d7d5726120c/FLAG38e7ccf4c [2018-11-10 12:57:08,763 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:57:08,764 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3bbfd6b6-d2db-4ab7-a657-b1c0b9b86319/sv-benchmarks/c/pthread-ext/26_stack_cas_longer_true-unreach-call.i [2018-11-10 12:57:08,773 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3bbfd6b6-d2db-4ab7-a657-b1c0b9b86319/bin-2019/utaipan/data/4f1b77433/53fc6601878a4b7da02a9d7d5726120c/FLAG38e7ccf4c [2018-11-10 12:57:08,782 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3bbfd6b6-d2db-4ab7-a657-b1c0b9b86319/bin-2019/utaipan/data/4f1b77433/53fc6601878a4b7da02a9d7d5726120c [2018-11-10 12:57:08,785 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:57:08,786 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:57:08,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:57:08,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:57:08,788 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:57:08,789 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:57:08" (1/1) ... [2018-11-10 12:57:08,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36796db6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:57:08, skipping insertion in model container [2018-11-10 12:57:08,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:57:08" (1/1) ... [2018-11-10 12:57:08,797 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:57:08,828 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:57:09,071 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:57:09,109 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:57:09,146 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:57:09,215 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:57:09,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:57:09 WrapperNode [2018-11-10 12:57:09,215 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:57:09,216 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:57:09,216 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:57:09,216 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:57:09,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:57:09" (1/1) ... [2018-11-10 12:57:09,283 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:57:09" (1/1) ... [2018-11-10 12:57:09,315 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:57:09,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:57:09,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:57:09,316 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:57:09,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:57:09" (1/1) ... [2018-11-10 12:57:09,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:57:09" (1/1) ... [2018-11-10 12:57:09,328 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:57:09" (1/1) ... [2018-11-10 12:57:09,328 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:57:09" (1/1) ... [2018-11-10 12:57:09,343 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:57:09" (1/1) ... [2018-11-10 12:57:09,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:57:09" (1/1) ... [2018-11-10 12:57:09,355 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:57:09" (1/1) ... [2018-11-10 12:57:09,360 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:57:09,360 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:57:09,361 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:57:09,361 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:57:09,361 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:57:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3bbfd6b6-d2db-4ab7-a657-b1c0b9b86319/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 12:57:09,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_assert [2018-11-10 12:57:09,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_assert [2018-11-10 12:57:09,409 INFO L130 BoogieDeclarations]: Found specification of procedure push [2018-11-10 12:57:09,409 INFO L138 BoogieDeclarations]: Found implementation of procedure push [2018-11-10 12:57:09,409 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-10 12:57:09,409 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-10 12:57:09,409 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2018-11-10 12:57:09,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2018-11-10 12:57:09,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 12:57:09,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 12:57:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure push_loop [2018-11-10 12:57:09,410 INFO L138 BoogieDeclarations]: Found implementation of procedure push_loop [2018-11-10 12:57:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 12:57:09,410 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 12:57:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure index_malloc [2018-11-10 12:57:09,410 INFO L138 BoogieDeclarations]: Found implementation of procedure index_malloc [2018-11-10 12:57:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_CAS [2018-11-10 12:57:09,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_CAS [2018-11-10 12:57:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2018-11-10 12:57:09,411 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2018-11-10 12:57:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2018-11-10 12:57:09,411 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2018-11-10 12:57:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2018-11-10 12:57:09,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2018-11-10 12:57:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:57:09,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:57:09,412 WARN L200 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-10 12:57:10,447 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:57:10,484 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 12:57:10,484 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 12:57:10,485 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-10 12:57:10,487 INFO L168 Benchmark]: Toolchain (without parser) took 1702.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 943.8 MB in the beginning and 988.8 MB in the end (delta: -45.0 MB). Peak memory consumption was 112.9 MB. Max. memory is 11.5 GB. [2018-11-10 12:57:10,489 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:57:10,489 INFO L168 Benchmark]: CACSL2BoogieTranslator took 429.33 ms. Allocated memory is still 1.0 GB. Free memory was 943.8 MB in the beginning and 900.9 MB in the end (delta: 42.9 MB). Peak memory consumption was 42.9 MB. Max. memory is 11.5 GB. [2018-11-10 12:57:10,489 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 900.9 MB in the beginning and 1.1 GB in the end (delta: -244.1 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-10 12:57:10,490 INFO L168 Benchmark]: Boogie Preprocessor took 44.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2018-11-10 12:57:10,491 INFO L168 Benchmark]: RCFGBuilder took 1126.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 988.8 MB in the end (delta: 149.7 MB). Peak memory consumption was 149.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:57:10,493 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 429.33 ms. Allocated memory is still 1.0 GB. Free memory was 943.8 MB in the beginning and 900.9 MB in the end (delta: 42.9 MB). Peak memory consumption was 42.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 99.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 900.9 MB in the beginning and 1.1 GB in the end (delta: -244.1 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1126.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 988.8 MB in the end (delta: 149.7 MB). Peak memory consumption was 149.7 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...