./Ultimate.py --spec ../../sv-benchmarks/c/ConcurrencySafety.prp --file ../../sv-benchmarks/c/pthread-wmm/safe031_power.opt_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3c00782e-ace5-4dcf-bc2d-be061a4bef07/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3c00782e-ace5-4dcf-bc2d-be061a4bef07/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3c00782e-ace5-4dcf-bc2d-be061a4bef07/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3c00782e-ace5-4dcf-bc2d-be061a4bef07/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe031_power.opt_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_3c00782e-ace5-4dcf-bc2d-be061a4bef07/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3c00782e-ace5-4dcf-bc2d-be061a4bef07/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 24849c867d7852f51047e765a239b7226a0f0861 ...................................................................................................................................................................................................................... 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_3c00782e-ace5-4dcf-bc2d-be061a4bef07/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3c00782e-ace5-4dcf-bc2d-be061a4bef07/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3c00782e-ace5-4dcf-bc2d-be061a4bef07/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3c00782e-ace5-4dcf-bc2d-be061a4bef07/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe031_power.opt_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_3c00782e-ace5-4dcf-bc2d-be061a4bef07/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3c00782e-ace5-4dcf-bc2d-be061a4bef07/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 24849c867d7852f51047e765a239b7226a0f0861 ..................................................................................................................................................................................................................... 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 05:10:45,630 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:10:45,632 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:10:45,642 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:10:45,642 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:10:45,643 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:10:45,645 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:10:45,646 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:10:45,648 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:10:45,649 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:10:45,650 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:10:45,650 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:10:45,651 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:10:45,652 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:10:45,653 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:10:45,657 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:10:45,663 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:10:45,664 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:10:45,674 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:10:45,676 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:10:45,677 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:10:45,678 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:10:45,679 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:10:45,680 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:10:45,680 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:10:45,685 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:10:45,686 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:10:45,687 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:10:45,688 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:10:45,689 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:10:45,689 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:10:45,689 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:10:45,690 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:10:45,690 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:10:45,692 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:10:45,692 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:10:45,692 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3c00782e-ace5-4dcf-bc2d-be061a4bef07/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-27 05:10:45,705 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:10:45,705 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:10:45,706 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:10:45,706 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 05:10:45,706 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 05:10:45,707 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 05:10:45,707 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 05:10:45,707 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 05:10:45,707 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 05:10:45,707 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 05:10:45,707 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 05:10:45,708 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:10:45,708 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 05:10:45,708 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 05:10:45,708 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 05:10:45,709 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:10:45,709 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:10:45,709 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:10:45,709 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:10:45,709 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 05:10:45,709 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:10:45,710 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:10:45,710 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:10:45,712 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 05:10:45,713 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:10:45,713 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 05:10:45,713 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:10:45,713 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:10:45,713 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:10:45,713 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:10:45,714 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 05:10:45,714 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:10:45,714 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 05:10:45,714 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 05:10:45,714 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_3c00782e-ace5-4dcf-bc2d-be061a4bef07/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 -> 24849c867d7852f51047e765a239b7226a0f0861 [2018-10-27 05:10:45,745 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:10:45,756 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:10:45,760 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:10:45,761 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:10:45,761 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:10:45,762 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3c00782e-ace5-4dcf-bc2d-be061a4bef07/bin-2019/utaipan/../../sv-benchmarks/c/pthread-wmm/safe031_power.opt_false-unreach-call.i [2018-10-27 05:10:45,813 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3c00782e-ace5-4dcf-bc2d-be061a4bef07/bin-2019/utaipan/data/f56b35a7b/6f0eb5d7e7c8436db62a38970ec0cb3a/FLAG40115a4ff [2018-10-27 05:10:46,311 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:10:46,312 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3c00782e-ace5-4dcf-bc2d-be061a4bef07/sv-benchmarks/c/pthread-wmm/safe031_power.opt_false-unreach-call.i [2018-10-27 05:10:46,332 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3c00782e-ace5-4dcf-bc2d-be061a4bef07/bin-2019/utaipan/data/f56b35a7b/6f0eb5d7e7c8436db62a38970ec0cb3a/FLAG40115a4ff [2018-10-27 05:10:46,345 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3c00782e-ace5-4dcf-bc2d-be061a4bef07/bin-2019/utaipan/data/f56b35a7b/6f0eb5d7e7c8436db62a38970ec0cb3a [2018-10-27 05:10:46,349 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:10:46,350 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:10:46,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:10:46,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:10:46,356 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:10:46,357 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:10:46" (1/1) ... [2018-10-27 05:10:46,360 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39d51faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:46, skipping insertion in model container [2018-10-27 05:10:46,360 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:10:46" (1/1) ... [2018-10-27 05:10:46,370 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:10:46,431 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:10:46,751 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:10:46,757 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:10:46,823 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:10:46,880 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:10:46,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:46 WrapperNode [2018-10-27 05:10:46,880 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:10:46,881 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:10:46,881 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:10:46,881 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:10:46,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:46" (1/1) ... [2018-10-27 05:10:46,909 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:46" (1/1) ... [2018-10-27 05:10:47,016 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:10:47,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:10:47,017 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:10:47,017 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:10:47,027 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:46" (1/1) ... [2018-10-27 05:10:47,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:46" (1/1) ... [2018-10-27 05:10:47,035 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:46" (1/1) ... [2018-10-27 05:10:47,037 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:46" (1/1) ... [2018-10-27 05:10:47,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:46" (1/1) ... [2018-10-27 05:10:47,049 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:46" (1/1) ... [2018-10-27 05:10:47,053 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:46" (1/1) ... [2018-10-27 05:10:47,057 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:10:47,057 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:10:47,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:10:47,058 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:10:47,059 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3c00782e-ace5-4dcf-bc2d-be061a4bef07/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 05:10:47,130 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-27 05:10:47,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-10-27 05:10:47,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 05:10:47,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 05:10:47,131 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 05:10:47,131 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 05:10:47,131 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-10-27 05:10:47,131 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-10-27 05:10:47,131 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-10-27 05:10:47,131 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-10-27 05:10:47,132 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2018-10-27 05:10:47,132 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2018-10-27 05:10:47,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:10:47,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:10:47,135 WARN L200 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-10-27 05:10:49,041 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:10:49,081 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:10:49,082 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:10:49,083 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:10:49,083 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:10:49,084 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:10:49,085 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:10:49,087 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:10:49,088 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:10:49,089 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:10:49,089 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:10:49,090 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException at de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:250) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:371) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:89) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-27 05:10:49,103 INFO L168 Benchmark]: Toolchain (without parser) took 2753.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 958.0 MB in the beginning and 1.1 GB in the end (delta: -129.0 MB). Peak memory consumption was 36.7 MB. Max. memory is 11.5 GB. [2018-10-27 05:10:49,105 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:10:49,105 INFO L168 Benchmark]: CACSL2BoogieTranslator took 529.00 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 920.4 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-10-27 05:10:49,108 INFO L168 Benchmark]: Boogie Procedure Inliner took 135.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 920.4 MB in the beginning and 1.2 GB in the end (delta: -241.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. [2018-10-27 05:10:49,109 INFO L168 Benchmark]: Boogie Preprocessor took 40.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 05:10:49,114 INFO L168 Benchmark]: RCFGBuilder took 2045.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 72.0 MB). Peak memory consumption was 72.0 MB. Max. memory is 11.5 GB. [2018-10-27 05:10:49,117 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 529.00 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 920.4 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 135.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 920.4 MB in the beginning and 1.2 GB in the end (delta: -241.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.54 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2045.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 72.0 MB). Peak memory consumption was 72.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: null de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: null: de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:250) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-27 05:10:51,111 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:10:51,113 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:10:51,128 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:10:51,129 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:10:51,130 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:10:51,133 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:10:51,135 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:10:51,137 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:10:51,139 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:10:51,141 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:10:51,141 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:10:51,142 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:10:51,143 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:10:51,143 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:10:51,144 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:10:51,145 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:10:51,154 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:10:51,156 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:10:51,158 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:10:51,160 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:10:51,163 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:10:51,166 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:10:51,168 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:10:51,169 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:10:51,169 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:10:51,170 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:10:51,171 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:10:51,171 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:10:51,172 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:10:51,172 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:10:51,173 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:10:51,173 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:10:51,173 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:10:51,175 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:10:51,176 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:10:51,176 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3c00782e-ace5-4dcf-bc2d-be061a4bef07/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-27 05:10:51,189 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:10:51,189 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:10:51,189 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:10:51,190 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 05:10:51,190 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 05:10:51,191 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 05:10:51,191 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 05:10:51,191 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 05:10:51,191 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:10:51,192 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 05:10:51,192 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 05:10:51,192 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:10:51,192 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:10:51,192 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:10:51,192 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:10:51,193 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-27 05:10:51,193 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-27 05:10:51,193 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 05:10:51,193 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:10:51,193 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:10:51,193 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:10:51,194 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 05:10:51,194 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:10:51,194 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 05:10:51,196 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:10:51,196 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:10:51,196 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:10:51,196 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:10:51,197 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-27 05:10:51,197 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:10:51,197 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-27 05:10:51,197 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-27 05:10:51,197 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_3c00782e-ace5-4dcf-bc2d-be061a4bef07/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 -> 24849c867d7852f51047e765a239b7226a0f0861 [2018-10-27 05:10:51,239 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:10:51,250 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:10:51,253 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:10:51,255 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:10:51,255 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:10:51,256 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3c00782e-ace5-4dcf-bc2d-be061a4bef07/bin-2019/utaipan/../../sv-benchmarks/c/pthread-wmm/safe031_power.opt_false-unreach-call.i [2018-10-27 05:10:51,305 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3c00782e-ace5-4dcf-bc2d-be061a4bef07/bin-2019/utaipan/data/89d481faf/d446c07f77d646fc98f9fe116959a946/FLAG505e3cca8 [2018-10-27 05:10:51,750 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:10:51,750 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3c00782e-ace5-4dcf-bc2d-be061a4bef07/sv-benchmarks/c/pthread-wmm/safe031_power.opt_false-unreach-call.i [2018-10-27 05:10:51,764 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3c00782e-ace5-4dcf-bc2d-be061a4bef07/bin-2019/utaipan/data/89d481faf/d446c07f77d646fc98f9fe116959a946/FLAG505e3cca8 [2018-10-27 05:10:51,782 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3c00782e-ace5-4dcf-bc2d-be061a4bef07/bin-2019/utaipan/data/89d481faf/d446c07f77d646fc98f9fe116959a946 [2018-10-27 05:10:51,785 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:10:51,787 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:10:51,788 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:10:51,788 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:10:51,792 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:10:51,793 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:10:51" (1/1) ... [2018-10-27 05:10:51,795 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@142aa1de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:51, skipping insertion in model container [2018-10-27 05:10:51,796 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:10:51" (1/1) ... [2018-10-27 05:10:51,805 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:10:51,850 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:10:52,224 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:10:52,231 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:10:52,291 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:10:52,385 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:10:52,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:52 WrapperNode [2018-10-27 05:10:52,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:10:52,387 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:10:52,387 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:10:52,387 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:10:52,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:52" (1/1) ... [2018-10-27 05:10:52,425 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:52" (1/1) ... [2018-10-27 05:10:52,472 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:10:52,477 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:10:52,479 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:10:52,479 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:10:52,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:52" (1/1) ... [2018-10-27 05:10:52,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:52" (1/1) ... [2018-10-27 05:10:52,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:52" (1/1) ... [2018-10-27 05:10:52,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:52" (1/1) ... [2018-10-27 05:10:52,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:52" (1/1) ... [2018-10-27 05:10:52,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:52" (1/1) ... [2018-10-27 05:10:52,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:52" (1/1) ... [2018-10-27 05:10:52,605 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:10:52,606 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:10:52,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:10:52,606 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:10:52,607 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3c00782e-ace5-4dcf-bc2d-be061a4bef07/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 05:10:52,670 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-27 05:10:52,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-10-27 05:10:52,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 05:10:52,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 05:10:52,671 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 05:10:52,671 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 05:10:52,671 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-10-27 05:10:52,671 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-10-27 05:10:52,671 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-10-27 05:10:52,672 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-10-27 05:10:52,672 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2018-10-27 05:10:52,672 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2018-10-27 05:10:52,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:10:52,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:10:52,673 WARN L200 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-10-27 05:10:54,514 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:10:54,555 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:10:54,556 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:10:54,556 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:10:54,556 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:10:54,557 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:10:54,557 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:10:54,559 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:10:54,559 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:10:54,560 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:10:54,561 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:10:54,561 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException at de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:250) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:371) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:89) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-27 05:10:54,565 INFO L168 Benchmark]: Toolchain (without parser) took 2778.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 945.2 MB in the beginning and 1.0 GB in the end (delta: -89.3 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. [2018-10-27 05:10:54,568 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:10:54,568 INFO L168 Benchmark]: CACSL2BoogieTranslator took 599.00 ms. Allocated memory is still 1.0 GB. Free memory was 945.2 MB in the beginning and 911.6 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. [2018-10-27 05:10:54,569 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.43 ms. Allocated memory is still 1.0 GB. Free memory was 911.6 MB in the beginning and 906.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-27 05:10:54,570 INFO L168 Benchmark]: Boogie Preprocessor took 128.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 906.3 MB in the beginning and 1.1 GB in the end (delta: -205.7 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-10-27 05:10:54,570 INFO L168 Benchmark]: RCFGBuilder took 1957.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 77.5 MB). Peak memory consumption was 77.5 MB. Max. memory is 11.5 GB. [2018-10-27 05:10:54,573 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 599.00 ms. Allocated memory is still 1.0 GB. Free memory was 945.2 MB in the beginning and 911.6 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 89.43 ms. Allocated memory is still 1.0 GB. Free memory was 911.6 MB in the beginning and 906.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 128.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 906.3 MB in the beginning and 1.1 GB in the end (delta: -205.7 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1957.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 77.5 MB). Peak memory consumption was 77.5 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...