./Ultimate.py --spec ../../sv-benchmarks/c/ConcurrencySafety.prp --file ../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs_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_fcc35179-6125-4378-ae4a-9fd539a4de24/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fcc35179-6125-4378-ae4a-9fd539a4de24/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fcc35179-6125-4378-ae4a-9fd539a4de24/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fcc35179-6125-4378-ae4a-9fd539a4de24/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_fcc35179-6125-4378-ae4a-9fd539a4de24/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fcc35179-6125-4378-ae4a-9fd539a4de24/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 bf24cd7b916b23b6d1ee7fcafd0e5b379d458909 .................................................................................................................................................................................................... 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_fcc35179-6125-4378-ae4a-9fd539a4de24/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fcc35179-6125-4378-ae4a-9fd539a4de24/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fcc35179-6125-4378-ae4a-9fd539a4de24/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fcc35179-6125-4378-ae4a-9fd539a4de24/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_fcc35179-6125-4378-ae4a-9fd539a4de24/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fcc35179-6125-4378-ae4a-9fd539a4de24/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 bf24cd7b916b23b6d1ee7fcafd0e5b379d458909 ....................................................................................................................................................................................................... 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 05:10:28,357 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:10:28,359 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:10:28,369 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:10:28,369 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:10:28,370 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:10:28,371 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:10:28,373 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:10:28,375 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:10:28,376 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:10:28,376 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:10:28,377 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:10:28,378 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:10:28,379 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:10:28,380 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:10:28,381 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:10:28,382 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:10:28,384 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:10:28,386 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:10:28,387 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:10:28,388 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:10:28,390 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:10:28,392 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:10:28,393 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:10:28,393 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:10:28,394 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:10:28,395 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:10:28,396 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:10:28,397 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:10:28,398 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:10:28,399 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:10:28,399 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:10:28,400 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:10:28,400 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:10:28,401 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:10:28,402 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:10:28,403 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fcc35179-6125-4378-ae4a-9fd539a4de24/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-27 05:10:28,416 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:10:28,416 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:10:28,417 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:10:28,417 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 05:10:28,417 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 05:10:28,417 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 05:10:28,418 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 05:10:28,418 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 05:10:28,418 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 05:10:28,418 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 05:10:28,418 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 05:10:28,419 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:10:28,419 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 05:10:28,419 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 05:10:28,419 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 05:10:28,420 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:10:28,420 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:10:28,420 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:10:28,420 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:10:28,420 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 05:10:28,420 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:10:28,421 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:10:28,421 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:10:28,421 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 05:10:28,421 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:10:28,424 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 05:10:28,424 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:10:28,424 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:10:28,424 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:10:28,425 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:10:28,425 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 05:10:28,425 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:10:28,425 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 05:10:28,425 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 05:10:28,425 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_fcc35179-6125-4378-ae4a-9fd539a4de24/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 -> bf24cd7b916b23b6d1ee7fcafd0e5b379d458909 [2018-10-27 05:10:28,463 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:10:28,475 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:10:28,478 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:10:28,480 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:10:28,480 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:10:28,481 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fcc35179-6125-4378-ae4a-9fd539a4de24/bin-2019/utaipan/../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs_true-unreach-call.i [2018-10-27 05:10:28,540 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fcc35179-6125-4378-ae4a-9fd539a4de24/bin-2019/utaipan/data/4b9e067cb/4a7da6922c3248ca8b40d81a9bc49196/FLAGb11a6612d [2018-10-27 05:10:28,979 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:10:28,981 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fcc35179-6125-4378-ae4a-9fd539a4de24/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs_true-unreach-call.i [2018-10-27 05:10:28,993 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fcc35179-6125-4378-ae4a-9fd539a4de24/bin-2019/utaipan/data/4b9e067cb/4a7da6922c3248ca8b40d81a9bc49196/FLAGb11a6612d [2018-10-27 05:10:29,019 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fcc35179-6125-4378-ae4a-9fd539a4de24/bin-2019/utaipan/data/4b9e067cb/4a7da6922c3248ca8b40d81a9bc49196 [2018-10-27 05:10:29,023 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:10:29,026 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:10:29,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:10:29,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:10:29,034 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:10:29,035 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:10:29" (1/1) ... [2018-10-27 05:10:29,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76d7854f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:29, skipping insertion in model container [2018-10-27 05:10:29,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:10:29" (1/1) ... [2018-10-27 05:10:29,048 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:10:29,097 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:10:29,371 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:10:29,382 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:10:29,423 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:10:29,479 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:10:29,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:29 WrapperNode [2018-10-27 05:10:29,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:10:29,480 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:10:29,482 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:10:29,482 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:10:29,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:29" (1/1) ... [2018-10-27 05:10:29,512 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:29" (1/1) ... [2018-10-27 05:10:29,603 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:10:29,603 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:10:29,603 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:10:29,603 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:10:29,611 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:29" (1/1) ... [2018-10-27 05:10:29,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:29" (1/1) ... [2018-10-27 05:10:29,614 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:29" (1/1) ... [2018-10-27 05:10:29,615 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:29" (1/1) ... [2018-10-27 05:10:29,620 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:29" (1/1) ... [2018-10-27 05:10:29,624 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:29" (1/1) ... [2018-10-27 05:10:29,626 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:29" (1/1) ... [2018-10-27 05:10:29,628 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:10:29,629 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:10:29,629 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:10:29,629 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:10:29,630 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fcc35179-6125-4378-ae4a-9fd539a4de24/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 05:10:29,697 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-10-27 05:10:29,697 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-10-27 05:10:29,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_fetch_and_inc [2018-10-27 05:10:29,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_fetch_and_inc [2018-10-27 05:10:29,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 05:10:29,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 05:10:29,698 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 05:10:29,698 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 05:10:29,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:10:29,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:10:29,700 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 05:10:30,592 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:10:30,617 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:10:30,617 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:10:30,618 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-27 05:10:30,621 INFO L168 Benchmark]: Toolchain (without parser) took 1595.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.4 MB). Free memory was 958.0 MB in the beginning and 1.1 GB in the end (delta: -187.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:10:30,623 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:10:30,623 INFO L168 Benchmark]: CACSL2BoogieTranslator took 452.85 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 928.5 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-10-27 05:10:30,624 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.4 MB). Free memory was 928.5 MB in the beginning and 1.2 GB in the end (delta: -245.6 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2018-10-27 05:10:30,624 INFO L168 Benchmark]: Boogie Preprocessor took 25.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-10-27 05:10:30,625 INFO L168 Benchmark]: RCFGBuilder took 991.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 25.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2018-10-27 05:10:30,628 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 452.85 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 928.5 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 122.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.4 MB). Free memory was 928.5 MB in the beginning and 1.2 GB in the end (delta: -245.6 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 991.85 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: 25.8 MB). Peak memory consumption was 25.8 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 05:10:32,663 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:10:32,668 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:10:32,678 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:10:32,679 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:10:32,679 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:10:32,680 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:10:32,682 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:10:32,683 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:10:32,684 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:10:32,684 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:10:32,685 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:10:32,685 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:10:32,686 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:10:32,687 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:10:32,688 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:10:32,689 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:10:32,690 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:10:32,692 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:10:32,693 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:10:32,694 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:10:32,695 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:10:32,697 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:10:32,698 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:10:32,698 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:10:32,699 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:10:32,700 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:10:32,700 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:10:32,701 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:10:32,702 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:10:32,702 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:10:32,703 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:10:32,703 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:10:32,703 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:10:32,704 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:10:32,705 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:10:32,705 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fcc35179-6125-4378-ae4a-9fd539a4de24/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-27 05:10:32,729 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:10:32,730 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:10:32,730 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:10:32,731 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 05:10:32,731 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 05:10:32,731 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 05:10:32,731 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 05:10:32,731 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 05:10:32,732 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:10:32,732 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 05:10:32,732 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 05:10:32,732 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:10:32,732 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:10:32,733 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:10:32,733 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:10:32,733 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-27 05:10:32,733 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-27 05:10:32,733 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 05:10:32,735 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:10:32,735 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:10:32,735 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:10:32,735 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 05:10:32,735 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:10:32,735 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 05:10:32,736 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:10:32,736 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:10:32,736 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:10:32,736 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:10:32,736 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-27 05:10:32,736 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:10:32,736 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-27 05:10:32,737 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-27 05:10:32,737 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_fcc35179-6125-4378-ae4a-9fd539a4de24/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 -> bf24cd7b916b23b6d1ee7fcafd0e5b379d458909 [2018-10-27 05:10:32,788 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:10:32,808 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:10:32,814 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:10:32,815 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:10:32,816 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:10:32,819 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fcc35179-6125-4378-ae4a-9fd539a4de24/bin-2019/utaipan/../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs_true-unreach-call.i [2018-10-27 05:10:32,886 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fcc35179-6125-4378-ae4a-9fd539a4de24/bin-2019/utaipan/data/dd25d7686/3ab38a6ba3f648f38f824db98bdf5cae/FLAG30aa31ca9 [2018-10-27 05:10:33,353 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:10:33,354 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fcc35179-6125-4378-ae4a-9fd539a4de24/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs_true-unreach-call.i [2018-10-27 05:10:33,364 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fcc35179-6125-4378-ae4a-9fd539a4de24/bin-2019/utaipan/data/dd25d7686/3ab38a6ba3f648f38f824db98bdf5cae/FLAG30aa31ca9 [2018-10-27 05:10:33,376 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fcc35179-6125-4378-ae4a-9fd539a4de24/bin-2019/utaipan/data/dd25d7686/3ab38a6ba3f648f38f824db98bdf5cae [2018-10-27 05:10:33,379 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:10:33,380 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:10:33,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:10:33,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:10:33,385 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:10:33,386 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:10:33" (1/1) ... [2018-10-27 05:10:33,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@85dc524 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:33, skipping insertion in model container [2018-10-27 05:10:33,389 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:10:33" (1/1) ... [2018-10-27 05:10:33,399 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:10:33,436 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:10:33,761 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:10:33,777 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:10:33,834 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:10:33,894 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:10:33,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:33 WrapperNode [2018-10-27 05:10:33,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:10:33,895 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:10:33,896 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:10:33,896 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:10:33,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:33" (1/1) ... [2018-10-27 05:10:33,920 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:33" (1/1) ... [2018-10-27 05:10:33,944 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:10:33,945 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:10:33,945 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:10:33,945 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:10:33,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:33" (1/1) ... [2018-10-27 05:10:33,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:33" (1/1) ... [2018-10-27 05:10:33,959 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:33" (1/1) ... [2018-10-27 05:10:33,964 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:33" (1/1) ... [2018-10-27 05:10:33,976 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:33" (1/1) ... [2018-10-27 05:10:34,080 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:33" (1/1) ... [2018-10-27 05:10:34,088 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:33" (1/1) ... [2018-10-27 05:10:34,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:10:34,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:10:34,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:10:34,092 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:10:34,093 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fcc35179-6125-4378-ae4a-9fd539a4de24/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 05:10:34,172 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-10-27 05:10:34,172 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-10-27 05:10:34,172 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_fetch_and_inc [2018-10-27 05:10:34,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_fetch_and_inc [2018-10-27 05:10:34,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 05:10:34,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 05:10:34,173 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 05:10:34,173 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 05:10:34,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:10:34,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:10:34,177 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 05:10:34,945 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:10:34,970 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:10:34,971 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:10:34,972 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-27 05:10:34,975 INFO L168 Benchmark]: Toolchain (without parser) took 1596.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.8 MB). Free memory was 949.2 MB in the beginning and 1.1 GB in the end (delta: -184.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:10:34,977 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:10:34,980 INFO L168 Benchmark]: CACSL2BoogieTranslator took 513.65 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 922.4 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-10-27 05:10:34,981 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.42 ms. Allocated memory is still 1.0 GB. Free memory was 922.4 MB in the beginning and 917.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-27 05:10:34,981 INFO L168 Benchmark]: Boogie Preprocessor took 146.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.8 MB). Free memory was 917.0 MB in the beginning and 1.2 GB in the end (delta: -249.5 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. [2018-10-27 05:10:34,982 INFO L168 Benchmark]: RCFGBuilder took 882.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. [2018-10-27 05:10:34,985 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 513.65 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 922.4 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.42 ms. Allocated memory is still 1.0 GB. Free memory was 922.4 MB in the beginning and 917.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 146.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.8 MB). Free memory was 917.0 MB in the beginning and 1.2 GB in the end (delta: -249.5 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 882.92 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: 32.6 MB). Peak memory consumption was 32.6 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...