./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.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 aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b3a4e67e-bc64-45a7-b518-bc41ab476cd8/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b3a4e67e-bc64-45a7-b518-bc41ab476cd8/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b3a4e67e-bc64-45a7-b518-bc41ab476cd8/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b3a4e67e-bc64-45a7-b518-bc41ab476cd8/bin-2019/uautomizer/config/AutomizerReach.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_b3a4e67e-bc64-45a7-b518-bc41ab476cd8/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b3a4e67e-bc64-45a7-b518-bc41ab476cd8/bin-2019/uautomizer --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 Automizer --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_b3a4e67e-bc64-45a7-b518-bc41ab476cd8/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b3a4e67e-bc64-45a7-b518-bc41ab476cd8/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b3a4e67e-bc64-45a7-b518-bc41ab476cd8/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b3a4e67e-bc64-45a7-b518-bc41ab476cd8/bin-2019/uautomizer/config/AutomizerReach.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_b3a4e67e-bc64-45a7-b518-bc41ab476cd8/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b3a4e67e-bc64-45a7-b518-bc41ab476cd8/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bf24cd7b916b23b6d1ee7fcafd0e5b379d458909 ........................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 06:34:22,698 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 06:34:22,699 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 06:34:22,707 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 06:34:22,707 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 06:34:22,707 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 06:34:22,708 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 06:34:22,709 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 06:34:22,711 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 06:34:22,711 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 06:34:22,712 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 06:34:22,712 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 06:34:22,713 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 06:34:22,713 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 06:34:22,714 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 06:34:22,714 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 06:34:22,715 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 06:34:22,716 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 06:34:22,718 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 06:34:22,719 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 06:34:22,719 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 06:34:22,720 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 06:34:22,721 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 06:34:22,721 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 06:34:22,721 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 06:34:22,722 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 06:34:22,723 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 06:34:22,723 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 06:34:22,724 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 06:34:22,725 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 06:34:22,725 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 06:34:22,725 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 06:34:22,726 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 06:34:22,726 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 06:34:22,726 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 06:34:22,727 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 06:34:22,727 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b3a4e67e-bc64-45a7-b518-bc41ab476cd8/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 06:34:22,734 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 06:34:22,734 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 06:34:22,735 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 06:34:22,735 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 06:34:22,736 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 06:34:22,736 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 06:34:22,736 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 06:34:22,736 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 06:34:22,736 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 06:34:22,736 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 06:34:22,737 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 06:34:22,737 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 06:34:22,737 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 06:34:22,737 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 06:34:22,737 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 06:34:22,737 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 06:34:22,737 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 06:34:22,738 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 06:34:22,738 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 06:34:22,738 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 06:34:22,738 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 06:34:22,738 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 06:34:22,738 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 06:34:22,738 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 06:34:22,739 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 06:34:22,739 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 06:34:22,739 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 06:34:22,739 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 06:34:22,739 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 06:34:22,739 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 06:34:22,739 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_b3a4e67e-bc64-45a7-b518-bc41ab476cd8/bin-2019/uautomizer 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 -> Automizer 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 [2018-11-23 06:34:22,763 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 06:34:22,773 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 06:34:22,775 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 06:34:22,776 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 06:34:22,777 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 06:34:22,777 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b3a4e67e-bc64-45a7-b518-bc41ab476cd8/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs_true-unreach-call.i [2018-11-23 06:34:22,824 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b3a4e67e-bc64-45a7-b518-bc41ab476cd8/bin-2019/uautomizer/data/5eb06ad91/c8946f280a114483994c9501fd37b250/FLAG6ca012ba8 [2018-11-23 06:34:23,254 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 06:34:23,255 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b3a4e67e-bc64-45a7-b518-bc41ab476cd8/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs_true-unreach-call.i [2018-11-23 06:34:23,265 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b3a4e67e-bc64-45a7-b518-bc41ab476cd8/bin-2019/uautomizer/data/5eb06ad91/c8946f280a114483994c9501fd37b250/FLAG6ca012ba8 [2018-11-23 06:34:23,275 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b3a4e67e-bc64-45a7-b518-bc41ab476cd8/bin-2019/uautomizer/data/5eb06ad91/c8946f280a114483994c9501fd37b250 [2018-11-23 06:34:23,278 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 06:34:23,279 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 06:34:23,280 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 06:34:23,280 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 06:34:23,283 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 06:34:23,284 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:34:23" (1/1) ... [2018-11-23 06:34:23,286 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ce54f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:23, skipping insertion in model container [2018-11-23 06:34:23,286 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:34:23" (1/1) ... [2018-11-23 06:34:23,292 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 06:34:23,321 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 06:34:23,526 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:34:23,535 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 06:34:23,605 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:34:23,652 INFO L195 MainTranslator]: Completed translation [2018-11-23 06:34:23,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:23 WrapperNode [2018-11-23 06:34:23,653 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 06:34:23,653 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 06:34:23,653 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 06:34:23,653 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 06:34:23,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:23" (1/1) ... [2018-11-23 06:34:23,671 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:23" (1/1) ... [2018-11-23 06:34:23,685 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 06:34:23,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 06:34:23,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 06:34:23,686 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 06:34:23,693 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:23" (1/1) ... [2018-11-23 06:34:23,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:23" (1/1) ... [2018-11-23 06:34:23,694 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:23" (1/1) ... [2018-11-23 06:34:23,695 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:23" (1/1) ... [2018-11-23 06:34:23,698 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:23" (1/1) ... [2018-11-23 06:34:23,703 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:23" (1/1) ... [2018-11-23 06:34:23,704 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:23" (1/1) ... [2018-11-23 06:34:23,705 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 06:34:23,706 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 06:34:23,706 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 06:34:23,706 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 06:34:23,706 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b3a4e67e-bc64-45a7-b518-bc41ab476cd8/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 06:34:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 06:34:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 06:34:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-23 06:34:23,759 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-23 06:34:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 06:34:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 06:34:23,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 06:34:23,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 06:34:23,761 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-23 06:34:23,879 INFO L1415 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_fetch_and_inc_returnLabel [2018-11-23 06:34:23,964 INFO L1415 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_fetch_and_inc_returnLabel [2018-11-23 06:34:24,025 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 06:34:24,025 INFO L280 CfgBuilder]: Removed 13 assue(true) statements. [2018-11-23 06:34:24,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:34:24 BoogieIcfgContainer [2018-11-23 06:34:24,026 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 06:34:24,026 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 06:34:24,026 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 06:34:24,029 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 06:34:24,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:34:23" (1/3) ... [2018-11-23 06:34:24,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@603e412e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:34:24, skipping insertion in model container [2018-11-23 06:34:24,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:23" (2/3) ... [2018-11-23 06:34:24,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@603e412e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:34:24, skipping insertion in model container [2018-11-23 06:34:24,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:34:24" (3/3) ... [2018-11-23 06:34:24,031 INFO L112 eAbstractionObserver]: Analyzing ICFG 48_ticket_lock_low_contention_vs_true-unreach-call.i [2018-11-23 06:34:24,052 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:24,053 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:24,053 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:24,053 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:24,053 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:24,053 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:24,053 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:24,054 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:24,054 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:24,054 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:24,054 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:24,054 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:24,054 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:24,054 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:24,054 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:24,054 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:24,055 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:24,055 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:24,055 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:24,055 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:24,055 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:24,055 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:24,056 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:24,056 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:24,056 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:24,056 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:24,056 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:24,060 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-23 06:34:24,061 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 06:34:24,067 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-11-23 06:34:24,077 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-11-23 06:34:24,094 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 06:34:24,095 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 06:34:24,095 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 06:34:24,095 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 06:34:24,095 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 06:34:24,095 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 06:34:24,095 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 06:34:24,095 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 06:34:24,096 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 06:34:24,102 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 64places, 70 transitions [2018-11-23 06:34:24,112 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:402) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-23 06:34:24,115 INFO L168 Benchmark]: Toolchain (without parser) took 836.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 957.0 MB in the beginning and 1.1 GB in the end (delta: -137.1 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2018-11-23 06:34:24,116 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-11-23 06:34:24,116 INFO L168 Benchmark]: CACSL2BoogieTranslator took 372.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 957.0 MB in the beginning and 1.1 GB in the end (delta: -183.2 MB). Peak memory consumption was 34.4 MB. Max. memory is 11.5 GB. [2018-11-23 06:34:24,117 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 06:34:24,117 INFO L168 Benchmark]: Boogie Preprocessor took 19.76 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:34:24,118 INFO L168 Benchmark]: RCFGBuilder took 320.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2018-11-23 06:34:24,118 INFO L168 Benchmark]: TraceAbstraction took 87.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 11.5 GB. [2018-11-23 06:34:24,121 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 372.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 957.0 MB in the beginning and 1.1 GB in the end (delta: -183.2 MB). Peak memory consumption was 34.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.76 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 320.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 87.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-aa41828 [2018-11-23 06:34:25,552 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 06:34:25,553 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 06:34:25,562 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 06:34:25,563 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 06:34:25,563 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 06:34:25,564 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 06:34:25,565 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 06:34:25,567 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 06:34:25,567 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 06:34:25,568 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 06:34:25,568 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 06:34:25,569 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 06:34:25,570 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 06:34:25,570 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 06:34:25,571 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 06:34:25,572 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 06:34:25,573 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 06:34:25,575 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 06:34:25,576 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 06:34:25,577 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 06:34:25,578 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 06:34:25,580 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 06:34:25,580 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 06:34:25,580 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 06:34:25,581 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 06:34:25,582 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 06:34:25,582 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 06:34:25,583 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 06:34:25,584 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 06:34:25,584 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 06:34:25,585 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 06:34:25,585 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 06:34:25,585 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 06:34:25,586 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 06:34:25,586 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 06:34:25,587 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b3a4e67e-bc64-45a7-b518-bc41ab476cd8/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-23 06:34:25,597 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 06:34:25,598 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 06:34:25,598 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 06:34:25,598 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 06:34:25,599 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 06:34:25,599 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 06:34:25,599 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 06:34:25,600 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 06:34:25,600 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 06:34:25,600 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 06:34:25,600 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 06:34:25,600 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 06:34:25,600 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 06:34:25,600 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 06:34:25,601 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 06:34:25,601 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 06:34:25,601 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 06:34:25,601 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 06:34:25,601 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 06:34:25,601 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 06:34:25,601 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 06:34:25,602 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 06:34:25,602 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 06:34:25,602 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 06:34:25,602 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 06:34:25,602 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 06:34:25,602 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 06:34:25,603 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 06:34:25,603 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 06:34:25,603 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 06:34:25,605 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 06:34:25,605 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 06:34:25,605 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_b3a4e67e-bc64-45a7-b518-bc41ab476cd8/bin-2019/uautomizer 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 -> Automizer 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 [2018-11-23 06:34:25,636 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 06:34:25,645 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 06:34:25,648 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 06:34:25,649 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 06:34:25,649 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 06:34:25,650 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b3a4e67e-bc64-45a7-b518-bc41ab476cd8/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs_true-unreach-call.i [2018-11-23 06:34:25,697 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b3a4e67e-bc64-45a7-b518-bc41ab476cd8/bin-2019/uautomizer/data/b30865814/68445c710af54f2f90dcdbbecb595f8e/FLAGfff609668 [2018-11-23 06:34:26,059 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 06:34:26,059 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b3a4e67e-bc64-45a7-b518-bc41ab476cd8/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs_true-unreach-call.i [2018-11-23 06:34:26,069 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b3a4e67e-bc64-45a7-b518-bc41ab476cd8/bin-2019/uautomizer/data/b30865814/68445c710af54f2f90dcdbbecb595f8e/FLAGfff609668 [2018-11-23 06:34:26,459 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b3a4e67e-bc64-45a7-b518-bc41ab476cd8/bin-2019/uautomizer/data/b30865814/68445c710af54f2f90dcdbbecb595f8e [2018-11-23 06:34:26,461 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 06:34:26,462 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 06:34:26,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 06:34:26,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 06:34:26,465 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 06:34:26,466 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:34:26" (1/1) ... [2018-11-23 06:34:26,467 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14ac6047 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:26, skipping insertion in model container [2018-11-23 06:34:26,467 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:34:26" (1/1) ... [2018-11-23 06:34:26,474 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 06:34:26,501 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 06:34:26,727 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:34:26,739 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 06:34:26,776 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:34:26,868 INFO L195 MainTranslator]: Completed translation [2018-11-23 06:34:26,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:26 WrapperNode [2018-11-23 06:34:26,869 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 06:34:26,869 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 06:34:26,869 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 06:34:26,869 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 06:34:26,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:26" (1/1) ... [2018-11-23 06:34:26,886 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:26" (1/1) ... [2018-11-23 06:34:26,900 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 06:34:26,900 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 06:34:26,900 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 06:34:26,900 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 06:34:26,905 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:26" (1/1) ... [2018-11-23 06:34:26,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:26" (1/1) ... [2018-11-23 06:34:26,908 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:26" (1/1) ... [2018-11-23 06:34:26,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:26" (1/1) ... [2018-11-23 06:34:26,914 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:26" (1/1) ... [2018-11-23 06:34:26,918 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:26" (1/1) ... [2018-11-23 06:34:26,920 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:26" (1/1) ... [2018-11-23 06:34:26,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 06:34:26,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 06:34:26,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 06:34:26,923 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 06:34:26,923 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b3a4e67e-bc64-45a7-b518-bc41ab476cd8/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 06:34:26,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 06:34:26,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 06:34:26,957 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-23 06:34:26,957 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-23 06:34:26,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 06:34:26,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 06:34:26,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 06:34:26,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 06:34:26,958 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-23 06:34:27,041 INFO L1415 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_fetch_and_inc_returnLabel [2018-11-23 06:34:27,116 INFO L1415 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_fetch_and_inc_returnLabel [2018-11-23 06:34:27,182 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 06:34:27,183 INFO L280 CfgBuilder]: Removed 13 assue(true) statements. [2018-11-23 06:34:27,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:34:27 BoogieIcfgContainer [2018-11-23 06:34:27,183 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 06:34:27,184 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 06:34:27,184 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 06:34:27,186 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 06:34:27,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:34:26" (1/3) ... [2018-11-23 06:34:27,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bdfa424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:34:27, skipping insertion in model container [2018-11-23 06:34:27,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:26" (2/3) ... [2018-11-23 06:34:27,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bdfa424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:34:27, skipping insertion in model container [2018-11-23 06:34:27,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:34:27" (3/3) ... [2018-11-23 06:34:27,189 INFO L112 eAbstractionObserver]: Analyzing ICFG 48_ticket_lock_low_contention_vs_true-unreach-call.i [2018-11-23 06:34:27,208 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:27,208 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:27,208 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:27,208 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:27,208 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:27,209 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:27,209 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:27,209 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:27,209 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:27,209 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:27,209 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:27,210 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:27,210 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:27,210 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:27,210 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:27,210 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:27,211 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:27,211 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:27,211 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:27,211 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:27,211 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:27,212 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:27,212 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:27,212 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:27,212 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:27,212 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:27,212 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 06:34:27,216 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-23 06:34:27,216 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 06:34:27,221 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-11-23 06:34:27,230 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-11-23 06:34:27,247 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 06:34:27,248 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 06:34:27,248 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 06:34:27,248 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 06:34:27,248 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 06:34:27,248 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 06:34:27,248 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 06:34:27,248 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 06:34:27,249 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 06:34:27,254 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 63places, 69 transitions [2018-11-23 06:34:27,263 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:402) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-23 06:34:27,265 INFO L168 Benchmark]: Toolchain (without parser) took 804.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 943.8 MB in the beginning and 1.1 GB in the end (delta: -118.0 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2018-11-23 06:34:27,267 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:34:27,267 INFO L168 Benchmark]: CACSL2BoogieTranslator took 406.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 943.8 MB in the beginning and 1.1 GB in the end (delta: -175.1 MB). Peak memory consumption was 39.6 MB. Max. memory is 11.5 GB. [2018-11-23 06:34:27,268 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-11-23 06:34:27,268 INFO L168 Benchmark]: Boogie Preprocessor took 22.30 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:34:27,269 INFO L168 Benchmark]: RCFGBuilder took 260.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.7 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. [2018-11-23 06:34:27,269 INFO L168 Benchmark]: TraceAbstraction took 81.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-11-23 06:34:27,272 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 406.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 943.8 MB in the beginning and 1.1 GB in the end (delta: -175.1 MB). Peak memory consumption was 39.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.30 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 260.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.7 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 81.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...