./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 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_22bf88dd-851f-4abe-ac25-9aed58f46bb8/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_22bf88dd-851f-4abe-ac25-9aed58f46bb8/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_22bf88dd-851f-4abe-ac25-9aed58f46bb8/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_22bf88dd-851f-4abe-ac25-9aed58f46bb8/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_22bf88dd-851f-4abe-ac25-9aed58f46bb8/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_22bf88dd-851f-4abe-ac25-9aed58f46bb8/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_22bf88dd-851f-4abe-ac25-9aed58f46bb8/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_22bf88dd-851f-4abe-ac25-9aed58f46bb8/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_22bf88dd-851f-4abe-ac25-9aed58f46bb8/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_22bf88dd-851f-4abe-ac25-9aed58f46bb8/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_22bf88dd-851f-4abe-ac25-9aed58f46bb8/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_22bf88dd-851f-4abe-ac25-9aed58f46bb8/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 0.1.23-0cd3be1 [2018-11-28 12:17:51,593 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:17:51,594 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:17:51,601 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:17:51,601 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:17:51,602 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:17:51,602 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:17:51,603 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:17:51,604 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:17:51,605 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:17:51,606 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:17:51,606 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:17:51,606 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:17:51,607 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:17:51,608 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:17:51,608 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:17:51,609 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:17:51,610 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:17:51,611 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:17:51,612 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:17:51,613 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:17:51,614 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:17:51,615 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:17:51,615 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:17:51,616 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:17:51,616 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:17:51,617 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:17:51,617 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:17:51,618 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:17:51,618 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:17:51,619 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:17:51,619 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:17:51,619 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:17:51,619 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:17:51,620 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:17:51,621 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:17:51,621 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_22bf88dd-851f-4abe-ac25-9aed58f46bb8/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 12:17:51,629 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:17:51,630 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:17:51,630 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:17:51,630 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:17:51,631 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:17:51,631 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:17:51,631 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:17:51,631 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:17:51,631 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:17:51,631 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:17:51,632 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:17:51,632 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:17:51,632 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 12:17:51,632 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:17:51,632 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 12:17:51,632 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:17:51,632 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:17:51,632 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:17:51,633 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 12:17:51,633 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:17:51,633 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:17:51,633 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:17:51,633 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:17:51,633 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:17:51,633 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:17:51,633 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:17:51,634 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 12:17:51,634 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:17:51,634 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:17:51,634 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 12:17:51,634 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_22bf88dd-851f-4abe-ac25-9aed58f46bb8/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 [2018-11-28 12:17:51,655 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:17:51,664 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:17:51,666 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:17:51,667 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:17:51,667 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:17:51,668 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_22bf88dd-851f-4abe-ac25-9aed58f46bb8/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs_true-unreach-call.i [2018-11-28 12:17:51,702 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_22bf88dd-851f-4abe-ac25-9aed58f46bb8/bin-2019/uautomizer/data/86d10c746/52b1bc27db08420e8d4d9ffd52b8094a/FLAG662b323fe [2018-11-28 12:17:52,148 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:17:52,148 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_22bf88dd-851f-4abe-ac25-9aed58f46bb8/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs_true-unreach-call.i [2018-11-28 12:17:52,157 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_22bf88dd-851f-4abe-ac25-9aed58f46bb8/bin-2019/uautomizer/data/86d10c746/52b1bc27db08420e8d4d9ffd52b8094a/FLAG662b323fe [2018-11-28 12:17:52,166 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_22bf88dd-851f-4abe-ac25-9aed58f46bb8/bin-2019/uautomizer/data/86d10c746/52b1bc27db08420e8d4d9ffd52b8094a [2018-11-28 12:17:52,168 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:17:52,169 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:17:52,170 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:17:52,170 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:17:52,172 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:17:52,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:17:52" (1/1) ... [2018-11-28 12:17:52,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5385ddb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:17:52, skipping insertion in model container [2018-11-28 12:17:52,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:17:52" (1/1) ... [2018-11-28 12:17:52,181 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:17:52,206 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:17:52,391 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:17:52,399 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:17:52,470 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:17:52,516 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:17:52,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:17:52 WrapperNode [2018-11-28 12:17:52,517 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:17:52,518 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:17:52,518 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:17:52,518 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:17:52,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:17:52" (1/1) ... [2018-11-28 12:17:52,537 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:17:52" (1/1) ... [2018-11-28 12:17:52,556 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:17:52,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:17:52,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:17:52,556 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:17:52,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:17:52" (1/1) ... [2018-11-28 12:17:52,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:17:52" (1/1) ... [2018-11-28 12:17:52,566 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:17:52" (1/1) ... [2018-11-28 12:17:52,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:17:52" (1/1) ... [2018-11-28 12:17:52,571 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:17:52" (1/1) ... [2018-11-28 12:17:52,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:17:52" (1/1) ... [2018-11-28 12:17:52,576 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:17:52" (1/1) ... [2018-11-28 12:17:52,578 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:17:52,578 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:17:52,578 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:17:52,579 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:17:52,579 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:17:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22bf88dd-851f-4abe-ac25-9aed58f46bb8/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 [2018-11-28 12:17:52,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:17:52,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 12:17:52,619 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-28 12:17:52,619 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-28 12:17:52,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 12:17:52,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 12:17:52,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:17:52,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:17:52,621 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-28 12:17:52,694 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_fetch_and_inc_returnLabel [2018-11-28 12:17:52,782 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_fetch_and_inc_returnLabel [2018-11-28 12:17:52,880 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:17:52,880 INFO L280 CfgBuilder]: Removed 9 assue(true) statements. [2018-11-28 12:17:52,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:17:52 BoogieIcfgContainer [2018-11-28 12:17:52,881 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:17:52,881 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:17:52,881 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:17:52,884 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:17:52,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:17:52" (1/3) ... [2018-11-28 12:17:52,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b51f023 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:17:52, skipping insertion in model container [2018-11-28 12:17:52,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:17:52" (2/3) ... [2018-11-28 12:17:52,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b51f023 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:17:52, skipping insertion in model container [2018-11-28 12:17:52,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:17:52" (3/3) ... [2018-11-28 12:17:52,886 INFO L112 eAbstractionObserver]: Analyzing ICFG 48_ticket_lock_low_contention_vs_true-unreach-call.i [2018-11-28 12:17:52,909 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:52,909 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:52,910 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:52,910 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:52,910 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:52,910 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:52,910 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:52,910 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:52,911 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:52,911 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:52,911 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:52,911 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:52,911 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:52,911 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:52,911 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:52,912 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:52,912 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:52,912 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:52,912 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:52,913 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:52,913 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:52,913 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:52,913 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:52,913 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:52,913 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:52,913 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:52,914 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:52,920 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-28 12:17:52,920 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:17:52,927 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-11-28 12:17:52,938 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-11-28 12:17:52,955 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:17:52,956 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:17:52,956 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 12:17:52,956 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:17:52,956 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:17:52,956 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:17:52,956 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:17:52,956 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:17:52,957 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:17:52,963 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 64places, 70 transitions [2018-11-28 12:17:52,973 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) [2018-11-28 12:17:52,975 INFO L168 Benchmark]: Toolchain (without parser) took 806.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.5 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -152.4 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2018-11-28 12:17:52,976 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:17:52,977 INFO L168 Benchmark]: CACSL2BoogieTranslator took 347.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.5 MB). Free memory was 956.0 MB in the beginning and 1.2 GB in the end (delta: -199.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2018-11-28 12:17:52,977 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.06 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: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2018-11-28 12:17:52,977 INFO L168 Benchmark]: Boogie Preprocessor took 22.29 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. [2018-11-28 12:17:52,978 INFO L168 Benchmark]: RCFGBuilder took 302.31 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: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2018-11-28 12:17:52,978 INFO L168 Benchmark]: TraceAbstraction took 93.59 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: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2018-11-28 12:17:52,980 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 347.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.5 MB). Free memory was 956.0 MB in the beginning and 1.2 GB in the end (delta: -199.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.06 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: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.29 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 302.31 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: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 93.59 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: 9.8 MB). Peak memory consumption was 9.8 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 0.1.23-0cd3be1 [2018-11-28 12:17:54,414 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:17:54,415 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:17:54,421 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:17:54,421 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:17:54,422 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:17:54,423 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:17:54,424 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:17:54,426 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:17:54,426 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:17:54,427 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:17:54,427 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:17:54,427 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:17:54,428 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:17:54,429 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:17:54,429 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:17:54,429 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:17:54,431 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:17:54,432 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:17:54,433 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:17:54,434 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:17:54,435 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:17:54,436 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:17:54,437 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:17:54,437 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:17:54,437 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:17:54,438 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:17:54,438 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:17:54,439 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:17:54,440 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:17:54,440 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:17:54,440 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:17:54,441 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:17:54,441 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:17:54,441 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:17:54,442 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:17:54,442 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_22bf88dd-851f-4abe-ac25-9aed58f46bb8/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-28 12:17:54,452 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:17:54,453 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:17:54,453 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:17:54,453 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:17:54,454 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:17:54,454 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:17:54,454 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:17:54,455 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:17:54,455 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:17:54,455 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:17:54,455 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:17:54,455 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 12:17:54,455 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:17:54,456 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 12:17:54,456 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 12:17:54,456 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 12:17:54,456 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:17:54,456 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:17:54,456 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:17:54,456 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 12:17:54,457 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:17:54,457 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:17:54,457 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:17:54,457 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:17:54,457 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:17:54,457 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:17:54,458 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:17:54,458 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 12:17:54,458 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 12:17:54,458 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:17:54,458 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 12:17:54,458 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-28 12:17:54,458 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_22bf88dd-851f-4abe-ac25-9aed58f46bb8/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 [2018-11-28 12:17:54,483 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:17:54,493 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:17:54,496 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:17:54,497 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:17:54,497 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:17:54,498 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_22bf88dd-851f-4abe-ac25-9aed58f46bb8/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs_true-unreach-call.i [2018-11-28 12:17:54,547 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_22bf88dd-851f-4abe-ac25-9aed58f46bb8/bin-2019/uautomizer/data/56f05dbb7/68503f769be342ae8f0f50a7c8544483/FLAG0470610b1 [2018-11-28 12:17:54,918 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:17:54,918 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_22bf88dd-851f-4abe-ac25-9aed58f46bb8/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs_true-unreach-call.i [2018-11-28 12:17:54,927 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_22bf88dd-851f-4abe-ac25-9aed58f46bb8/bin-2019/uautomizer/data/56f05dbb7/68503f769be342ae8f0f50a7c8544483/FLAG0470610b1 [2018-11-28 12:17:54,935 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_22bf88dd-851f-4abe-ac25-9aed58f46bb8/bin-2019/uautomizer/data/56f05dbb7/68503f769be342ae8f0f50a7c8544483 [2018-11-28 12:17:54,937 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:17:54,939 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:17:54,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:17:54,939 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:17:54,942 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:17:54,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:17:54" (1/1) ... [2018-11-28 12:17:54,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5edf69fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:17:54, skipping insertion in model container [2018-11-28 12:17:54,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:17:54" (1/1) ... [2018-11-28 12:17:54,951 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:17:54,979 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:17:55,205 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:17:55,214 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:17:55,245 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:17:55,339 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:17:55,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:17:55 WrapperNode [2018-11-28 12:17:55,339 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:17:55,340 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:17:55,340 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:17:55,340 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:17:55,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:17:55" (1/1) ... [2018-11-28 12:17:55,356 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:17:55" (1/1) ... [2018-11-28 12:17:55,373 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:17:55,373 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:17:55,373 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:17:55,373 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:17:55,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:17:55" (1/1) ... [2018-11-28 12:17:55,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:17:55" (1/1) ... [2018-11-28 12:17:55,380 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:17:55" (1/1) ... [2018-11-28 12:17:55,381 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:17:55" (1/1) ... [2018-11-28 12:17:55,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:17:55" (1/1) ... [2018-11-28 12:17:55,387 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:17:55" (1/1) ... [2018-11-28 12:17:55,389 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:17:55" (1/1) ... [2018-11-28 12:17:55,392 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:17:55,392 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:17:55,392 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:17:55,392 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:17:55,393 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:17:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22bf88dd-851f-4abe-ac25-9aed58f46bb8/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 [2018-11-28 12:17:55,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:17:55,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-28 12:17:55,427 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-28 12:17:55,427 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-28 12:17:55,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 12:17:55,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-28 12:17:55,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:17:55,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:17:55,429 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-28 12:17:55,510 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_fetch_and_inc_returnLabel [2018-11-28 12:17:55,572 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_fetch_and_inc_returnLabel [2018-11-28 12:17:55,641 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:17:55,641 INFO L280 CfgBuilder]: Removed 9 assue(true) statements. [2018-11-28 12:17:55,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:17:55 BoogieIcfgContainer [2018-11-28 12:17:55,642 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:17:55,642 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:17:55,642 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:17:55,645 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:17:55,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:17:54" (1/3) ... [2018-11-28 12:17:55,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ed0cac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:17:55, skipping insertion in model container [2018-11-28 12:17:55,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:17:55" (2/3) ... [2018-11-28 12:17:55,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ed0cac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:17:55, skipping insertion in model container [2018-11-28 12:17:55,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:17:55" (3/3) ... [2018-11-28 12:17:55,647 INFO L112 eAbstractionObserver]: Analyzing ICFG 48_ticket_lock_low_contention_vs_true-unreach-call.i [2018-11-28 12:17:55,665 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:55,665 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:55,666 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:55,666 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:55,666 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:55,666 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:55,666 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:55,666 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:55,666 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:55,667 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:55,667 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:55,667 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:55,667 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:55,667 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:55,667 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:55,668 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:55,668 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:55,668 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:55,668 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:55,669 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:55,669 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:55,669 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:55,669 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:55,669 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:55,669 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:55,669 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:55,670 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 12:17:55,673 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-28 12:17:55,674 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:17:55,681 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-11-28 12:17:55,690 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-11-28 12:17:55,705 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:17:55,705 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:17:55,705 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 12:17:55,705 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:17:55,705 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:17:55,706 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:17:55,706 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:17:55,706 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:17:55,706 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:17:55,712 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 63places, 69 transitions [2018-11-28 12:17:55,720 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) [2018-11-28 12:17:55,722 INFO L168 Benchmark]: Toolchain (without parser) took 784.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 936.7 MB in the beginning and 1.1 GB in the end (delta: -169.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:17:55,723 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:17:55,724 INFO L168 Benchmark]: CACSL2BoogieTranslator took 400.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 936.7 MB in the beginning and 1.2 GB in the end (delta: -220.5 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. [2018-11-28 12:17:55,724 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.21 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-28 12:17:55,725 INFO L168 Benchmark]: Boogie Preprocessor took 18.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:17:55,725 INFO L168 Benchmark]: RCFGBuilder took 249.55 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: 30.9 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. [2018-11-28 12:17:55,725 INFO L168 Benchmark]: TraceAbstraction took 79.32 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. [2018-11-28 12:17:55,728 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 400.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 936.7 MB in the beginning and 1.2 GB in the end (delta: -220.5 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.21 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 249.55 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: 30.9 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 79.32 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...