./Ultimate.py --spec ../../sv-benchmarks/c/ConcurrencySafety.prp --file ../../sv-benchmarks/c/pthread-atomic/peterson_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_af7e8dbd-5dc0-4361-bb78-c32dce4f1a94/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_af7e8dbd-5dc0-4361-bb78-c32dce4f1a94/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_af7e8dbd-5dc0-4361-bb78-c32dce4f1a94/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_af7e8dbd-5dc0-4361-bb78-c32dce4f1a94/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/peterson_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_af7e8dbd-5dc0-4361-bb78-c32dce4f1a94/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_af7e8dbd-5dc0-4361-bb78-c32dce4f1a94/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 a9bea0c488d2f45d989ec349e22f0d31a29496ef ....................................................................................................................................................................................................................................................................................................................................................................................... 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_af7e8dbd-5dc0-4361-bb78-c32dce4f1a94/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_af7e8dbd-5dc0-4361-bb78-c32dce4f1a94/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_af7e8dbd-5dc0-4361-bb78-c32dce4f1a94/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_af7e8dbd-5dc0-4361-bb78-c32dce4f1a94/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/peterson_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_af7e8dbd-5dc0-4361-bb78-c32dce4f1a94/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_af7e8dbd-5dc0-4361-bb78-c32dce4f1a94/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 a9bea0c488d2f45d989ec349e22f0d31a29496ef ......................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: analysis for sequential programs does not support fork/join --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 10:28:12,528 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:28:12,529 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:28:12,535 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:28:12,535 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:28:12,536 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:28:12,537 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:28:12,538 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:28:12,539 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:28:12,539 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:28:12,540 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:28:12,540 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:28:12,541 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:28:12,541 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:28:12,542 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:28:12,542 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:28:12,543 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:28:12,543 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:28:12,545 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:28:12,545 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:28:12,546 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:28:12,547 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:28:12,548 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:28:12,549 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:28:12,549 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:28:12,549 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:28:12,550 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:28:12,550 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:28:12,551 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:28:12,551 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:28:12,551 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:28:12,552 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:28:12,552 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:28:12,552 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:28:12,552 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:28:12,552 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:28:12,553 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_af7e8dbd-5dc0-4361-bb78-c32dce4f1a94/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 10:28:12,562 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:28:12,562 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:28:12,563 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:28:12,563 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 10:28:12,563 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:28:12,564 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:28:12,564 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 10:28:12,564 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:28:12,564 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:28:12,564 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:28:12,564 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:28:12,564 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:28:12,564 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:28:12,565 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:28:12,565 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:28:12,565 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:28:12,565 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:28:12,565 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:28:12,565 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:28:12,565 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:28:12,566 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:28:12,566 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:28:12,566 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 10:28:12,566 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:28:12,566 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:28:12,566 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:28:12,566 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:28:12,566 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 10:28:12,567 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:28:12,567 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 10:28:12,567 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_af7e8dbd-5dc0-4361-bb78-c32dce4f1a94/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 -> a9bea0c488d2f45d989ec349e22f0d31a29496ef [2018-11-18 10:28:12,590 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:28:12,599 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:28:12,602 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:28:12,603 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:28:12,603 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:28:12,604 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_af7e8dbd-5dc0-4361-bb78-c32dce4f1a94/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-atomic/peterson_true-unreach-call.i [2018-11-18 10:28:12,649 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_af7e8dbd-5dc0-4361-bb78-c32dce4f1a94/bin-2019/uautomizer/data/421bc7da2/3764c1704d1648509ee0fa4879f5652b/FLAGbed5f0030 [2018-11-18 10:28:12,993 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:28:12,993 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_af7e8dbd-5dc0-4361-bb78-c32dce4f1a94/sv-benchmarks/c/pthread-atomic/peterson_true-unreach-call.i [2018-11-18 10:28:13,002 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_af7e8dbd-5dc0-4361-bb78-c32dce4f1a94/bin-2019/uautomizer/data/421bc7da2/3764c1704d1648509ee0fa4879f5652b/FLAGbed5f0030 [2018-11-18 10:28:13,013 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_af7e8dbd-5dc0-4361-bb78-c32dce4f1a94/bin-2019/uautomizer/data/421bc7da2/3764c1704d1648509ee0fa4879f5652b [2018-11-18 10:28:13,015 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:28:13,016 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 10:28:13,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:28:13,016 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:28:13,019 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:28:13,019 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:28:13" (1/1) ... [2018-11-18 10:28:13,021 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c938308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:13, skipping insertion in model container [2018-11-18 10:28:13,021 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:28:13" (1/1) ... [2018-11-18 10:28:13,027 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:28:13,054 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:28:13,254 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:28:13,260 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:28:13,325 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:28:13,365 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:28:13,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:13 WrapperNode [2018-11-18 10:28:13,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:28:13,366 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:28:13,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:28:13,366 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:28:13,376 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:13" (1/1) ... [2018-11-18 10:28:13,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:13" (1/1) ... [2018-11-18 10:28:13,383 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:13" (1/1) ... [2018-11-18 10:28:13,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:13" (1/1) ... [2018-11-18 10:28:13,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:13" (1/1) ... [2018-11-18 10:28:13,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:13" (1/1) ... [2018-11-18 10:28:13,397 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:13" (1/1) ... [2018-11-18 10:28:13,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:28:13,400 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:28:13,400 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:28:13,400 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:28:13,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_af7e8dbd-5dc0-4361-bb78-c32dce4f1a94/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 [2018-11-18 10:28:13,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 10:28:13,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:28:13,435 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-18 10:28:13,435 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-11-18 10:28:13,435 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 10:28:13,435 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 10:28:13,435 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpucount [2018-11-18 10:28:13,435 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpualloc [2018-11-18 10:28:13,435 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpufree [2018-11-18 10:28:13,435 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setparam [2018-11-18 10:28:13,436 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getparam [2018-11-18 10:28:13,436 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setscheduler [2018-11-18 10:28:13,436 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getscheduler [2018-11-18 10:28:13,436 INFO L130 BoogieDeclarations]: Found specification of procedure sched_yield [2018-11-18 10:28:13,436 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_max [2018-11-18 10:28:13,436 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_min [2018-11-18 10:28:13,436 INFO L130 BoogieDeclarations]: Found specification of procedure sched_rr_get_interval [2018-11-18 10:28:13,436 INFO L130 BoogieDeclarations]: Found specification of procedure clock [2018-11-18 10:28:13,436 INFO L130 BoogieDeclarations]: Found specification of procedure time [2018-11-18 10:28:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure difftime [2018-11-18 10:28:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure mktime [2018-11-18 10:28:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure strftime [2018-11-18 10:28:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure strftime_l [2018-11-18 10:28:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime [2018-11-18 10:28:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure localtime [2018-11-18 10:28:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime_r [2018-11-18 10:28:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure localtime_r [2018-11-18 10:28:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure asctime [2018-11-18 10:28:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure ctime [2018-11-18 10:28:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure asctime_r [2018-11-18 10:28:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure ctime_r [2018-11-18 10:28:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure tzset [2018-11-18 10:28:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure stime [2018-11-18 10:28:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure timegm [2018-11-18 10:28:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure timelocal [2018-11-18 10:28:13,438 INFO L130 BoogieDeclarations]: Found specification of procedure dysize [2018-11-18 10:28:13,438 INFO L130 BoogieDeclarations]: Found specification of procedure nanosleep [2018-11-18 10:28:13,438 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getres [2018-11-18 10:28:13,438 INFO L130 BoogieDeclarations]: Found specification of procedure clock_gettime [2018-11-18 10:28:13,438 INFO L130 BoogieDeclarations]: Found specification of procedure clock_settime [2018-11-18 10:28:13,438 INFO L130 BoogieDeclarations]: Found specification of procedure clock_nanosleep [2018-11-18 10:28:13,438 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getcpuclockid [2018-11-18 10:28:13,438 INFO L130 BoogieDeclarations]: Found specification of procedure timer_create [2018-11-18 10:28:13,438 INFO L130 BoogieDeclarations]: Found specification of procedure timer_delete [2018-11-18 10:28:13,438 INFO L130 BoogieDeclarations]: Found specification of procedure timer_settime [2018-11-18 10:28:13,438 INFO L130 BoogieDeclarations]: Found specification of procedure timer_gettime [2018-11-18 10:28:13,438 INFO L130 BoogieDeclarations]: Found specification of procedure timer_getoverrun [2018-11-18 10:28:13,438 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_create [2018-11-18 10:28:13,438 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_exit [2018-11-18 10:28:13,438 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_join [2018-11-18 10:28:13,438 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_detach [2018-11-18 10:28:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_self [2018-11-18 10:28:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_equal [2018-11-18 10:28:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_init [2018-11-18 10:28:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_destroy [2018-11-18 10:28:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getdetachstate [2018-11-18 10:28:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setdetachstate [2018-11-18 10:28:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getguardsize [2018-11-18 10:28:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setguardsize [2018-11-18 10:28:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedparam [2018-11-18 10:28:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedparam [2018-11-18 10:28:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedpolicy [2018-11-18 10:28:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedpolicy [2018-11-18 10:28:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getinheritsched [2018-11-18 10:28:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setinheritsched [2018-11-18 10:28:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getscope [2018-11-18 10:28:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setscope [2018-11-18 10:28:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstackaddr [2018-11-18 10:28:13,440 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstackaddr [2018-11-18 10:28:13,440 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstacksize [2018-11-18 10:28:13,440 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstacksize [2018-11-18 10:28:13,440 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstack [2018-11-18 10:28:13,440 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstack [2018-11-18 10:28:13,440 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedparam [2018-11-18 10:28:13,440 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getschedparam [2018-11-18 10:28:13,440 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedprio [2018-11-18 10:28:13,440 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_once [2018-11-18 10:28:13,440 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcancelstate [2018-11-18 10:28:13,440 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcanceltype [2018-11-18 10:28:13,440 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cancel [2018-11-18 10:28:13,440 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_testcancel [2018-11-18 10:28:13,440 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_register_cancel [2018-11-18 10:28:13,440 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unregister_cancel [2018-11-18 10:28:13,440 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unwind_next [2018-11-18 10:28:13,440 INFO L130 BoogieDeclarations]: Found specification of procedure __sigsetjmp [2018-11-18 10:28:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_init [2018-11-18 10:28:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_destroy [2018-11-18 10:28:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2018-11-18 10:28:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_lock [2018-11-18 10:28:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_timedlock [2018-11-18 10:28:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_unlock [2018-11-18 10:28:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_getprioceiling [2018-11-18 10:28:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_setprioceiling [2018-11-18 10:28:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_consistent [2018-11-18 10:28:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_init [2018-11-18 10:28:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_destroy [2018-11-18 10:28:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getpshared [2018-11-18 10:28:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setpshared [2018-11-18 10:28:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_gettype [2018-11-18 10:28:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_settype [2018-11-18 10:28:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprotocol [2018-11-18 10:28:13,442 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprotocol [2018-11-18 10:28:13,442 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprioceiling [2018-11-18 10:28:13,442 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprioceiling [2018-11-18 10:28:13,442 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getrobust [2018-11-18 10:28:13,442 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setrobust [2018-11-18 10:28:13,442 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_init [2018-11-18 10:28:13,442 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_destroy [2018-11-18 10:28:13,442 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_rdlock [2018-11-18 10:28:13,442 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_tryrdlock [2018-11-18 10:28:13,442 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedrdlock [2018-11-18 10:28:13,442 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_wrlock [2018-11-18 10:28:13,442 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_trywrlock [2018-11-18 10:28:13,442 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedwrlock [2018-11-18 10:28:13,442 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_unlock [2018-11-18 10:28:13,450 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_init [2018-11-18 10:28:13,450 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_destroy [2018-11-18 10:28:13,450 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getpshared [2018-11-18 10:28:13,451 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setpshared [2018-11-18 10:28:13,451 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getkind_np [2018-11-18 10:28:13,451 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setkind_np [2018-11-18 10:28:13,451 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_init [2018-11-18 10:28:13,451 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_destroy [2018-11-18 10:28:13,451 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_signal [2018-11-18 10:28:13,451 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_broadcast [2018-11-18 10:28:13,451 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_wait [2018-11-18 10:28:13,451 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_timedwait [2018-11-18 10:28:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_init [2018-11-18 10:28:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_destroy [2018-11-18 10:28:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getpshared [2018-11-18 10:28:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setpshared [2018-11-18 10:28:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getclock [2018-11-18 10:28:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setclock [2018-11-18 10:28:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_init [2018-11-18 10:28:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_destroy [2018-11-18 10:28:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_lock [2018-11-18 10:28:13,453 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_trylock [2018-11-18 10:28:13,453 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_unlock [2018-11-18 10:28:13,453 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_init [2018-11-18 10:28:13,453 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_destroy [2018-11-18 10:28:13,453 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_wait [2018-11-18 10:28:13,453 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_init [2018-11-18 10:28:13,453 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_destroy [2018-11-18 10:28:13,453 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_getpshared [2018-11-18 10:28:13,453 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_setpshared [2018-11-18 10:28:13,453 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_create [2018-11-18 10:28:13,454 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_delete [2018-11-18 10:28:13,454 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getspecific [2018-11-18 10:28:13,454 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setspecific [2018-11-18 10:28:13,454 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getcpuclockid [2018-11-18 10:28:13,454 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_atfork [2018-11-18 10:28:13,454 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-18 10:28:13,454 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-11-18 10:28:13,454 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 10:28:13,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:28:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 10:28:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 10:28:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 10:28:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:28:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 10:28:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 10:28:13,456 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-18 10:28:13,713 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:28:13,731 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:28:13,731 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:28:13,731 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr2_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:28:13,731 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr2_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:28:13,732 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:28:13,732 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:28:13,732 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:28:13,732 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:28:13,733 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:28:13,733 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:28:13,733 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:28:13,733 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:28:13,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:28:13 BasicIcfg [2018-11-18 10:28:13,744 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:28:13,744 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 10:28:13,744 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 10:28:13,746 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 10:28:13,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:28:13" (1/3) ... [2018-11-18 10:28:13,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@454082b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:28:13, skipping insertion in model container [2018-11-18 10:28:13,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:13" (2/3) ... [2018-11-18 10:28:13,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@454082b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:28:13, skipping insertion in model container [2018-11-18 10:28:13,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:28:13" (3/3) ... [2018-11-18 10:28:13,749 INFO L112 eAbstractionObserver]: Analyzing ICFG peterson_true-unreach-call.i_BEv2 [2018-11-18 10:28:13,757 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 10:28:13,764 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2018-11-18 10:28:13,776 INFO L257 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2018-11-18 10:28:13,793 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 10:28:13,793 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 10:28:13,793 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 10:28:13,793 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 10:28:13,793 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:28:13,793 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:28:13,793 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 10:28:13,794 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:28:13,794 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 10:28:13,800 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: analysis for sequential programs does not support fork/join at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomaton(CFG2NestedWordAutomaton.java:236) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomatonWithSPredicates(CFG2NestedWordAutomaton.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:316) 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:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-18 10:28:13,802 INFO L168 Benchmark]: Toolchain (without parser) took 787.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -96.7 MB). Peak memory consumption was 36.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:28:13,803 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:28:13,804 INFO L168 Benchmark]: CACSL2BoogieTranslator took 349.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -160.0 MB). Peak memory consumption was 34.3 MB. Max. memory is 11.5 GB. [2018-11-18 10:28:13,804 INFO L168 Benchmark]: Boogie Preprocessor took 33.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:28:13,805 INFO L168 Benchmark]: RCFGBuilder took 343.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 55.2 MB). Peak memory consumption was 55.2 MB. Max. memory is 11.5 GB. [2018-11-18 10:28:13,805 INFO L168 Benchmark]: TraceAbstraction took 57.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:28:13,807 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 349.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -160.0 MB). Peak memory consumption was 34.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.81 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 343.59 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: 55.2 MB). Peak memory consumption was 55.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 57.72 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: analysis for sequential programs does not support fork/join de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: analysis for sequential programs does not support fork/join: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomaton(CFG2NestedWordAutomaton.java:236) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 10:28:15,198 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:28:15,199 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:28:15,208 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:28:15,208 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:28:15,209 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:28:15,210 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:28:15,211 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:28:15,212 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:28:15,213 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:28:15,213 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:28:15,214 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:28:15,214 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:28:15,215 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:28:15,216 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:28:15,216 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:28:15,217 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:28:15,218 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:28:15,219 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:28:15,220 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:28:15,221 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:28:15,222 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:28:15,223 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:28:15,224 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:28:15,224 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:28:15,224 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:28:15,225 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:28:15,226 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:28:15,226 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:28:15,227 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:28:15,227 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:28:15,227 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:28:15,228 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:28:15,228 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:28:15,228 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:28:15,229 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:28:15,229 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_af7e8dbd-5dc0-4361-bb78-c32dce4f1a94/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-18 10:28:15,239 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:28:15,239 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:28:15,240 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:28:15,240 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 10:28:15,241 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:28:15,241 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:28:15,241 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 10:28:15,241 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:28:15,241 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:28:15,241 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:28:15,241 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:28:15,242 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:28:15,242 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:28:15,242 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:28:15,242 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 10:28:15,242 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 10:28:15,242 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:28:15,242 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:28:15,243 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:28:15,243 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:28:15,243 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:28:15,243 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:28:15,243 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:28:15,243 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 10:28:15,243 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:28:15,244 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:28:15,244 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:28:15,244 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:28:15,244 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-18 10:28:15,244 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:28:15,244 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 10:28:15,244 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 10:28:15,245 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_af7e8dbd-5dc0-4361-bb78-c32dce4f1a94/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 -> a9bea0c488d2f45d989ec349e22f0d31a29496ef [2018-11-18 10:28:15,275 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:28:15,283 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:28:15,286 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:28:15,287 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:28:15,287 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:28:15,288 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_af7e8dbd-5dc0-4361-bb78-c32dce4f1a94/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-atomic/peterson_true-unreach-call.i [2018-11-18 10:28:15,334 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_af7e8dbd-5dc0-4361-bb78-c32dce4f1a94/bin-2019/uautomizer/data/c37ee4d46/d626a84cd5374dac807a87e4ab26b326/FLAGbd06927ea [2018-11-18 10:28:15,691 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:28:15,692 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_af7e8dbd-5dc0-4361-bb78-c32dce4f1a94/sv-benchmarks/c/pthread-atomic/peterson_true-unreach-call.i [2018-11-18 10:28:15,700 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_af7e8dbd-5dc0-4361-bb78-c32dce4f1a94/bin-2019/uautomizer/data/c37ee4d46/d626a84cd5374dac807a87e4ab26b326/FLAGbd06927ea [2018-11-18 10:28:16,088 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_af7e8dbd-5dc0-4361-bb78-c32dce4f1a94/bin-2019/uautomizer/data/c37ee4d46/d626a84cd5374dac807a87e4ab26b326 [2018-11-18 10:28:16,090 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:28:16,091 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 10:28:16,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:28:16,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:28:16,095 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:28:16,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:28:16" (1/1) ... [2018-11-18 10:28:16,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28a4fb0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:16, skipping insertion in model container [2018-11-18 10:28:16,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:28:16" (1/1) ... [2018-11-18 10:28:16,103 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:28:16,130 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:28:16,354 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:28:16,364 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:28:16,397 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:28:16,444 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:28:16,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:16 WrapperNode [2018-11-18 10:28:16,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:28:16,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:28:16,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:28:16,446 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:28:16,498 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:16" (1/1) ... [2018-11-18 10:28:16,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:16" (1/1) ... [2018-11-18 10:28:16,511 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:16" (1/1) ... [2018-11-18 10:28:16,511 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:16" (1/1) ... [2018-11-18 10:28:16,525 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:16" (1/1) ... [2018-11-18 10:28:16,529 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:16" (1/1) ... [2018-11-18 10:28:16,531 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:16" (1/1) ... [2018-11-18 10:28:16,534 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:28:16,535 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:28:16,535 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:28:16,535 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:28:16,535 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_af7e8dbd-5dc0-4361-bb78-c32dce4f1a94/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 [2018-11-18 10:28:16,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 10:28:16,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:28:16,566 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-18 10:28:16,566 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-11-18 10:28:16,567 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 10:28:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 10:28:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpucount [2018-11-18 10:28:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpualloc [2018-11-18 10:28:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpufree [2018-11-18 10:28:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setparam [2018-11-18 10:28:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getparam [2018-11-18 10:28:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setscheduler [2018-11-18 10:28:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getscheduler [2018-11-18 10:28:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure sched_yield [2018-11-18 10:28:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_max [2018-11-18 10:28:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_min [2018-11-18 10:28:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure sched_rr_get_interval [2018-11-18 10:28:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure clock [2018-11-18 10:28:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure time [2018-11-18 10:28:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure difftime [2018-11-18 10:28:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure mktime [2018-11-18 10:28:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure strftime [2018-11-18 10:28:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure strftime_l [2018-11-18 10:28:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime [2018-11-18 10:28:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure localtime [2018-11-18 10:28:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime_r [2018-11-18 10:28:16,570 INFO L130 BoogieDeclarations]: Found specification of procedure localtime_r [2018-11-18 10:28:16,570 INFO L130 BoogieDeclarations]: Found specification of procedure asctime [2018-11-18 10:28:16,570 INFO L130 BoogieDeclarations]: Found specification of procedure ctime [2018-11-18 10:28:16,570 INFO L130 BoogieDeclarations]: Found specification of procedure asctime_r [2018-11-18 10:28:16,570 INFO L130 BoogieDeclarations]: Found specification of procedure ctime_r [2018-11-18 10:28:16,570 INFO L130 BoogieDeclarations]: Found specification of procedure tzset [2018-11-18 10:28:16,570 INFO L130 BoogieDeclarations]: Found specification of procedure stime [2018-11-18 10:28:16,570 INFO L130 BoogieDeclarations]: Found specification of procedure timegm [2018-11-18 10:28:16,570 INFO L130 BoogieDeclarations]: Found specification of procedure timelocal [2018-11-18 10:28:16,571 INFO L130 BoogieDeclarations]: Found specification of procedure dysize [2018-11-18 10:28:16,571 INFO L130 BoogieDeclarations]: Found specification of procedure nanosleep [2018-11-18 10:28:16,571 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getres [2018-11-18 10:28:16,571 INFO L130 BoogieDeclarations]: Found specification of procedure clock_gettime [2018-11-18 10:28:16,571 INFO L130 BoogieDeclarations]: Found specification of procedure clock_settime [2018-11-18 10:28:16,571 INFO L130 BoogieDeclarations]: Found specification of procedure clock_nanosleep [2018-11-18 10:28:16,571 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getcpuclockid [2018-11-18 10:28:16,571 INFO L130 BoogieDeclarations]: Found specification of procedure timer_create [2018-11-18 10:28:16,571 INFO L130 BoogieDeclarations]: Found specification of procedure timer_delete [2018-11-18 10:28:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure timer_settime [2018-11-18 10:28:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure timer_gettime [2018-11-18 10:28:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure timer_getoverrun [2018-11-18 10:28:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_create [2018-11-18 10:28:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_exit [2018-11-18 10:28:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_join [2018-11-18 10:28:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_detach [2018-11-18 10:28:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_self [2018-11-18 10:28:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_equal [2018-11-18 10:28:16,573 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_init [2018-11-18 10:28:16,573 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_destroy [2018-11-18 10:28:16,573 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getdetachstate [2018-11-18 10:28:16,573 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setdetachstate [2018-11-18 10:28:16,573 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getguardsize [2018-11-18 10:28:16,573 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setguardsize [2018-11-18 10:28:16,573 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedparam [2018-11-18 10:28:16,573 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedparam [2018-11-18 10:28:16,573 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedpolicy [2018-11-18 10:28:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedpolicy [2018-11-18 10:28:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getinheritsched [2018-11-18 10:28:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setinheritsched [2018-11-18 10:28:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getscope [2018-11-18 10:28:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setscope [2018-11-18 10:28:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstackaddr [2018-11-18 10:28:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstackaddr [2018-11-18 10:28:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstacksize [2018-11-18 10:28:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstacksize [2018-11-18 10:28:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstack [2018-11-18 10:28:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstack [2018-11-18 10:28:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedparam [2018-11-18 10:28:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getschedparam [2018-11-18 10:28:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedprio [2018-11-18 10:28:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_once [2018-11-18 10:28:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcancelstate [2018-11-18 10:28:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcanceltype [2018-11-18 10:28:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cancel [2018-11-18 10:28:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_testcancel [2018-11-18 10:28:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_register_cancel [2018-11-18 10:28:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unregister_cancel [2018-11-18 10:28:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unwind_next [2018-11-18 10:28:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure __sigsetjmp [2018-11-18 10:28:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_init [2018-11-18 10:28:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_destroy [2018-11-18 10:28:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2018-11-18 10:28:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_lock [2018-11-18 10:28:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_timedlock [2018-11-18 10:28:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_unlock [2018-11-18 10:28:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_getprioceiling [2018-11-18 10:28:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_setprioceiling [2018-11-18 10:28:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_consistent [2018-11-18 10:28:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_init [2018-11-18 10:28:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_destroy [2018-11-18 10:28:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getpshared [2018-11-18 10:28:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setpshared [2018-11-18 10:28:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_gettype [2018-11-18 10:28:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_settype [2018-11-18 10:28:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprotocol [2018-11-18 10:28:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprotocol [2018-11-18 10:28:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprioceiling [2018-11-18 10:28:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprioceiling [2018-11-18 10:28:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getrobust [2018-11-18 10:28:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setrobust [2018-11-18 10:28:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_init [2018-11-18 10:28:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_destroy [2018-11-18 10:28:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_rdlock [2018-11-18 10:28:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_tryrdlock [2018-11-18 10:28:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedrdlock [2018-11-18 10:28:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_wrlock [2018-11-18 10:28:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_trywrlock [2018-11-18 10:28:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedwrlock [2018-11-18 10:28:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_unlock [2018-11-18 10:28:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_init [2018-11-18 10:28:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_destroy [2018-11-18 10:28:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getpshared [2018-11-18 10:28:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setpshared [2018-11-18 10:28:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getkind_np [2018-11-18 10:28:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setkind_np [2018-11-18 10:28:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_init [2018-11-18 10:28:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_destroy [2018-11-18 10:28:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_signal [2018-11-18 10:28:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_broadcast [2018-11-18 10:28:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_wait [2018-11-18 10:28:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_timedwait [2018-11-18 10:28:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_init [2018-11-18 10:28:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_destroy [2018-11-18 10:28:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getpshared [2018-11-18 10:28:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setpshared [2018-11-18 10:28:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getclock [2018-11-18 10:28:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setclock [2018-11-18 10:28:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_init [2018-11-18 10:28:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_destroy [2018-11-18 10:28:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_lock [2018-11-18 10:28:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_trylock [2018-11-18 10:28:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_unlock [2018-11-18 10:28:16,582 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_init [2018-11-18 10:28:16,582 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_destroy [2018-11-18 10:28:16,582 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_wait [2018-11-18 10:28:16,582 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_init [2018-11-18 10:28:16,582 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_destroy [2018-11-18 10:28:16,582 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_getpshared [2018-11-18 10:28:16,582 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_setpshared [2018-11-18 10:28:16,582 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_create [2018-11-18 10:28:16,582 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_delete [2018-11-18 10:28:16,582 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getspecific [2018-11-18 10:28:16,583 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setspecific [2018-11-18 10:28:16,583 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getcpuclockid [2018-11-18 10:28:16,583 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_atfork [2018-11-18 10:28:16,583 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-18 10:28:16,583 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-11-18 10:28:16,583 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 10:28:16,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:28:16,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 10:28:16,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 10:28:16,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 10:28:16,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:28:16,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-18 10:28:16,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 10:28:16,585 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-18 10:28:16,898 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:28:16,916 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:28:16,916 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:28:16,916 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr2_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:28:16,916 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr2_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:28:16,916 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:28:16,917 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:28:16,917 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:28:16,917 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:28:16,917 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:28:16,917 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:28:16,918 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:28:16,918 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:28:16,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:28:16 BasicIcfg [2018-11-18 10:28:16,929 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:28:16,929 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 10:28:16,929 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 10:28:16,932 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 10:28:16,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:28:16" (1/3) ... [2018-11-18 10:28:16,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1257acd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:28:16, skipping insertion in model container [2018-11-18 10:28:16,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:16" (2/3) ... [2018-11-18 10:28:16,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1257acd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:28:16, skipping insertion in model container [2018-11-18 10:28:16,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:28:16" (3/3) ... [2018-11-18 10:28:16,934 INFO L112 eAbstractionObserver]: Analyzing ICFG peterson_true-unreach-call.i_BEv2 [2018-11-18 10:28:16,940 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 10:28:16,946 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2018-11-18 10:28:16,959 INFO L257 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2018-11-18 10:28:16,975 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 10:28:16,976 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 10:28:16,976 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 10:28:16,976 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 10:28:16,976 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:28:16,976 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:28:16,976 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 10:28:16,976 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:28:16,976 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 10:28:16,982 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: analysis for sequential programs does not support fork/join at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomaton(CFG2NestedWordAutomaton.java:236) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomatonWithSPredicates(CFG2NestedWordAutomaton.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:316) 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:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-18 10:28:16,984 INFO L168 Benchmark]: Toolchain (without parser) took 893.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 946.4 MB in the beginning and 1.0 GB in the end (delta: -94.3 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. [2018-11-18 10:28:16,985 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:28:16,986 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.26 ms. Allocated memory is still 1.0 GB. Free memory was 946.4 MB in the beginning and 914.2 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-18 10:28:16,986 INFO L168 Benchmark]: Boogie Preprocessor took 89.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 914.2 MB in the beginning and 1.1 GB in the end (delta: -186.7 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:28:16,987 INFO L168 Benchmark]: RCFGBuilder took 393.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.5 MB). Peak memory consumption was 53.5 MB. Max. memory is 11.5 GB. [2018-11-18 10:28:16,987 INFO L168 Benchmark]: TraceAbstraction took 54.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-18 10:28:16,989 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 353.26 ms. Allocated memory is still 1.0 GB. Free memory was 946.4 MB in the beginning and 914.2 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 89.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 914.2 MB in the beginning and 1.1 GB in the end (delta: -186.7 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 393.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.5 MB). Peak memory consumption was 53.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 54.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: analysis for sequential programs does not support fork/join de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: analysis for sequential programs does not support fork/join: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomaton(CFG2NestedWordAutomaton.java:236) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...