./Ultimate.py --spec ../../sv-benchmarks/c/ConcurrencySafety.prp --file ../../sv-benchmarks/c/pthread-atomic/dekker_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_c1210deb-5718-4927-bab4-b742092544fa/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c1210deb-5718-4927-bab4-b742092544fa/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c1210deb-5718-4927-bab4-b742092544fa/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c1210deb-5718-4927-bab4-b742092544fa/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/dekker_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_c1210deb-5718-4927-bab4-b742092544fa/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c1210deb-5718-4927-bab4-b742092544fa/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 6acd1b4df42e10450e7d05fa6ddd1043597a40b7 .......................................................................................................................................................................................................................................................................................................................................................................................... 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_c1210deb-5718-4927-bab4-b742092544fa/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c1210deb-5718-4927-bab4-b742092544fa/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c1210deb-5718-4927-bab4-b742092544fa/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c1210deb-5718-4927-bab4-b742092544fa/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/dekker_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_c1210deb-5718-4927-bab4-b742092544fa/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c1210deb-5718-4927-bab4-b742092544fa/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 6acd1b4df42e10450e7d05fa6ddd1043597a40b7 ........................................................................................................................................................................................................................................................................................................................................................................................ 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 10:47:59,525 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:47:59,527 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:47:59,532 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:47:59,533 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:47:59,533 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:47:59,534 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:47:59,535 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:47:59,536 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:47:59,537 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:47:59,538 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:47:59,538 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:47:59,538 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:47:59,539 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:47:59,540 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:47:59,540 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:47:59,541 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:47:59,542 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:47:59,543 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:47:59,544 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:47:59,545 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:47:59,546 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:47:59,547 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:47:59,548 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:47:59,548 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:47:59,548 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:47:59,549 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:47:59,550 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:47:59,550 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:47:59,551 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:47:59,551 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:47:59,551 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:47:59,552 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:47:59,552 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:47:59,552 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:47:59,553 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:47:59,553 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c1210deb-5718-4927-bab4-b742092544fa/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf [2018-11-18 10:47:59,563 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:47:59,563 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:47:59,563 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:47:59,564 INFO L133 SettingsManager]: * Process only entry and re-entry procedures=false [2018-11-18 10:47:59,564 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:47:59,564 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:47:59,564 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 10:47:59,565 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:47:59,565 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:47:59,565 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:47:59,565 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:47:59,565 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:47:59,565 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:47:59,565 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:47:59,566 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:47:59,566 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:47:59,566 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:47:59,566 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:47:59,566 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:47:59,566 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:47:59,567 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:47:59,567 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:47:59,567 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 10:47:59,567 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:47:59,567 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:47:59,567 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:47:59,567 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:47:59,568 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 10:47:59,568 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:47:59,568 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 10:47:59,568 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_c1210deb-5718-4927-bab4-b742092544fa/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 -> 6acd1b4df42e10450e7d05fa6ddd1043597a40b7 [2018-11-18 10:47:59,590 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:47:59,599 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:47:59,601 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:47:59,602 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:47:59,602 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:47:59,603 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c1210deb-5718-4927-bab4-b742092544fa/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-atomic/dekker_true-unreach-call.i [2018-11-18 10:47:59,645 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c1210deb-5718-4927-bab4-b742092544fa/bin-2019/uautomizer/data/991efc55b/73efbb8788424f07a130a69a54a9a525/FLAG13882b34d [2018-11-18 10:47:59,983 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:47:59,984 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c1210deb-5718-4927-bab4-b742092544fa/sv-benchmarks/c/pthread-atomic/dekker_true-unreach-call.i [2018-11-18 10:47:59,995 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c1210deb-5718-4927-bab4-b742092544fa/bin-2019/uautomizer/data/991efc55b/73efbb8788424f07a130a69a54a9a525/FLAG13882b34d [2018-11-18 10:48:00,005 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c1210deb-5718-4927-bab4-b742092544fa/bin-2019/uautomizer/data/991efc55b/73efbb8788424f07a130a69a54a9a525 [2018-11-18 10:48:00,007 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:48:00,007 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 10:48:00,008 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:48:00,008 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:48:00,010 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:48:00,011 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:48:00" (1/1) ... [2018-11-18 10:48:00,012 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 10:48:00, skipping insertion in model container [2018-11-18 10:48:00,012 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:48:00" (1/1) ... [2018-11-18 10:48:00,018 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:48:00,048 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:48:00,244 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:48:00,252 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:48:00,325 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:48:00,366 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:48:00,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:00 WrapperNode [2018-11-18 10:48:00,367 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:48:00,367 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:48:00,367 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:48:00,367 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:48:00,377 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:00" (1/1) ... [2018-11-18 10:48:00,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:00" (1/1) ... [2018-11-18 10:48:00,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:00" (1/1) ... [2018-11-18 10:48:00,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:00" (1/1) ... [2018-11-18 10:48:00,398 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:00" (1/1) ... [2018-11-18 10:48:00,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:00" (1/1) ... [2018-11-18 10:48:00,405 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:00" (1/1) ... [2018-11-18 10:48:00,409 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:48:00,409 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:48:00,409 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:48:00,409 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:48:00,410 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c1210deb-5718-4927-bab4-b742092544fa/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 10:48:00,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 10:48:00,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:48:00,459 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-18 10:48:00,459 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-11-18 10:48:00,459 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 10:48:00,459 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-11-18 10:48:00,459 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 10:48:00,459 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpucount [2018-11-18 10:48:00,459 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpualloc [2018-11-18 10:48:00,460 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpufree [2018-11-18 10:48:00,460 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setparam [2018-11-18 10:48:00,460 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getparam [2018-11-18 10:48:00,460 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setscheduler [2018-11-18 10:48:00,460 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getscheduler [2018-11-18 10:48:00,460 INFO L130 BoogieDeclarations]: Found specification of procedure sched_yield [2018-11-18 10:48:00,460 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_max [2018-11-18 10:48:00,460 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_min [2018-11-18 10:48:00,460 INFO L130 BoogieDeclarations]: Found specification of procedure sched_rr_get_interval [2018-11-18 10:48:00,461 INFO L130 BoogieDeclarations]: Found specification of procedure clock [2018-11-18 10:48:00,461 INFO L130 BoogieDeclarations]: Found specification of procedure time [2018-11-18 10:48:00,461 INFO L130 BoogieDeclarations]: Found specification of procedure difftime [2018-11-18 10:48:00,461 INFO L130 BoogieDeclarations]: Found specification of procedure mktime [2018-11-18 10:48:00,461 INFO L130 BoogieDeclarations]: Found specification of procedure strftime [2018-11-18 10:48:00,461 INFO L130 BoogieDeclarations]: Found specification of procedure strftime_l [2018-11-18 10:48:00,461 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime [2018-11-18 10:48:00,461 INFO L130 BoogieDeclarations]: Found specification of procedure localtime [2018-11-18 10:48:00,461 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime_r [2018-11-18 10:48:00,462 INFO L130 BoogieDeclarations]: Found specification of procedure localtime_r [2018-11-18 10:48:00,462 INFO L130 BoogieDeclarations]: Found specification of procedure asctime [2018-11-18 10:48:00,462 INFO L130 BoogieDeclarations]: Found specification of procedure ctime [2018-11-18 10:48:00,462 INFO L130 BoogieDeclarations]: Found specification of procedure asctime_r [2018-11-18 10:48:00,462 INFO L130 BoogieDeclarations]: Found specification of procedure ctime_r [2018-11-18 10:48:00,462 INFO L130 BoogieDeclarations]: Found specification of procedure tzset [2018-11-18 10:48:00,462 INFO L130 BoogieDeclarations]: Found specification of procedure stime [2018-11-18 10:48:00,462 INFO L130 BoogieDeclarations]: Found specification of procedure timegm [2018-11-18 10:48:00,462 INFO L130 BoogieDeclarations]: Found specification of procedure timelocal [2018-11-18 10:48:00,462 INFO L130 BoogieDeclarations]: Found specification of procedure dysize [2018-11-18 10:48:00,463 INFO L130 BoogieDeclarations]: Found specification of procedure nanosleep [2018-11-18 10:48:00,463 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getres [2018-11-18 10:48:00,463 INFO L130 BoogieDeclarations]: Found specification of procedure clock_gettime [2018-11-18 10:48:00,463 INFO L130 BoogieDeclarations]: Found specification of procedure clock_settime [2018-11-18 10:48:00,463 INFO L130 BoogieDeclarations]: Found specification of procedure clock_nanosleep [2018-11-18 10:48:00,463 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getcpuclockid [2018-11-18 10:48:00,463 INFO L130 BoogieDeclarations]: Found specification of procedure timer_create [2018-11-18 10:48:00,463 INFO L130 BoogieDeclarations]: Found specification of procedure timer_delete [2018-11-18 10:48:00,463 INFO L130 BoogieDeclarations]: Found specification of procedure timer_settime [2018-11-18 10:48:00,463 INFO L130 BoogieDeclarations]: Found specification of procedure timer_gettime [2018-11-18 10:48:00,464 INFO L130 BoogieDeclarations]: Found specification of procedure timer_getoverrun [2018-11-18 10:48:00,464 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_create [2018-11-18 10:48:00,464 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_exit [2018-11-18 10:48:00,464 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_join [2018-11-18 10:48:00,464 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_detach [2018-11-18 10:48:00,464 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_self [2018-11-18 10:48:00,464 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_equal [2018-11-18 10:48:00,464 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_init [2018-11-18 10:48:00,464 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_destroy [2018-11-18 10:48:00,465 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getdetachstate [2018-11-18 10:48:00,465 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setdetachstate [2018-11-18 10:48:00,465 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getguardsize [2018-11-18 10:48:00,465 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setguardsize [2018-11-18 10:48:00,465 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedparam [2018-11-18 10:48:00,465 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedparam [2018-11-18 10:48:00,465 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedpolicy [2018-11-18 10:48:00,465 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedpolicy [2018-11-18 10:48:00,465 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getinheritsched [2018-11-18 10:48:00,465 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setinheritsched [2018-11-18 10:48:00,466 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getscope [2018-11-18 10:48:00,466 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setscope [2018-11-18 10:48:00,466 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstackaddr [2018-11-18 10:48:00,466 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstackaddr [2018-11-18 10:48:00,466 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstacksize [2018-11-18 10:48:00,466 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstacksize [2018-11-18 10:48:00,466 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstack [2018-11-18 10:48:00,466 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstack [2018-11-18 10:48:00,466 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedparam [2018-11-18 10:48:00,467 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getschedparam [2018-11-18 10:48:00,467 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedprio [2018-11-18 10:48:00,467 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_once [2018-11-18 10:48:00,467 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcancelstate [2018-11-18 10:48:00,467 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcanceltype [2018-11-18 10:48:00,467 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cancel [2018-11-18 10:48:00,467 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_testcancel [2018-11-18 10:48:00,467 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_register_cancel [2018-11-18 10:48:00,467 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unregister_cancel [2018-11-18 10:48:00,468 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unwind_next [2018-11-18 10:48:00,468 INFO L130 BoogieDeclarations]: Found specification of procedure __sigsetjmp [2018-11-18 10:48:00,468 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_init [2018-11-18 10:48:00,468 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_destroy [2018-11-18 10:48:00,468 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2018-11-18 10:48:00,468 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_lock [2018-11-18 10:48:00,468 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_timedlock [2018-11-18 10:48:00,468 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_unlock [2018-11-18 10:48:00,468 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_getprioceiling [2018-11-18 10:48:00,468 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_setprioceiling [2018-11-18 10:48:00,469 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_consistent [2018-11-18 10:48:00,469 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_init [2018-11-18 10:48:00,469 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_destroy [2018-11-18 10:48:00,470 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getpshared [2018-11-18 10:48:00,470 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setpshared [2018-11-18 10:48:00,470 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_gettype [2018-11-18 10:48:00,470 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_settype [2018-11-18 10:48:00,470 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprotocol [2018-11-18 10:48:00,470 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprotocol [2018-11-18 10:48:00,470 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprioceiling [2018-11-18 10:48:00,470 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprioceiling [2018-11-18 10:48:00,470 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getrobust [2018-11-18 10:48:00,470 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setrobust [2018-11-18 10:48:00,470 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_init [2018-11-18 10:48:00,470 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_destroy [2018-11-18 10:48:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_rdlock [2018-11-18 10:48:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_tryrdlock [2018-11-18 10:48:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedrdlock [2018-11-18 10:48:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_wrlock [2018-11-18 10:48:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_trywrlock [2018-11-18 10:48:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedwrlock [2018-11-18 10:48:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_unlock [2018-11-18 10:48:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_init [2018-11-18 10:48:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_destroy [2018-11-18 10:48:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getpshared [2018-11-18 10:48:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setpshared [2018-11-18 10:48:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getkind_np [2018-11-18 10:48:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setkind_np [2018-11-18 10:48:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_init [2018-11-18 10:48:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_destroy [2018-11-18 10:48:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_signal [2018-11-18 10:48:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_broadcast [2018-11-18 10:48:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_wait [2018-11-18 10:48:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_timedwait [2018-11-18 10:48:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_init [2018-11-18 10:48:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_destroy [2018-11-18 10:48:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getpshared [2018-11-18 10:48:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setpshared [2018-11-18 10:48:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getclock [2018-11-18 10:48:00,473 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setclock [2018-11-18 10:48:00,473 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_init [2018-11-18 10:48:00,473 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_destroy [2018-11-18 10:48:00,473 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_lock [2018-11-18 10:48:00,473 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_trylock [2018-11-18 10:48:00,473 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_unlock [2018-11-18 10:48:00,473 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_init [2018-11-18 10:48:00,473 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_destroy [2018-11-18 10:48:00,473 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_wait [2018-11-18 10:48:00,474 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_init [2018-11-18 10:48:00,474 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_destroy [2018-11-18 10:48:00,474 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_getpshared [2018-11-18 10:48:00,474 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_setpshared [2018-11-18 10:48:00,474 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_create [2018-11-18 10:48:00,474 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_delete [2018-11-18 10:48:00,474 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getspecific [2018-11-18 10:48:00,474 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setspecific [2018-11-18 10:48:00,474 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getcpuclockid [2018-11-18 10:48:00,474 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_atfork [2018-11-18 10:48:00,475 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-18 10:48:00,475 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-11-18 10:48:00,475 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 10:48:00,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:48:00,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 10:48:00,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 10:48:00,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 10:48:00,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:48:00,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 10:48:00,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 10:48:00,476 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 10:48:00,785 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:48:00,807 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:48:00,808 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:48:00,808 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr2_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:48:00,808 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr2_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:48:00,809 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:48:00,809 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:48:00,810 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:48:00,810 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:48:00,810 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:48:00,810 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:48:00,811 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:48:00,811 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:48:00,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:48:00 BasicIcfg [2018-11-18 10:48:00,822 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:48:00,822 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 10:48:00,823 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 10:48:00,825 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 10:48:00,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:48:00" (1/3) ... [2018-11-18 10:48:00,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66c538d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:48:00, skipping insertion in model container [2018-11-18 10:48:00,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:00" (2/3) ... [2018-11-18 10:48:00,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66c538d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:48:00, skipping insertion in model container [2018-11-18 10:48:00,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:48:00" (3/3) ... [2018-11-18 10:48:00,828 INFO L112 eAbstractionObserver]: Analyzing ICFG dekker_true-unreach-call.i_BEv2 [2018-11-18 10:48:00,836 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 10:48:00,844 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2018-11-18 10:48:00,858 INFO L257 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2018-11-18 10:48:00,882 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 10:48:00,882 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 10:48:00,882 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 10:48:00,882 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 10:48:00,883 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:48:00,883 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:48:00,883 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 10:48:00,883 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:48:00,883 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 10:48:00,890 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:234) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-18 10:48:00,892 INFO L168 Benchmark]: Toolchain (without parser) took 885.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -108.3 MB). Peak memory consumption was 46.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:48:00,894 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:48:00,894 INFO L168 Benchmark]: CACSL2BoogieTranslator took 358.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -178.2 MB). Peak memory consumption was 34.5 MB. Max. memory is 11.5 GB. [2018-11-18 10:48:00,894 INFO L168 Benchmark]: Boogie Preprocessor took 41.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:48:00,895 INFO L168 Benchmark]: RCFGBuilder took 412.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 63.1 MB). Peak memory consumption was 63.1 MB. Max. memory is 11.5 GB. [2018-11-18 10:48:00,896 INFO L168 Benchmark]: TraceAbstraction took 69.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:48:00,898 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 358.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -178.2 MB). Peak memory consumption was 34.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 412.94 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: 63.1 MB). Peak memory consumption was 63.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 69.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * 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:234) 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 10:48:02,320 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:48:02,322 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:48:02,331 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:48:02,331 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:48:02,331 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:48:02,332 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:48:02,333 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:48:02,335 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:48:02,335 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:48:02,336 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:48:02,336 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:48:02,337 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:48:02,337 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:48:02,338 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:48:02,339 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:48:02,339 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:48:02,340 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:48:02,342 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:48:02,343 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:48:02,343 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:48:02,344 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:48:02,346 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:48:02,346 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:48:02,346 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:48:02,347 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:48:02,347 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:48:02,348 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:48:02,348 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:48:02,349 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:48:02,349 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:48:02,350 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:48:02,350 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:48:02,350 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:48:02,351 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:48:02,351 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:48:02,351 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c1210deb-5718-4927-bab4-b742092544fa/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-18 10:48:02,361 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:48:02,362 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:48:02,362 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:48:02,362 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 10:48:02,363 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:48:02,363 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:48:02,363 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 10:48:02,363 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:48:02,363 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:48:02,363 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:48:02,364 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:48:02,364 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:48:02,364 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:48:02,364 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:48:02,364 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 10:48:02,364 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 10:48:02,364 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:48:02,365 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:48:02,365 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:48:02,365 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:48:02,365 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:48:02,365 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:48:02,365 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:48:02,366 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 10:48:02,366 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:48:02,366 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:48:02,366 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:48:02,366 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:48:02,366 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-18 10:48:02,366 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:48:02,366 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 10:48:02,367 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 10:48:02,367 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_c1210deb-5718-4927-bab4-b742092544fa/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 -> 6acd1b4df42e10450e7d05fa6ddd1043597a40b7 [2018-11-18 10:48:02,396 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:48:02,405 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:48:02,407 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:48:02,408 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:48:02,409 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:48:02,409 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c1210deb-5718-4927-bab4-b742092544fa/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-atomic/dekker_true-unreach-call.i [2018-11-18 10:48:02,455 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c1210deb-5718-4927-bab4-b742092544fa/bin-2019/uautomizer/data/394a9f845/a2c6a015834d41999dd33e1e71c859a8/FLAGa3d2efbe3 [2018-11-18 10:48:02,892 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:48:02,892 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c1210deb-5718-4927-bab4-b742092544fa/sv-benchmarks/c/pthread-atomic/dekker_true-unreach-call.i [2018-11-18 10:48:02,902 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c1210deb-5718-4927-bab4-b742092544fa/bin-2019/uautomizer/data/394a9f845/a2c6a015834d41999dd33e1e71c859a8/FLAGa3d2efbe3 [2018-11-18 10:48:02,912 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c1210deb-5718-4927-bab4-b742092544fa/bin-2019/uautomizer/data/394a9f845/a2c6a015834d41999dd33e1e71c859a8 [2018-11-18 10:48:02,914 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:48:02,915 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 10:48:02,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:48:02,916 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:48:02,918 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:48:02,918 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:48:02" (1/1) ... [2018-11-18 10:48:02,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d9f8bbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:02, skipping insertion in model container [2018-11-18 10:48:02,920 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:48:02" (1/1) ... [2018-11-18 10:48:02,926 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:48:02,954 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:48:03,164 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:48:03,173 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:48:03,205 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:48:03,240 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:48:03,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:03 WrapperNode [2018-11-18 10:48:03,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:48:03,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:48:03,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:48:03,241 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:48:03,297 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:03" (1/1) ... [2018-11-18 10:48:03,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:03" (1/1) ... [2018-11-18 10:48:03,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:03" (1/1) ... [2018-11-18 10:48:03,309 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:03" (1/1) ... [2018-11-18 10:48:03,323 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:03" (1/1) ... [2018-11-18 10:48:03,327 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:03" (1/1) ... [2018-11-18 10:48:03,330 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:03" (1/1) ... [2018-11-18 10:48:03,334 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:48:03,335 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:48:03,335 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:48:03,335 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:48:03,335 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c1210deb-5718-4927-bab4-b742092544fa/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 10:48:03,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 10:48:03,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:48:03,366 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-18 10:48:03,366 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-11-18 10:48:03,366 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 10:48:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-11-18 10:48:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 10:48:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpucount [2018-11-18 10:48:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpualloc [2018-11-18 10:48:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpufree [2018-11-18 10:48:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setparam [2018-11-18 10:48:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getparam [2018-11-18 10:48:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setscheduler [2018-11-18 10:48:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getscheduler [2018-11-18 10:48:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure sched_yield [2018-11-18 10:48:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_max [2018-11-18 10:48:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_min [2018-11-18 10:48:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure sched_rr_get_interval [2018-11-18 10:48:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure clock [2018-11-18 10:48:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure time [2018-11-18 10:48:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure difftime [2018-11-18 10:48:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure mktime [2018-11-18 10:48:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure strftime [2018-11-18 10:48:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure strftime_l [2018-11-18 10:48:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime [2018-11-18 10:48:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure localtime [2018-11-18 10:48:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime_r [2018-11-18 10:48:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure localtime_r [2018-11-18 10:48:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure asctime [2018-11-18 10:48:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure ctime [2018-11-18 10:48:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure asctime_r [2018-11-18 10:48:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure ctime_r [2018-11-18 10:48:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure tzset [2018-11-18 10:48:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure stime [2018-11-18 10:48:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure timegm [2018-11-18 10:48:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure timelocal [2018-11-18 10:48:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure dysize [2018-11-18 10:48:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure nanosleep [2018-11-18 10:48:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getres [2018-11-18 10:48:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure clock_gettime [2018-11-18 10:48:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure clock_settime [2018-11-18 10:48:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure clock_nanosleep [2018-11-18 10:48:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getcpuclockid [2018-11-18 10:48:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure timer_create [2018-11-18 10:48:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure timer_delete [2018-11-18 10:48:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure timer_settime [2018-11-18 10:48:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure timer_gettime [2018-11-18 10:48:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure timer_getoverrun [2018-11-18 10:48:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_create [2018-11-18 10:48:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_exit [2018-11-18 10:48:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_join [2018-11-18 10:48:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_detach [2018-11-18 10:48:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_self [2018-11-18 10:48:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_equal [2018-11-18 10:48:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_init [2018-11-18 10:48:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_destroy [2018-11-18 10:48:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getdetachstate [2018-11-18 10:48:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setdetachstate [2018-11-18 10:48:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getguardsize [2018-11-18 10:48:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setguardsize [2018-11-18 10:48:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedparam [2018-11-18 10:48:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedparam [2018-11-18 10:48:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedpolicy [2018-11-18 10:48:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedpolicy [2018-11-18 10:48:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getinheritsched [2018-11-18 10:48:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setinheritsched [2018-11-18 10:48:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getscope [2018-11-18 10:48:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setscope [2018-11-18 10:48:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstackaddr [2018-11-18 10:48:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstackaddr [2018-11-18 10:48:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstacksize [2018-11-18 10:48:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstacksize [2018-11-18 10:48:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstack [2018-11-18 10:48:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstack [2018-11-18 10:48:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedparam [2018-11-18 10:48:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getschedparam [2018-11-18 10:48:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedprio [2018-11-18 10:48:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_once [2018-11-18 10:48:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcancelstate [2018-11-18 10:48:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcanceltype [2018-11-18 10:48:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cancel [2018-11-18 10:48:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_testcancel [2018-11-18 10:48:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_register_cancel [2018-11-18 10:48:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unregister_cancel [2018-11-18 10:48:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unwind_next [2018-11-18 10:48:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure __sigsetjmp [2018-11-18 10:48:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_init [2018-11-18 10:48:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_destroy [2018-11-18 10:48:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2018-11-18 10:48:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_lock [2018-11-18 10:48:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_timedlock [2018-11-18 10:48:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_unlock [2018-11-18 10:48:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_getprioceiling [2018-11-18 10:48:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_setprioceiling [2018-11-18 10:48:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_consistent [2018-11-18 10:48:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_init [2018-11-18 10:48:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_destroy [2018-11-18 10:48:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getpshared [2018-11-18 10:48:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setpshared [2018-11-18 10:48:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_gettype [2018-11-18 10:48:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_settype [2018-11-18 10:48:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprotocol [2018-11-18 10:48:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprotocol [2018-11-18 10:48:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprioceiling [2018-11-18 10:48:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprioceiling [2018-11-18 10:48:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getrobust [2018-11-18 10:48:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setrobust [2018-11-18 10:48:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_init [2018-11-18 10:48:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_destroy [2018-11-18 10:48:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_rdlock [2018-11-18 10:48:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_tryrdlock [2018-11-18 10:48:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedrdlock [2018-11-18 10:48:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_wrlock [2018-11-18 10:48:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_trywrlock [2018-11-18 10:48:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedwrlock [2018-11-18 10:48:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_unlock [2018-11-18 10:48:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_init [2018-11-18 10:48:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_destroy [2018-11-18 10:48:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getpshared [2018-11-18 10:48:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setpshared [2018-11-18 10:48:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getkind_np [2018-11-18 10:48:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setkind_np [2018-11-18 10:48:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_init [2018-11-18 10:48:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_destroy [2018-11-18 10:48:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_signal [2018-11-18 10:48:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_broadcast [2018-11-18 10:48:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_wait [2018-11-18 10:48:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_timedwait [2018-11-18 10:48:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_init [2018-11-18 10:48:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_destroy [2018-11-18 10:48:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getpshared [2018-11-18 10:48:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setpshared [2018-11-18 10:48:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getclock [2018-11-18 10:48:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setclock [2018-11-18 10:48:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_init [2018-11-18 10:48:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_destroy [2018-11-18 10:48:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_lock [2018-11-18 10:48:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_trylock [2018-11-18 10:48:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_unlock [2018-11-18 10:48:03,381 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_init [2018-11-18 10:48:03,381 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_destroy [2018-11-18 10:48:03,381 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_wait [2018-11-18 10:48:03,381 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_init [2018-11-18 10:48:03,381 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_destroy [2018-11-18 10:48:03,381 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_getpshared [2018-11-18 10:48:03,381 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_setpshared [2018-11-18 10:48:03,381 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_create [2018-11-18 10:48:03,381 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_delete [2018-11-18 10:48:03,382 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getspecific [2018-11-18 10:48:03,382 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setspecific [2018-11-18 10:48:03,382 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getcpuclockid [2018-11-18 10:48:03,382 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_atfork [2018-11-18 10:48:03,382 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-18 10:48:03,382 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-11-18 10:48:03,382 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 10:48:03,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:48:03,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 10:48:03,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 10:48:03,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 10:48:03,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:48:03,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-18 10:48:03,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 10:48:03,384 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 10:48:03,694 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:48:03,712 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:48:03,712 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:48:03,712 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr2_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:48:03,713 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr2_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:48:03,713 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:48:03,713 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:48:03,714 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:48:03,714 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:48:03,714 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:48:03,714 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:48:03,715 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:48:03,715 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:48:03,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:48:03 BasicIcfg [2018-11-18 10:48:03,729 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:48:03,730 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 10:48:03,730 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 10:48:03,731 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 10:48:03,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:48:02" (1/3) ... [2018-11-18 10:48:03,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e0bf54c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:48:03, skipping insertion in model container [2018-11-18 10:48:03,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:03" (2/3) ... [2018-11-18 10:48:03,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e0bf54c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:48:03, skipping insertion in model container [2018-11-18 10:48:03,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:48:03" (3/3) ... [2018-11-18 10:48:03,734 INFO L112 eAbstractionObserver]: Analyzing ICFG dekker_true-unreach-call.i_BEv2 [2018-11-18 10:48:03,742 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 10:48:03,749 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2018-11-18 10:48:03,761 INFO L257 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2018-11-18 10:48:03,777 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 10:48:03,777 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 10:48:03,777 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 10:48:03,777 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 10:48:03,777 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:48:03,778 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:48:03,778 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 10:48:03,778 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:48:03,778 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 10:48:03,784 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:234) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-18 10:48:03,786 INFO L168 Benchmark]: Toolchain (without parser) took 871.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 945.4 MB in the beginning and 1.0 GB in the end (delta: -78.4 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-11-18 10:48:03,787 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:48:03,787 INFO L168 Benchmark]: CACSL2BoogieTranslator took 325.29 ms. Allocated memory is still 1.0 GB. Free memory was 945.4 MB in the beginning and 913.2 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-18 10:48:03,787 INFO L168 Benchmark]: Boogie Preprocessor took 93.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 913.2 MB in the beginning and 1.1 GB in the end (delta: -179.2 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2018-11-18 10:48:03,788 INFO L168 Benchmark]: RCFGBuilder took 394.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.7 MB). Peak memory consumption was 61.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:48:03,788 INFO L168 Benchmark]: TraceAbstraction took 55.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-11-18 10:48:03,790 INFO L336 ainManager$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 325.29 ms. Allocated memory is still 1.0 GB. Free memory was 945.4 MB in the beginning and 913.2 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 93.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 913.2 MB in the beginning and 1.1 GB in the end (delta: -179.2 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 394.43 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: 61.7 MB). Peak memory consumption was 61.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 55.63 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: 7.0 MB). Peak memory consumption was 7.0 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:234) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...