./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-ticket-3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff389f6c-576c-4726-a8d6-3f5e50c88827/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff389f6c-576c-4726-a8d6-3f5e50c88827/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff389f6c-576c-4726-a8d6-3f5e50c88827/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff389f6c-576c-4726-a8d6-3f5e50c88827/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-ticket-3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff389f6c-576c-4726-a8d6-3f5e50c88827/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff389f6c-576c-4726-a8d6-3f5e50c88827/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c947ca303cec71cbb6edeb9f866ed53067014e89778e5c242eb251405d7ab484 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:45:06,603 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:45:06,606 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:45:06,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:45:06,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:45:06,654 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:45:06,655 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:45:06,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:45:06,659 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:45:06,660 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:45:06,661 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:45:06,662 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:45:06,662 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:45:06,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:45:06,665 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:45:06,666 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:45:06,667 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:45:06,667 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:45:06,669 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:45:06,671 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:45:06,672 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:45:06,674 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:45:06,675 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:45:06,676 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:45:06,680 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:45:06,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:45:06,681 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:45:06,682 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:45:06,682 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:45:06,683 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:45:06,684 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:45:06,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:45:06,689 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:45:06,692 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:45:06,694 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:45:06,694 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:45:06,695 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:45:06,695 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:45:06,696 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:45:06,697 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:45:06,698 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:45:06,699 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff389f6c-576c-4726-a8d6-3f5e50c88827/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-02 20:45:06,722 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:45:06,722 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:45:06,722 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:45:06,723 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:45:06,723 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:45:06,723 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:45:06,724 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:45:06,724 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:45:06,725 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:45:06,725 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:45:06,725 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:45:06,725 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:45:06,726 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:45:06,726 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:45:06,726 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:45:06,726 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:45:06,727 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:45:06,727 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:45:06,727 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-02 20:45:06,727 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:45:06,728 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:45:06,728 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:45:06,728 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:45:06,728 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:45:06,729 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:45:06,729 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:45:06,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:45:06,729 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:45:06,730 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:45:06,730 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:45:06,730 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:45:06,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:45:06,731 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:45:06,731 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:45:06,731 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:45:06,731 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff389f6c-576c-4726-a8d6-3f5e50c88827/bin/uautomizer-Dbtcem3rbc/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff389f6c-576c-4726-a8d6-3f5e50c88827/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c947ca303cec71cbb6edeb9f866ed53067014e89778e5c242eb251405d7ab484 [2022-11-02 20:45:07,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:45:07,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:45:07,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:45:07,089 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:45:07,090 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:45:07,091 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff389f6c-576c-4726-a8d6-3f5e50c88827/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/weaver/parallel-ticket-3.wvr.c [2022-11-02 20:45:07,164 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff389f6c-576c-4726-a8d6-3f5e50c88827/bin/uautomizer-Dbtcem3rbc/data/7829478d5/35be265405664532af416ca14eddf3e9/FLAG41b573fb1 [2022-11-02 20:45:07,626 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:45:07,627 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff389f6c-576c-4726-a8d6-3f5e50c88827/sv-benchmarks/c/weaver/parallel-ticket-3.wvr.c [2022-11-02 20:45:07,636 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff389f6c-576c-4726-a8d6-3f5e50c88827/bin/uautomizer-Dbtcem3rbc/data/7829478d5/35be265405664532af416ca14eddf3e9/FLAG41b573fb1 [2022-11-02 20:45:07,999 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff389f6c-576c-4726-a8d6-3f5e50c88827/bin/uautomizer-Dbtcem3rbc/data/7829478d5/35be265405664532af416ca14eddf3e9 [2022-11-02 20:45:08,003 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:45:08,006 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:45:08,008 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:45:08,008 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:45:08,011 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:45:08,012 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:45:08" (1/1) ... [2022-11-02 20:45:08,013 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@700db858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:08, skipping insertion in model container [2022-11-02 20:45:08,013 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:45:08" (1/1) ... [2022-11-02 20:45:08,020 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:45:08,049 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:45:08,358 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff389f6c-576c-4726-a8d6-3f5e50c88827/sv-benchmarks/c/weaver/parallel-ticket-3.wvr.c[3089,3102] [2022-11-02 20:45:08,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:45:08,373 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:45:08,408 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff389f6c-576c-4726-a8d6-3f5e50c88827/sv-benchmarks/c/weaver/parallel-ticket-3.wvr.c[3089,3102] [2022-11-02 20:45:08,413 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:45:08,429 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:45:08,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:08 WrapperNode [2022-11-02 20:45:08,429 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:45:08,430 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:45:08,430 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:45:08,430 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:45:08,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:08" (1/1) ... [2022-11-02 20:45:08,445 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:08" (1/1) ... [2022-11-02 20:45:08,473 INFO L138 Inliner]: procedures = 22, calls = 55, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 325 [2022-11-02 20:45:08,474 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:45:08,474 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:45:08,475 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:45:08,475 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:45:08,485 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:08" (1/1) ... [2022-11-02 20:45:08,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:08" (1/1) ... [2022-11-02 20:45:08,489 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:08" (1/1) ... [2022-11-02 20:45:08,490 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:08" (1/1) ... [2022-11-02 20:45:08,514 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:08" (1/1) ... [2022-11-02 20:45:08,517 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:08" (1/1) ... [2022-11-02 20:45:08,518 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:08" (1/1) ... [2022-11-02 20:45:08,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:08" (1/1) ... [2022-11-02 20:45:08,523 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:45:08,523 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:45:08,524 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:45:08,524 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:45:08,538 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:08" (1/1) ... [2022-11-02 20:45:08,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:45:08,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff389f6c-576c-4726-a8d6-3f5e50c88827/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:08,583 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff389f6c-576c-4726-a8d6-3f5e50c88827/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:08,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff389f6c-576c-4726-a8d6-3f5e50c88827/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:45:08,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:45:08,630 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-02 20:45:08,631 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-02 20:45:08,631 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-02 20:45:08,631 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-02 20:45:08,631 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-02 20:45:08,631 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-02 20:45:08,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:45:08,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:45:08,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:45:08,632 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-02 20:45:08,632 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-02 20:45:08,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:45:08,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:45:08,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:45:08,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:45:08,635 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-02 20:45:08,799 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:45:08,801 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:45:09,261 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:45:09,586 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:45:09,586 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 20:45:09,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:45:09 BoogieIcfgContainer [2022-11-02 20:45:09,589 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:45:09,591 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:45:09,591 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:45:09,599 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:45:09,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:45:08" (1/3) ... [2022-11-02 20:45:09,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@743f8b41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:45:09, skipping insertion in model container [2022-11-02 20:45:09,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:08" (2/3) ... [2022-11-02 20:45:09,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@743f8b41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:45:09, skipping insertion in model container [2022-11-02 20:45:09,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:45:09" (3/3) ... [2022-11-02 20:45:09,615 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-3.wvr.c [2022-11-02 20:45:09,624 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-02 20:45:09,635 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:45:09,635 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 49 error locations. [2022-11-02 20:45:09,635 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-02 20:45:09,756 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-02 20:45:09,794 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 244 places, 239 transitions, 502 flow [2022-11-02 20:45:09,893 INFO L130 PetriNetUnfolder]: 5/236 cut-off events. [2022-11-02 20:45:09,893 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-02 20:45:09,896 INFO L83 FinitePrefix]: Finished finitePrefix Result has 249 conditions, 236 events. 5/236 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 232 event pairs, 0 based on Foata normal form. 0/182 useless extension candidates. Maximal degree in co-relation 171. Up to 2 conditions per place. [2022-11-02 20:45:09,897 INFO L82 GeneralOperation]: Start removeDead. Operand has 244 places, 239 transitions, 502 flow [2022-11-02 20:45:09,904 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 222 places, 216 transitions, 450 flow [2022-11-02 20:45:09,914 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:45:09,925 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@777e7087, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:45:09,926 INFO L358 AbstractCegarLoop]: Starting to check reachability of 84 error locations. [2022-11-02 20:45:09,937 INFO L130 PetriNetUnfolder]: 0/27 cut-off events. [2022-11-02 20:45:09,938 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-02 20:45:09,938 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:45:09,939 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:09,939 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2022-11-02 20:45:09,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:09,947 INFO L85 PathProgramCache]: Analyzing trace with hash -757850790, now seen corresponding path program 1 times [2022-11-02 20:45:09,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:09,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661211600] [2022-11-02 20:45:09,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:09,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:10,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:10,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:45:10,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:10,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661211600] [2022-11-02 20:45:10,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661211600] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:45:10,219 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:45:10,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:45:10,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221941980] [2022-11-02 20:45:10,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:45:10,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:45:10,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:45:10,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:45:10,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:45:10,276 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 239 [2022-11-02 20:45:10,283 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 216 transitions, 450 flow. Second operand has 3 states, 3 states have (on average 180.33333333333334) internal successors, (541), 3 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:10,283 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:45:10,284 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 239 [2022-11-02 20:45:10,285 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:45:10,651 INFO L130 PetriNetUnfolder]: 317/792 cut-off events. [2022-11-02 20:45:10,651 INFO L131 PetriNetUnfolder]: For 130/259 co-relation queries the response was YES. [2022-11-02 20:45:10,657 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1438 conditions, 792 events. 317/792 cut-off events. For 130/259 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 3408 event pairs, 314 based on Foata normal form. 1/738 useless extension candidates. Maximal degree in co-relation 1225. Up to 535 conditions per place. [2022-11-02 20:45:10,665 INFO L137 encePairwiseOnDemand]: 203/239 looper letters, 22 selfloop transitions, 2 changer transitions 1/182 dead transitions. [2022-11-02 20:45:10,665 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 182 transitions, 430 flow [2022-11-02 20:45:10,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:45:10,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:45:10,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 595 transitions. [2022-11-02 20:45:10,685 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8298465829846583 [2022-11-02 20:45:10,690 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 595 transitions. [2022-11-02 20:45:10,690 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 595 transitions. [2022-11-02 20:45:10,694 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:45:10,697 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 595 transitions. [2022-11-02 20:45:10,701 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 198.33333333333334) internal successors, (595), 3 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:10,709 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:10,710 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:10,712 INFO L175 Difference]: Start difference. First operand has 222 places, 216 transitions, 450 flow. Second operand 3 states and 595 transitions. [2022-11-02 20:45:10,713 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 182 transitions, 430 flow [2022-11-02 20:45:10,717 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 182 transitions, 418 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-11-02 20:45:10,721 INFO L231 Difference]: Finished difference. Result has 185 places, 181 transitions, 372 flow [2022-11-02 20:45:10,723 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=370, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=372, PETRI_PLACES=185, PETRI_TRANSITIONS=181} [2022-11-02 20:45:10,727 INFO L287 CegarLoopForPetriNet]: 222 programPoint places, -37 predicate places. [2022-11-02 20:45:10,727 INFO L495 AbstractCegarLoop]: Abstraction has has 185 places, 181 transitions, 372 flow [2022-11-02 20:45:10,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 180.33333333333334) internal successors, (541), 3 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:10,728 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:45:10,728 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:10,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:45:10,729 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2022-11-02 20:45:10,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:10,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1490290869, now seen corresponding path program 1 times [2022-11-02 20:45:10,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:10,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133048135] [2022-11-02 20:45:10,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:10,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:10,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:45:10,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:10,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133048135] [2022-11-02 20:45:10,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133048135] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:45:10,786 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:45:10,786 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:45:10,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70268425] [2022-11-02 20:45:10,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:45:10,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:45:10,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:45:10,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:45:10,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:45:10,790 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 239 [2022-11-02 20:45:10,791 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 181 transitions, 372 flow. Second operand has 3 states, 3 states have (on average 180.33333333333334) internal successors, (541), 3 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:10,791 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:45:10,791 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 239 [2022-11-02 20:45:10,792 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:45:11,001 INFO L130 PetriNetUnfolder]: 317/790 cut-off events. [2022-11-02 20:45:11,002 INFO L131 PetriNetUnfolder]: For 31/160 co-relation queries the response was YES. [2022-11-02 20:45:11,004 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1368 conditions, 790 events. 317/790 cut-off events. For 31/160 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 3411 event pairs, 314 based on Foata normal form. 0/737 useless extension candidates. Maximal degree in co-relation 1333. Up to 535 conditions per place. [2022-11-02 20:45:11,009 INFO L137 encePairwiseOnDemand]: 236/239 looper letters, 22 selfloop transitions, 2 changer transitions 0/180 dead transitions. [2022-11-02 20:45:11,009 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 180 transitions, 418 flow [2022-11-02 20:45:11,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:45:11,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:45:11,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 562 transitions. [2022-11-02 20:45:11,012 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7838214783821479 [2022-11-02 20:45:11,012 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 562 transitions. [2022-11-02 20:45:11,012 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 562 transitions. [2022-11-02 20:45:11,013 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:45:11,014 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 562 transitions. [2022-11-02 20:45:11,015 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:11,019 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:11,020 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:11,020 INFO L175 Difference]: Start difference. First operand has 185 places, 181 transitions, 372 flow. Second operand 3 states and 562 transitions. [2022-11-02 20:45:11,021 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 180 transitions, 418 flow [2022-11-02 20:45:11,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 180 transitions, 414 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:45:11,028 INFO L231 Difference]: Finished difference. Result has 183 places, 180 transitions, 370 flow [2022-11-02 20:45:11,029 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=366, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=370, PETRI_PLACES=183, PETRI_TRANSITIONS=180} [2022-11-02 20:45:11,030 INFO L287 CegarLoopForPetriNet]: 222 programPoint places, -39 predicate places. [2022-11-02 20:45:11,031 INFO L495 AbstractCegarLoop]: Abstraction has has 183 places, 180 transitions, 370 flow [2022-11-02 20:45:11,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 180.33333333333334) internal successors, (541), 3 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:11,031 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:45:11,032 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:11,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:45:11,032 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2022-11-02 20:45:11,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:11,034 INFO L85 PathProgramCache]: Analyzing trace with hash 424428157, now seen corresponding path program 1 times [2022-11-02 20:45:11,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:11,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970788990] [2022-11-02 20:45:11,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:11,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:11,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:11,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:45:11,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:11,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970788990] [2022-11-02 20:45:11,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970788990] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:45:11,099 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:45:11,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:45:11,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845084701] [2022-11-02 20:45:11,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:45:11,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:45:11,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:45:11,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:45:11,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:45:11,102 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 239 [2022-11-02 20:45:11,102 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 180 transitions, 370 flow. Second operand has 3 states, 3 states have (on average 180.33333333333334) internal successors, (541), 3 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:11,103 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:45:11,103 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 239 [2022-11-02 20:45:11,103 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:45:11,342 INFO L130 PetriNetUnfolder]: 317/789 cut-off events. [2022-11-02 20:45:11,342 INFO L131 PetriNetUnfolder]: For 31/160 co-relation queries the response was YES. [2022-11-02 20:45:11,345 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1367 conditions, 789 events. 317/789 cut-off events. For 31/160 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 3407 event pairs, 314 based on Foata normal form. 0/737 useless extension candidates. Maximal degree in co-relation 1325. Up to 535 conditions per place. [2022-11-02 20:45:11,350 INFO L137 encePairwiseOnDemand]: 236/239 looper letters, 22 selfloop transitions, 2 changer transitions 0/179 dead transitions. [2022-11-02 20:45:11,350 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 179 transitions, 416 flow [2022-11-02 20:45:11,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:45:11,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:45:11,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 562 transitions. [2022-11-02 20:45:11,354 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7838214783821479 [2022-11-02 20:45:11,354 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 562 transitions. [2022-11-02 20:45:11,354 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 562 transitions. [2022-11-02 20:45:11,355 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:45:11,355 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 562 transitions. [2022-11-02 20:45:11,357 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:11,358 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:11,359 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:11,359 INFO L175 Difference]: Start difference. First operand has 183 places, 180 transitions, 370 flow. Second operand 3 states and 562 transitions. [2022-11-02 20:45:11,359 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 179 transitions, 416 flow [2022-11-02 20:45:11,362 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 179 transitions, 412 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:45:11,366 INFO L231 Difference]: Finished difference. Result has 182 places, 179 transitions, 368 flow [2022-11-02 20:45:11,367 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=364, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=368, PETRI_PLACES=182, PETRI_TRANSITIONS=179} [2022-11-02 20:45:11,370 INFO L287 CegarLoopForPetriNet]: 222 programPoint places, -40 predicate places. [2022-11-02 20:45:11,370 INFO L495 AbstractCegarLoop]: Abstraction has has 182 places, 179 transitions, 368 flow [2022-11-02 20:45:11,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 180.33333333333334) internal successors, (541), 3 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:11,371 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:45:11,371 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:11,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:45:11,371 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2022-11-02 20:45:11,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:11,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1456743714, now seen corresponding path program 1 times [2022-11-02 20:45:11,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:11,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975160196] [2022-11-02 20:45:11,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:11,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:11,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:45:11,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:11,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975160196] [2022-11-02 20:45:11,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975160196] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:45:11,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:45:11,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:45:11,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400180641] [2022-11-02 20:45:11,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:45:11,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:45:11,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:45:11,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:45:11,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:45:11,450 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 239 [2022-11-02 20:45:11,451 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 179 transitions, 368 flow. Second operand has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:11,452 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:45:11,452 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 239 [2022-11-02 20:45:11,452 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:45:11,658 INFO L130 PetriNetUnfolder]: 317/788 cut-off events. [2022-11-02 20:45:11,658 INFO L131 PetriNetUnfolder]: For 31/160 co-relation queries the response was YES. [2022-11-02 20:45:11,660 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1375 conditions, 788 events. 317/788 cut-off events. For 31/160 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 3404 event pairs, 314 based on Foata normal form. 0/737 useless extension candidates. Maximal degree in co-relation 1326. Up to 544 conditions per place. [2022-11-02 20:45:11,665 INFO L137 encePairwiseOnDemand]: 236/239 looper letters, 31 selfloop transitions, 2 changer transitions 0/178 dead transitions. [2022-11-02 20:45:11,665 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 178 transitions, 432 flow [2022-11-02 20:45:11,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:45:11,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:45:11,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 544 transitions. [2022-11-02 20:45:11,667 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7587168758716876 [2022-11-02 20:45:11,667 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 544 transitions. [2022-11-02 20:45:11,667 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 544 transitions. [2022-11-02 20:45:11,668 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:45:11,668 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 544 transitions. [2022-11-02 20:45:11,670 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:11,671 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:11,672 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:11,672 INFO L175 Difference]: Start difference. First operand has 182 places, 179 transitions, 368 flow. Second operand 3 states and 544 transitions. [2022-11-02 20:45:11,672 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 178 transitions, 432 flow [2022-11-02 20:45:11,674 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 178 transitions, 428 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:45:11,676 INFO L231 Difference]: Finished difference. Result has 181 places, 178 transitions, 366 flow [2022-11-02 20:45:11,677 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=362, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=178, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=366, PETRI_PLACES=181, PETRI_TRANSITIONS=178} [2022-11-02 20:45:11,678 INFO L287 CegarLoopForPetriNet]: 222 programPoint places, -41 predicate places. [2022-11-02 20:45:11,678 INFO L495 AbstractCegarLoop]: Abstraction has has 181 places, 178 transitions, 366 flow [2022-11-02 20:45:11,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:11,679 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:45:11,679 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:11,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:45:11,679 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2022-11-02 20:45:11,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:11,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1122133481, now seen corresponding path program 1 times [2022-11-02 20:45:11,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:11,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735375488] [2022-11-02 20:45:11,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:11,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:11,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:11,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:45:11,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:11,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735375488] [2022-11-02 20:45:11,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735375488] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:45:11,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:45:11,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:45:11,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256926818] [2022-11-02 20:45:11,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:45:11,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:45:11,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:45:11,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:45:11,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:45:11,732 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 239 [2022-11-02 20:45:11,733 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 178 transitions, 366 flow. Second operand has 3 states, 3 states have (on average 177.33333333333334) internal successors, (532), 3 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:11,733 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:45:11,733 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 239 [2022-11-02 20:45:11,734 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:45:11,924 INFO L130 PetriNetUnfolder]: 317/787 cut-off events. [2022-11-02 20:45:11,924 INFO L131 PetriNetUnfolder]: For 31/160 co-relation queries the response was YES. [2022-11-02 20:45:11,926 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1368 conditions, 787 events. 317/787 cut-off events. For 31/160 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 3414 event pairs, 314 based on Foata normal form. 0/737 useless extension candidates. Maximal degree in co-relation 1312. Up to 538 conditions per place. [2022-11-02 20:45:11,931 INFO L137 encePairwiseOnDemand]: 236/239 looper letters, 25 selfloop transitions, 2 changer transitions 0/177 dead transitions. [2022-11-02 20:45:11,931 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 177 transitions, 418 flow [2022-11-02 20:45:11,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:45:11,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:45:11,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 556 transitions. [2022-11-02 20:45:11,934 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7754532775453278 [2022-11-02 20:45:11,934 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 556 transitions. [2022-11-02 20:45:11,934 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 556 transitions. [2022-11-02 20:45:11,935 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:45:11,935 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 556 transitions. [2022-11-02 20:45:11,936 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 185.33333333333334) internal successors, (556), 3 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:11,938 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:11,939 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:11,939 INFO L175 Difference]: Start difference. First operand has 181 places, 178 transitions, 366 flow. Second operand 3 states and 556 transitions. [2022-11-02 20:45:11,939 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 177 transitions, 418 flow [2022-11-02 20:45:11,940 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 177 transitions, 414 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:45:11,943 INFO L231 Difference]: Finished difference. Result has 180 places, 177 transitions, 364 flow [2022-11-02 20:45:11,943 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=360, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=177, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=364, PETRI_PLACES=180, PETRI_TRANSITIONS=177} [2022-11-02 20:45:11,944 INFO L287 CegarLoopForPetriNet]: 222 programPoint places, -42 predicate places. [2022-11-02 20:45:11,944 INFO L495 AbstractCegarLoop]: Abstraction has has 180 places, 177 transitions, 364 flow [2022-11-02 20:45:11,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 177.33333333333334) internal successors, (532), 3 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:11,945 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:45:11,946 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:11,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:45:11,946 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2022-11-02 20:45:11,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:11,947 INFO L85 PathProgramCache]: Analyzing trace with hash 968386865, now seen corresponding path program 1 times [2022-11-02 20:45:11,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:11,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969980622] [2022-11-02 20:45:11,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:11,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:11,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:12,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:45:12,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:12,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969980622] [2022-11-02 20:45:12,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969980622] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:45:12,062 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:45:12,062 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:45:12,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14247420] [2022-11-02 20:45:12,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:45:12,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:45:12,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:45:12,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:45:12,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:45:12,068 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 239 [2022-11-02 20:45:12,069 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 177 transitions, 364 flow. Second operand has 3 states, 3 states have (on average 177.33333333333334) internal successors, (532), 3 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:12,069 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:45:12,069 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 239 [2022-11-02 20:45:12,069 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:45:12,283 INFO L130 PetriNetUnfolder]: 317/786 cut-off events. [2022-11-02 20:45:12,283 INFO L131 PetriNetUnfolder]: For 31/160 co-relation queries the response was YES. [2022-11-02 20:45:12,286 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1367 conditions, 786 events. 317/786 cut-off events. For 31/160 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 3404 event pairs, 314 based on Foata normal form. 0/737 useless extension candidates. Maximal degree in co-relation 1304. Up to 538 conditions per place. [2022-11-02 20:45:12,290 INFO L137 encePairwiseOnDemand]: 236/239 looper letters, 25 selfloop transitions, 2 changer transitions 0/176 dead transitions. [2022-11-02 20:45:12,291 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 176 transitions, 416 flow [2022-11-02 20:45:12,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:45:12,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:45:12,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 556 transitions. [2022-11-02 20:45:12,293 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7754532775453278 [2022-11-02 20:45:12,293 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 556 transitions. [2022-11-02 20:45:12,293 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 556 transitions. [2022-11-02 20:45:12,294 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:45:12,294 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 556 transitions. [2022-11-02 20:45:12,295 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 185.33333333333334) internal successors, (556), 3 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:12,297 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:12,298 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:12,298 INFO L175 Difference]: Start difference. First operand has 180 places, 177 transitions, 364 flow. Second operand 3 states and 556 transitions. [2022-11-02 20:45:12,298 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 176 transitions, 416 flow [2022-11-02 20:45:12,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 176 transitions, 412 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:45:12,302 INFO L231 Difference]: Finished difference. Result has 179 places, 176 transitions, 362 flow [2022-11-02 20:45:12,303 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=358, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=174, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=362, PETRI_PLACES=179, PETRI_TRANSITIONS=176} [2022-11-02 20:45:12,305 INFO L287 CegarLoopForPetriNet]: 222 programPoint places, -43 predicate places. [2022-11-02 20:45:12,306 INFO L495 AbstractCegarLoop]: Abstraction has has 179 places, 176 transitions, 362 flow [2022-11-02 20:45:12,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 177.33333333333334) internal successors, (532), 3 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:12,307 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:45:12,307 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:12,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 20:45:12,307 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2022-11-02 20:45:12,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:12,308 INFO L85 PathProgramCache]: Analyzing trace with hash 145722376, now seen corresponding path program 1 times [2022-11-02 20:45:12,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:12,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103685197] [2022-11-02 20:45:12,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:12,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:12,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:12,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:45:12,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:12,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103685197] [2022-11-02 20:45:12,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103685197] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:45:12,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:45:12,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:45:12,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257908513] [2022-11-02 20:45:12,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:45:12,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:45:12,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:45:12,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:45:12,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:45:12,357 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 239 [2022-11-02 20:45:12,358 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 176 transitions, 362 flow. Second operand has 3 states, 3 states have (on average 174.33333333333334) internal successors, (523), 3 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:12,358 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:45:12,358 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 239 [2022-11-02 20:45:12,359 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:45:12,553 INFO L130 PetriNetUnfolder]: 317/785 cut-off events. [2022-11-02 20:45:12,553 INFO L131 PetriNetUnfolder]: For 31/160 co-relation queries the response was YES. [2022-11-02 20:45:12,555 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1368 conditions, 785 events. 317/785 cut-off events. For 31/160 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 3394 event pairs, 314 based on Foata normal form. 0/737 useless extension candidates. Maximal degree in co-relation 1298. Up to 540 conditions per place. [2022-11-02 20:45:12,559 INFO L137 encePairwiseOnDemand]: 236/239 looper letters, 27 selfloop transitions, 2 changer transitions 0/175 dead transitions. [2022-11-02 20:45:12,559 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 175 transitions, 418 flow [2022-11-02 20:45:12,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:45:12,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:45:12,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 549 transitions. [2022-11-02 20:45:12,561 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7656903765690377 [2022-11-02 20:45:12,561 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 549 transitions. [2022-11-02 20:45:12,562 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 549 transitions. [2022-11-02 20:45:12,562 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:45:12,562 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 549 transitions. [2022-11-02 20:45:12,564 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 183.0) internal successors, (549), 3 states have internal predecessors, (549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:12,565 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:12,566 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:12,566 INFO L175 Difference]: Start difference. First operand has 179 places, 176 transitions, 362 flow. Second operand 3 states and 549 transitions. [2022-11-02 20:45:12,566 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 175 transitions, 418 flow [2022-11-02 20:45:12,568 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 175 transitions, 414 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:45:12,570 INFO L231 Difference]: Finished difference. Result has 178 places, 175 transitions, 360 flow [2022-11-02 20:45:12,571 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=356, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=175, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=360, PETRI_PLACES=178, PETRI_TRANSITIONS=175} [2022-11-02 20:45:12,571 INFO L287 CegarLoopForPetriNet]: 222 programPoint places, -44 predicate places. [2022-11-02 20:45:12,572 INFO L495 AbstractCegarLoop]: Abstraction has has 178 places, 175 transitions, 360 flow [2022-11-02 20:45:12,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 174.33333333333334) internal successors, (523), 3 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:12,572 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:45:12,572 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:12,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-02 20:45:12,573 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2022-11-02 20:45:12,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:12,574 INFO L85 PathProgramCache]: Analyzing trace with hash -808228201, now seen corresponding path program 1 times [2022-11-02 20:45:12,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:12,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736477754] [2022-11-02 20:45:12,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:12,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:12,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:12,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:45:12,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:12,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736477754] [2022-11-02 20:45:12,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736477754] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:45:12,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:45:12,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:45:12,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141464528] [2022-11-02 20:45:12,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:45:12,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:45:12,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:45:12,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:45:12,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:45:12,620 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 239 [2022-11-02 20:45:12,621 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 175 transitions, 360 flow. Second operand has 3 states, 3 states have (on average 174.33333333333334) internal successors, (523), 3 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:12,621 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:45:12,621 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 239 [2022-11-02 20:45:12,621 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:45:12,867 INFO L130 PetriNetUnfolder]: 396/1245 cut-off events. [2022-11-02 20:45:12,867 INFO L131 PetriNetUnfolder]: For 49/474 co-relation queries the response was YES. [2022-11-02 20:45:12,870 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1984 conditions, 1245 events. 396/1245 cut-off events. For 49/474 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 7318 event pairs, 201 based on Foata normal form. 1/1172 useless extension candidates. Maximal degree in co-relation 1907. Up to 404 conditions per place. [2022-11-02 20:45:12,877 INFO L137 encePairwiseOnDemand]: 229/239 looper letters, 37 selfloop transitions, 7 changer transitions 0/189 dead transitions. [2022-11-02 20:45:12,877 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 189 transitions, 480 flow [2022-11-02 20:45:12,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:45:12,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:45:12,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 566 transitions. [2022-11-02 20:45:12,879 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7894002789400278 [2022-11-02 20:45:12,879 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 566 transitions. [2022-11-02 20:45:12,880 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 566 transitions. [2022-11-02 20:45:12,880 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:45:12,880 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 566 transitions. [2022-11-02 20:45:12,882 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 188.66666666666666) internal successors, (566), 3 states have internal predecessors, (566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:12,883 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:12,884 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:12,884 INFO L175 Difference]: Start difference. First operand has 178 places, 175 transitions, 360 flow. Second operand 3 states and 566 transitions. [2022-11-02 20:45:12,884 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 177 places, 189 transitions, 480 flow [2022-11-02 20:45:12,886 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 189 transitions, 476 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:45:12,888 INFO L231 Difference]: Finished difference. Result has 177 places, 178 transitions, 402 flow [2022-11-02 20:45:12,889 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=350, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=172, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=402, PETRI_PLACES=177, PETRI_TRANSITIONS=178} [2022-11-02 20:45:12,890 INFO L287 CegarLoopForPetriNet]: 222 programPoint places, -45 predicate places. [2022-11-02 20:45:12,890 INFO L495 AbstractCegarLoop]: Abstraction has has 177 places, 178 transitions, 402 flow [2022-11-02 20:45:12,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 174.33333333333334) internal successors, (523), 3 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:12,890 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:45:12,891 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:12,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-02 20:45:12,891 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2022-11-02 20:45:12,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:12,892 INFO L85 PathProgramCache]: Analyzing trace with hash 681800677, now seen corresponding path program 1 times [2022-11-02 20:45:12,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:12,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700270367] [2022-11-02 20:45:12,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:12,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:12,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:12,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:45:12,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:12,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700270367] [2022-11-02 20:45:12,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700270367] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:45:12,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:45:12,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:45:12,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926084798] [2022-11-02 20:45:12,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:45:12,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:45:12,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:45:12,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:45:12,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:45:12,935 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 239 [2022-11-02 20:45:12,936 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 178 transitions, 402 flow. Second operand has 3 states, 3 states have (on average 180.33333333333334) internal successors, (541), 3 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:12,936 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:45:12,937 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 239 [2022-11-02 20:45:12,937 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:45:13,133 INFO L130 PetriNetUnfolder]: 396/1043 cut-off events. [2022-11-02 20:45:13,133 INFO L131 PetriNetUnfolder]: For 297/698 co-relation queries the response was YES. [2022-11-02 20:45:13,136 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2205 conditions, 1043 events. 396/1043 cut-off events. For 297/698 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 5376 event pairs, 279 based on Foata normal form. 0/974 useless extension candidates. Maximal degree in co-relation 1151. Up to 684 conditions per place. [2022-11-02 20:45:13,142 INFO L137 encePairwiseOnDemand]: 234/239 looper letters, 30 selfloop transitions, 4 changer transitions 0/182 dead transitions. [2022-11-02 20:45:13,142 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 182 transitions, 480 flow [2022-11-02 20:45:13,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:45:13,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:45:13,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 566 transitions. [2022-11-02 20:45:13,145 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7894002789400278 [2022-11-02 20:45:13,145 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 566 transitions. [2022-11-02 20:45:13,145 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 566 transitions. [2022-11-02 20:45:13,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:45:13,146 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 566 transitions. [2022-11-02 20:45:13,147 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 188.66666666666666) internal successors, (566), 3 states have internal predecessors, (566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:13,148 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:13,149 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:13,149 INFO L175 Difference]: Start difference. First operand has 177 places, 178 transitions, 402 flow. Second operand 3 states and 566 transitions. [2022-11-02 20:45:13,149 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 182 transitions, 480 flow [2022-11-02 20:45:13,153 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 182 transitions, 466 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:45:13,156 INFO L231 Difference]: Finished difference. Result has 177 places, 180 transitions, 410 flow [2022-11-02 20:45:13,156 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=386, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=177, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=410, PETRI_PLACES=177, PETRI_TRANSITIONS=180} [2022-11-02 20:45:13,157 INFO L287 CegarLoopForPetriNet]: 222 programPoint places, -45 predicate places. [2022-11-02 20:45:13,157 INFO L495 AbstractCegarLoop]: Abstraction has has 177 places, 180 transitions, 410 flow [2022-11-02 20:45:13,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 180.33333333333334) internal successors, (541), 3 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:13,158 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:45:13,158 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:13,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-02 20:45:13,159 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2022-11-02 20:45:13,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:13,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1774312942, now seen corresponding path program 1 times [2022-11-02 20:45:13,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:13,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568140448] [2022-11-02 20:45:13,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:13,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:13,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:13,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:45:13,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:13,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568140448] [2022-11-02 20:45:13,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568140448] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:45:13,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:45:13,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:45:13,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001631657] [2022-11-02 20:45:13,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:45:13,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:45:13,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:45:13,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:45:13,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:45:13,207 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 239 [2022-11-02 20:45:13,207 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 180 transitions, 410 flow. Second operand has 3 states, 3 states have (on average 180.33333333333334) internal successors, (541), 3 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:13,208 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:45:13,208 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 239 [2022-11-02 20:45:13,208 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:45:13,492 INFO L130 PetriNetUnfolder]: 565/1390 cut-off events. [2022-11-02 20:45:13,492 INFO L131 PetriNetUnfolder]: For 300/445 co-relation queries the response was YES. [2022-11-02 20:45:13,497 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3019 conditions, 1390 events. 565/1390 cut-off events. For 300/445 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 7684 event pairs, 358 based on Foata normal form. 0/1314 useless extension candidates. Maximal degree in co-relation 1509. Up to 728 conditions per place. [2022-11-02 20:45:13,505 INFO L137 encePairwiseOnDemand]: 236/239 looper letters, 52 selfloop transitions, 2 changer transitions 0/201 dead transitions. [2022-11-02 20:45:13,505 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 201 transitions, 598 flow [2022-11-02 20:45:13,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:45:13,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:45:13,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 575 transitions. [2022-11-02 20:45:13,507 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8019525801952581 [2022-11-02 20:45:13,508 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 575 transitions. [2022-11-02 20:45:13,508 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 575 transitions. [2022-11-02 20:45:13,508 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:45:13,508 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 575 transitions. [2022-11-02 20:45:13,510 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 191.66666666666666) internal successors, (575), 3 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:13,511 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:13,512 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:13,512 INFO L175 Difference]: Start difference. First operand has 177 places, 180 transitions, 410 flow. Second operand 3 states and 575 transitions. [2022-11-02 20:45:13,512 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 201 transitions, 598 flow [2022-11-02 20:45:13,514 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 201 transitions, 591 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 20:45:13,517 INFO L231 Difference]: Finished difference. Result has 178 places, 180 transitions, 414 flow [2022-11-02 20:45:13,518 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=404, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=414, PETRI_PLACES=178, PETRI_TRANSITIONS=180} [2022-11-02 20:45:13,518 INFO L287 CegarLoopForPetriNet]: 222 programPoint places, -44 predicate places. [2022-11-02 20:45:13,518 INFO L495 AbstractCegarLoop]: Abstraction has has 178 places, 180 transitions, 414 flow [2022-11-02 20:45:13,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 180.33333333333334) internal successors, (541), 3 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:13,519 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:45:13,519 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:13,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-02 20:45:13,520 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2022-11-02 20:45:13,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:13,520 INFO L85 PathProgramCache]: Analyzing trace with hash 2067784083, now seen corresponding path program 1 times [2022-11-02 20:45:13,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:13,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43421157] [2022-11-02 20:45:13,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:13,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:13,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:13,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:45:13,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:13,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43421157] [2022-11-02 20:45:13,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43421157] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:45:13,559 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:45:13,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:45:13,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302201444] [2022-11-02 20:45:13,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:45:13,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:45:13,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:45:13,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:45:13,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:45:13,562 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 239 [2022-11-02 20:45:13,563 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 180 transitions, 414 flow. Second operand has 3 states, 3 states have (on average 177.33333333333334) internal successors, (532), 3 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:13,563 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:45:13,563 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 239 [2022-11-02 20:45:13,563 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:45:13,932 INFO L130 PetriNetUnfolder]: 811/1890 cut-off events. [2022-11-02 20:45:13,932 INFO L131 PetriNetUnfolder]: For 483/677 co-relation queries the response was YES. [2022-11-02 20:45:13,938 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4309 conditions, 1890 events. 811/1890 cut-off events. For 483/677 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 11122 event pairs, 483 based on Foata normal form. 1/1774 useless extension candidates. Maximal degree in co-relation 2999. Up to 1048 conditions per place. [2022-11-02 20:45:13,950 INFO L137 encePairwiseOnDemand]: 233/239 looper letters, 50 selfloop transitions, 3 changer transitions 3/199 dead transitions. [2022-11-02 20:45:13,950 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 199 transitions, 595 flow [2022-11-02 20:45:13,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:45:13,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:45:13,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 569 transitions. [2022-11-02 20:45:13,952 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.793584379358438 [2022-11-02 20:45:13,952 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 569 transitions. [2022-11-02 20:45:13,952 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 569 transitions. [2022-11-02 20:45:13,953 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:45:13,953 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 569 transitions. [2022-11-02 20:45:13,954 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 189.66666666666666) internal successors, (569), 3 states have internal predecessors, (569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:13,956 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:13,956 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:13,957 INFO L175 Difference]: Start difference. First operand has 178 places, 180 transitions, 414 flow. Second operand 3 states and 569 transitions. [2022-11-02 20:45:13,957 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 199 transitions, 595 flow [2022-11-02 20:45:13,959 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 199 transitions, 592 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 20:45:13,961 INFO L231 Difference]: Finished difference. Result has 178 places, 177 transitions, 418 flow [2022-11-02 20:45:13,962 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=408, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=178, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=418, PETRI_PLACES=178, PETRI_TRANSITIONS=177} [2022-11-02 20:45:13,962 INFO L287 CegarLoopForPetriNet]: 222 programPoint places, -44 predicate places. [2022-11-02 20:45:13,962 INFO L495 AbstractCegarLoop]: Abstraction has has 178 places, 177 transitions, 418 flow [2022-11-02 20:45:13,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 177.33333333333334) internal successors, (532), 3 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:13,963 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:45:13,963 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:13,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-02 20:45:13,964 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2022-11-02 20:45:13,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:13,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1379626237, now seen corresponding path program 1 times [2022-11-02 20:45:13,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:13,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616482347] [2022-11-02 20:45:13,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:13,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:13,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:14,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:45:14,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:14,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616482347] [2022-11-02 20:45:14,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616482347] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:45:14,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:45:14,514 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:45:14,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937525890] [2022-11-02 20:45:14,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:45:14,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:45:14,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:45:14,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:45:14,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:45:14,517 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 239 [2022-11-02 20:45:14,518 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 177 transitions, 418 flow. Second operand has 6 states, 6 states have (on average 163.0) internal successors, (978), 6 states have internal predecessors, (978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:14,518 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:45:14,519 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 239 [2022-11-02 20:45:14,519 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:45:16,571 INFO L130 PetriNetUnfolder]: 7015/10853 cut-off events. [2022-11-02 20:45:16,571 INFO L131 PetriNetUnfolder]: For 6034/6034 co-relation queries the response was YES. [2022-11-02 20:45:16,597 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28759 conditions, 10853 events. 7015/10853 cut-off events. For 6034/6034 co-relation queries the response was YES. Maximal size of possible extension queue 376. Compared 60854 event pairs, 1083 based on Foata normal form. 0/10686 useless extension candidates. Maximal degree in co-relation 20956. Up to 3770 conditions per place. [2022-11-02 20:45:16,650 INFO L137 encePairwiseOnDemand]: 234/239 looper letters, 146 selfloop transitions, 4 changer transitions 1/276 dead transitions. [2022-11-02 20:45:16,650 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 276 transitions, 1118 flow [2022-11-02 20:45:16,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:45:16,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 20:45:16,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1058 transitions. [2022-11-02 20:45:16,654 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7377963737796374 [2022-11-02 20:45:16,654 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1058 transitions. [2022-11-02 20:45:16,654 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1058 transitions. [2022-11-02 20:45:16,655 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:45:16,655 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1058 transitions. [2022-11-02 20:45:16,657 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 176.33333333333334) internal successors, (1058), 6 states have internal predecessors, (1058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:16,660 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 239.0) internal successors, (1673), 7 states have internal predecessors, (1673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:16,661 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 239.0) internal successors, (1673), 7 states have internal predecessors, (1673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:16,661 INFO L175 Difference]: Start difference. First operand has 178 places, 177 transitions, 418 flow. Second operand 6 states and 1058 transitions. [2022-11-02 20:45:16,661 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 179 places, 276 transitions, 1118 flow [2022-11-02 20:45:16,665 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 276 transitions, 1107 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 20:45:16,668 INFO L231 Difference]: Finished difference. Result has 178 places, 175 transitions, 419 flow [2022-11-02 20:45:16,668 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=413, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=172, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=419, PETRI_PLACES=178, PETRI_TRANSITIONS=175} [2022-11-02 20:45:16,669 INFO L287 CegarLoopForPetriNet]: 222 programPoint places, -44 predicate places. [2022-11-02 20:45:16,669 INFO L495 AbstractCegarLoop]: Abstraction has has 178 places, 175 transitions, 419 flow [2022-11-02 20:45:16,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 163.0) internal successors, (978), 6 states have internal predecessors, (978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:16,670 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:45:16,670 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:16,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-02 20:45:16,670 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2022-11-02 20:45:16,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:16,671 INFO L85 PathProgramCache]: Analyzing trace with hash -910139730, now seen corresponding path program 1 times [2022-11-02 20:45:16,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:16,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835442878] [2022-11-02 20:45:16,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:16,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:16,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:17,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:45:17,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:17,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835442878] [2022-11-02 20:45:17,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835442878] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:45:17,273 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:45:17,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:45:17,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375861754] [2022-11-02 20:45:17,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:45:17,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:45:17,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:45:17,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:45:17,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:45:17,275 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 239 [2022-11-02 20:45:17,277 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 175 transitions, 419 flow. Second operand has 6 states, 6 states have (on average 164.83333333333334) internal successors, (989), 6 states have internal predecessors, (989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:17,277 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:45:17,277 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 239 [2022-11-02 20:45:17,277 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:45:19,275 INFO L130 PetriNetUnfolder]: 6093/9692 cut-off events. [2022-11-02 20:45:19,275 INFO L131 PetriNetUnfolder]: For 5905/5905 co-relation queries the response was YES. [2022-11-02 20:45:19,297 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26425 conditions, 9692 events. 6093/9692 cut-off events. For 5905/5905 co-relation queries the response was YES. Maximal size of possible extension queue 365. Compared 55450 event pairs, 3919 based on Foata normal form. 0/9479 useless extension candidates. Maximal degree in co-relation 7631. Up to 8077 conditions per place. [2022-11-02 20:45:19,339 INFO L137 encePairwiseOnDemand]: 234/239 looper letters, 101 selfloop transitions, 4 changer transitions 0/230 dead transitions. [2022-11-02 20:45:19,339 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 230 transitions, 851 flow [2022-11-02 20:45:19,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:45:19,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 20:45:19,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1036 transitions. [2022-11-02 20:45:19,343 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7224546722454672 [2022-11-02 20:45:19,343 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1036 transitions. [2022-11-02 20:45:19,343 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1036 transitions. [2022-11-02 20:45:19,344 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:45:19,344 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1036 transitions. [2022-11-02 20:45:19,346 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 172.66666666666666) internal successors, (1036), 6 states have internal predecessors, (1036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:19,349 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 239.0) internal successors, (1673), 7 states have internal predecessors, (1673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:19,352 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 239.0) internal successors, (1673), 7 states have internal predecessors, (1673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:19,352 INFO L175 Difference]: Start difference. First operand has 178 places, 175 transitions, 419 flow. Second operand 6 states and 1036 transitions. [2022-11-02 20:45:19,352 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 230 transitions, 851 flow [2022-11-02 20:45:19,362 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 230 transitions, 844 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-02 20:45:19,365 INFO L231 Difference]: Finished difference. Result has 177 places, 174 transitions, 418 flow [2022-11-02 20:45:19,365 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=174, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=418, PETRI_PLACES=177, PETRI_TRANSITIONS=174} [2022-11-02 20:45:19,366 INFO L287 CegarLoopForPetriNet]: 222 programPoint places, -45 predicate places. [2022-11-02 20:45:19,367 INFO L495 AbstractCegarLoop]: Abstraction has has 177 places, 174 transitions, 418 flow [2022-11-02 20:45:19,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 164.83333333333334) internal successors, (989), 6 states have internal predecessors, (989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:19,367 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:45:19,368 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:19,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-02 20:45:19,368 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2022-11-02 20:45:19,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:19,369 INFO L85 PathProgramCache]: Analyzing trace with hash 2046790126, now seen corresponding path program 1 times [2022-11-02 20:45:19,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:19,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008498493] [2022-11-02 20:45:19,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:19,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:19,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:19,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:45:19,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:19,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008498493] [2022-11-02 20:45:19,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008498493] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:45:19,980 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:45:19,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:45:19,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599466367] [2022-11-02 20:45:19,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:45:19,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:45:19,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:45:19,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:45:19,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:45:19,983 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 239 [2022-11-02 20:45:19,984 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 174 transitions, 418 flow. Second operand has 6 states, 6 states have (on average 166.5) internal successors, (999), 6 states have internal predecessors, (999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:19,984 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:45:19,984 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 239 [2022-11-02 20:45:19,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:45:21,891 INFO L130 PetriNetUnfolder]: 6115/9855 cut-off events. [2022-11-02 20:45:21,891 INFO L131 PetriNetUnfolder]: For 5197/5197 co-relation queries the response was YES. [2022-11-02 20:45:21,914 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25714 conditions, 9855 events. 6115/9855 cut-off events. For 5197/5197 co-relation queries the response was YES. Maximal size of possible extension queue 365. Compared 57680 event pairs, 4283 based on Foata normal form. 7/9633 useless extension candidates. Maximal degree in co-relation 23298. Up to 8886 conditions per place. [2022-11-02 20:45:21,921 INFO L137 encePairwiseOnDemand]: 234/239 looper letters, 0 selfloop transitions, 0 changer transitions 193/193 dead transitions. [2022-11-02 20:45:21,922 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 193 transitions, 632 flow [2022-11-02 20:45:21,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:45:21,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 20:45:21,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1019 transitions. [2022-11-02 20:45:21,924 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7105997210599722 [2022-11-02 20:45:21,925 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1019 transitions. [2022-11-02 20:45:21,925 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1019 transitions. [2022-11-02 20:45:21,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:45:21,926 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1019 transitions. [2022-11-02 20:45:21,928 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 169.83333333333334) internal successors, (1019), 6 states have internal predecessors, (1019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:21,930 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 239.0) internal successors, (1673), 7 states have internal predecessors, (1673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:21,931 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 239.0) internal successors, (1673), 7 states have internal predecessors, (1673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:21,931 INFO L175 Difference]: Start difference. First operand has 177 places, 174 transitions, 418 flow. Second operand 6 states and 1019 transitions. [2022-11-02 20:45:21,931 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 193 transitions, 632 flow [2022-11-02 20:45:21,936 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 193 transitions, 625 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-02 20:45:21,938 INFO L231 Difference]: Finished difference. Result has 177 places, 0 transitions, 0 flow [2022-11-02 20:45:21,938 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=409, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=173, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=177, PETRI_TRANSITIONS=0} [2022-11-02 20:45:21,939 INFO L287 CegarLoopForPetriNet]: 222 programPoint places, -45 predicate places. [2022-11-02 20:45:21,939 INFO L495 AbstractCegarLoop]: Abstraction has has 177 places, 0 transitions, 0 flow [2022-11-02 20:45:21,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 166.5) internal successors, (999), 6 states have internal predecessors, (999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:21,942 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (83 of 84 remaining) [2022-11-02 20:45:21,942 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (82 of 84 remaining) [2022-11-02 20:45:21,942 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (81 of 84 remaining) [2022-11-02 20:45:21,942 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (80 of 84 remaining) [2022-11-02 20:45:21,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (79 of 84 remaining) [2022-11-02 20:45:21,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (78 of 84 remaining) [2022-11-02 20:45:21,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (77 of 84 remaining) [2022-11-02 20:45:21,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (76 of 84 remaining) [2022-11-02 20:45:21,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (75 of 84 remaining) [2022-11-02 20:45:21,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (74 of 84 remaining) [2022-11-02 20:45:21,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (73 of 84 remaining) [2022-11-02 20:45:21,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (72 of 84 remaining) [2022-11-02 20:45:21,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (71 of 84 remaining) [2022-11-02 20:45:21,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (70 of 84 remaining) [2022-11-02 20:45:21,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (69 of 84 remaining) [2022-11-02 20:45:21,946 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (68 of 84 remaining) [2022-11-02 20:45:21,946 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (67 of 84 remaining) [2022-11-02 20:45:21,947 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (66 of 84 remaining) [2022-11-02 20:45:21,947 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (65 of 84 remaining) [2022-11-02 20:45:21,947 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (64 of 84 remaining) [2022-11-02 20:45:21,947 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (63 of 84 remaining) [2022-11-02 20:45:21,947 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (62 of 84 remaining) [2022-11-02 20:45:21,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (61 of 84 remaining) [2022-11-02 20:45:21,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (60 of 84 remaining) [2022-11-02 20:45:21,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (59 of 84 remaining) [2022-11-02 20:45:21,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (58 of 84 remaining) [2022-11-02 20:45:21,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (57 of 84 remaining) [2022-11-02 20:45:21,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (56 of 84 remaining) [2022-11-02 20:45:21,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (55 of 84 remaining) [2022-11-02 20:45:21,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (54 of 84 remaining) [2022-11-02 20:45:21,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (53 of 84 remaining) [2022-11-02 20:45:21,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (52 of 84 remaining) [2022-11-02 20:45:21,951 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (51 of 84 remaining) [2022-11-02 20:45:21,951 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (50 of 84 remaining) [2022-11-02 20:45:21,951 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (49 of 84 remaining) [2022-11-02 20:45:21,951 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (48 of 84 remaining) [2022-11-02 20:45:21,951 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (47 of 84 remaining) [2022-11-02 20:45:21,952 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (46 of 84 remaining) [2022-11-02 20:45:21,952 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (45 of 84 remaining) [2022-11-02 20:45:21,952 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (44 of 84 remaining) [2022-11-02 20:45:21,952 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (43 of 84 remaining) [2022-11-02 20:45:21,952 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (42 of 84 remaining) [2022-11-02 20:45:21,952 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (41 of 84 remaining) [2022-11-02 20:45:21,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (40 of 84 remaining) [2022-11-02 20:45:21,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (39 of 84 remaining) [2022-11-02 20:45:21,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (38 of 84 remaining) [2022-11-02 20:45:21,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (37 of 84 remaining) [2022-11-02 20:45:21,956 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (36 of 84 remaining) [2022-11-02 20:45:21,956 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (35 of 84 remaining) [2022-11-02 20:45:21,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 84 remaining) [2022-11-02 20:45:21,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 84 remaining) [2022-11-02 20:45:21,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 84 remaining) [2022-11-02 20:45:21,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (31 of 84 remaining) [2022-11-02 20:45:21,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (30 of 84 remaining) [2022-11-02 20:45:21,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (29 of 84 remaining) [2022-11-02 20:45:21,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (28 of 84 remaining) [2022-11-02 20:45:21,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (27 of 84 remaining) [2022-11-02 20:45:21,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (26 of 84 remaining) [2022-11-02 20:45:21,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (25 of 84 remaining) [2022-11-02 20:45:21,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (24 of 84 remaining) [2022-11-02 20:45:21,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (23 of 84 remaining) [2022-11-02 20:45:21,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (22 of 84 remaining) [2022-11-02 20:45:21,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (21 of 84 remaining) [2022-11-02 20:45:21,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (20 of 84 remaining) [2022-11-02 20:45:21,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (19 of 84 remaining) [2022-11-02 20:45:21,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (18 of 84 remaining) [2022-11-02 20:45:21,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (17 of 84 remaining) [2022-11-02 20:45:21,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (16 of 84 remaining) [2022-11-02 20:45:21,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (15 of 84 remaining) [2022-11-02 20:45:21,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (14 of 84 remaining) [2022-11-02 20:45:21,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (13 of 84 remaining) [2022-11-02 20:45:21,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (12 of 84 remaining) [2022-11-02 20:45:21,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (11 of 84 remaining) [2022-11-02 20:45:21,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (10 of 84 remaining) [2022-11-02 20:45:21,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (9 of 84 remaining) [2022-11-02 20:45:21,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (8 of 84 remaining) [2022-11-02 20:45:21,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (7 of 84 remaining) [2022-11-02 20:45:21,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (6 of 84 remaining) [2022-11-02 20:45:21,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (5 of 84 remaining) [2022-11-02 20:45:21,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (4 of 84 remaining) [2022-11-02 20:45:21,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (3 of 84 remaining) [2022-11-02 20:45:21,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (2 of 84 remaining) [2022-11-02 20:45:21,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (1 of 84 remaining) [2022-11-02 20:45:21,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (0 of 84 remaining) [2022-11-02 20:45:21,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-02 20:45:21,964 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:21,970 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-02 20:45:21,970 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:45:21,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:45:21 BasicIcfg [2022-11-02 20:45:21,977 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:45:21,978 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:45:21,978 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:45:21,978 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:45:21,978 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:45:09" (3/4) ... [2022-11-02 20:45:21,981 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 20:45:21,987 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-02 20:45:21,987 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-02 20:45:21,987 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-02 20:45:21,994 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-11-02 20:45:21,995 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-02 20:45:21,995 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-02 20:45:21,995 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:45:22,042 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff389f6c-576c-4726-a8d6-3f5e50c88827/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:45:22,042 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:45:22,043 INFO L158 Benchmark]: Toolchain (without parser) took 14036.78ms. Allocated memory was 119.5MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 78.2MB in the beginning and 1.6GB in the end (delta: -1.6GB). Peak memory consumption was 312.2MB. Max. memory is 16.1GB. [2022-11-02 20:45:22,043 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 119.5MB. Free memory is still 95.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:45:22,043 INFO L158 Benchmark]: CACSL2BoogieTranslator took 421.99ms. Allocated memory is still 119.5MB. Free memory was 78.1MB in the beginning and 93.1MB in the end (delta: -15.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 20:45:22,044 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.56ms. Allocated memory is still 119.5MB. Free memory was 93.1MB in the beginning and 90.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:45:22,044 INFO L158 Benchmark]: Boogie Preprocessor took 48.39ms. Allocated memory is still 119.5MB. Free memory was 90.6MB in the beginning and 88.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:45:22,045 INFO L158 Benchmark]: RCFGBuilder took 1065.61ms. Allocated memory is still 119.5MB. Free memory was 88.5MB in the beginning and 92.2MB in the end (delta: -3.6MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. [2022-11-02 20:45:22,045 INFO L158 Benchmark]: TraceAbstraction took 12385.90ms. Allocated memory was 119.5MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 91.5MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 561.7MB. Max. memory is 16.1GB. [2022-11-02 20:45:22,045 INFO L158 Benchmark]: Witness Printer took 64.64ms. Allocated memory is still 2.0GB. Free memory was 1.6GB in the beginning and 1.6GB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:45:22,047 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 119.5MB. Free memory is still 95.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 421.99ms. Allocated memory is still 119.5MB. Free memory was 78.1MB in the beginning and 93.1MB in the end (delta: -15.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.56ms. Allocated memory is still 119.5MB. Free memory was 93.1MB in the beginning and 90.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.39ms. Allocated memory is still 119.5MB. Free memory was 90.6MB in the beginning and 88.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1065.61ms. Allocated memory is still 119.5MB. Free memory was 88.5MB in the beginning and 92.2MB in the end (delta: -3.6MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. * TraceAbstraction took 12385.90ms. Allocated memory was 119.5MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 91.5MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 561.7MB. Max. memory is 16.1GB. * Witness Printer took 64.64ms. Allocated memory is still 2.0GB. Free memory was 1.6GB in the beginning and 1.6GB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 110]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 123]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 292 locations, 84 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 12.2s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 176 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 176 mSDsluCounter, 93 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 365 mSDsCounter, 60 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 949 IncrementalHoareTripleChecker+Invalid, 1009 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 60 mSolverCounterUnsat, 93 mSDtfsCounter, 949 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=450occurred in iteration=0, InterpolantAutomatonStates: 51, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1026 NumberOfCodeBlocks, 1026 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1012 ConstructedInterpolants, 0 QuantifiedInterpolants, 1277 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 49 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-02 20:45:22,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff389f6c-576c-4726-a8d6-3f5e50c88827/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE