./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-ring.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_d102aebe-e2c8-45e6-9224-ff3f908d5ba4/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d102aebe-e2c8-45e6-9224-ff3f908d5ba4/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_d102aebe-e2c8-45e6-9224-ff3f908d5ba4/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d102aebe-e2c8-45e6-9224-ff3f908d5ba4/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d102aebe-e2c8-45e6-9224-ff3f908d5ba4/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_d102aebe-e2c8-45e6-9224-ff3f908d5ba4/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 e1611f006d8b4d3ca09ba5acfb7e64e93bdf2d1c3a87f0ab00b1667331afb989 --- 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 21:12:00,575 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 21:12:00,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 21:12:00,606 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 21:12:00,606 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 21:12:00,607 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 21:12:00,609 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 21:12:00,611 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 21:12:00,612 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 21:12:00,613 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 21:12:00,615 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 21:12:00,616 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 21:12:00,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 21:12:00,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 21:12:00,619 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 21:12:00,620 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 21:12:00,621 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 21:12:00,622 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 21:12:00,624 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 21:12:00,626 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 21:12:00,627 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 21:12:00,634 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 21:12:00,635 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 21:12:00,636 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 21:12:00,640 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 21:12:00,640 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 21:12:00,641 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 21:12:00,642 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 21:12:00,642 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 21:12:00,643 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 21:12:00,644 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 21:12:00,644 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 21:12:00,645 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 21:12:00,646 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 21:12:00,647 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 21:12:00,648 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 21:12:00,656 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 21:12:00,657 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 21:12:00,658 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 21:12:00,661 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 21:12:00,662 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 21:12:00,663 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d102aebe-e2c8-45e6-9224-ff3f908d5ba4/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-02 21:12:00,713 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 21:12:00,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 21:12:00,714 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 21:12:00,714 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 21:12:00,715 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 21:12:00,715 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 21:12:00,716 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 21:12:00,716 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 21:12:00,716 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 21:12:00,716 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 21:12:00,717 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 21:12:00,718 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 21:12:00,718 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 21:12:00,718 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 21:12:00,718 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 21:12:00,719 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 21:12:00,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 21:12:00,719 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 21:12:00,719 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-02 21:12:00,719 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 21:12:00,720 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 21:12:00,720 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 21:12:00,720 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 21:12:00,720 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 21:12:00,720 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 21:12:00,721 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 21:12:00,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:12:00,721 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 21:12:00,721 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 21:12:00,722 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 21:12:00,722 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 21:12:00,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 21:12:00,722 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 21:12:00,722 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 21:12:00,723 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 21:12:00,723 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_d102aebe-e2c8-45e6-9224-ff3f908d5ba4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d102aebe-e2c8-45e6-9224-ff3f908d5ba4/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1611f006d8b4d3ca09ba5acfb7e64e93bdf2d1c3a87f0ab00b1667331afb989 [2022-11-02 21:12:01,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 21:12:01,066 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 21:12:01,069 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 21:12:01,070 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 21:12:01,071 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 21:12:01,072 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d102aebe-e2c8-45e6-9224-ff3f908d5ba4/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c [2022-11-02 21:12:01,159 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d102aebe-e2c8-45e6-9224-ff3f908d5ba4/bin/uautomizer-Dbtcem3rbc/data/742fac13a/d1a730955de34c8fbe1345f82fe33d01/FLAGb8afeab02 [2022-11-02 21:12:01,723 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 21:12:01,724 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d102aebe-e2c8-45e6-9224-ff3f908d5ba4/sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c [2022-11-02 21:12:01,734 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d102aebe-e2c8-45e6-9224-ff3f908d5ba4/bin/uautomizer-Dbtcem3rbc/data/742fac13a/d1a730955de34c8fbe1345f82fe33d01/FLAGb8afeab02 [2022-11-02 21:12:02,069 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d102aebe-e2c8-45e6-9224-ff3f908d5ba4/bin/uautomizer-Dbtcem3rbc/data/742fac13a/d1a730955de34c8fbe1345f82fe33d01 [2022-11-02 21:12:02,072 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 21:12:02,074 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 21:12:02,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 21:12:02,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 21:12:02,081 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 21:12:02,082 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:12:02" (1/1) ... [2022-11-02 21:12:02,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cc220c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:12:02, skipping insertion in model container [2022-11-02 21:12:02,084 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:12:02" (1/1) ... [2022-11-02 21:12:02,092 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 21:12:02,132 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:12:02,390 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_d102aebe-e2c8-45e6-9224-ff3f908d5ba4/sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c[3947,3960] [2022-11-02 21:12:02,404 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:12:02,412 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 21:12:02,455 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_d102aebe-e2c8-45e6-9224-ff3f908d5ba4/sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c[3947,3960] [2022-11-02 21:12:02,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:12:02,473 INFO L208 MainTranslator]: Completed translation [2022-11-02 21:12:02,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:12:02 WrapperNode [2022-11-02 21:12:02,473 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 21:12:02,474 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 21:12:02,474 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 21:12:02,475 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 21:12:02,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:12:02" (1/1) ... [2022-11-02 21:12:02,499 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:12:02" (1/1) ... [2022-11-02 21:12:02,571 INFO L138 Inliner]: procedures = 25, calls = 61, calls flagged for inlining = 16, calls inlined = 20, statements flattened = 630 [2022-11-02 21:12:02,580 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 21:12:02,581 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 21:12:02,581 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 21:12:02,581 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 21:12:02,589 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:12:02" (1/1) ... [2022-11-02 21:12:02,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:12:02" (1/1) ... [2022-11-02 21:12:02,597 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:12:02" (1/1) ... [2022-11-02 21:12:02,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:12:02" (1/1) ... [2022-11-02 21:12:02,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:12:02" (1/1) ... [2022-11-02 21:12:02,655 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:12:02" (1/1) ... [2022-11-02 21:12:02,658 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:12:02" (1/1) ... [2022-11-02 21:12:02,674 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:12:02" (1/1) ... [2022-11-02 21:12:02,679 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 21:12:02,680 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 21:12:02,680 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 21:12:02,681 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 21:12:02,682 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:12:02" (1/1) ... [2022-11-02 21:12:02,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:12:02,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d102aebe-e2c8-45e6-9224-ff3f908d5ba4/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:12:02,718 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d102aebe-e2c8-45e6-9224-ff3f908d5ba4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 21:12:02,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d102aebe-e2c8-45e6-9224-ff3f908d5ba4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 21:12:02,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 21:12:02,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 21:12:02,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 21:12:02,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 21:12:02,769 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-02 21:12:02,770 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-02 21:12:02,770 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-02 21:12:02,771 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-02 21:12:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-02 21:12:02,771 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-02 21:12:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 21:12:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-02 21:12:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-02 21:12:02,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 21:12:02,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 21:12:02,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 21:12:02,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 21:12:02,774 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 21:12:02,953 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 21:12:02,970 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 21:12:04,022 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 21:12:04,712 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 21:12:04,712 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-02 21:12:04,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:12:04 BoogieIcfgContainer [2022-11-02 21:12:04,716 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 21:12:04,720 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 21:12:04,720 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 21:12:04,723 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 21:12:04,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 09:12:02" (1/3) ... [2022-11-02 21:12:04,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a6cf075 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:12:04, skipping insertion in model container [2022-11-02 21:12:04,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:12:02" (2/3) ... [2022-11-02 21:12:04,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a6cf075 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:12:04, skipping insertion in model container [2022-11-02 21:12:04,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:12:04" (3/3) ... [2022-11-02 21:12:04,729 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-ring.wvr.c [2022-11-02 21:12:04,738 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-02 21:12:04,749 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 21:12:04,749 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 93 error locations. [2022-11-02 21:12:04,750 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-02 21:12:04,981 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-02 21:12:05,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 463 places, 475 transitions, 974 flow [2022-11-02 21:12:05,282 INFO L130 PetriNetUnfolder]: 22/472 cut-off events. [2022-11-02 21:12:05,282 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-02 21:12:05,290 INFO L83 FinitePrefix]: Finished finitePrefix Result has 485 conditions, 472 events. 22/472 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 764 event pairs, 0 based on Foata normal form. 0/357 useless extension candidates. Maximal degree in co-relation 394. Up to 3 conditions per place. [2022-11-02 21:12:05,291 INFO L82 GeneralOperation]: Start removeDead. Operand has 463 places, 475 transitions, 974 flow [2022-11-02 21:12:05,306 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 441 places, 452 transitions, 922 flow [2022-11-02 21:12:05,325 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 21:12:05,334 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;@6074a19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 21:12:05,334 INFO L358 AbstractCegarLoop]: Starting to check reachability of 162 error locations. [2022-11-02 21:12:05,349 INFO L130 PetriNetUnfolder]: 0/33 cut-off events. [2022-11-02 21:12:05,349 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-02 21:12:05,349 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:12:05,350 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 21:12:05,352 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-02 21:12:05,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:12:05,357 INFO L85 PathProgramCache]: Analyzing trace with hash 1387466631, now seen corresponding path program 1 times [2022-11-02 21:12:05,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:12:05,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542588787] [2022-11-02 21:12:05,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:12:05,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:12:05,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:05,679 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 21:12:05,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:12:05,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542588787] [2022-11-02 21:12:05,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542588787] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:12:05,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:12:05,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:12:05,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563177276] [2022-11-02 21:12:05,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:12:05,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:12:05,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:12:05,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:12:05,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:12:05,745 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 371 out of 475 [2022-11-02 21:12:05,751 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 441 places, 452 transitions, 922 flow. Second operand has 3 states, 3 states have (on average 372.3333333333333) internal successors, (1117), 3 states have internal predecessors, (1117), 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 21:12:05,751 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:12:05,751 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 371 of 475 [2022-11-02 21:12:05,752 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:12:06,348 INFO L130 PetriNetUnfolder]: 200/1070 cut-off events. [2022-11-02 21:12:06,349 INFO L131 PetriNetUnfolder]: For 95/122 co-relation queries the response was YES. [2022-11-02 21:12:06,354 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1450 conditions, 1070 events. 200/1070 cut-off events. For 95/122 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 5438 event pairs, 128 based on Foata normal form. 104/1020 useless extension candidates. Maximal degree in co-relation 1001. Up to 303 conditions per place. [2022-11-02 21:12:06,360 INFO L137 encePairwiseOnDemand]: 395/475 looper letters, 22 selfloop transitions, 2 changer transitions 7/374 dead transitions. [2022-11-02 21:12:06,360 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 374 transitions, 814 flow [2022-11-02 21:12:06,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:12:06,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:12:06,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1215 transitions. [2022-11-02 21:12:06,386 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8526315789473684 [2022-11-02 21:12:06,387 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1215 transitions. [2022-11-02 21:12:06,388 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1215 transitions. [2022-11-02 21:12:06,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:12:06,395 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1215 transitions. [2022-11-02 21:12:06,402 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 405.0) internal successors, (1215), 3 states have internal predecessors, (1215), 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 21:12:06,412 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 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 21:12:06,413 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 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 21:12:06,415 INFO L175 Difference]: Start difference. First operand has 441 places, 452 transitions, 922 flow. Second operand 3 states and 1215 transitions. [2022-11-02 21:12:06,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 374 transitions, 814 flow [2022-11-02 21:12:06,428 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 374 transitions, 802 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-11-02 21:12:06,437 INFO L231 Difference]: Finished difference. Result has 374 places, 367 transitions, 744 flow [2022-11-02 21:12:06,439 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=754, PETRI_DIFFERENCE_MINUEND_PLACES=372, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=374, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=744, PETRI_PLACES=374, PETRI_TRANSITIONS=367} [2022-11-02 21:12:06,443 INFO L287 CegarLoopForPetriNet]: 441 programPoint places, -67 predicate places. [2022-11-02 21:12:06,443 INFO L495 AbstractCegarLoop]: Abstraction has has 374 places, 367 transitions, 744 flow [2022-11-02 21:12:06,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 372.3333333333333) internal successors, (1117), 3 states have internal predecessors, (1117), 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 21:12:06,445 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:12:06,445 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 21:12:06,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 21:12:06,446 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-02 21:12:06,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:12:06,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1275632362, now seen corresponding path program 1 times [2022-11-02 21:12:06,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:12:06,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57058133] [2022-11-02 21:12:06,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:12:06,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:12:06,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:06,576 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 21:12:06,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:12:06,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57058133] [2022-11-02 21:12:06,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57058133] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:12:06,579 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:12:06,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:12:06,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988933037] [2022-11-02 21:12:06,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:12:06,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:12:06,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:12:06,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:12:06,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:12:06,588 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 374 out of 475 [2022-11-02 21:12:06,589 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 374 places, 367 transitions, 744 flow. Second operand has 3 states, 3 states have (on average 375.3333333333333) internal successors, (1126), 3 states have internal predecessors, (1126), 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 21:12:06,589 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:12:06,589 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 374 of 475 [2022-11-02 21:12:06,590 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:12:06,920 INFO L130 PetriNetUnfolder]: 136/877 cut-off events. [2022-11-02 21:12:06,921 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-02 21:12:06,924 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1098 conditions, 877 events. 136/877 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3979 event pairs, 74 based on Foata normal form. 0/754 useless extension candidates. Maximal degree in co-relation 1056. Up to 198 conditions per place. [2022-11-02 21:12:06,930 INFO L137 encePairwiseOnDemand]: 472/475 looper letters, 19 selfloop transitions, 2 changer transitions 0/366 dead transitions. [2022-11-02 21:12:06,930 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 368 places, 366 transitions, 784 flow [2022-11-02 21:12:06,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:12:06,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:12:06,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1144 transitions. [2022-11-02 21:12:06,934 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8028070175438596 [2022-11-02 21:12:06,934 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1144 transitions. [2022-11-02 21:12:06,935 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1144 transitions. [2022-11-02 21:12:06,936 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:12:06,936 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1144 transitions. [2022-11-02 21:12:06,939 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 381.3333333333333) internal successors, (1144), 3 states have internal predecessors, (1144), 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 21:12:06,942 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 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 21:12:06,944 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 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 21:12:06,944 INFO L175 Difference]: Start difference. First operand has 374 places, 367 transitions, 744 flow. Second operand 3 states and 1144 transitions. [2022-11-02 21:12:06,945 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 368 places, 366 transitions, 784 flow [2022-11-02 21:12:06,948 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 366 transitions, 780 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:12:06,957 INFO L231 Difference]: Finished difference. Result has 366 places, 366 transitions, 742 flow [2022-11-02 21:12:06,957 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=738, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=366, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=364, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=742, PETRI_PLACES=366, PETRI_TRANSITIONS=366} [2022-11-02 21:12:06,958 INFO L287 CegarLoopForPetriNet]: 441 programPoint places, -75 predicate places. [2022-11-02 21:12:06,959 INFO L495 AbstractCegarLoop]: Abstraction has has 366 places, 366 transitions, 742 flow [2022-11-02 21:12:06,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 375.3333333333333) internal successors, (1126), 3 states have internal predecessors, (1126), 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 21:12:06,960 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:12:06,960 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 21:12:06,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 21:12:06,961 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-02 21:12:06,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:12:06,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1851176003, now seen corresponding path program 1 times [2022-11-02 21:12:06,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:12:06,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642724485] [2022-11-02 21:12:06,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:12:06,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:12:07,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:07,036 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 21:12:07,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:12:07,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642724485] [2022-11-02 21:12:07,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642724485] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:12:07,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:12:07,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:12:07,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147361843] [2022-11-02 21:12:07,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:12:07,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:12:07,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:12:07,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:12:07,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:12:07,041 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 374 out of 475 [2022-11-02 21:12:07,043 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 366 places, 366 transitions, 742 flow. Second operand has 3 states, 3 states have (on average 375.3333333333333) internal successors, (1126), 3 states have internal predecessors, (1126), 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 21:12:07,044 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:12:07,044 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 374 of 475 [2022-11-02 21:12:07,044 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:12:07,364 INFO L130 PetriNetUnfolder]: 136/876 cut-off events. [2022-11-02 21:12:07,365 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-02 21:12:07,367 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1097 conditions, 876 events. 136/876 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3983 event pairs, 74 based on Foata normal form. 0/750 useless extension candidates. Maximal degree in co-relation 1048. Up to 198 conditions per place. [2022-11-02 21:12:07,371 INFO L137 encePairwiseOnDemand]: 472/475 looper letters, 19 selfloop transitions, 2 changer transitions 0/365 dead transitions. [2022-11-02 21:12:07,372 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 367 places, 365 transitions, 782 flow [2022-11-02 21:12:07,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:12:07,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:12:07,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1144 transitions. [2022-11-02 21:12:07,376 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8028070175438596 [2022-11-02 21:12:07,376 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1144 transitions. [2022-11-02 21:12:07,377 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1144 transitions. [2022-11-02 21:12:07,377 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:12:07,378 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1144 transitions. [2022-11-02 21:12:07,380 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 381.3333333333333) internal successors, (1144), 3 states have internal predecessors, (1144), 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 21:12:07,383 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 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 21:12:07,385 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 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 21:12:07,385 INFO L175 Difference]: Start difference. First operand has 366 places, 366 transitions, 742 flow. Second operand 3 states and 1144 transitions. [2022-11-02 21:12:07,385 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 367 places, 365 transitions, 782 flow [2022-11-02 21:12:07,387 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 365 places, 365 transitions, 778 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:12:07,392 INFO L231 Difference]: Finished difference. Result has 365 places, 365 transitions, 740 flow [2022-11-02 21:12:07,393 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=736, PETRI_DIFFERENCE_MINUEND_PLACES=363, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=365, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=363, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=740, PETRI_PLACES=365, PETRI_TRANSITIONS=365} [2022-11-02 21:12:07,395 INFO L287 CegarLoopForPetriNet]: 441 programPoint places, -76 predicate places. [2022-11-02 21:12:07,395 INFO L495 AbstractCegarLoop]: Abstraction has has 365 places, 365 transitions, 740 flow [2022-11-02 21:12:07,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 375.3333333333333) internal successors, (1126), 3 states have internal predecessors, (1126), 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 21:12:07,396 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:12:07,396 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 21:12:07,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 21:12:07,397 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-02 21:12:07,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:12:07,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1276786338, now seen corresponding path program 1 times [2022-11-02 21:12:07,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:12:07,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358741310] [2022-11-02 21:12:07,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:12:07,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:12:07,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:07,455 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 21:12:07,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:12:07,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358741310] [2022-11-02 21:12:07,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358741310] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:12:07,456 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:12:07,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:12:07,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887398701] [2022-11-02 21:12:07,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:12:07,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:12:07,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:12:07,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:12:07,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:12:07,459 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 374 out of 475 [2022-11-02 21:12:07,460 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 365 places, 365 transitions, 740 flow. Second operand has 3 states, 3 states have (on average 375.3333333333333) internal successors, (1126), 3 states have internal predecessors, (1126), 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 21:12:07,460 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:12:07,461 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 374 of 475 [2022-11-02 21:12:07,461 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:12:07,721 INFO L130 PetriNetUnfolder]: 136/875 cut-off events. [2022-11-02 21:12:07,721 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-02 21:12:07,724 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1096 conditions, 875 events. 136/875 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3956 event pairs, 74 based on Foata normal form. 0/750 useless extension candidates. Maximal degree in co-relation 1040. Up to 198 conditions per place. [2022-11-02 21:12:07,728 INFO L137 encePairwiseOnDemand]: 472/475 looper letters, 19 selfloop transitions, 2 changer transitions 0/364 dead transitions. [2022-11-02 21:12:07,729 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 366 places, 364 transitions, 780 flow [2022-11-02 21:12:07,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:12:07,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:12:07,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1144 transitions. [2022-11-02 21:12:07,732 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8028070175438596 [2022-11-02 21:12:07,732 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1144 transitions. [2022-11-02 21:12:07,732 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1144 transitions. [2022-11-02 21:12:07,733 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:12:07,733 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1144 transitions. [2022-11-02 21:12:07,758 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 381.3333333333333) internal successors, (1144), 3 states have internal predecessors, (1144), 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 21:12:07,761 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 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 21:12:07,762 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 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 21:12:07,762 INFO L175 Difference]: Start difference. First operand has 365 places, 365 transitions, 740 flow. Second operand 3 states and 1144 transitions. [2022-11-02 21:12:07,763 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 366 places, 364 transitions, 780 flow [2022-11-02 21:12:07,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 364 places, 364 transitions, 776 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:12:07,769 INFO L231 Difference]: Finished difference. Result has 364 places, 364 transitions, 738 flow [2022-11-02 21:12:07,770 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=734, PETRI_DIFFERENCE_MINUEND_PLACES=362, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=364, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=362, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=738, PETRI_PLACES=364, PETRI_TRANSITIONS=364} [2022-11-02 21:12:07,771 INFO L287 CegarLoopForPetriNet]: 441 programPoint places, -77 predicate places. [2022-11-02 21:12:07,771 INFO L495 AbstractCegarLoop]: Abstraction has has 364 places, 364 transitions, 738 flow [2022-11-02 21:12:07,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 375.3333333333333) internal successors, (1126), 3 states have internal predecessors, (1126), 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 21:12:07,772 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:12:07,772 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] [2022-11-02 21:12:07,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 21:12:07,773 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-02 21:12:07,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:12:07,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1374164609, now seen corresponding path program 1 times [2022-11-02 21:12:07,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:12:07,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8389670] [2022-11-02 21:12:07,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:12:07,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:12:07,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:07,816 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 21:12:07,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:12:07,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8389670] [2022-11-02 21:12:07,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8389670] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:12:07,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:12:07,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:12:07,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710030470] [2022-11-02 21:12:07,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:12:07,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:12:07,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:12:07,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:12:07,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:12:07,820 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 377 out of 475 [2022-11-02 21:12:07,821 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 364 places, 364 transitions, 738 flow. Second operand has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 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 21:12:07,821 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:12:07,822 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 377 of 475 [2022-11-02 21:12:07,822 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:12:08,064 INFO L130 PetriNetUnfolder]: 136/874 cut-off events. [2022-11-02 21:12:08,065 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-02 21:12:08,068 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1091 conditions, 874 events. 136/874 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3990 event pairs, 74 based on Foata normal form. 0/754 useless extension candidates. Maximal degree in co-relation 1027. Up to 193 conditions per place. [2022-11-02 21:12:08,072 INFO L137 encePairwiseOnDemand]: 473/475 looper letters, 16 selfloop transitions, 1 changer transitions 0/363 dead transitions. [2022-11-02 21:12:08,072 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 365 places, 363 transitions, 770 flow [2022-11-02 21:12:08,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:12:08,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:12:08,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1149 transitions. [2022-11-02 21:12:08,075 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8063157894736842 [2022-11-02 21:12:08,075 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1149 transitions. [2022-11-02 21:12:08,075 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1149 transitions. [2022-11-02 21:12:08,076 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:12:08,076 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1149 transitions. [2022-11-02 21:12:08,079 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 383.0) internal successors, (1149), 3 states have internal predecessors, (1149), 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 21:12:08,082 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 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 21:12:08,083 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 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 21:12:08,083 INFO L175 Difference]: Start difference. First operand has 364 places, 364 transitions, 738 flow. Second operand 3 states and 1149 transitions. [2022-11-02 21:12:08,083 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 365 places, 363 transitions, 770 flow [2022-11-02 21:12:08,086 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 363 places, 363 transitions, 766 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:12:08,095 INFO L231 Difference]: Finished difference. Result has 363 places, 363 transitions, 734 flow [2022-11-02 21:12:08,096 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=732, PETRI_DIFFERENCE_MINUEND_PLACES=361, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=363, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=362, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=734, PETRI_PLACES=363, PETRI_TRANSITIONS=363} [2022-11-02 21:12:08,099 INFO L287 CegarLoopForPetriNet]: 441 programPoint places, -78 predicate places. [2022-11-02 21:12:08,099 INFO L495 AbstractCegarLoop]: Abstraction has has 363 places, 363 transitions, 734 flow [2022-11-02 21:12:08,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 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 21:12:08,101 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:12:08,101 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] [2022-11-02 21:12:08,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 21:12:08,101 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-02 21:12:08,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:12:08,103 INFO L85 PathProgramCache]: Analyzing trace with hash 2045046214, now seen corresponding path program 1 times [2022-11-02 21:12:08,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:12:08,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31503714] [2022-11-02 21:12:08,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:12:08,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:12:08,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:08,197 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 21:12:08,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:12:08,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31503714] [2022-11-02 21:12:08,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31503714] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:12:08,198 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:12:08,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:12:08,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287303968] [2022-11-02 21:12:08,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:12:08,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:12:08,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:12:08,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:12:08,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:12:08,201 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 377 out of 475 [2022-11-02 21:12:08,203 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 363 places, 363 transitions, 734 flow. Second operand has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 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 21:12:08,203 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:12:08,203 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 377 of 475 [2022-11-02 21:12:08,203 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:12:08,462 INFO L130 PetriNetUnfolder]: 136/873 cut-off events. [2022-11-02 21:12:08,462 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-02 21:12:08,465 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1090 conditions, 873 events. 136/873 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3970 event pairs, 74 based on Foata normal form. 0/754 useless extension candidates. Maximal degree in co-relation 1027. Up to 195 conditions per place. [2022-11-02 21:12:08,469 INFO L137 encePairwiseOnDemand]: 472/475 looper letters, 16 selfloop transitions, 2 changer transitions 0/362 dead transitions. [2022-11-02 21:12:08,469 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 362 transitions, 768 flow [2022-11-02 21:12:08,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:12:08,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:12:08,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1150 transitions. [2022-11-02 21:12:08,473 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8070175438596491 [2022-11-02 21:12:08,473 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1150 transitions. [2022-11-02 21:12:08,473 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1150 transitions. [2022-11-02 21:12:08,474 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:12:08,474 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1150 transitions. [2022-11-02 21:12:08,477 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 383.3333333333333) internal successors, (1150), 3 states have internal predecessors, (1150), 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 21:12:08,480 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 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 21:12:08,482 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 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 21:12:08,482 INFO L175 Difference]: Start difference. First operand has 363 places, 363 transitions, 734 flow. Second operand 3 states and 1150 transitions. [2022-11-02 21:12:08,482 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 364 places, 362 transitions, 768 flow [2022-11-02 21:12:08,485 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 363 places, 362 transitions, 767 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 21:12:08,489 INFO L231 Difference]: Finished difference. Result has 363 places, 362 transitions, 735 flow [2022-11-02 21:12:08,490 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=731, PETRI_DIFFERENCE_MINUEND_PLACES=361, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=362, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=360, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=735, PETRI_PLACES=363, PETRI_TRANSITIONS=362} [2022-11-02 21:12:08,491 INFO L287 CegarLoopForPetriNet]: 441 programPoint places, -78 predicate places. [2022-11-02 21:12:08,491 INFO L495 AbstractCegarLoop]: Abstraction has has 363 places, 362 transitions, 735 flow [2022-11-02 21:12:08,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 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 21:12:08,492 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:12:08,492 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] [2022-11-02 21:12:08,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 21:12:08,493 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-02 21:12:08,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:12:08,493 INFO L85 PathProgramCache]: Analyzing trace with hash -506658184, now seen corresponding path program 1 times [2022-11-02 21:12:08,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:12:08,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062633870] [2022-11-02 21:12:08,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:12:08,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:12:08,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:09,104 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 21:12:09,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:12:09,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062633870] [2022-11-02 21:12:09,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062633870] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:12:09,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:12:09,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:12:09,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271047253] [2022-11-02 21:12:09,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:12:09,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:12:09,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:12:09,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:12:09,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:12:09,109 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 475 [2022-11-02 21:12:09,112 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 363 places, 362 transitions, 735 flow. Second operand has 6 states, 6 states have (on average 315.8333333333333) internal successors, (1895), 6 states have internal predecessors, (1895), 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 21:12:09,112 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:12:09,112 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 475 [2022-11-02 21:12:09,113 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:12:10,159 INFO L130 PetriNetUnfolder]: 964/2159 cut-off events. [2022-11-02 21:12:10,159 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-02 21:12:10,166 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3537 conditions, 2159 events. 964/2159 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 12477 event pairs, 608 based on Foata normal form. 0/1832 useless extension candidates. Maximal degree in co-relation 3475. Up to 1341 conditions per place. [2022-11-02 21:12:10,178 INFO L137 encePairwiseOnDemand]: 457/475 looper letters, 64 selfloop transitions, 15 changer transitions 0/359 dead transitions. [2022-11-02 21:12:10,178 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 365 places, 359 transitions, 887 flow [2022-11-02 21:12:10,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:12:10,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 21:12:10,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1966 transitions. [2022-11-02 21:12:10,183 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.6898245614035088 [2022-11-02 21:12:10,184 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1966 transitions. [2022-11-02 21:12:10,184 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1966 transitions. [2022-11-02 21:12:10,185 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:12:10,185 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1966 transitions. [2022-11-02 21:12:10,189 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 327.6666666666667) internal successors, (1966), 6 states have internal predecessors, (1966), 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 21:12:10,196 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 475.0) internal successors, (3325), 7 states have internal predecessors, (3325), 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 21:12:10,198 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 475.0) internal successors, (3325), 7 states have internal predecessors, (3325), 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 21:12:10,198 INFO L175 Difference]: Start difference. First operand has 363 places, 362 transitions, 735 flow. Second operand 6 states and 1966 transitions. [2022-11-02 21:12:10,198 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 365 places, 359 transitions, 887 flow [2022-11-02 21:12:10,201 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 363 places, 359 transitions, 883 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:12:10,206 INFO L231 Difference]: Finished difference. Result has 363 places, 359 transitions, 755 flow [2022-11-02 21:12:10,207 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=725, PETRI_DIFFERENCE_MINUEND_PLACES=358, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=344, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=755, PETRI_PLACES=363, PETRI_TRANSITIONS=359} [2022-11-02 21:12:10,207 INFO L287 CegarLoopForPetriNet]: 441 programPoint places, -78 predicate places. [2022-11-02 21:12:10,208 INFO L495 AbstractCegarLoop]: Abstraction has has 363 places, 359 transitions, 755 flow [2022-11-02 21:12:10,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 315.8333333333333) internal successors, (1895), 6 states have internal predecessors, (1895), 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 21:12:10,209 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:12:10,209 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] [2022-11-02 21:12:10,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-02 21:12:10,210 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-02 21:12:10,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:12:10,210 INFO L85 PathProgramCache]: Analyzing trace with hash 25860273, now seen corresponding path program 1 times [2022-11-02 21:12:10,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:12:10,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689820778] [2022-11-02 21:12:10,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:12:10,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:12:10,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:10,313 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 21:12:10,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:12:10,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689820778] [2022-11-02 21:12:10,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689820778] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:12:10,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:12:10,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:12:10,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340430726] [2022-11-02 21:12:10,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:12:10,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:12:10,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:12:10,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:12:10,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:12:10,317 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 377 out of 475 [2022-11-02 21:12:10,318 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 363 places, 359 transitions, 755 flow. Second operand has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 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 21:12:10,319 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:12:10,319 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 377 of 475 [2022-11-02 21:12:10,319 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:12:10,552 INFO L130 PetriNetUnfolder]: 136/869 cut-off events. [2022-11-02 21:12:10,553 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-02 21:12:10,557 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1100 conditions, 869 events. 136/869 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3928 event pairs, 74 based on Foata normal form. 0/750 useless extension candidates. Maximal degree in co-relation 1052. Up to 193 conditions per place. [2022-11-02 21:12:10,560 INFO L137 encePairwiseOnDemand]: 473/475 looper letters, 16 selfloop transitions, 1 changer transitions 0/358 dead transitions. [2022-11-02 21:12:10,561 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 358 transitions, 787 flow [2022-11-02 21:12:10,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:12:10,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:12:10,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1149 transitions. [2022-11-02 21:12:10,564 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8063157894736842 [2022-11-02 21:12:10,568 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1149 transitions. [2022-11-02 21:12:10,568 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1149 transitions. [2022-11-02 21:12:10,569 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:12:10,569 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1149 transitions. [2022-11-02 21:12:10,571 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 383.0) internal successors, (1149), 3 states have internal predecessors, (1149), 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 21:12:10,574 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 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 21:12:10,575 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 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 21:12:10,575 INFO L175 Difference]: Start difference. First operand has 363 places, 359 transitions, 755 flow. Second operand 3 states and 1149 transitions. [2022-11-02 21:12:10,575 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 364 places, 358 transitions, 787 flow [2022-11-02 21:12:10,578 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 359 places, 358 transitions, 757 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-02 21:12:10,582 INFO L231 Difference]: Finished difference. Result has 359 places, 358 transitions, 725 flow [2022-11-02 21:12:10,583 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=723, PETRI_DIFFERENCE_MINUEND_PLACES=357, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=358, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=357, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=725, PETRI_PLACES=359, PETRI_TRANSITIONS=358} [2022-11-02 21:12:10,586 INFO L287 CegarLoopForPetriNet]: 441 programPoint places, -82 predicate places. [2022-11-02 21:12:10,586 INFO L495 AbstractCegarLoop]: Abstraction has has 359 places, 358 transitions, 725 flow [2022-11-02 21:12:10,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 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 21:12:10,587 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:12:10,587 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] [2022-11-02 21:12:10,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-02 21:12:10,588 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-02 21:12:10,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:12:10,588 INFO L85 PathProgramCache]: Analyzing trace with hash 745364481, now seen corresponding path program 1 times [2022-11-02 21:12:10,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:12:10,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716844250] [2022-11-02 21:12:10,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:12:10,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:12:10,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:10,641 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 21:12:10,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:12:10,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716844250] [2022-11-02 21:12:10,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716844250] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:12:10,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:12:10,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:12:10,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301712532] [2022-11-02 21:12:10,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:12:10,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:12:10,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:12:10,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:12:10,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:12:10,647 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 377 out of 475 [2022-11-02 21:12:10,648 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 359 places, 358 transitions, 725 flow. Second operand has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 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 21:12:10,648 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:12:10,648 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 377 of 475 [2022-11-02 21:12:10,649 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:12:10,951 INFO L130 PetriNetUnfolder]: 136/868 cut-off events. [2022-11-02 21:12:10,951 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-02 21:12:10,954 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1086 conditions, 868 events. 136/868 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3930 event pairs, 74 based on Foata normal form. 0/750 useless extension candidates. Maximal degree in co-relation 1023. Up to 195 conditions per place. [2022-11-02 21:12:10,958 INFO L137 encePairwiseOnDemand]: 472/475 looper letters, 16 selfloop transitions, 2 changer transitions 0/357 dead transitions. [2022-11-02 21:12:10,959 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 360 places, 357 transitions, 759 flow [2022-11-02 21:12:10,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:12:10,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:12:10,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1150 transitions. [2022-11-02 21:12:10,962 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8070175438596491 [2022-11-02 21:12:10,962 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1150 transitions. [2022-11-02 21:12:10,963 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1150 transitions. [2022-11-02 21:12:10,963 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:12:10,964 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1150 transitions. [2022-11-02 21:12:10,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 383.3333333333333) internal successors, (1150), 3 states have internal predecessors, (1150), 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 21:12:10,979 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 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 21:12:10,988 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 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 21:12:10,989 INFO L175 Difference]: Start difference. First operand has 359 places, 358 transitions, 725 flow. Second operand 3 states and 1150 transitions. [2022-11-02 21:12:10,989 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 360 places, 357 transitions, 759 flow [2022-11-02 21:12:10,992 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 359 places, 357 transitions, 758 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 21:12:10,997 INFO L231 Difference]: Finished difference. Result has 359 places, 357 transitions, 726 flow [2022-11-02 21:12:10,998 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=722, PETRI_DIFFERENCE_MINUEND_PLACES=357, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=355, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=726, PETRI_PLACES=359, PETRI_TRANSITIONS=357} [2022-11-02 21:12:10,999 INFO L287 CegarLoopForPetriNet]: 441 programPoint places, -82 predicate places. [2022-11-02 21:12:10,999 INFO L495 AbstractCegarLoop]: Abstraction has has 359 places, 357 transitions, 726 flow [2022-11-02 21:12:11,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 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 21:12:11,000 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:12:11,000 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] [2022-11-02 21:12:11,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-02 21:12:11,001 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-02 21:12:11,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:12:11,001 INFO L85 PathProgramCache]: Analyzing trace with hash 1100109343, now seen corresponding path program 1 times [2022-11-02 21:12:11,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:12:11,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728346088] [2022-11-02 21:12:11,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:12:11,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:12:11,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:11,066 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 21:12:11,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:12:11,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728346088] [2022-11-02 21:12:11,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728346088] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:12:11,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:12:11,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:12:11,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347914147] [2022-11-02 21:12:11,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:12:11,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:12:11,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:12:11,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:12:11,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:12:11,078 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 377 out of 475 [2022-11-02 21:12:11,080 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 359 places, 357 transitions, 726 flow. Second operand has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 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 21:12:11,080 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:12:11,080 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 377 of 475 [2022-11-02 21:12:11,081 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:12:11,377 INFO L130 PetriNetUnfolder]: 136/867 cut-off events. [2022-11-02 21:12:11,377 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-02 21:12:11,380 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1086 conditions, 867 events. 136/867 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3946 event pairs, 74 based on Foata normal form. 0/754 useless extension candidates. Maximal degree in co-relation 1022. Up to 193 conditions per place. [2022-11-02 21:12:11,385 INFO L137 encePairwiseOnDemand]: 473/475 looper letters, 16 selfloop transitions, 1 changer transitions 0/356 dead transitions. [2022-11-02 21:12:11,385 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 360 places, 356 transitions, 758 flow [2022-11-02 21:12:11,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:12:11,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:12:11,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1149 transitions. [2022-11-02 21:12:11,389 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8063157894736842 [2022-11-02 21:12:11,389 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1149 transitions. [2022-11-02 21:12:11,389 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1149 transitions. [2022-11-02 21:12:11,390 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:12:11,390 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1149 transitions. [2022-11-02 21:12:11,393 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 383.0) internal successors, (1149), 3 states have internal predecessors, (1149), 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 21:12:11,396 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 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 21:12:11,397 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 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 21:12:11,398 INFO L175 Difference]: Start difference. First operand has 359 places, 357 transitions, 726 flow. Second operand 3 states and 1149 transitions. [2022-11-02 21:12:11,398 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 360 places, 356 transitions, 758 flow [2022-11-02 21:12:11,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 358 places, 356 transitions, 754 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:12:11,406 INFO L231 Difference]: Finished difference. Result has 358 places, 356 transitions, 722 flow [2022-11-02 21:12:11,408 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=720, PETRI_DIFFERENCE_MINUEND_PLACES=356, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=355, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=722, PETRI_PLACES=358, PETRI_TRANSITIONS=356} [2022-11-02 21:12:11,409 INFO L287 CegarLoopForPetriNet]: 441 programPoint places, -83 predicate places. [2022-11-02 21:12:11,409 INFO L495 AbstractCegarLoop]: Abstraction has has 358 places, 356 transitions, 722 flow [2022-11-02 21:12:11,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 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 21:12:11,410 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:12:11,410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:12:11,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-02 21:12:11,411 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-02 21:12:11,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:12:11,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1509743693, now seen corresponding path program 1 times [2022-11-02 21:12:11,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:12:11,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564040631] [2022-11-02 21:12:11,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:12:11,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:12:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:11,487 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 21:12:11,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:12:11,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564040631] [2022-11-02 21:12:11,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564040631] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:12:11,488 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:12:11,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:12:11,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994256760] [2022-11-02 21:12:11,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:12:11,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:12:11,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:12:11,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:12:11,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:12:11,492 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 377 out of 475 [2022-11-02 21:12:11,493 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 358 places, 356 transitions, 722 flow. Second operand has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 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 21:12:11,493 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:12:11,494 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 377 of 475 [2022-11-02 21:12:11,494 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:12:11,757 INFO L130 PetriNetUnfolder]: 136/866 cut-off events. [2022-11-02 21:12:11,757 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-02 21:12:11,760 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1085 conditions, 866 events. 136/866 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3940 event pairs, 74 based on Foata normal form. 0/750 useless extension candidates. Maximal degree in co-relation 1022. Up to 195 conditions per place. [2022-11-02 21:12:11,763 INFO L137 encePairwiseOnDemand]: 472/475 looper letters, 16 selfloop transitions, 2 changer transitions 0/355 dead transitions. [2022-11-02 21:12:11,764 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 359 places, 355 transitions, 756 flow [2022-11-02 21:12:11,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:12:11,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:12:11,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1150 transitions. [2022-11-02 21:12:11,767 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8070175438596491 [2022-11-02 21:12:11,767 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1150 transitions. [2022-11-02 21:12:11,767 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1150 transitions. [2022-11-02 21:12:11,768 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:12:11,768 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1150 transitions. [2022-11-02 21:12:11,770 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 383.3333333333333) internal successors, (1150), 3 states have internal predecessors, (1150), 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 21:12:11,773 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 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 21:12:11,773 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 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 21:12:11,774 INFO L175 Difference]: Start difference. First operand has 358 places, 356 transitions, 722 flow. Second operand 3 states and 1150 transitions. [2022-11-02 21:12:11,774 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 359 places, 355 transitions, 756 flow [2022-11-02 21:12:11,776 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 358 places, 355 transitions, 755 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 21:12:11,780 INFO L231 Difference]: Finished difference. Result has 358 places, 355 transitions, 723 flow [2022-11-02 21:12:11,781 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=719, PETRI_DIFFERENCE_MINUEND_PLACES=356, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=355, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=353, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=723, PETRI_PLACES=358, PETRI_TRANSITIONS=355} [2022-11-02 21:12:11,782 INFO L287 CegarLoopForPetriNet]: 441 programPoint places, -83 predicate places. [2022-11-02 21:12:11,782 INFO L495 AbstractCegarLoop]: Abstraction has has 358 places, 355 transitions, 723 flow [2022-11-02 21:12:11,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 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 21:12:11,782 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:12:11,783 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:12:11,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-02 21:12:11,783 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-02 21:12:11,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:12:11,784 INFO L85 PathProgramCache]: Analyzing trace with hash 57950221, now seen corresponding path program 1 times [2022-11-02 21:12:11,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:12:11,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475261959] [2022-11-02 21:12:11,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:12:11,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:12:11,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:11,844 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 21:12:11,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:12:11,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475261959] [2022-11-02 21:12:11,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475261959] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:12:11,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:12:11,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:12:11,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893172871] [2022-11-02 21:12:11,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:12:11,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:12:11,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:12:11,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:12:11,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:12:11,848 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 374 out of 475 [2022-11-02 21:12:11,849 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 358 places, 355 transitions, 723 flow. Second operand has 3 states, 3 states have (on average 375.3333333333333) internal successors, (1126), 3 states have internal predecessors, (1126), 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 21:12:11,850 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:12:11,850 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 374 of 475 [2022-11-02 21:12:11,850 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:12:12,086 INFO L130 PetriNetUnfolder]: 136/865 cut-off events. [2022-11-02 21:12:12,086 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-02 21:12:12,089 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1089 conditions, 865 events. 136/865 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3931 event pairs, 74 based on Foata normal form. 0/754 useless extension candidates. Maximal degree in co-relation 1026. Up to 198 conditions per place. [2022-11-02 21:12:12,094 INFO L137 encePairwiseOnDemand]: 472/475 looper letters, 19 selfloop transitions, 2 changer transitions 0/354 dead transitions. [2022-11-02 21:12:12,094 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 359 places, 354 transitions, 763 flow [2022-11-02 21:12:12,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:12:12,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:12:12,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1144 transitions. [2022-11-02 21:12:12,097 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8028070175438596 [2022-11-02 21:12:12,097 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1144 transitions. [2022-11-02 21:12:12,097 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1144 transitions. [2022-11-02 21:12:12,098 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:12:12,098 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1144 transitions. [2022-11-02 21:12:12,100 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 381.3333333333333) internal successors, (1144), 3 states have internal predecessors, (1144), 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 21:12:12,103 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 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 21:12:12,104 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 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 21:12:12,104 INFO L175 Difference]: Start difference. First operand has 358 places, 355 transitions, 723 flow. Second operand 3 states and 1144 transitions. [2022-11-02 21:12:12,104 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 359 places, 354 transitions, 763 flow [2022-11-02 21:12:12,107 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 357 places, 354 transitions, 759 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:12:12,111 INFO L231 Difference]: Finished difference. Result has 357 places, 354 transitions, 721 flow [2022-11-02 21:12:12,112 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=717, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=354, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=352, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=721, PETRI_PLACES=357, PETRI_TRANSITIONS=354} [2022-11-02 21:12:12,112 INFO L287 CegarLoopForPetriNet]: 441 programPoint places, -84 predicate places. [2022-11-02 21:12:12,112 INFO L495 AbstractCegarLoop]: Abstraction has has 357 places, 354 transitions, 721 flow [2022-11-02 21:12:12,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 375.3333333333333) internal successors, (1126), 3 states have internal predecessors, (1126), 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 21:12:12,113 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:12:12,113 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, 1, 1, 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 21:12:12,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-02 21:12:12,114 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-02 21:12:12,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:12:12,114 INFO L85 PathProgramCache]: Analyzing trace with hash -116947552, now seen corresponding path program 1 times [2022-11-02 21:12:12,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:12:12,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478925689] [2022-11-02 21:12:12,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:12:12,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:12:12,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:12,173 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 21:12:12,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:12:12,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478925689] [2022-11-02 21:12:12,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478925689] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:12:12,174 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:12:12,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:12:12,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825671241] [2022-11-02 21:12:12,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:12:12,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:12:12,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:12:12,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:12:12,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:12:12,177 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 374 out of 475 [2022-11-02 21:12:12,178 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 357 places, 354 transitions, 721 flow. Second operand has 3 states, 3 states have (on average 375.3333333333333) internal successors, (1126), 3 states have internal predecessors, (1126), 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 21:12:12,179 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:12:12,179 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 374 of 475 [2022-11-02 21:12:12,179 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:12:12,415 INFO L130 PetriNetUnfolder]: 136/864 cut-off events. [2022-11-02 21:12:12,415 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-02 21:12:12,418 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1088 conditions, 864 events. 136/864 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3928 event pairs, 74 based on Foata normal form. 0/750 useless extension candidates. Maximal degree in co-relation 1025. Up to 198 conditions per place. [2022-11-02 21:12:12,422 INFO L137 encePairwiseOnDemand]: 472/475 looper letters, 19 selfloop transitions, 2 changer transitions 0/353 dead transitions. [2022-11-02 21:12:12,422 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 353 transitions, 761 flow [2022-11-02 21:12:12,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:12:12,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:12:12,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1144 transitions. [2022-11-02 21:12:12,426 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8028070175438596 [2022-11-02 21:12:12,426 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1144 transitions. [2022-11-02 21:12:12,426 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1144 transitions. [2022-11-02 21:12:12,427 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:12:12,427 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1144 transitions. [2022-11-02 21:12:12,429 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 381.3333333333333) internal successors, (1144), 3 states have internal predecessors, (1144), 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 21:12:12,432 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 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 21:12:12,432 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 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 21:12:12,433 INFO L175 Difference]: Start difference. First operand has 357 places, 354 transitions, 721 flow. Second operand 3 states and 1144 transitions. [2022-11-02 21:12:12,433 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 353 transitions, 761 flow [2022-11-02 21:12:12,435 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 356 places, 353 transitions, 757 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:12:12,440 INFO L231 Difference]: Finished difference. Result has 356 places, 353 transitions, 719 flow [2022-11-02 21:12:12,440 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=715, PETRI_DIFFERENCE_MINUEND_PLACES=354, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=353, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=351, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=719, PETRI_PLACES=356, PETRI_TRANSITIONS=353} [2022-11-02 21:12:12,441 INFO L287 CegarLoopForPetriNet]: 441 programPoint places, -85 predicate places. [2022-11-02 21:12:12,441 INFO L495 AbstractCegarLoop]: Abstraction has has 356 places, 353 transitions, 719 flow [2022-11-02 21:12:12,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 375.3333333333333) internal successors, (1126), 3 states have internal predecessors, (1126), 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 21:12:12,442 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:12:12,442 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:12:12,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-02 21:12:12,443 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-02 21:12:12,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:12:12,443 INFO L85 PathProgramCache]: Analyzing trace with hash -335643577, now seen corresponding path program 1 times [2022-11-02 21:12:12,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:12:12,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938255631] [2022-11-02 21:12:12,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:12:12,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:12:12,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:12,524 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 21:12:12,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:12:12,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938255631] [2022-11-02 21:12:12,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938255631] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:12:12,525 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:12:12,525 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:12:12,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480718642] [2022-11-02 21:12:12,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:12:12,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:12:12,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:12:12,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:12:12,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:12:12,528 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 374 out of 475 [2022-11-02 21:12:12,529 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 353 transitions, 719 flow. Second operand has 3 states, 3 states have (on average 375.3333333333333) internal successors, (1126), 3 states have internal predecessors, (1126), 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 21:12:12,530 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:12:12,530 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 374 of 475 [2022-11-02 21:12:12,530 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:12:12,769 INFO L130 PetriNetUnfolder]: 136/863 cut-off events. [2022-11-02 21:12:12,769 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-02 21:12:12,772 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1087 conditions, 863 events. 136/863 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3932 event pairs, 74 based on Foata normal form. 0/754 useless extension candidates. Maximal degree in co-relation 1024. Up to 198 conditions per place. [2022-11-02 21:12:12,776 INFO L137 encePairwiseOnDemand]: 472/475 looper letters, 19 selfloop transitions, 2 changer transitions 0/352 dead transitions. [2022-11-02 21:12:12,776 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 352 transitions, 759 flow [2022-11-02 21:12:12,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:12:12,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:12:12,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1144 transitions. [2022-11-02 21:12:12,779 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8028070175438596 [2022-11-02 21:12:12,780 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1144 transitions. [2022-11-02 21:12:12,780 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1144 transitions. [2022-11-02 21:12:12,780 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:12:12,781 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1144 transitions. [2022-11-02 21:12:12,783 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 381.3333333333333) internal successors, (1144), 3 states have internal predecessors, (1144), 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 21:12:12,785 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 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 21:12:12,786 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 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 21:12:12,786 INFO L175 Difference]: Start difference. First operand has 356 places, 353 transitions, 719 flow. Second operand 3 states and 1144 transitions. [2022-11-02 21:12:12,786 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 352 transitions, 759 flow [2022-11-02 21:12:12,789 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 352 transitions, 755 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:12:12,793 INFO L231 Difference]: Finished difference. Result has 355 places, 352 transitions, 717 flow [2022-11-02 21:12:12,794 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=713, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=352, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=350, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=717, PETRI_PLACES=355, PETRI_TRANSITIONS=352} [2022-11-02 21:12:12,795 INFO L287 CegarLoopForPetriNet]: 441 programPoint places, -86 predicate places. [2022-11-02 21:12:12,795 INFO L495 AbstractCegarLoop]: Abstraction has has 355 places, 352 transitions, 717 flow [2022-11-02 21:12:12,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 375.3333333333333) internal successors, (1126), 3 states have internal predecessors, (1126), 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 21:12:12,796 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:12:12,796 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:12:12,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-02 21:12:12,796 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-02 21:12:12,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:12:12,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1757115109, now seen corresponding path program 1 times [2022-11-02 21:12:12,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:12:12,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022932709] [2022-11-02 21:12:12,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:12:12,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:12:12,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:12,860 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 21:12:12,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:12:12,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022932709] [2022-11-02 21:12:12,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022932709] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:12:12,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:12:12,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:12:12,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149529357] [2022-11-02 21:12:12,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:12:12,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:12:12,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:12:12,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:12:12,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:12:12,864 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 377 out of 475 [2022-11-02 21:12:12,865 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 352 transitions, 717 flow. Second operand has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 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 21:12:12,865 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:12:12,865 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 377 of 475 [2022-11-02 21:12:12,865 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:12:13,122 INFO L130 PetriNetUnfolder]: 137/911 cut-off events. [2022-11-02 21:12:13,122 INFO L131 PetriNetUnfolder]: For 13/14 co-relation queries the response was YES. [2022-11-02 21:12:13,126 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1134 conditions, 911 events. 137/911 cut-off events. For 13/14 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 4075 event pairs, 56 based on Foata normal form. 0/809 useless extension candidates. Maximal degree in co-relation 1072. Up to 150 conditions per place. [2022-11-02 21:12:13,129 INFO L137 encePairwiseOnDemand]: 472/475 looper letters, 23 selfloop transitions, 2 changer transitions 0/359 dead transitions. [2022-11-02 21:12:13,130 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 359 transitions, 783 flow [2022-11-02 21:12:13,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:12:13,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:12:13,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1157 transitions. [2022-11-02 21:12:13,133 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8119298245614035 [2022-11-02 21:12:13,133 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1157 transitions. [2022-11-02 21:12:13,133 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1157 transitions. [2022-11-02 21:12:13,134 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:12:13,134 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1157 transitions. [2022-11-02 21:12:13,137 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 385.6666666666667) internal successors, (1157), 3 states have internal predecessors, (1157), 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 21:12:13,139 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 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 21:12:13,140 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 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 21:12:13,140 INFO L175 Difference]: Start difference. First operand has 355 places, 352 transitions, 717 flow. Second operand 3 states and 1157 transitions. [2022-11-02 21:12:13,140 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 356 places, 359 transitions, 783 flow [2022-11-02 21:12:13,143 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 354 places, 359 transitions, 779 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:12:13,147 INFO L231 Difference]: Finished difference. Result has 355 places, 352 transitions, 721 flow [2022-11-02 21:12:13,148 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=711, PETRI_DIFFERENCE_MINUEND_PLACES=352, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=351, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=349, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=721, PETRI_PLACES=355, PETRI_TRANSITIONS=352} [2022-11-02 21:12:13,149 INFO L287 CegarLoopForPetriNet]: 441 programPoint places, -86 predicate places. [2022-11-02 21:12:13,149 INFO L495 AbstractCegarLoop]: Abstraction has has 355 places, 352 transitions, 721 flow [2022-11-02 21:12:13,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 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 21:12:13,150 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:12:13,150 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:12:13,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-02 21:12:13,150 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-02 21:12:13,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:12:13,151 INFO L85 PathProgramCache]: Analyzing trace with hash 485744619, now seen corresponding path program 1 times [2022-11-02 21:12:13,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:12:13,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415149642] [2022-11-02 21:12:13,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:12:13,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:12:13,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:13,213 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 21:12:13,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:12:13,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415149642] [2022-11-02 21:12:13,214 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415149642] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:12:13,214 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:12:13,214 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:12:13,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018355860] [2022-11-02 21:12:13,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:12:13,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:12:13,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:12:13,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:12:13,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:12:13,217 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 377 out of 475 [2022-11-02 21:12:13,218 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 352 transitions, 721 flow. Second operand has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 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 21:12:13,219 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:12:13,219 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 377 of 475 [2022-11-02 21:12:13,219 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:12:13,476 INFO L130 PetriNetUnfolder]: 137/868 cut-off events. [2022-11-02 21:12:13,476 INFO L131 PetriNetUnfolder]: For 52/52 co-relation queries the response was YES. [2022-11-02 21:12:13,479 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1150 conditions, 868 events. 137/868 cut-off events. For 52/52 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 3963 event pairs, 74 based on Foata normal form. 0/756 useless extension candidates. Maximal degree in co-relation 1086. Up to 199 conditions per place. [2022-11-02 21:12:13,489 INFO L137 encePairwiseOnDemand]: 472/475 looper letters, 17 selfloop transitions, 2 changer transitions 0/351 dead transitions. [2022-11-02 21:12:13,489 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 351 transitions, 757 flow [2022-11-02 21:12:13,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:12:13,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:12:13,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1150 transitions. [2022-11-02 21:12:13,492 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8070175438596491 [2022-11-02 21:12:13,492 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1150 transitions. [2022-11-02 21:12:13,493 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1150 transitions. [2022-11-02 21:12:13,493 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:12:13,494 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1150 transitions. [2022-11-02 21:12:13,496 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 383.3333333333333) internal successors, (1150), 3 states have internal predecessors, (1150), 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 21:12:13,498 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 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 21:12:13,499 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 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 21:12:13,500 INFO L175 Difference]: Start difference. First operand has 355 places, 352 transitions, 721 flow. Second operand 3 states and 1150 transitions. [2022-11-02 21:12:13,500 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 356 places, 351 transitions, 757 flow [2022-11-02 21:12:13,503 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 351 transitions, 755 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 21:12:13,507 INFO L231 Difference]: Finished difference. Result has 355 places, 351 transitions, 721 flow [2022-11-02 21:12:13,508 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=717, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=351, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=349, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=721, PETRI_PLACES=355, PETRI_TRANSITIONS=351} [2022-11-02 21:12:13,508 INFO L287 CegarLoopForPetriNet]: 441 programPoint places, -86 predicate places. [2022-11-02 21:12:13,510 INFO L495 AbstractCegarLoop]: Abstraction has has 355 places, 351 transitions, 721 flow [2022-11-02 21:12:13,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 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 21:12:13,511 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:12:13,511 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:12:13,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-02 21:12:13,512 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-02 21:12:13,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:12:13,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1074814973, now seen corresponding path program 1 times [2022-11-02 21:12:13,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:12:13,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542909243] [2022-11-02 21:12:13,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:12:13,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:12:13,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:13,584 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 21:12:13,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:12:13,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542909243] [2022-11-02 21:12:13,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542909243] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:12:13,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:12:13,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:12:13,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144277226] [2022-11-02 21:12:13,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:12:13,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:12:13,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:12:13,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:12:13,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:12:13,588 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 377 out of 475 [2022-11-02 21:12:13,589 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 351 transitions, 721 flow. Second operand has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 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 21:12:13,589 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:12:13,589 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 377 of 475 [2022-11-02 21:12:13,590 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:12:13,837 INFO L130 PetriNetUnfolder]: 137/804 cut-off events. [2022-11-02 21:12:13,838 INFO L131 PetriNetUnfolder]: For 51/51 co-relation queries the response was YES. [2022-11-02 21:12:13,841 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1071 conditions, 804 events. 137/804 cut-off events. For 51/51 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3405 event pairs, 28 based on Foata normal form. 0/718 useless extension candidates. Maximal degree in co-relation 1008. Up to 120 conditions per place. [2022-11-02 21:12:13,844 INFO L137 encePairwiseOnDemand]: 472/475 looper letters, 25 selfloop transitions, 2 changer transitions 0/359 dead transitions. [2022-11-02 21:12:13,844 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 359 transitions, 797 flow [2022-11-02 21:12:13,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:12:13,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:12:13,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1157 transitions. [2022-11-02 21:12:13,847 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8119298245614035 [2022-11-02 21:12:13,848 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1157 transitions. [2022-11-02 21:12:13,848 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1157 transitions. [2022-11-02 21:12:13,849 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:12:13,849 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1157 transitions. [2022-11-02 21:12:13,851 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 385.6666666666667) internal successors, (1157), 3 states have internal predecessors, (1157), 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 21:12:13,853 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 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 21:12:13,854 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 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 21:12:13,854 INFO L175 Difference]: Start difference. First operand has 355 places, 351 transitions, 721 flow. Second operand 3 states and 1157 transitions. [2022-11-02 21:12:13,854 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 356 places, 359 transitions, 797 flow [2022-11-02 21:12:13,857 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 354 places, 359 transitions, 793 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:12:13,861 INFO L231 Difference]: Finished difference. Result has 355 places, 351 transitions, 725 flow [2022-11-02 21:12:13,862 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=715, PETRI_DIFFERENCE_MINUEND_PLACES=352, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=350, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=725, PETRI_PLACES=355, PETRI_TRANSITIONS=351} [2022-11-02 21:12:13,862 INFO L287 CegarLoopForPetriNet]: 441 programPoint places, -86 predicate places. [2022-11-02 21:12:13,862 INFO L495 AbstractCegarLoop]: Abstraction has has 355 places, 351 transitions, 725 flow [2022-11-02 21:12:13,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 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 21:12:13,863 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:12:13,863 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:12:13,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-02 21:12:13,864 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-02 21:12:13,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:12:13,864 INFO L85 PathProgramCache]: Analyzing trace with hash 66073090, now seen corresponding path program 1 times [2022-11-02 21:12:13,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:12:13,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188615601] [2022-11-02 21:12:13,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:12:13,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:12:13,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:13,937 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 21:12:13,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:12:13,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188615601] [2022-11-02 21:12:13,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188615601] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:12:13,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:12:13,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:12:13,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655898729] [2022-11-02 21:12:13,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:12:13,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:12:13,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:12:13,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:12:13,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:12:13,941 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 377 out of 475 [2022-11-02 21:12:13,943 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 351 transitions, 725 flow. Second operand has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 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 21:12:13,943 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:12:13,943 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 377 of 475 [2022-11-02 21:12:13,943 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:12:14,239 INFO L130 PetriNetUnfolder]: 137/872 cut-off events. [2022-11-02 21:12:14,239 INFO L131 PetriNetUnfolder]: For 84/84 co-relation queries the response was YES. [2022-11-02 21:12:14,243 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1188 conditions, 872 events. 137/872 cut-off events. For 84/84 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 4095 event pairs, 74 based on Foata normal form. 0/766 useless extension candidates. Maximal degree in co-relation 1123. Up to 202 conditions per place. [2022-11-02 21:12:14,246 INFO L137 encePairwiseOnDemand]: 472/475 looper letters, 18 selfloop transitions, 2 changer transitions 0/350 dead transitions. [2022-11-02 21:12:14,247 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 350 transitions, 763 flow [2022-11-02 21:12:14,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:12:14,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:12:14,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1150 transitions. [2022-11-02 21:12:14,251 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8070175438596491 [2022-11-02 21:12:14,251 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1150 transitions. [2022-11-02 21:12:14,251 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1150 transitions. [2022-11-02 21:12:14,252 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:12:14,252 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1150 transitions. [2022-11-02 21:12:14,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 383.3333333333333) internal successors, (1150), 3 states have internal predecessors, (1150), 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 21:12:14,258 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 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 21:12:14,259 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 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 21:12:14,259 INFO L175 Difference]: Start difference. First operand has 355 places, 351 transitions, 725 flow. Second operand 3 states and 1150 transitions. [2022-11-02 21:12:14,260 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 356 places, 350 transitions, 763 flow [2022-11-02 21:12:14,263 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 350 transitions, 761 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 21:12:14,268 INFO L231 Difference]: Finished difference. Result has 355 places, 350 transitions, 725 flow [2022-11-02 21:12:14,269 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=721, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=350, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=725, PETRI_PLACES=355, PETRI_TRANSITIONS=350} [2022-11-02 21:12:14,269 INFO L287 CegarLoopForPetriNet]: 441 programPoint places, -86 predicate places. [2022-11-02 21:12:14,270 INFO L495 AbstractCegarLoop]: Abstraction has has 355 places, 350 transitions, 725 flow [2022-11-02 21:12:14,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 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 21:12:14,270 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:12:14,271 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:12:14,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-02 21:12:14,271 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-02 21:12:14,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:12:14,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1290291268, now seen corresponding path program 1 times [2022-11-02 21:12:14,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:12:14,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479071980] [2022-11-02 21:12:14,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:12:14,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:12:14,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:14,354 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 21:12:14,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:12:14,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479071980] [2022-11-02 21:12:14,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479071980] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:12:14,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:12:14,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:12:14,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919431214] [2022-11-02 21:12:14,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:12:14,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:12:14,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:12:14,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:12:14,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:12:14,359 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 377 out of 475 [2022-11-02 21:12:14,361 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 350 transitions, 725 flow. Second operand has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 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 21:12:14,361 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:12:14,361 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 377 of 475 [2022-11-02 21:12:14,361 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:12:14,801 INFO L130 PetriNetUnfolder]: 196/1133 cut-off events. [2022-11-02 21:12:14,801 INFO L131 PetriNetUnfolder]: For 138/138 co-relation queries the response was YES. [2022-11-02 21:12:14,806 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1583 conditions, 1133 events. 196/1133 cut-off events. For 138/138 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 5771 event pairs, 56 based on Foata normal form. 0/1013 useless extension candidates. Maximal degree in co-relation 1519. Up to 164 conditions per place. [2022-11-02 21:12:14,810 INFO L137 encePairwiseOnDemand]: 472/475 looper letters, 31 selfloop transitions, 2 changer transitions 0/363 dead transitions. [2022-11-02 21:12:14,810 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 363 transitions, 830 flow [2022-11-02 21:12:14,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:12:14,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:12:14,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1161 transitions. [2022-11-02 21:12:14,814 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8147368421052632 [2022-11-02 21:12:14,814 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1161 transitions. [2022-11-02 21:12:14,814 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1161 transitions. [2022-11-02 21:12:14,815 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:12:14,815 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1161 transitions. [2022-11-02 21:12:14,817 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 387.0) internal successors, (1161), 3 states have internal predecessors, (1161), 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 21:12:14,820 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 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 21:12:14,820 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 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 21:12:14,820 INFO L175 Difference]: Start difference. First operand has 355 places, 350 transitions, 725 flow. Second operand 3 states and 1161 transitions. [2022-11-02 21:12:14,821 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 356 places, 363 transitions, 830 flow [2022-11-02 21:12:14,824 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 354 places, 363 transitions, 826 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:12:14,829 INFO L231 Difference]: Finished difference. Result has 355 places, 350 transitions, 729 flow [2022-11-02 21:12:14,830 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=719, PETRI_DIFFERENCE_MINUEND_PLACES=352, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=349, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=347, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=729, PETRI_PLACES=355, PETRI_TRANSITIONS=350} [2022-11-02 21:12:14,830 INFO L287 CegarLoopForPetriNet]: 441 programPoint places, -86 predicate places. [2022-11-02 21:12:14,831 INFO L495 AbstractCegarLoop]: Abstraction has has 355 places, 350 transitions, 729 flow [2022-11-02 21:12:14,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 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 21:12:14,831 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:12:14,832 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:12:14,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-02 21:12:14,832 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-02 21:12:14,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:12:14,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1762897973, now seen corresponding path program 1 times [2022-11-02 21:12:14,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:12:14,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342472656] [2022-11-02 21:12:14,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:12:14,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:12:14,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:14,898 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 21:12:14,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:12:14,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342472656] [2022-11-02 21:12:14,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342472656] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:12:14,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:12:14,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:12:14,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47039685] [2022-11-02 21:12:14,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:12:14,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:12:14,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:12:14,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:12:14,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:12:14,902 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 377 out of 475 [2022-11-02 21:12:14,903 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 350 transitions, 729 flow. Second operand has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 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 21:12:14,903 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:12:14,903 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 377 of 475 [2022-11-02 21:12:14,903 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:12:15,236 INFO L130 PetriNetUnfolder]: 196/1121 cut-off events. [2022-11-02 21:12:15,236 INFO L131 PetriNetUnfolder]: For 154/155 co-relation queries the response was YES. [2022-11-02 21:12:15,241 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1611 conditions, 1121 events. 196/1121 cut-off events. For 154/155 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 5738 event pairs, 124 based on Foata normal form. 0/989 useless extension candidates. Maximal degree in co-relation 1545. Up to 301 conditions per place. [2022-11-02 21:12:15,245 INFO L137 encePairwiseOnDemand]: 472/475 looper letters, 19 selfloop transitions, 2 changer transitions 0/349 dead transitions. [2022-11-02 21:12:15,246 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 349 transitions, 769 flow [2022-11-02 21:12:15,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:12:15,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:12:15,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1150 transitions. [2022-11-02 21:12:15,249 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8070175438596491 [2022-11-02 21:12:15,249 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1150 transitions. [2022-11-02 21:12:15,249 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1150 transitions. [2022-11-02 21:12:15,250 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:12:15,250 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1150 transitions. [2022-11-02 21:12:15,252 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 383.3333333333333) internal successors, (1150), 3 states have internal predecessors, (1150), 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 21:12:15,255 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 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 21:12:15,256 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 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 21:12:15,256 INFO L175 Difference]: Start difference. First operand has 355 places, 350 transitions, 729 flow. Second operand 3 states and 1150 transitions. [2022-11-02 21:12:15,256 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 356 places, 349 transitions, 769 flow [2022-11-02 21:12:15,261 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 349 transitions, 767 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 21:12:15,265 INFO L231 Difference]: Finished difference. Result has 355 places, 349 transitions, 729 flow [2022-11-02 21:12:15,265 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=725, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=349, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=347, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=729, PETRI_PLACES=355, PETRI_TRANSITIONS=349} [2022-11-02 21:12:15,266 INFO L287 CegarLoopForPetriNet]: 441 programPoint places, -86 predicate places. [2022-11-02 21:12:15,266 INFO L495 AbstractCegarLoop]: Abstraction has has 355 places, 349 transitions, 729 flow [2022-11-02 21:12:15,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 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 21:12:15,267 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:12:15,267 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:12:15,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-02 21:12:15,267 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-02 21:12:15,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:12:15,268 INFO L85 PathProgramCache]: Analyzing trace with hash 368451375, now seen corresponding path program 1 times [2022-11-02 21:12:15,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:12:15,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370612932] [2022-11-02 21:12:15,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:12:15,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:12:15,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:15,363 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 21:12:15,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:12:15,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370612932] [2022-11-02 21:12:15,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370612932] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:12:15,363 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:12:15,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:12:15,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083288633] [2022-11-02 21:12:15,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:12:15,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:12:15,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:12:15,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:12:15,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:12:15,366 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 374 out of 475 [2022-11-02 21:12:15,368 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 349 transitions, 729 flow. Second operand has 3 states, 3 states have (on average 375.3333333333333) internal successors, (1126), 3 states have internal predecessors, (1126), 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 21:12:15,368 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:12:15,368 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 374 of 475 [2022-11-02 21:12:15,368 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:12:15,759 INFO L130 PetriNetUnfolder]: 296/1365 cut-off events. [2022-11-02 21:12:15,760 INFO L131 PetriNetUnfolder]: For 205/228 co-relation queries the response was YES. [2022-11-02 21:12:15,765 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2067 conditions, 1365 events. 296/1365 cut-off events. For 205/228 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 7518 event pairs, 196 based on Foata normal form. 0/1225 useless extension candidates. Maximal degree in co-relation 2000. Up to 451 conditions per place. [2022-11-02 21:12:15,771 INFO L137 encePairwiseOnDemand]: 472/475 looper letters, 21 selfloop transitions, 1 changer transitions 0/347 dead transitions. [2022-11-02 21:12:15,771 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 355 places, 347 transitions, 769 flow [2022-11-02 21:12:15,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:12:15,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:12:15,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1143 transitions. [2022-11-02 21:12:15,774 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8021052631578948 [2022-11-02 21:12:15,775 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1143 transitions. [2022-11-02 21:12:15,775 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1143 transitions. [2022-11-02 21:12:15,775 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:12:15,775 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1143 transitions. [2022-11-02 21:12:15,778 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 381.0) internal successors, (1143), 3 states have internal predecessors, (1143), 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 21:12:15,780 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 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 21:12:15,781 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 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 21:12:15,781 INFO L175 Difference]: Start difference. First operand has 355 places, 349 transitions, 729 flow. Second operand 3 states and 1143 transitions. [2022-11-02 21:12:15,781 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 355 places, 347 transitions, 769 flow [2022-11-02 21:12:15,785 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 353 places, 347 transitions, 765 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:12:15,789 INFO L231 Difference]: Finished difference. Result has 353 places, 347 transitions, 723 flow [2022-11-02 21:12:15,789 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=721, PETRI_DIFFERENCE_MINUEND_PLACES=351, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=347, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=346, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=723, PETRI_PLACES=353, PETRI_TRANSITIONS=347} [2022-11-02 21:12:15,790 INFO L287 CegarLoopForPetriNet]: 441 programPoint places, -88 predicate places. [2022-11-02 21:12:15,790 INFO L495 AbstractCegarLoop]: Abstraction has has 353 places, 347 transitions, 723 flow [2022-11-02 21:12:15,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 375.3333333333333) internal successors, (1126), 3 states have internal predecessors, (1126), 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 21:12:15,790 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:12:15,791 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:12:15,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-02 21:12:15,791 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-02 21:12:15,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:12:15,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1937565097, now seen corresponding path program 1 times [2022-11-02 21:12:15,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:12:15,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962398354] [2022-11-02 21:12:15,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:12:15,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:12:15,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:15,853 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 21:12:15,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:12:15,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962398354] [2022-11-02 21:12:15,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962398354] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:12:15,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:12:15,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:12:15,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562972940] [2022-11-02 21:12:15,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:12:15,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:12:15,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:12:15,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:12:15,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:12:15,856 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 475 [2022-11-02 21:12:15,857 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 353 places, 347 transitions, 723 flow. Second operand has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 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 21:12:15,858 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:12:15,858 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 475 [2022-11-02 21:12:15,858 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:12:16,405 INFO L130 PetriNetUnfolder]: 446/1576 cut-off events. [2022-11-02 21:12:16,405 INFO L131 PetriNetUnfolder]: For 286/287 co-relation queries the response was YES. [2022-11-02 21:12:16,410 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2613 conditions, 1576 events. 446/1576 cut-off events. For 286/287 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 8863 event pairs, 268 based on Foata normal form. 0/1421 useless extension candidates. Maximal degree in co-relation 2548. Up to 606 conditions per place. [2022-11-02 21:12:16,416 INFO L137 encePairwiseOnDemand]: 472/475 looper letters, 34 selfloop transitions, 2 changer transitions 0/354 dead transitions. [2022-11-02 21:12:16,416 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 354 places, 354 transitions, 819 flow [2022-11-02 21:12:16,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:12:16,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:12:16,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1139 transitions. [2022-11-02 21:12:16,419 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7992982456140351 [2022-11-02 21:12:16,419 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1139 transitions. [2022-11-02 21:12:16,419 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1139 transitions. [2022-11-02 21:12:16,420 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:12:16,420 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1139 transitions. [2022-11-02 21:12:16,423 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 379.6666666666667) internal successors, (1139), 3 states have internal predecessors, (1139), 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 21:12:16,425 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 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 21:12:16,426 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 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 21:12:16,426 INFO L175 Difference]: Start difference. First operand has 353 places, 347 transitions, 723 flow. Second operand 3 states and 1139 transitions. [2022-11-02 21:12:16,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 354 places, 354 transitions, 819 flow [2022-11-02 21:12:16,429 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 353 places, 354 transitions, 818 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 21:12:16,433 INFO L231 Difference]: Finished difference. Result has 353 places, 346 transitions, 724 flow [2022-11-02 21:12:16,434 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=720, PETRI_DIFFERENCE_MINUEND_PLACES=351, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=346, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=344, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=724, PETRI_PLACES=353, PETRI_TRANSITIONS=346} [2022-11-02 21:12:16,434 INFO L287 CegarLoopForPetriNet]: 441 programPoint places, -88 predicate places. [2022-11-02 21:12:16,434 INFO L495 AbstractCegarLoop]: Abstraction has has 353 places, 346 transitions, 724 flow [2022-11-02 21:12:16,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 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 21:12:16,435 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:12:16,435 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:12:16,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-02 21:12:16,436 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread1Err20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-02 21:12:16,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:12:16,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1052079259, now seen corresponding path program 1 times [2022-11-02 21:12:16,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:12:16,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625548963] [2022-11-02 21:12:16,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:12:16,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:12:16,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:16,531 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 21:12:16,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:12:16,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625548963] [2022-11-02 21:12:16,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625548963] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:12:16,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:12:16,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:12:16,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267515893] [2022-11-02 21:12:16,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:12:16,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:12:16,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:12:16,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:12:16,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:12:16,537 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 371 out of 475 [2022-11-02 21:12:16,538 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 353 places, 346 transitions, 724 flow. Second operand has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 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 21:12:16,538 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:12:16,538 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 371 of 475 [2022-11-02 21:12:16,538 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:12:16,973 INFO L130 PetriNetUnfolder]: 371/1418 cut-off events. [2022-11-02 21:12:16,973 INFO L131 PetriNetUnfolder]: For 257/258 co-relation queries the response was YES. [2022-11-02 21:12:16,980 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2303 conditions, 1418 events. 371/1418 cut-off events. For 257/258 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 7552 event pairs, 214 based on Foata normal form. 2/1295 useless extension candidates. Maximal degree in co-relation 2238. Up to 488 conditions per place. [2022-11-02 21:12:16,986 INFO L137 encePairwiseOnDemand]: 470/475 looper letters, 28 selfloop transitions, 2 changer transitions 3/352 dead transitions. [2022-11-02 21:12:16,986 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 353 places, 352 transitions, 810 flow [2022-11-02 21:12:16,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:12:16,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:12:16,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1142 transitions. [2022-11-02 21:12:16,989 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8014035087719298 [2022-11-02 21:12:16,989 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1142 transitions. [2022-11-02 21:12:16,989 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1142 transitions. [2022-11-02 21:12:16,990 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:12:16,990 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1142 transitions. [2022-11-02 21:12:16,992 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 380.6666666666667) internal successors, (1142), 3 states have internal predecessors, (1142), 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 21:12:16,995 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 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 21:12:16,995 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 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 21:12:16,996 INFO L175 Difference]: Start difference. First operand has 353 places, 346 transitions, 724 flow. Second operand 3 states and 1142 transitions. [2022-11-02 21:12:16,996 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 353 places, 352 transitions, 810 flow [2022-11-02 21:12:16,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 351 places, 352 transitions, 806 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:12:17,003 INFO L231 Difference]: Finished difference. Result has 351 places, 341 transitions, 713 flow [2022-11-02 21:12:17,003 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=716, PETRI_DIFFERENCE_MINUEND_PLACES=349, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=344, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=342, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=713, PETRI_PLACES=351, PETRI_TRANSITIONS=341} [2022-11-02 21:12:17,004 INFO L287 CegarLoopForPetriNet]: 441 programPoint places, -90 predicate places. [2022-11-02 21:12:17,004 INFO L495 AbstractCegarLoop]: Abstraction has has 351 places, 341 transitions, 713 flow [2022-11-02 21:12:17,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 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 21:12:17,005 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:12:17,005 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:12:17,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-02 21:12:17,005 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting thread1Err21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-02 21:12:17,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:12:17,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1261531486, now seen corresponding path program 1 times [2022-11-02 21:12:17,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:12:17,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748715197] [2022-11-02 21:12:17,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:12:17,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:12:17,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:17,095 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 21:12:17,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:12:17,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748715197] [2022-11-02 21:12:17,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748715197] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:12:17,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:12:17,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:12:17,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990285674] [2022-11-02 21:12:17,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:12:17,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:12:17,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:12:17,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:12:17,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:12:17,099 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 475 [2022-11-02 21:12:17,100 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 351 places, 341 transitions, 713 flow. Second operand has 3 states, 3 states have (on average 372.3333333333333) internal successors, (1117), 3 states have internal predecessors, (1117), 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 21:12:17,100 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:12:17,100 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 475 [2022-11-02 21:12:17,100 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:12:17,577 INFO L130 PetriNetUnfolder]: 396/1457 cut-off events. [2022-11-02 21:12:17,577 INFO L131 PetriNetUnfolder]: For 262/262 co-relation queries the response was YES. [2022-11-02 21:12:17,582 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2402 conditions, 1457 events. 396/1457 cut-off events. For 262/262 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 7892 event pairs, 232 based on Foata normal form. 0/1342 useless extension candidates. Maximal degree in co-relation 2337. Up to 524 conditions per place. [2022-11-02 21:12:17,590 INFO L137 encePairwiseOnDemand]: 472/475 looper letters, 29 selfloop transitions, 2 changer transitions 0/348 dead transitions. [2022-11-02 21:12:17,590 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 349 places, 348 transitions, 799 flow [2022-11-02 21:12:17,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:12:17,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:12:17,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1134 transitions. [2022-11-02 21:12:17,594 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7957894736842105 [2022-11-02 21:12:17,594 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1134 transitions. [2022-11-02 21:12:17,594 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1134 transitions. [2022-11-02 21:12:17,595 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:12:17,595 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1134 transitions. [2022-11-02 21:12:17,597 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 378.0) internal successors, (1134), 3 states have internal predecessors, (1134), 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 21:12:17,600 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 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 21:12:17,601 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 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 21:12:17,601 INFO L175 Difference]: Start difference. First operand has 351 places, 341 transitions, 713 flow. Second operand 3 states and 1134 transitions. [2022-11-02 21:12:17,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 349 places, 348 transitions, 799 flow [2022-11-02 21:12:17,604 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 347 places, 348 transitions, 795 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:12:17,608 INFO L231 Difference]: Finished difference. Result has 347 places, 340 transitions, 711 flow [2022-11-02 21:12:17,609 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=707, PETRI_DIFFERENCE_MINUEND_PLACES=345, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=340, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=338, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=711, PETRI_PLACES=347, PETRI_TRANSITIONS=340} [2022-11-02 21:12:17,610 INFO L287 CegarLoopForPetriNet]: 441 programPoint places, -94 predicate places. [2022-11-02 21:12:17,610 INFO L495 AbstractCegarLoop]: Abstraction has has 347 places, 340 transitions, 711 flow [2022-11-02 21:12:17,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 372.3333333333333) internal successors, (1117), 3 states have internal predecessors, (1117), 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 21:12:17,610 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:12:17,611 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:12:17,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-02 21:12:17,613 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-02 21:12:17,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:12:17,613 INFO L85 PathProgramCache]: Analyzing trace with hash -45812642, now seen corresponding path program 1 times [2022-11-02 21:12:17,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:12:17,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160385246] [2022-11-02 21:12:17,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:12:17,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:12:17,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:18,414 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 21:12:18,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:12:18,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160385246] [2022-11-02 21:12:18,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160385246] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:12:18,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:12:18,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:12:18,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146148734] [2022-11-02 21:12:18,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:12:18,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:12:18,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:12:18,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:12:18,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:12:18,418 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 341 out of 475 [2022-11-02 21:12:18,420 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 347 places, 340 transitions, 711 flow. Second operand has 6 states, 6 states have (on average 343.0) internal successors, (2058), 6 states have internal predecessors, (2058), 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 21:12:18,420 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:12:18,420 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 341 of 475 [2022-11-02 21:12:18,420 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:12:19,849 INFO L130 PetriNetUnfolder]: 1420/2839 cut-off events. [2022-11-02 21:12:19,849 INFO L131 PetriNetUnfolder]: For 832/832 co-relation queries the response was YES. [2022-11-02 21:12:19,856 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5754 conditions, 2839 events. 1420/2839 cut-off events. For 832/832 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 16344 event pairs, 213 based on Foata normal form. 0/2663 useless extension candidates. Maximal degree in co-relation 5687. Up to 894 conditions per place. [2022-11-02 21:12:19,871 INFO L137 encePairwiseOnDemand]: 470/475 looper letters, 86 selfloop transitions, 4 changer transitions 1/379 dead transitions. [2022-11-02 21:12:19,871 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 351 places, 379 transitions, 1019 flow [2022-11-02 21:12:19,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:12:19,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 21:12:19,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2123 transitions. [2022-11-02 21:12:19,877 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7449122807017544 [2022-11-02 21:12:19,877 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2123 transitions. [2022-11-02 21:12:19,877 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2123 transitions. [2022-11-02 21:12:19,878 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:12:19,878 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2123 transitions. [2022-11-02 21:12:19,883 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 353.8333333333333) internal successors, (2123), 6 states have internal predecessors, (2123), 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 21:12:19,888 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 475.0) internal successors, (3325), 7 states have internal predecessors, (3325), 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 21:12:19,889 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 475.0) internal successors, (3325), 7 states have internal predecessors, (3325), 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 21:12:19,889 INFO L175 Difference]: Start difference. First operand has 347 places, 340 transitions, 711 flow. Second operand 6 states and 2123 transitions. [2022-11-02 21:12:19,889 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 351 places, 379 transitions, 1019 flow [2022-11-02 21:12:19,893 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 349 places, 379 transitions, 1015 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:12:19,898 INFO L231 Difference]: Finished difference. Result has 349 places, 338 transitions, 711 flow [2022-11-02 21:12:19,898 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=705, PETRI_DIFFERENCE_MINUEND_PLACES=344, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=339, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=335, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=711, PETRI_PLACES=349, PETRI_TRANSITIONS=338} [2022-11-02 21:12:19,899 INFO L287 CegarLoopForPetriNet]: 441 programPoint places, -92 predicate places. [2022-11-02 21:12:19,899 INFO L495 AbstractCegarLoop]: Abstraction has has 349 places, 338 transitions, 711 flow [2022-11-02 21:12:19,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 343.0) internal successors, (2058), 6 states have internal predecessors, (2058), 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 21:12:19,900 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:12:19,900 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:12:19,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-02 21:12:19,900 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-02 21:12:19,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:12:19,901 INFO L85 PathProgramCache]: Analyzing trace with hash -368613657, now seen corresponding path program 1 times [2022-11-02 21:12:19,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:12:19,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806830227] [2022-11-02 21:12:19,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:12:19,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:12:19,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:20,625 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 21:12:20,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:12:20,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806830227] [2022-11-02 21:12:20,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806830227] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:12:20,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:12:20,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:12:20,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016401884] [2022-11-02 21:12:20,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:12:20,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:12:20,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:12:20,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:12:20,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:12:20,629 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 341 out of 475 [2022-11-02 21:12:20,631 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 349 places, 338 transitions, 711 flow. Second operand has 6 states, 6 states have (on average 344.1666666666667) internal successors, (2065), 6 states have internal predecessors, (2065), 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 21:12:20,632 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:12:20,632 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 341 of 475 [2022-11-02 21:12:20,632 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:12:21,842 INFO L130 PetriNetUnfolder]: 1258/2731 cut-off events. [2022-11-02 21:12:21,842 INFO L131 PetriNetUnfolder]: For 862/862 co-relation queries the response was YES. [2022-11-02 21:12:21,850 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5527 conditions, 2731 events. 1258/2731 cut-off events. For 862/862 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 16355 event pairs, 734 based on Foata normal form. 0/2489 useless extension candidates. Maximal degree in co-relation 5460. Up to 1447 conditions per place. [2022-11-02 21:12:21,863 INFO L137 encePairwiseOnDemand]: 470/475 looper letters, 69 selfloop transitions, 4 changer transitions 0/361 dead transitions. [2022-11-02 21:12:21,863 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 361 transitions, 935 flow [2022-11-02 21:12:21,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:12:21,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 21:12:21,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2109 transitions. [2022-11-02 21:12:21,868 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.74 [2022-11-02 21:12:21,868 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2109 transitions. [2022-11-02 21:12:21,868 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2109 transitions. [2022-11-02 21:12:21,870 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:12:21,870 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2109 transitions. [2022-11-02 21:12:21,874 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 351.5) internal successors, (2109), 6 states have internal predecessors, (2109), 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 21:12:21,879 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 475.0) internal successors, (3325), 7 states have internal predecessors, (3325), 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 21:12:21,881 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 475.0) internal successors, (3325), 7 states have internal predecessors, (3325), 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 21:12:21,881 INFO L175 Difference]: Start difference. First operand has 349 places, 338 transitions, 711 flow. Second operand 6 states and 2109 transitions. [2022-11-02 21:12:21,881 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 352 places, 361 transitions, 935 flow [2022-11-02 21:12:21,884 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 348 places, 361 transitions, 928 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-02 21:12:21,888 INFO L231 Difference]: Finished difference. Result has 348 places, 337 transitions, 710 flow [2022-11-02 21:12:21,889 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=702, PETRI_DIFFERENCE_MINUEND_PLACES=343, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=337, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=333, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=710, PETRI_PLACES=348, PETRI_TRANSITIONS=337} [2022-11-02 21:12:21,889 INFO L287 CegarLoopForPetriNet]: 441 programPoint places, -93 predicate places. [2022-11-02 21:12:21,890 INFO L495 AbstractCegarLoop]: Abstraction has has 348 places, 337 transitions, 710 flow [2022-11-02 21:12:21,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 344.1666666666667) internal successors, (2065), 6 states have internal predecessors, (2065), 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 21:12:21,891 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:12:21,891 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:12:21,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-02 21:12:21,891 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-02 21:12:21,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:12:21,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1088006176, now seen corresponding path program 1 times [2022-11-02 21:12:21,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:12:21,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91169339] [2022-11-02 21:12:21,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:12:21,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:12:21,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:22,761 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 21:12:22,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:12:22,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91169339] [2022-11-02 21:12:22,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91169339] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:12:22,762 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:12:22,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:12:22,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546892949] [2022-11-02 21:12:22,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:12:22,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:12:22,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:12:22,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:12:22,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:12:22,766 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 341 out of 475 [2022-11-02 21:12:22,768 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 348 places, 337 transitions, 710 flow. Second operand has 6 states, 6 states have (on average 345.5) internal successors, (2073), 6 states have internal predecessors, (2073), 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 21:12:22,768 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:12:22,768 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 341 of 475 [2022-11-02 21:12:22,768 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:12:23,907 INFO L130 PetriNetUnfolder]: 1252/2761 cut-off events. [2022-11-02 21:12:23,908 INFO L131 PetriNetUnfolder]: For 747/747 co-relation queries the response was YES. [2022-11-02 21:12:23,922 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5447 conditions, 2761 events. 1252/2761 cut-off events. For 747/747 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 16731 event pairs, 860 based on Foata normal form. 6/2540 useless extension candidates. Maximal degree in co-relation 5380. Up to 1729 conditions per place. [2022-11-02 21:12:23,924 INFO L137 encePairwiseOnDemand]: 470/475 looper letters, 0 selfloop transitions, 0 changer transitions 348/348 dead transitions. [2022-11-02 21:12:23,924 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 348 transitions, 868 flow [2022-11-02 21:12:23,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:12:23,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 21:12:23,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2100 transitions. [2022-11-02 21:12:23,931 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7368421052631579 [2022-11-02 21:12:23,931 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2100 transitions. [2022-11-02 21:12:23,931 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2100 transitions. [2022-11-02 21:12:23,933 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:12:23,933 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2100 transitions. [2022-11-02 21:12:23,938 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 350.0) internal successors, (2100), 6 states have internal predecessors, (2100), 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 21:12:23,944 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 475.0) internal successors, (3325), 7 states have internal predecessors, (3325), 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 21:12:23,945 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 475.0) internal successors, (3325), 7 states have internal predecessors, (3325), 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 21:12:23,946 INFO L175 Difference]: Start difference. First operand has 348 places, 337 transitions, 710 flow. Second operand 6 states and 2100 transitions. [2022-11-02 21:12:23,946 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 352 places, 348 transitions, 868 flow [2022-11-02 21:12:23,949 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 348 places, 348 transitions, 861 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-02 21:12:23,952 INFO L231 Difference]: Finished difference. Result has 348 places, 0 transitions, 0 flow [2022-11-02 21:12:23,953 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=701, PETRI_DIFFERENCE_MINUEND_PLACES=343, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=336, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=336, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=348, PETRI_TRANSITIONS=0} [2022-11-02 21:12:23,953 INFO L287 CegarLoopForPetriNet]: 441 programPoint places, -93 predicate places. [2022-11-02 21:12:23,954 INFO L495 AbstractCegarLoop]: Abstraction has has 348 places, 0 transitions, 0 flow [2022-11-02 21:12:23,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 345.5) internal successors, (2073), 6 states have internal predecessors, (2073), 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 21:12:23,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (161 of 162 remaining) [2022-11-02 21:12:23,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (160 of 162 remaining) [2022-11-02 21:12:23,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (159 of 162 remaining) [2022-11-02 21:12:23,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err24ASSERT_VIOLATIONDATA_RACE (158 of 162 remaining) [2022-11-02 21:12:23,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err25ASSERT_VIOLATIONDATA_RACE (157 of 162 remaining) [2022-11-02 21:12:23,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err26ASSERT_VIOLATIONDATA_RACE (156 of 162 remaining) [2022-11-02 21:12:23,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err27ASSERT_VIOLATIONDATA_RACE (155 of 162 remaining) [2022-11-02 21:12:23,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err28ASSERT_VIOLATIONDATA_RACE (154 of 162 remaining) [2022-11-02 21:12:23,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err29ASSERT_VIOLATIONDATA_RACE (153 of 162 remaining) [2022-11-02 21:12:23,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (152 of 162 remaining) [2022-11-02 21:12:23,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (151 of 162 remaining) [2022-11-02 21:12:23,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (150 of 162 remaining) [2022-11-02 21:12:23,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (149 of 162 remaining) [2022-11-02 21:12:23,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (148 of 162 remaining) [2022-11-02 21:12:23,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (147 of 162 remaining) [2022-11-02 21:12:23,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (146 of 162 remaining) [2022-11-02 21:12:23,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (145 of 162 remaining) [2022-11-02 21:12:23,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (144 of 162 remaining) [2022-11-02 21:12:23,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (143 of 162 remaining) [2022-11-02 21:12:23,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (142 of 162 remaining) [2022-11-02 21:12:23,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (141 of 162 remaining) [2022-11-02 21:12:23,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (140 of 162 remaining) [2022-11-02 21:12:23,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (139 of 162 remaining) [2022-11-02 21:12:23,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (138 of 162 remaining) [2022-11-02 21:12:23,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (137 of 162 remaining) [2022-11-02 21:12:23,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (136 of 162 remaining) [2022-11-02 21:12:23,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (135 of 162 remaining) [2022-11-02 21:12:23,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (134 of 162 remaining) [2022-11-02 21:12:23,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (133 of 162 remaining) [2022-11-02 21:12:23,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (132 of 162 remaining) [2022-11-02 21:12:23,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (131 of 162 remaining) [2022-11-02 21:12:23,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (130 of 162 remaining) [2022-11-02 21:12:23,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (129 of 162 remaining) [2022-11-02 21:12:23,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (128 of 162 remaining) [2022-11-02 21:12:23,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (127 of 162 remaining) [2022-11-02 21:12:23,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (126 of 162 remaining) [2022-11-02 21:12:23,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (125 of 162 remaining) [2022-11-02 21:12:23,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (124 of 162 remaining) [2022-11-02 21:12:23,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (123 of 162 remaining) [2022-11-02 21:12:23,969 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (122 of 162 remaining) [2022-11-02 21:12:23,969 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (121 of 162 remaining) [2022-11-02 21:12:23,969 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (120 of 162 remaining) [2022-11-02 21:12:23,969 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (119 of 162 remaining) [2022-11-02 21:12:23,970 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (118 of 162 remaining) [2022-11-02 21:12:23,970 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (117 of 162 remaining) [2022-11-02 21:12:23,970 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (116 of 162 remaining) [2022-11-02 21:12:23,970 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (115 of 162 remaining) [2022-11-02 21:12:23,971 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (114 of 162 remaining) [2022-11-02 21:12:23,971 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (113 of 162 remaining) [2022-11-02 21:12:23,971 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (112 of 162 remaining) [2022-11-02 21:12:23,971 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (111 of 162 remaining) [2022-11-02 21:12:23,971 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (110 of 162 remaining) [2022-11-02 21:12:23,972 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (109 of 162 remaining) [2022-11-02 21:12:23,972 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (108 of 162 remaining) [2022-11-02 21:12:23,972 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (107 of 162 remaining) [2022-11-02 21:12:23,972 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (106 of 162 remaining) [2022-11-02 21:12:23,973 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (105 of 162 remaining) [2022-11-02 21:12:23,973 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (104 of 162 remaining) [2022-11-02 21:12:23,973 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (103 of 162 remaining) [2022-11-02 21:12:23,973 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (102 of 162 remaining) [2022-11-02 21:12:23,974 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (101 of 162 remaining) [2022-11-02 21:12:23,974 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (100 of 162 remaining) [2022-11-02 21:12:23,974 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (99 of 162 remaining) [2022-11-02 21:12:23,974 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (98 of 162 remaining) [2022-11-02 21:12:23,974 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (97 of 162 remaining) [2022-11-02 21:12:23,975 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (96 of 162 remaining) [2022-11-02 21:12:23,975 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (95 of 162 remaining) [2022-11-02 21:12:23,975 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (94 of 162 remaining) [2022-11-02 21:12:23,975 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (93 of 162 remaining) [2022-11-02 21:12:23,976 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (92 of 162 remaining) [2022-11-02 21:12:23,976 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (91 of 162 remaining) [2022-11-02 21:12:23,976 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (90 of 162 remaining) [2022-11-02 21:12:23,976 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (89 of 162 remaining) [2022-11-02 21:12:23,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (88 of 162 remaining) [2022-11-02 21:12:23,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (87 of 162 remaining) [2022-11-02 21:12:23,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (86 of 162 remaining) [2022-11-02 21:12:23,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (85 of 162 remaining) [2022-11-02 21:12:23,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (84 of 162 remaining) [2022-11-02 21:12:23,978 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (83 of 162 remaining) [2022-11-02 21:12:23,978 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (82 of 162 remaining) [2022-11-02 21:12:23,978 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (81 of 162 remaining) [2022-11-02 21:12:23,978 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (80 of 162 remaining) [2022-11-02 21:12:23,979 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (79 of 162 remaining) [2022-11-02 21:12:23,979 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (78 of 162 remaining) [2022-11-02 21:12:23,979 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (77 of 162 remaining) [2022-11-02 21:12:23,979 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (76 of 162 remaining) [2022-11-02 21:12:23,980 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (75 of 162 remaining) [2022-11-02 21:12:23,980 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (74 of 162 remaining) [2022-11-02 21:12:23,980 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (73 of 162 remaining) [2022-11-02 21:12:23,980 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (72 of 162 remaining) [2022-11-02 21:12:23,981 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (71 of 162 remaining) [2022-11-02 21:12:23,981 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (70 of 162 remaining) [2022-11-02 21:12:23,981 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (69 of 162 remaining) [2022-11-02 21:12:23,981 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (68 of 162 remaining) [2022-11-02 21:12:23,981 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (67 of 162 remaining) [2022-11-02 21:12:23,982 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (66 of 162 remaining) [2022-11-02 21:12:23,982 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (65 of 162 remaining) [2022-11-02 21:12:23,982 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (64 of 162 remaining) [2022-11-02 21:12:23,982 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (63 of 162 remaining) [2022-11-02 21:12:23,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err24ASSERT_VIOLATIONDATA_RACE (62 of 162 remaining) [2022-11-02 21:12:23,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err25ASSERT_VIOLATIONDATA_RACE (61 of 162 remaining) [2022-11-02 21:12:23,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err26ASSERT_VIOLATIONDATA_RACE (60 of 162 remaining) [2022-11-02 21:12:23,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err27ASSERT_VIOLATIONDATA_RACE (59 of 162 remaining) [2022-11-02 21:12:23,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err28ASSERT_VIOLATIONDATA_RACE (58 of 162 remaining) [2022-11-02 21:12:23,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err29ASSERT_VIOLATIONDATA_RACE (57 of 162 remaining) [2022-11-02 21:12:23,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (56 of 162 remaining) [2022-11-02 21:12:23,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (55 of 162 remaining) [2022-11-02 21:12:23,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (54 of 162 remaining) [2022-11-02 21:12:23,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (53 of 162 remaining) [2022-11-02 21:12:23,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (52 of 162 remaining) [2022-11-02 21:12:23,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (51 of 162 remaining) [2022-11-02 21:12:23,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (50 of 162 remaining) [2022-11-02 21:12:23,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (49 of 162 remaining) [2022-11-02 21:12:23,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (48 of 162 remaining) [2022-11-02 21:12:23,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (47 of 162 remaining) [2022-11-02 21:12:23,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (46 of 162 remaining) [2022-11-02 21:12:23,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (45 of 162 remaining) [2022-11-02 21:12:23,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (44 of 162 remaining) [2022-11-02 21:12:23,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (43 of 162 remaining) [2022-11-02 21:12:23,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (42 of 162 remaining) [2022-11-02 21:12:23,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (41 of 162 remaining) [2022-11-02 21:12:23,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (40 of 162 remaining) [2022-11-02 21:12:23,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (39 of 162 remaining) [2022-11-02 21:12:23,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (38 of 162 remaining) [2022-11-02 21:12:23,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (37 of 162 remaining) [2022-11-02 21:12:23,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (36 of 162 remaining) [2022-11-02 21:12:23,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (35 of 162 remaining) [2022-11-02 21:12:23,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (34 of 162 remaining) [2022-11-02 21:12:23,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (33 of 162 remaining) [2022-11-02 21:12:23,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (32 of 162 remaining) [2022-11-02 21:12:23,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (31 of 162 remaining) [2022-11-02 21:12:23,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (30 of 162 remaining) [2022-11-02 21:12:23,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (29 of 162 remaining) [2022-11-02 21:12:23,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (28 of 162 remaining) [2022-11-02 21:12:23,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (27 of 162 remaining) [2022-11-02 21:12:23,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (26 of 162 remaining) [2022-11-02 21:12:23,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (25 of 162 remaining) [2022-11-02 21:12:23,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (24 of 162 remaining) [2022-11-02 21:12:23,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (23 of 162 remaining) [2022-11-02 21:12:23,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (22 of 162 remaining) [2022-11-02 21:12:23,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (21 of 162 remaining) [2022-11-02 21:12:23,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (20 of 162 remaining) [2022-11-02 21:12:23,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (19 of 162 remaining) [2022-11-02 21:12:23,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (18 of 162 remaining) [2022-11-02 21:12:23,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (17 of 162 remaining) [2022-11-02 21:12:23,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (16 of 162 remaining) [2022-11-02 21:12:23,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (15 of 162 remaining) [2022-11-02 21:12:23,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (14 of 162 remaining) [2022-11-02 21:12:23,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (13 of 162 remaining) [2022-11-02 21:12:23,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (12 of 162 remaining) [2022-11-02 21:12:23,995 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (11 of 162 remaining) [2022-11-02 21:12:23,995 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (10 of 162 remaining) [2022-11-02 21:12:23,995 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (9 of 162 remaining) [2022-11-02 21:12:23,995 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (8 of 162 remaining) [2022-11-02 21:12:23,996 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (7 of 162 remaining) [2022-11-02 21:12:23,996 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (6 of 162 remaining) [2022-11-02 21:12:23,996 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (5 of 162 remaining) [2022-11-02 21:12:23,996 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (4 of 162 remaining) [2022-11-02 21:12:23,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (3 of 162 remaining) [2022-11-02 21:12:23,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (2 of 162 remaining) [2022-11-02 21:12:23,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (1 of 162 remaining) [2022-11-02 21:12:23,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (0 of 162 remaining) [2022-11-02 21:12:23,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-02 21:12:23,998 INFO L444 BasicCegarLoop]: Path program 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 21:12:24,005 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-02 21:12:24,006 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 21:12:24,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 09:12:24 BasicIcfg [2022-11-02 21:12:24,014 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 21:12:24,015 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 21:12:24,015 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 21:12:24,015 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 21:12:24,016 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:12:04" (3/4) ... [2022-11-02 21:12:24,019 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 21:12:24,024 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-02 21:12:24,024 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-02 21:12:24,024 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-02 21:12:24,039 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2022-11-02 21:12:24,040 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-02 21:12:24,041 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-02 21:12:24,041 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 21:12:24,123 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d102aebe-e2c8-45e6-9224-ff3f908d5ba4/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 21:12:24,124 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 21:12:24,124 INFO L158 Benchmark]: Toolchain (without parser) took 22050.41ms. Allocated memory was 98.6MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 64.4MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 147.6MB. Max. memory is 16.1GB. [2022-11-02 21:12:24,125 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 98.6MB. Free memory was 52.4MB in the beginning and 52.4MB in the end (delta: 37.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:12:24,125 INFO L158 Benchmark]: CACSL2BoogieTranslator took 396.55ms. Allocated memory is still 98.6MB. Free memory was 64.1MB in the beginning and 70.4MB in the end (delta: -6.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 21:12:24,125 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.32ms. Allocated memory is still 98.6MB. Free memory was 70.4MB in the beginning and 66.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 21:12:24,126 INFO L158 Benchmark]: Boogie Preprocessor took 98.43ms. Allocated memory is still 98.6MB. Free memory was 66.2MB in the beginning and 62.3MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 21:12:24,127 INFO L158 Benchmark]: RCFGBuilder took 2036.25ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 62.3MB in the beginning and 70.5MB in the end (delta: -8.2MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2022-11-02 21:12:24,127 INFO L158 Benchmark]: TraceAbstraction took 19294.18ms. Allocated memory was 119.5MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 69.7MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 609.5MB. Max. memory is 16.1GB. [2022-11-02 21:12:24,128 INFO L158 Benchmark]: Witness Printer took 109.15ms. Allocated memory is still 1.3GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-02 21:12:24,133 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 98.6MB. Free memory was 52.4MB in the beginning and 52.4MB in the end (delta: 37.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 396.55ms. Allocated memory is still 98.6MB. Free memory was 64.1MB in the beginning and 70.4MB in the end (delta: -6.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.32ms. Allocated memory is still 98.6MB. Free memory was 70.4MB in the beginning and 66.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.43ms. Allocated memory is still 98.6MB. Free memory was 66.2MB in the beginning and 62.3MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2036.25ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 62.3MB in the beginning and 70.5MB in the end (delta: -8.2MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. * TraceAbstraction took 19294.18ms. Allocated memory was 119.5MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 69.7MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 609.5MB. Max. memory is 16.1GB. * Witness Printer took 109.15ms. Allocated memory is still 1.3GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 51]: 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: 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: 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: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: 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: 54]: 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: 54]: 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: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: 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: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: 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: 105]: 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: 105]: 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: 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: 106]: 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 - PositiveResult [Line: 124]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 125]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 161]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 161]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 129]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 129]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 161]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 132]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 136]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 136]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 139]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 145]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 146]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 147]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 149]: 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, 569 locations, 162 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: 19.0s, OverallIterations: 27, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 13.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 151 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 151 mSDsluCounter, 252 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 249 mSDsCounter, 145 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1249 IncrementalHoareTripleChecker+Invalid, 1394 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 145 mSolverCounterUnsat, 252 mSDtfsCounter, 1249 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=922occurred in iteration=0, InterpolantAutomatonStates: 93, 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, 0.4s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 4155 NumberOfCodeBlocks, 4155 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 4128 ConstructedInterpolants, 0 QuantifiedInterpolants, 4532 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 27 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 93 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-02 21:12:24,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d102aebe-e2c8-45e6-9224-ff3f908d5ba4/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