./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/unroll-4.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5950f3-56a3-4dbe-8b5a-bb347baf57db/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5950f3-56a3-4dbe-8b5a-bb347baf57db/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_9c5950f3-56a3-4dbe-8b5a-bb347baf57db/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5950f3-56a3-4dbe-8b5a-bb347baf57db/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/unroll-4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5950f3-56a3-4dbe-8b5a-bb347baf57db/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_9c5950f3-56a3-4dbe-8b5a-bb347baf57db/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 7071c3ff0bb3d9f81f254bc51d27ce3551a85cc081b1b878560a7d4c8f67639e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:50:29,443 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:50:29,445 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:50:29,508 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:50:29,509 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:50:29,515 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:50:29,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:50:29,521 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:50:29,529 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:50:29,532 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:50:29,533 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:50:29,535 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:50:29,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:50:29,543 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:50:29,545 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:50:29,548 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:50:29,550 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:50:29,559 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:50:29,562 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:50:29,564 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:50:29,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:50:29,571 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:50:29,573 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:50:29,575 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:50:29,580 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:50:29,584 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:50:29,585 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:50:29,586 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:50:29,588 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:50:29,589 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:50:29,590 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:50:29,592 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:50:29,594 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:50:29,596 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:50:29,597 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:50:29,598 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:50:29,599 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:50:29,599 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:50:29,599 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:50:29,600 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:50:29,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:50:29,602 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5950f3-56a3-4dbe-8b5a-bb347baf57db/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-02 20:50:29,658 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:50:29,659 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:50:29,660 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:50:29,660 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:50:29,661 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:50:29,662 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:50:29,662 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:50:29,663 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:50:29,663 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:50:29,663 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:50:29,665 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:50:29,665 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:50:29,666 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:50:29,666 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:50:29,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:50:29,667 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:50:29,667 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:50:29,667 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:50:29,667 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-02 20:50:29,668 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:50:29,668 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:50:29,668 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:50:29,668 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:50:29,669 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:50:29,669 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:50:29,669 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:50:29,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:50:29,670 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:50:29,670 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:50:29,671 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:50:29,671 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:50:29,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:50:29,672 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:50:29,672 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:50:29,672 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:50:29,672 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_9c5950f3-56a3-4dbe-8b5a-bb347baf57db/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5950f3-56a3-4dbe-8b5a-bb347baf57db/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7071c3ff0bb3d9f81f254bc51d27ce3551a85cc081b1b878560a7d4c8f67639e [2022-11-02 20:50:30,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:50:30,066 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:50:30,069 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:50:30,071 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:50:30,072 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:50:30,074 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5950f3-56a3-4dbe-8b5a-bb347baf57db/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/weaver/unroll-4.wvr.c [2022-11-02 20:50:30,158 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5950f3-56a3-4dbe-8b5a-bb347baf57db/bin/uautomizer-Dbtcem3rbc/data/c310d68c2/10be4c8e5ffa4af3ba7cf1f3d7625808/FLAG92e2fdb95 [2022-11-02 20:50:30,755 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:50:30,758 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5950f3-56a3-4dbe-8b5a-bb347baf57db/sv-benchmarks/c/weaver/unroll-4.wvr.c [2022-11-02 20:50:30,770 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5950f3-56a3-4dbe-8b5a-bb347baf57db/bin/uautomizer-Dbtcem3rbc/data/c310d68c2/10be4c8e5ffa4af3ba7cf1f3d7625808/FLAG92e2fdb95 [2022-11-02 20:50:31,041 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5950f3-56a3-4dbe-8b5a-bb347baf57db/bin/uautomizer-Dbtcem3rbc/data/c310d68c2/10be4c8e5ffa4af3ba7cf1f3d7625808 [2022-11-02 20:50:31,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:50:31,048 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:50:31,050 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:50:31,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:50:31,056 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:50:31,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:50:31" (1/1) ... [2022-11-02 20:50:31,058 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fe27b76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:31, skipping insertion in model container [2022-11-02 20:50:31,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:50:31" (1/1) ... [2022-11-02 20:50:31,069 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:50:31,091 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:50:31,492 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_9c5950f3-56a3-4dbe-8b5a-bb347baf57db/sv-benchmarks/c/weaver/unroll-4.wvr.c[2572,2585] [2022-11-02 20:50:31,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:50:31,529 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:50:31,608 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_9c5950f3-56a3-4dbe-8b5a-bb347baf57db/sv-benchmarks/c/weaver/unroll-4.wvr.c[2572,2585] [2022-11-02 20:50:31,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:50:31,639 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:50:31,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:31 WrapperNode [2022-11-02 20:50:31,640 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:50:31,642 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:50:31,642 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:50:31,642 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:50:31,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:31" (1/1) ... [2022-11-02 20:50:31,674 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:31" (1/1) ... [2022-11-02 20:50:31,720 INFO L138 Inliner]: procedures = 24, calls = 36, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 312 [2022-11-02 20:50:31,721 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:50:31,722 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:50:31,722 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:50:31,722 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:50:31,734 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:31" (1/1) ... [2022-11-02 20:50:31,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:31" (1/1) ... [2022-11-02 20:50:31,747 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:31" (1/1) ... [2022-11-02 20:50:31,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:31" (1/1) ... [2022-11-02 20:50:31,790 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:31" (1/1) ... [2022-11-02 20:50:31,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:31" (1/1) ... [2022-11-02 20:50:31,798 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:31" (1/1) ... [2022-11-02 20:50:31,800 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:31" (1/1) ... [2022-11-02 20:50:31,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:50:31,828 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:50:31,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:50:31,830 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:50:31,838 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:31" (1/1) ... [2022-11-02 20:50:31,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:50:31,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5950f3-56a3-4dbe-8b5a-bb347baf57db/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:50:31,899 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5950f3-56a3-4dbe-8b5a-bb347baf57db/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:50:31,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5950f3-56a3-4dbe-8b5a-bb347baf57db/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:50:31,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:50:31,970 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-02 20:50:31,971 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-02 20:50:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-02 20:50:31,971 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-02 20:50:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:50:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:50:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:50:31,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:50:31,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:50:31,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:50:31,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:50:31,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:50:31,977 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-02 20:50:32,185 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:50:32,188 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:50:32,990 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:50:33,007 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:50:33,007 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-02 20:50:33,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:50:33 BoogieIcfgContainer [2022-11-02 20:50:33,012 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:50:33,015 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:50:33,015 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:50:33,030 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:50:33,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:50:31" (1/3) ... [2022-11-02 20:50:33,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@725247d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:50:33, skipping insertion in model container [2022-11-02 20:50:33,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:31" (2/3) ... [2022-11-02 20:50:33,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@725247d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:50:33, skipping insertion in model container [2022-11-02 20:50:33,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:50:33" (3/3) ... [2022-11-02 20:50:33,034 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-4.wvr.c [2022-11-02 20:50:33,046 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-02 20:50:33,058 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:50:33,058 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 48 error locations. [2022-11-02 20:50:33,058 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-02 20:50:33,222 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-02 20:50:33,281 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 395 places, 409 transitions, 834 flow [2022-11-02 20:50:33,524 INFO L130 PetriNetUnfolder]: 21/407 cut-off events. [2022-11-02 20:50:33,525 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-02 20:50:33,536 INFO L83 FinitePrefix]: Finished finitePrefix Result has 416 conditions, 407 events. 21/407 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 547 event pairs, 0 based on Foata normal form. 0/338 useless extension candidates. Maximal degree in co-relation 262. Up to 2 conditions per place. [2022-11-02 20:50:33,537 INFO L82 GeneralOperation]: Start removeDead. Operand has 395 places, 409 transitions, 834 flow [2022-11-02 20:50:33,580 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 376 places, 389 transitions, 790 flow [2022-11-02 20:50:33,602 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:50:33,617 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;@7b513f81, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:50:33,617 INFO L358 AbstractCegarLoop]: Starting to check reachability of 87 error locations. [2022-11-02 20:50:33,622 INFO L130 PetriNetUnfolder]: 0/22 cut-off events. [2022-11-02 20:50:33,623 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-02 20:50:33,623 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:50:33,624 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] [2022-11-02 20:50:33,625 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-02 20:50:33,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:50:33,635 INFO L85 PathProgramCache]: Analyzing trace with hash -829400466, now seen corresponding path program 1 times [2022-11-02 20:50:33,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:50:33,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806782651] [2022-11-02 20:50:33,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:50:33,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:50:33,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:33,898 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 20:50:33,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:50:33,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806782651] [2022-11-02 20:50:33,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806782651] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:50:33,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:50:33,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:50:33,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001804039] [2022-11-02 20:50:33,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:50:33,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:50:33,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:50:33,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:50:33,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:50:33,980 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 376 out of 409 [2022-11-02 20:50:33,990 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 389 transitions, 790 flow. Second operand has 3 states, 3 states have (on average 377.3333333333333) internal successors, (1132), 3 states have internal predecessors, (1132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:33,990 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:50:33,991 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 376 of 409 [2022-11-02 20:50:33,992 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:50:34,534 INFO L130 PetriNetUnfolder]: 49/1238 cut-off events. [2022-11-02 20:50:34,534 INFO L131 PetriNetUnfolder]: For 32/62 co-relation queries the response was YES. [2022-11-02 20:50:34,546 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1313 conditions, 1238 events. 49/1238 cut-off events. For 32/62 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 5897 event pairs, 15 based on Foata normal form. 28/1018 useless extension candidates. Maximal degree in co-relation 1105. Up to 55 conditions per place. [2022-11-02 20:50:34,555 INFO L137 encePairwiseOnDemand]: 394/409 looper letters, 16 selfloop transitions, 2 changer transitions 4/376 dead transitions. [2022-11-02 20:50:34,555 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 377 places, 376 transitions, 800 flow [2022-11-02 20:50:34,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:50:34,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:50:34,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1159 transitions. [2022-11-02 20:50:34,592 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9445802770986145 [2022-11-02 20:50:34,593 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1159 transitions. [2022-11-02 20:50:34,594 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1159 transitions. [2022-11-02 20:50:34,600 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:50:34,603 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1159 transitions. [2022-11-02 20:50:34,612 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 386.3333333333333) internal successors, (1159), 3 states have internal predecessors, (1159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:34,626 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:34,628 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:34,630 INFO L175 Difference]: Start difference. First operand has 376 places, 389 transitions, 790 flow. Second operand 3 states and 1159 transitions. [2022-11-02 20:50:34,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 377 places, 376 transitions, 800 flow [2022-11-02 20:50:34,643 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 373 places, 376 transitions, 792 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-02 20:50:34,655 INFO L231 Difference]: Finished difference. Result has 373 places, 372 transitions, 752 flow [2022-11-02 20:50:34,658 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=756, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=376, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=374, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=752, PETRI_PLACES=373, PETRI_TRANSITIONS=372} [2022-11-02 20:50:34,663 INFO L287 CegarLoopForPetriNet]: 376 programPoint places, -3 predicate places. [2022-11-02 20:50:34,663 INFO L495 AbstractCegarLoop]: Abstraction has has 373 places, 372 transitions, 752 flow [2022-11-02 20:50:34,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 377.3333333333333) internal successors, (1132), 3 states have internal predecessors, (1132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:34,665 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:50:34,665 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] [2022-11-02 20:50:34,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:50:34,667 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-02 20:50:34,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:50:34,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1542791520, now seen corresponding path program 1 times [2022-11-02 20:50:34,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:50:34,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480774287] [2022-11-02 20:50:34,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:50:34,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:50:34,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:34,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:50:34,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:50:34,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480774287] [2022-11-02 20:50:34,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480774287] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:50:34,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:50:34,807 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:50:34,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131228567] [2022-11-02 20:50:34,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:50:34,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:50:34,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:50:34,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:50:34,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:50:34,813 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 364 out of 409 [2022-11-02 20:50:34,815 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 373 places, 372 transitions, 752 flow. Second operand has 3 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:34,815 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:50:34,815 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 364 of 409 [2022-11-02 20:50:34,816 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:50:35,342 INFO L130 PetriNetUnfolder]: 120/1478 cut-off events. [2022-11-02 20:50:35,342 INFO L131 PetriNetUnfolder]: For 28/28 co-relation queries the response was YES. [2022-11-02 20:50:35,356 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1659 conditions, 1478 events. 120/1478 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 7386 event pairs, 51 based on Foata normal form. 0/1172 useless extension candidates. Maximal degree in co-relation 1628. Up to 170 conditions per place. [2022-11-02 20:50:35,368 INFO L137 encePairwiseOnDemand]: 406/409 looper letters, 28 selfloop transitions, 2 changer transitions 0/371 dead transitions. [2022-11-02 20:50:35,369 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 370 places, 371 transitions, 810 flow [2022-11-02 20:50:35,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:50:35,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:50:35,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1123 transitions. [2022-11-02 20:50:35,375 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9152404237978811 [2022-11-02 20:50:35,376 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1123 transitions. [2022-11-02 20:50:35,376 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1123 transitions. [2022-11-02 20:50:35,377 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:50:35,378 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1123 transitions. [2022-11-02 20:50:35,382 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 374.3333333333333) internal successors, (1123), 3 states have internal predecessors, (1123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:35,386 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:35,388 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:35,388 INFO L175 Difference]: Start difference. First operand has 373 places, 372 transitions, 752 flow. Second operand 3 states and 1123 transitions. [2022-11-02 20:50:35,388 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 370 places, 371 transitions, 810 flow [2022-11-02 20:50:35,393 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 371 transitions, 806 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:50:35,405 INFO L231 Difference]: Finished difference. Result has 368 places, 371 transitions, 750 flow [2022-11-02 20:50:35,406 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=746, PETRI_DIFFERENCE_MINUEND_PLACES=366, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=371, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=369, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=750, PETRI_PLACES=368, PETRI_TRANSITIONS=371} [2022-11-02 20:50:35,407 INFO L287 CegarLoopForPetriNet]: 376 programPoint places, -8 predicate places. [2022-11-02 20:50:35,408 INFO L495 AbstractCegarLoop]: Abstraction has has 368 places, 371 transitions, 750 flow [2022-11-02 20:50:35,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:35,409 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:50:35,410 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] [2022-11-02 20:50:35,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:50:35,411 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-02 20:50:35,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:50:35,415 INFO L85 PathProgramCache]: Analyzing trace with hash 824047622, now seen corresponding path program 1 times [2022-11-02 20:50:35,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:50:35,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452552117] [2022-11-02 20:50:35,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:50:35,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:50:35,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:35,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:50:35,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:50:35,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452552117] [2022-11-02 20:50:35,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452552117] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:50:35,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:50:35,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:50:35,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427600060] [2022-11-02 20:50:35,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:50:35,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:50:35,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:50:35,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:50:35,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:50:35,520 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 409 [2022-11-02 20:50:35,523 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 368 places, 371 transitions, 750 flow. Second operand has 3 states, 3 states have (on average 368.3333333333333) internal successors, (1105), 3 states have internal predecessors, (1105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:35,523 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:50:35,524 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 409 [2022-11-02 20:50:35,524 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:50:35,923 INFO L130 PetriNetUnfolder]: 79/1238 cut-off events. [2022-11-02 20:50:35,924 INFO L131 PetriNetUnfolder]: For 21/21 co-relation queries the response was YES. [2022-11-02 20:50:35,938 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1346 conditions, 1238 events. 79/1238 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 5631 event pairs, 26 based on Foata normal form. 0/1014 useless extension candidates. Maximal degree in co-relation 1307. Up to 97 conditions per place. [2022-11-02 20:50:35,948 INFO L137 encePairwiseOnDemand]: 401/409 looper letters, 19 selfloop transitions, 1 changer transitions 0/364 dead transitions. [2022-11-02 20:50:35,948 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 363 places, 364 transitions, 776 flow [2022-11-02 20:50:35,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:50:35,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:50:35,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1128 transitions. [2022-11-02 20:50:35,952 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9193154034229829 [2022-11-02 20:50:35,953 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1128 transitions. [2022-11-02 20:50:35,953 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1128 transitions. [2022-11-02 20:50:35,954 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:50:35,954 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1128 transitions. [2022-11-02 20:50:35,958 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 376.0) internal successors, (1128), 3 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:35,961 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:35,963 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:35,963 INFO L175 Difference]: Start difference. First operand has 368 places, 371 transitions, 750 flow. Second operand 3 states and 1128 transitions. [2022-11-02 20:50:35,964 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 363 places, 364 transitions, 776 flow [2022-11-02 20:50:35,967 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 361 places, 364 transitions, 772 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:50:36,008 INFO L231 Difference]: Finished difference. Result has 361 places, 364 transitions, 734 flow [2022-11-02 20:50:36,009 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=732, PETRI_DIFFERENCE_MINUEND_PLACES=359, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=364, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=363, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=734, PETRI_PLACES=361, PETRI_TRANSITIONS=364} [2022-11-02 20:50:36,012 INFO L287 CegarLoopForPetriNet]: 376 programPoint places, -15 predicate places. [2022-11-02 20:50:36,012 INFO L495 AbstractCegarLoop]: Abstraction has has 361 places, 364 transitions, 734 flow [2022-11-02 20:50:36,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 368.3333333333333) internal successors, (1105), 3 states have internal predecessors, (1105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:36,014 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:50:36,014 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] [2022-11-02 20:50:36,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:50:36,014 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-02 20:50:36,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:50:36,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1376666492, now seen corresponding path program 1 times [2022-11-02 20:50:36,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:50:36,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188383629] [2022-11-02 20:50:36,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:50:36,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:50:36,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:36,197 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 20:50:36,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:50:36,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188383629] [2022-11-02 20:50:36,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188383629] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:50:36,198 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:50:36,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:50:36,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77476902] [2022-11-02 20:50:36,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:50:36,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:50:36,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:50:36,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:50:36,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:50:36,209 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 409 [2022-11-02 20:50:36,211 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 361 places, 364 transitions, 734 flow. Second operand has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:36,211 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:50:36,211 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 409 [2022-11-02 20:50:36,211 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:50:36,556 INFO L130 PetriNetUnfolder]: 108/1275 cut-off events. [2022-11-02 20:50:36,557 INFO L131 PetriNetUnfolder]: For 28/28 co-relation queries the response was YES. [2022-11-02 20:50:36,566 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1440 conditions, 1275 events. 108/1275 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 6039 event pairs, 51 based on Foata normal form. 0/1047 useless extension candidates. Maximal degree in co-relation 1402. Up to 155 conditions per place. [2022-11-02 20:50:36,577 INFO L137 encePairwiseOnDemand]: 406/409 looper letters, 22 selfloop transitions, 2 changer transitions 0/363 dead transitions. [2022-11-02 20:50:36,577 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 362 places, 363 transitions, 780 flow [2022-11-02 20:50:36,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:50:36,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:50:36,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1135 transitions. [2022-11-02 20:50:36,581 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9250203748981255 [2022-11-02 20:50:36,581 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1135 transitions. [2022-11-02 20:50:36,581 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1135 transitions. [2022-11-02 20:50:36,583 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:50:36,584 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1135 transitions. [2022-11-02 20:50:36,592 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 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 20:50:36,595 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:36,597 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:36,597 INFO L175 Difference]: Start difference. First operand has 361 places, 364 transitions, 734 flow. Second operand 3 states and 1135 transitions. [2022-11-02 20:50:36,597 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 362 places, 363 transitions, 780 flow [2022-11-02 20:50:36,601 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 361 places, 363 transitions, 779 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 20:50:36,607 INFO L231 Difference]: Finished difference. Result has 361 places, 363 transitions, 735 flow [2022-11-02 20:50:36,608 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=731, PETRI_DIFFERENCE_MINUEND_PLACES=359, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=363, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=361, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=735, PETRI_PLACES=361, PETRI_TRANSITIONS=363} [2022-11-02 20:50:36,610 INFO L287 CegarLoopForPetriNet]: 376 programPoint places, -15 predicate places. [2022-11-02 20:50:36,617 INFO L495 AbstractCegarLoop]: Abstraction has has 361 places, 363 transitions, 735 flow [2022-11-02 20:50:36,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:36,618 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:50:36,618 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:50:36,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:50:36,619 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-02 20:50:36,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:50:36,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1995673666, now seen corresponding path program 1 times [2022-11-02 20:50:36,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:50:36,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507289938] [2022-11-02 20:50:36,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:50:36,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:50:36,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:37,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:50:37,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:50:37,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507289938] [2022-11-02 20:50:37,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507289938] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:50:37,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:50:37,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:50:37,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209587795] [2022-11-02 20:50:37,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:50:37,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:50:37,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:50:37,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:50:37,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:50:37,422 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 332 out of 409 [2022-11-02 20:50:37,426 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 361 places, 363 transitions, 735 flow. Second operand has 6 states, 6 states have (on average 333.8333333333333) internal successors, (2003), 6 states have internal predecessors, (2003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:37,426 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:50:37,427 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 332 of 409 [2022-11-02 20:50:37,427 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:50:41,100 INFO L130 PetriNetUnfolder]: 2724/13352 cut-off events. [2022-11-02 20:50:41,100 INFO L131 PetriNetUnfolder]: For 49/49 co-relation queries the response was YES. [2022-11-02 20:50:41,199 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17271 conditions, 13352 events. 2724/13352 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 133624 event pairs, 2226 based on Foata normal form. 0/10833 useless extension candidates. Maximal degree in co-relation 17234. Up to 3901 conditions per place. [2022-11-02 20:50:41,293 INFO L137 encePairwiseOnDemand]: 403/409 looper letters, 57 selfloop transitions, 5 changer transitions 0/362 dead transitions. [2022-11-02 20:50:41,294 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 365 places, 362 transitions, 857 flow [2022-11-02 20:50:41,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:50:41,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 20:50:41,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2055 transitions. [2022-11-02 20:50:41,301 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8374083129584352 [2022-11-02 20:50:41,302 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2055 transitions. [2022-11-02 20:50:41,302 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2055 transitions. [2022-11-02 20:50:41,304 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:50:41,304 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2055 transitions. [2022-11-02 20:50:41,312 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 342.5) internal successors, (2055), 6 states have internal predecessors, (2055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:41,321 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 409.0) internal successors, (2863), 7 states have internal predecessors, (2863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:41,323 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 409.0) internal successors, (2863), 7 states have internal predecessors, (2863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:41,324 INFO L175 Difference]: Start difference. First operand has 361 places, 363 transitions, 735 flow. Second operand 6 states and 2055 transitions. [2022-11-02 20:50:41,324 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 365 places, 362 transitions, 857 flow [2022-11-02 20:50:41,328 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 363 places, 362 transitions, 853 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:50:41,336 INFO L231 Difference]: Finished difference. Result has 363 places, 362 transitions, 739 flow [2022-11-02 20:50:41,337 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=729, PETRI_DIFFERENCE_MINUEND_PLACES=358, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=362, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=357, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=739, PETRI_PLACES=363, PETRI_TRANSITIONS=362} [2022-11-02 20:50:41,338 INFO L287 CegarLoopForPetriNet]: 376 programPoint places, -13 predicate places. [2022-11-02 20:50:41,338 INFO L495 AbstractCegarLoop]: Abstraction has has 363 places, 362 transitions, 739 flow [2022-11-02 20:50:41,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 333.8333333333333) internal successors, (2003), 6 states have internal predecessors, (2003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:41,340 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:50:41,341 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] [2022-11-02 20:50:41,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:50:41,341 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-02 20:50:41,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:50:41,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1394149354, now seen corresponding path program 1 times [2022-11-02 20:50:41,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:50:41,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682228001] [2022-11-02 20:50:41,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:50:41,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:50:41,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:41,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:50:41,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:50:41,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682228001] [2022-11-02 20:50:41,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682228001] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:50:41,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:50:41,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:50:41,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306734149] [2022-11-02 20:50:41,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:50:41,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:50:41,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:50:41,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:50:41,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:50:41,445 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 379 out of 409 [2022-11-02 20:50:41,448 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 363 places, 362 transitions, 739 flow. Second operand has 3 states, 3 states have (on average 380.3333333333333) internal successors, (1141), 3 states have internal predecessors, (1141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:41,448 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:50:41,448 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 379 of 409 [2022-11-02 20:50:41,449 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:50:41,740 INFO L130 PetriNetUnfolder]: 36/1011 cut-off events. [2022-11-02 20:50:41,741 INFO L131 PetriNetUnfolder]: For 4/20 co-relation queries the response was YES. [2022-11-02 20:50:41,750 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1058 conditions, 1011 events. 36/1011 cut-off events. For 4/20 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 4211 event pairs, 8 based on Foata normal form. 0/842 useless extension candidates. Maximal degree in co-relation 1040. Up to 32 conditions per place. [2022-11-02 20:50:41,755 INFO L137 encePairwiseOnDemand]: 405/409 looper letters, 11 selfloop transitions, 1 changer transitions 0/359 dead transitions. [2022-11-02 20:50:41,755 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 362 places, 359 transitions, 757 flow [2022-11-02 20:50:41,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:50:41,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:50:41,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1152 transitions. [2022-11-02 20:50:41,759 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9388753056234719 [2022-11-02 20:50:41,760 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1152 transitions. [2022-11-02 20:50:41,760 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1152 transitions. [2022-11-02 20:50:41,761 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:50:41,761 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1152 transitions. [2022-11-02 20:50:41,765 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 384.0) internal successors, (1152), 3 states have internal predecessors, (1152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:41,769 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:41,770 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:41,771 INFO L175 Difference]: Start difference. First operand has 363 places, 362 transitions, 739 flow. Second operand 3 states and 1152 transitions. [2022-11-02 20:50:41,771 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 362 places, 359 transitions, 757 flow [2022-11-02 20:50:41,774 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 357 places, 359 transitions, 747 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-02 20:50:41,780 INFO L231 Difference]: Finished difference. Result has 357 places, 359 transitions, 725 flow [2022-11-02 20:50:41,781 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=723, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=358, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=725, PETRI_PLACES=357, PETRI_TRANSITIONS=359} [2022-11-02 20:50:41,782 INFO L287 CegarLoopForPetriNet]: 376 programPoint places, -19 predicate places. [2022-11-02 20:50:41,783 INFO L495 AbstractCegarLoop]: Abstraction has has 357 places, 359 transitions, 725 flow [2022-11-02 20:50:41,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 380.3333333333333) internal successors, (1141), 3 states have internal predecessors, (1141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:41,784 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:50:41,784 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] [2022-11-02 20:50:41,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 20:50:41,785 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-02 20:50:41,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:50:41,786 INFO L85 PathProgramCache]: Analyzing trace with hash -562933195, now seen corresponding path program 1 times [2022-11-02 20:50:41,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:50:41,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762387467] [2022-11-02 20:50:41,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:50:41,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:50:41,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:41,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:50:41,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:50:41,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762387467] [2022-11-02 20:50:41,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762387467] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:50:41,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:50:41,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:50:41,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104802138] [2022-11-02 20:50:41,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:50:41,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:50:41,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:50:41,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:50:41,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:50:41,882 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 376 out of 409 [2022-11-02 20:50:41,883 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 357 places, 359 transitions, 725 flow. Second operand has 3 states, 3 states have (on average 377.0) internal successors, (1131), 3 states have internal predecessors, (1131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:41,884 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:50:41,884 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 376 of 409 [2022-11-02 20:50:41,884 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:50:42,139 INFO L130 PetriNetUnfolder]: 40/1162 cut-off events. [2022-11-02 20:50:42,140 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-02 20:50:42,149 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1214 conditions, 1162 events. 40/1162 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 5274 event pairs, 5 based on Foata normal form. 0/978 useless extension candidates. Maximal degree in co-relation 1177. Up to 22 conditions per place. [2022-11-02 20:50:42,154 INFO L137 encePairwiseOnDemand]: 402/409 looper letters, 13 selfloop transitions, 3 changer transitions 0/356 dead transitions. [2022-11-02 20:50:42,154 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 355 places, 356 transitions, 752 flow [2022-11-02 20:50:42,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:50:42,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:50:42,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1148 transitions. [2022-11-02 20:50:42,159 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9356153219233904 [2022-11-02 20:50:42,159 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1148 transitions. [2022-11-02 20:50:42,159 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1148 transitions. [2022-11-02 20:50:42,160 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:50:42,160 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1148 transitions. [2022-11-02 20:50:42,163 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 382.6666666666667) internal successors, (1148), 3 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:42,167 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:42,171 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:42,171 INFO L175 Difference]: Start difference. First operand has 357 places, 359 transitions, 725 flow. Second operand 3 states and 1148 transitions. [2022-11-02 20:50:42,171 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 355 places, 356 transitions, 752 flow [2022-11-02 20:50:42,175 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 354 places, 356 transitions, 751 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 20:50:42,180 INFO L231 Difference]: Finished difference. Result has 354 places, 355 transitions, 722 flow [2022-11-02 20:50:42,181 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=716, PETRI_DIFFERENCE_MINUEND_PLACES=352, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=355, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=352, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=722, PETRI_PLACES=354, PETRI_TRANSITIONS=355} [2022-11-02 20:50:42,183 INFO L287 CegarLoopForPetriNet]: 376 programPoint places, -22 predicate places. [2022-11-02 20:50:42,183 INFO L495 AbstractCegarLoop]: Abstraction has has 354 places, 355 transitions, 722 flow [2022-11-02 20:50:42,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 377.0) internal successors, (1131), 3 states have internal predecessors, (1131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:42,184 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:50:42,185 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] [2022-11-02 20:50:42,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-02 20:50:42,185 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-02 20:50:42,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:50:42,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1082579597, now seen corresponding path program 1 times [2022-11-02 20:50:42,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:50:42,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380499255] [2022-11-02 20:50:42,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:50:42,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:50:42,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:42,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:50:42,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:50:42,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380499255] [2022-11-02 20:50:42,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380499255] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:50:42,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:50:42,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:50:42,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508367696] [2022-11-02 20:50:42,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:50:42,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:50:42,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:50:42,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:50:42,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:50:42,253 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 340 out of 409 [2022-11-02 20:50:42,255 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 354 places, 355 transitions, 722 flow. Second operand has 3 states, 3 states have (on average 341.3333333333333) internal successors, (1024), 3 states have internal predecessors, (1024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:42,255 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:50:42,255 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 340 of 409 [2022-11-02 20:50:42,256 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:50:42,445 INFO L130 PetriNetUnfolder]: 50/554 cut-off events. [2022-11-02 20:50:42,446 INFO L131 PetriNetUnfolder]: For 39/39 co-relation queries the response was YES. [2022-11-02 20:50:42,450 INFO L83 FinitePrefix]: Finished finitePrefix Result has 679 conditions, 554 events. 50/554 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2035 event pairs, 23 based on Foata normal form. 1/502 useless extension candidates. Maximal degree in co-relation 642. Up to 74 conditions per place. [2022-11-02 20:50:42,452 INFO L137 encePairwiseOnDemand]: 387/409 looper letters, 32 selfloop transitions, 8 changer transitions 5/343 dead transitions. [2022-11-02 20:50:42,453 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 343 places, 343 transitions, 783 flow [2022-11-02 20:50:42,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:50:42,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:50:42,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1075 transitions. [2022-11-02 20:50:42,457 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.876120619396903 [2022-11-02 20:50:42,457 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1075 transitions. [2022-11-02 20:50:42,457 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1075 transitions. [2022-11-02 20:50:42,458 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:50:42,463 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1075 transitions. [2022-11-02 20:50:42,466 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:42,470 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:42,471 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:42,471 INFO L175 Difference]: Start difference. First operand has 354 places, 355 transitions, 722 flow. Second operand 3 states and 1075 transitions. [2022-11-02 20:50:42,472 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 343 places, 343 transitions, 783 flow [2022-11-02 20:50:42,475 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 341 places, 343 transitions, 777 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:50:42,481 INFO L231 Difference]: Finished difference. Result has 341 places, 337 transitions, 695 flow [2022-11-02 20:50:42,482 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=690, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=342, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=334, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=695, PETRI_PLACES=341, PETRI_TRANSITIONS=337} [2022-11-02 20:50:42,483 INFO L287 CegarLoopForPetriNet]: 376 programPoint places, -35 predicate places. [2022-11-02 20:50:42,483 INFO L495 AbstractCegarLoop]: Abstraction has has 341 places, 337 transitions, 695 flow [2022-11-02 20:50:42,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 341.3333333333333) internal successors, (1024), 3 states have internal predecessors, (1024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:42,484 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:50:42,485 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] [2022-11-02 20:50:42,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-02 20:50:42,485 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-02 20:50:42,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:50:42,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1040817545, now seen corresponding path program 1 times [2022-11-02 20:50:42,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:50:42,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823231804] [2022-11-02 20:50:42,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:50:42,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:50:42,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:43,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:50:43,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:50:43,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823231804] [2022-11-02 20:50:43,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823231804] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:50:43,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:50:43,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:50:43,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543399005] [2022-11-02 20:50:43,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:50:43,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:50:43,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:50:43,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:50:43,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:50:43,131 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 337 out of 409 [2022-11-02 20:50:43,134 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 341 places, 337 transitions, 695 flow. Second operand has 6 states, 6 states have (on average 338.8333333333333) internal successors, (2033), 6 states have internal predecessors, (2033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:43,134 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:50:43,135 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 337 of 409 [2022-11-02 20:50:43,135 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:50:45,607 INFO L130 PetriNetUnfolder]: 2603/8429 cut-off events. [2022-11-02 20:50:45,608 INFO L131 PetriNetUnfolder]: For 25/75 co-relation queries the response was YES. [2022-11-02 20:50:45,656 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12505 conditions, 8429 events. 2603/8429 cut-off events. For 25/75 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 70153 event pairs, 612 based on Foata normal form. 25/7369 useless extension candidates. Maximal degree in co-relation 12466. Up to 1425 conditions per place. [2022-11-02 20:50:45,698 INFO L137 encePairwiseOnDemand]: 404/409 looper letters, 169 selfloop transitions, 4 changer transitions 0/456 dead transitions. [2022-11-02 20:50:45,698 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 456 transitions, 1279 flow [2022-11-02 20:50:45,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:50:45,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 20:50:45,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2196 transitions. [2022-11-02 20:50:45,705 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8948655256723717 [2022-11-02 20:50:45,831 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2196 transitions. [2022-11-02 20:50:45,831 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2196 transitions. [2022-11-02 20:50:45,834 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:50:45,834 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2196 transitions. [2022-11-02 20:50:45,841 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 366.0) internal successors, (2196), 6 states have internal predecessors, (2196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:45,860 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 409.0) internal successors, (2863), 7 states have internal predecessors, (2863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:45,871 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 409.0) internal successors, (2863), 7 states have internal predecessors, (2863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:45,872 INFO L175 Difference]: Start difference. First operand has 341 places, 337 transitions, 695 flow. Second operand 6 states and 2196 transitions. [2022-11-02 20:50:45,872 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 456 transitions, 1279 flow [2022-11-02 20:50:45,878 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 338 places, 456 transitions, 1263 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:50:45,887 INFO L231 Difference]: Finished difference. Result has 338 places, 336 transitions, 685 flow [2022-11-02 20:50:45,889 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=677, PETRI_DIFFERENCE_MINUEND_PLACES=333, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=336, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=332, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=685, PETRI_PLACES=338, PETRI_TRANSITIONS=336} [2022-11-02 20:50:45,889 INFO L287 CegarLoopForPetriNet]: 376 programPoint places, -38 predicate places. [2022-11-02 20:50:45,890 INFO L495 AbstractCegarLoop]: Abstraction has has 338 places, 336 transitions, 685 flow [2022-11-02 20:50:45,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 338.8333333333333) internal successors, (2033), 6 states have internal predecessors, (2033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:45,891 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:50:45,892 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] [2022-11-02 20:50:45,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-02 20:50:45,892 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-02 20:50:45,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:50:45,893 INFO L85 PathProgramCache]: Analyzing trace with hash 899767559, now seen corresponding path program 1 times [2022-11-02 20:50:45,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:50:45,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513782419] [2022-11-02 20:50:45,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:50:45,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:50:45,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:45,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:50:45,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:50:45,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513782419] [2022-11-02 20:50:45,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513782419] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:50:45,975 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:50:45,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:50:45,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380809744] [2022-11-02 20:50:45,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:50:45,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:50:45,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:50:45,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:50:45,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:50:45,983 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 373 out of 409 [2022-11-02 20:50:45,985 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 338 places, 336 transitions, 685 flow. Second operand has 3 states, 3 states have (on average 374.6666666666667) internal successors, (1124), 3 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:45,985 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:50:45,986 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 373 of 409 [2022-11-02 20:50:45,986 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:50:46,268 INFO L130 PetriNetUnfolder]: 71/1011 cut-off events. [2022-11-02 20:50:46,268 INFO L131 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2022-11-02 20:50:46,278 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1115 conditions, 1011 events. 71/1011 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 4145 event pairs, 8 based on Foata normal form. 0/914 useless extension candidates. Maximal degree in co-relation 1078. Up to 86 conditions per place. [2022-11-02 20:50:46,283 INFO L137 encePairwiseOnDemand]: 402/409 looper letters, 17 selfloop transitions, 2 changer transitions 0/335 dead transitions. [2022-11-02 20:50:46,283 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 335 places, 335 transitions, 723 flow [2022-11-02 20:50:46,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:50:46,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:50:46,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1143 transitions. [2022-11-02 20:50:46,288 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9315403422982885 [2022-11-02 20:50:46,288 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1143 transitions. [2022-11-02 20:50:46,288 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1143 transitions. [2022-11-02 20:50:46,290 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:50:46,290 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1143 transitions. [2022-11-02 20:50:46,294 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 20:50:46,298 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:46,299 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:46,299 INFO L175 Difference]: Start difference. First operand has 338 places, 336 transitions, 685 flow. Second operand 3 states and 1143 transitions. [2022-11-02 20:50:46,299 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 335 places, 335 transitions, 723 flow [2022-11-02 20:50:46,303 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 331 places, 335 transitions, 716 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-02 20:50:46,311 INFO L231 Difference]: Finished difference. Result has 332 places, 333 transitions, 682 flow [2022-11-02 20:50:46,313 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=668, PETRI_DIFFERENCE_MINUEND_PLACES=329, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=331, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=329, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=682, PETRI_PLACES=332, PETRI_TRANSITIONS=333} [2022-11-02 20:50:46,316 INFO L287 CegarLoopForPetriNet]: 376 programPoint places, -44 predicate places. [2022-11-02 20:50:46,316 INFO L495 AbstractCegarLoop]: Abstraction has has 332 places, 333 transitions, 682 flow [2022-11-02 20:50:46,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 374.6666666666667) internal successors, (1124), 3 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:46,317 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:50:46,318 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] [2022-11-02 20:50:46,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-02 20:50:46,318 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-02 20:50:46,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:50:46,319 INFO L85 PathProgramCache]: Analyzing trace with hash -623016531, now seen corresponding path program 1 times [2022-11-02 20:50:46,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:50:46,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878668411] [2022-11-02 20:50:46,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:50:46,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:50:46,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:46,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:50:46,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:50:46,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878668411] [2022-11-02 20:50:46,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878668411] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:50:46,542 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:50:46,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:50:46,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32831413] [2022-11-02 20:50:46,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:50:46,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:50:46,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:50:46,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:50:46,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:50:46,548 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 375 out of 409 [2022-11-02 20:50:46,551 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 332 places, 333 transitions, 682 flow. Second operand has 4 states, 4 states have (on average 378.0) internal successors, (1512), 4 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:46,551 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:50:46,551 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 375 of 409 [2022-11-02 20:50:46,552 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:50:47,049 INFO L130 PetriNetUnfolder]: 71/1574 cut-off events. [2022-11-02 20:50:47,049 INFO L131 PetriNetUnfolder]: For 2/4 co-relation queries the response was YES. [2022-11-02 20:50:47,065 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1718 conditions, 1574 events. 71/1574 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 7695 event pairs, 11 based on Foata normal form. 1/1426 useless extension candidates. Maximal degree in co-relation 1680. Up to 42 conditions per place. [2022-11-02 20:50:47,072 INFO L137 encePairwiseOnDemand]: 403/409 looper letters, 29 selfloop transitions, 6 changer transitions 0/350 dead transitions. [2022-11-02 20:50:47,072 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 336 places, 350 transitions, 790 flow [2022-11-02 20:50:47,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:50:47,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-02 20:50:47,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1911 transitions. [2022-11-02 20:50:47,080 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9344743276283619 [2022-11-02 20:50:47,080 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1911 transitions. [2022-11-02 20:50:47,080 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1911 transitions. [2022-11-02 20:50:47,082 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:50:47,082 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1911 transitions. [2022-11-02 20:50:47,089 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 382.2) internal successors, (1911), 5 states have internal predecessors, (1911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:47,095 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 409.0) internal successors, (2454), 6 states have internal predecessors, (2454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:47,097 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 409.0) internal successors, (2454), 6 states have internal predecessors, (2454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:47,097 INFO L175 Difference]: Start difference. First operand has 332 places, 333 transitions, 682 flow. Second operand 5 states and 1911 transitions. [2022-11-02 20:50:47,098 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 336 places, 350 transitions, 790 flow [2022-11-02 20:50:47,104 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 336 places, 350 transitions, 790 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-02 20:50:47,111 INFO L231 Difference]: Finished difference. Result has 339 places, 337 transitions, 720 flow [2022-11-02 20:50:47,112 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=682, PETRI_DIFFERENCE_MINUEND_PLACES=332, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=333, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=328, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=720, PETRI_PLACES=339, PETRI_TRANSITIONS=337} [2022-11-02 20:50:47,113 INFO L287 CegarLoopForPetriNet]: 376 programPoint places, -37 predicate places. [2022-11-02 20:50:47,114 INFO L495 AbstractCegarLoop]: Abstraction has has 339 places, 337 transitions, 720 flow [2022-11-02 20:50:47,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 378.0) internal successors, (1512), 4 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:47,115 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:50:47,116 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:50:47,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-02 20:50:47,116 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-02 20:50:47,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:50:47,118 INFO L85 PathProgramCache]: Analyzing trace with hash 396882759, now seen corresponding path program 1 times [2022-11-02 20:50:47,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:50:47,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271276006] [2022-11-02 20:50:47,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:50:47,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:50:47,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:47,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:50:47,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:50:47,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271276006] [2022-11-02 20:50:47,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271276006] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:50:47,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:50:47,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:50:47,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763232709] [2022-11-02 20:50:47,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:50:47,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:50:47,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:50:47,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:50:47,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:50:47,931 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 337 out of 409 [2022-11-02 20:50:47,935 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 339 places, 337 transitions, 720 flow. Second operand has 6 states, 6 states have (on average 339.8333333333333) internal successors, (2039), 6 states have internal predecessors, (2039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:47,935 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:50:47,935 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 337 of 409 [2022-11-02 20:50:47,935 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:50:52,729 INFO L130 PetriNetUnfolder]: 4362/19808 cut-off events. [2022-11-02 20:50:52,729 INFO L131 PetriNetUnfolder]: For 103/103 co-relation queries the response was YES. [2022-11-02 20:50:52,829 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26949 conditions, 19808 events. 4362/19808 cut-off events. For 103/103 co-relation queries the response was YES. Maximal size of possible extension queue 201. Compared 207526 event pairs, 3600 based on Foata normal form. 0/17751 useless extension candidates. Maximal degree in co-relation 26905. Up to 5907 conditions per place. [2022-11-02 20:50:52,905 INFO L137 encePairwiseOnDemand]: 404/409 looper letters, 144 selfloop transitions, 4 changer transitions 0/432 dead transitions. [2022-11-02 20:50:52,905 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 343 places, 432 transitions, 1206 flow [2022-11-02 20:50:52,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:50:52,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 20:50:52,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2171 transitions. [2022-11-02 20:50:52,911 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.884678076609617 [2022-11-02 20:50:52,912 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2171 transitions. [2022-11-02 20:50:52,912 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2171 transitions. [2022-11-02 20:50:52,914 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:50:52,914 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2171 transitions. [2022-11-02 20:50:52,919 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 361.8333333333333) internal successors, (2171), 6 states have internal predecessors, (2171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:52,926 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 409.0) internal successors, (2863), 7 states have internal predecessors, (2863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:52,927 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 409.0) internal successors, (2863), 7 states have internal predecessors, (2863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:52,928 INFO L175 Difference]: Start difference. First operand has 339 places, 337 transitions, 720 flow. Second operand 6 states and 2171 transitions. [2022-11-02 20:50:52,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 343 places, 432 transitions, 1206 flow [2022-11-02 20:50:52,932 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 343 places, 432 transitions, 1206 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-02 20:50:52,938 INFO L231 Difference]: Finished difference. Result has 343 places, 336 transitions, 726 flow [2022-11-02 20:50:52,939 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=718, PETRI_DIFFERENCE_MINUEND_PLACES=338, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=336, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=332, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=726, PETRI_PLACES=343, PETRI_TRANSITIONS=336} [2022-11-02 20:50:52,940 INFO L287 CegarLoopForPetriNet]: 376 programPoint places, -33 predicate places. [2022-11-02 20:50:52,940 INFO L495 AbstractCegarLoop]: Abstraction has has 343 places, 336 transitions, 726 flow [2022-11-02 20:50:52,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 339.8333333333333) internal successors, (2039), 6 states have internal predecessors, (2039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:52,941 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:50:52,942 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] [2022-11-02 20:50:52,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-02 20:50:52,942 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-02 20:50:52,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:50:52,943 INFO L85 PathProgramCache]: Analyzing trace with hash -369530751, now seen corresponding path program 1 times [2022-11-02 20:50:52,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:50:52,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154431907] [2022-11-02 20:50:52,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:50:52,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:50:52,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:53,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:50:53,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:50:53,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154431907] [2022-11-02 20:50:53,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154431907] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:50:53,556 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:50:53,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:50:53,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611843336] [2022-11-02 20:50:53,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:50:53,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:50:53,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:50:53,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:50:53,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:50:53,560 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 331 out of 409 [2022-11-02 20:50:53,563 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 336 transitions, 726 flow. Second operand has 6 states, 6 states have (on average 333.0) internal successors, (1998), 6 states have internal predecessors, (1998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:53,563 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:50:53,564 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 331 of 409 [2022-11-02 20:50:53,564 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:50:58,497 INFO L130 PetriNetUnfolder]: 6712/19716 cut-off events. [2022-11-02 20:50:58,497 INFO L131 PetriNetUnfolder]: For 2202/2202 co-relation queries the response was YES. [2022-11-02 20:50:58,582 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32340 conditions, 19716 events. 6712/19716 cut-off events. For 2202/2202 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 184976 event pairs, 2803 based on Foata normal form. 0/18023 useless extension candidates. Maximal degree in co-relation 32295. Up to 5120 conditions per place. [2022-11-02 20:50:58,679 INFO L137 encePairwiseOnDemand]: 403/409 looper letters, 191 selfloop transitions, 6 changer transitions 0/471 dead transitions. [2022-11-02 20:50:58,679 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 347 places, 471 transitions, 1398 flow [2022-11-02 20:50:58,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:50:58,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 20:50:58,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2181 transitions. [2022-11-02 20:50:58,687 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8887530562347188 [2022-11-02 20:50:58,687 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2181 transitions. [2022-11-02 20:50:58,687 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2181 transitions. [2022-11-02 20:50:58,689 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:50:58,690 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2181 transitions. [2022-11-02 20:50:58,697 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 363.5) internal successors, (2181), 6 states have internal predecessors, (2181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:58,704 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 409.0) internal successors, (2863), 7 states have internal predecessors, (2863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:58,705 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 409.0) internal successors, (2863), 7 states have internal predecessors, (2863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:58,706 INFO L175 Difference]: Start difference. First operand has 343 places, 336 transitions, 726 flow. Second operand 6 states and 2181 transitions. [2022-11-02 20:50:58,706 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 347 places, 471 transitions, 1398 flow [2022-11-02 20:50:58,713 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 343 places, 471 transitions, 1391 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-02 20:50:58,720 INFO L231 Difference]: Finished difference. Result has 343 places, 335 transitions, 729 flow [2022-11-02 20:50:58,721 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=717, PETRI_DIFFERENCE_MINUEND_PLACES=338, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=335, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=329, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=729, PETRI_PLACES=343, PETRI_TRANSITIONS=335} [2022-11-02 20:50:58,722 INFO L287 CegarLoopForPetriNet]: 376 programPoint places, -33 predicate places. [2022-11-02 20:50:58,722 INFO L495 AbstractCegarLoop]: Abstraction has has 343 places, 335 transitions, 729 flow [2022-11-02 20:50:58,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 333.0) internal successors, (1998), 6 states have internal predecessors, (1998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:58,724 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:50:58,724 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] [2022-11-02 20:50:58,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-02 20:50:58,725 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-02 20:50:58,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:50:58,725 INFO L85 PathProgramCache]: Analyzing trace with hash 851298763, now seen corresponding path program 1 times [2022-11-02 20:50:58,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:50:58,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141233529] [2022-11-02 20:50:58,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:50:58,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:50:58,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:58,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:50:58,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:50:58,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141233529] [2022-11-02 20:50:58,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141233529] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:50:58,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:50:58,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:50:58,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315024243] [2022-11-02 20:50:58,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:50:58,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:50:58,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:50:58,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:50:58,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:50:58,897 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 345 out of 409 [2022-11-02 20:50:58,899 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 335 transitions, 729 flow. Second operand has 4 states, 4 states have (on average 348.25) internal successors, (1393), 4 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:58,900 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:50:58,900 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 345 of 409 [2022-11-02 20:50:58,900 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:50:59,465 INFO L130 PetriNetUnfolder]: 136/1254 cut-off events. [2022-11-02 20:50:59,466 INFO L131 PetriNetUnfolder]: For 114/115 co-relation queries the response was YES. [2022-11-02 20:50:59,476 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1698 conditions, 1254 events. 136/1254 cut-off events. For 114/115 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 7977 event pairs, 4 based on Foata normal form. 0/1148 useless extension candidates. Maximal degree in co-relation 1654. Up to 299 conditions per place. [2022-11-02 20:50:59,480 INFO L137 encePairwiseOnDemand]: 403/409 looper letters, 58 selfloop transitions, 6 changer transitions 0/351 dead transitions. [2022-11-02 20:50:59,480 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 347 places, 351 transitions, 892 flow [2022-11-02 20:50:59,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:50:59,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-02 20:50:59,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1790 transitions. [2022-11-02 20:50:59,490 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8753056234718827 [2022-11-02 20:50:59,490 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1790 transitions. [2022-11-02 20:50:59,490 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1790 transitions. [2022-11-02 20:50:59,492 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:50:59,492 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1790 transitions. [2022-11-02 20:50:59,497 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 358.0) internal successors, (1790), 5 states have internal predecessors, (1790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:59,502 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 409.0) internal successors, (2454), 6 states have internal predecessors, (2454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:59,504 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 409.0) internal successors, (2454), 6 states have internal predecessors, (2454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:59,504 INFO L175 Difference]: Start difference. First operand has 343 places, 335 transitions, 729 flow. Second operand 5 states and 1790 transitions. [2022-11-02 20:50:59,504 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 347 places, 351 transitions, 892 flow [2022-11-02 20:50:59,508 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 342 places, 351 transitions, 880 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-02 20:50:59,513 INFO L231 Difference]: Finished difference. Result has 345 places, 339 transitions, 755 flow [2022-11-02 20:50:59,514 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=717, PETRI_DIFFERENCE_MINUEND_PLACES=338, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=335, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=755, PETRI_PLACES=345, PETRI_TRANSITIONS=339} [2022-11-02 20:50:59,515 INFO L287 CegarLoopForPetriNet]: 376 programPoint places, -31 predicate places. [2022-11-02 20:50:59,515 INFO L495 AbstractCegarLoop]: Abstraction has has 345 places, 339 transitions, 755 flow [2022-11-02 20:50:59,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 348.25) internal successors, (1393), 4 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:59,516 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:50:59,517 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] [2022-11-02 20:50:59,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-02 20:50:59,517 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-02 20:50:59,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:50:59,518 INFO L85 PathProgramCache]: Analyzing trace with hash 132819076, now seen corresponding path program 1 times [2022-11-02 20:50:59,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:50:59,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133535833] [2022-11-02 20:50:59,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:50:59,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:50:59,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:59,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:50:59,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:50:59,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133535833] [2022-11-02 20:50:59,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133535833] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:50:59,577 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:50:59,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:50:59,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293406057] [2022-11-02 20:50:59,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:50:59,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:50:59,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:50:59,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:50:59,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:50:59,580 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 374 out of 409 [2022-11-02 20:50:59,582 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 345 places, 339 transitions, 755 flow. Second operand has 3 states, 3 states have (on average 377.3333333333333) internal successors, (1132), 3 states have internal predecessors, (1132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:59,582 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:50:59,582 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 374 of 409 [2022-11-02 20:50:59,583 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:50:59,737 INFO L130 PetriNetUnfolder]: 40/844 cut-off events. [2022-11-02 20:50:59,737 INFO L131 PetriNetUnfolder]: For 20/22 co-relation queries the response was YES. [2022-11-02 20:50:59,747 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1004 conditions, 844 events. 40/844 cut-off events. For 20/22 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 2427 event pairs, 16 based on Foata normal form. 0/781 useless extension candidates. Maximal degree in co-relation 957. Up to 47 conditions per place. [2022-11-02 20:50:59,749 INFO L137 encePairwiseOnDemand]: 406/409 looper letters, 12 selfloop transitions, 2 changer transitions 0/339 dead transitions. [2022-11-02 20:50:59,750 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 346 places, 339 transitions, 784 flow [2022-11-02 20:50:59,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:50:59,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:50:59,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1137 transitions. [2022-11-02 20:50:59,754 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9266503667481663 [2022-11-02 20:50:59,754 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1137 transitions. [2022-11-02 20:50:59,754 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1137 transitions. [2022-11-02 20:50:59,756 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:50:59,756 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1137 transitions. [2022-11-02 20:50:59,759 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 379.0) internal successors, (1137), 3 states have internal predecessors, (1137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:59,762 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:59,763 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:59,763 INFO L175 Difference]: Start difference. First operand has 345 places, 339 transitions, 755 flow. Second operand 3 states and 1137 transitions. [2022-11-02 20:50:59,764 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 346 places, 339 transitions, 784 flow [2022-11-02 20:50:59,767 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 339 transitions, 784 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-02 20:50:59,772 INFO L231 Difference]: Finished difference. Result has 346 places, 338 transitions, 757 flow [2022-11-02 20:50:59,773 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=753, PETRI_DIFFERENCE_MINUEND_PLACES=344, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=338, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=336, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=757, PETRI_PLACES=346, PETRI_TRANSITIONS=338} [2022-11-02 20:50:59,774 INFO L287 CegarLoopForPetriNet]: 376 programPoint places, -30 predicate places. [2022-11-02 20:50:59,774 INFO L495 AbstractCegarLoop]: Abstraction has has 346 places, 338 transitions, 757 flow [2022-11-02 20:50:59,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 377.3333333333333) internal successors, (1132), 3 states have internal predecessors, (1132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:50:59,775 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:50:59,776 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 20:50:59,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-02 20:50:59,776 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-02 20:50:59,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:50:59,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1108911655, now seen corresponding path program 1 times [2022-11-02 20:50:59,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:50:59,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180927943] [2022-11-02 20:50:59,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:50:59,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:50:59,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:00,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:51:00,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:51:00,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180927943] [2022-11-02 20:51:00,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180927943] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:51:00,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:51:00,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:51:00,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531563450] [2022-11-02 20:51:00,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:51:00,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:51:00,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:51:00,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:51:00,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:51:00,357 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 322 out of 409 [2022-11-02 20:51:00,360 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 346 places, 338 transitions, 757 flow. Second operand has 6 states, 6 states have (on average 324.1666666666667) internal successors, (1945), 6 states have internal predecessors, (1945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:51:00,360 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:51:00,360 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 322 of 409 [2022-11-02 20:51:00,360 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:51:05,610 INFO L130 PetriNetUnfolder]: 6784/23583 cut-off events. [2022-11-02 20:51:05,611 INFO L131 PetriNetUnfolder]: For 1154/1154 co-relation queries the response was YES. [2022-11-02 20:51:05,716 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36462 conditions, 23583 events. 6784/23583 cut-off events. For 1154/1154 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 235000 event pairs, 2396 based on Foata normal form. 0/22217 useless extension candidates. Maximal degree in co-relation 36412. Up to 4404 conditions per place. [2022-11-02 20:51:05,793 INFO L137 encePairwiseOnDemand]: 385/409 looper letters, 113 selfloop transitions, 21 changer transitions 0/402 dead transitions. [2022-11-02 20:51:05,793 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 347 places, 402 transitions, 1165 flow [2022-11-02 20:51:05,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:51:05,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 20:51:05,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2067 transitions. [2022-11-02 20:51:05,801 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8422982885085575 [2022-11-02 20:51:05,801 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2067 transitions. [2022-11-02 20:51:05,801 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2067 transitions. [2022-11-02 20:51:05,803 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:51:05,804 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2067 transitions. [2022-11-02 20:51:05,809 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 344.5) internal successors, (2067), 6 states have internal predecessors, (2067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:51:05,814 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 409.0) internal successors, (2863), 7 states have internal predecessors, (2863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:51:05,816 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 409.0) internal successors, (2863), 7 states have internal predecessors, (2863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:51:05,818 INFO L175 Difference]: Start difference. First operand has 346 places, 338 transitions, 757 flow. Second operand 6 states and 2067 transitions. [2022-11-02 20:51:05,818 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 347 places, 402 transitions, 1165 flow [2022-11-02 20:51:05,825 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 345 places, 402 transitions, 1161 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:51:05,832 INFO L231 Difference]: Finished difference. Result has 345 places, 334 transitions, 787 flow [2022-11-02 20:51:05,832 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=745, PETRI_DIFFERENCE_MINUEND_PLACES=340, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=334, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=313, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=787, PETRI_PLACES=345, PETRI_TRANSITIONS=334} [2022-11-02 20:51:05,833 INFO L287 CegarLoopForPetriNet]: 376 programPoint places, -31 predicate places. [2022-11-02 20:51:05,837 INFO L495 AbstractCegarLoop]: Abstraction has has 345 places, 334 transitions, 787 flow [2022-11-02 20:51:05,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 324.1666666666667) internal successors, (1945), 6 states have internal predecessors, (1945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:51:05,838 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:51:05,838 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 20:51:05,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-02 20:51:05,839 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-02 20:51:05,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:51:05,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1718192988, now seen corresponding path program 1 times [2022-11-02 20:51:05,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:51:05,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892660361] [2022-11-02 20:51:05,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:51:05,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:51:05,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:05,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:51:05,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:51:05,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892660361] [2022-11-02 20:51:05,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892660361] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:51:05,907 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:51:05,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:51:05,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764917318] [2022-11-02 20:51:05,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:51:05,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:51:05,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:51:05,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:51:05,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:51:05,912 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 409 [2022-11-02 20:51:05,913 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 345 places, 334 transitions, 787 flow. Second operand has 3 states, 3 states have (on average 341.6666666666667) internal successors, (1025), 3 states have internal predecessors, (1025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:51:05,914 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:51:05,914 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 409 [2022-11-02 20:51:05,914 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:51:06,245 INFO L130 PetriNetUnfolder]: 118/1195 cut-off events. [2022-11-02 20:51:06,245 INFO L131 PetriNetUnfolder]: For 125/126 co-relation queries the response was YES. [2022-11-02 20:51:06,255 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1725 conditions, 1195 events. 118/1195 cut-off events. For 125/126 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 7224 event pairs, 84 based on Foata normal form. 0/1124 useless extension candidates. Maximal degree in co-relation 1677. Up to 284 conditions per place. [2022-11-02 20:51:06,259 INFO L137 encePairwiseOnDemand]: 406/409 looper letters, 39 selfloop transitions, 2 changer transitions 0/334 dead transitions. [2022-11-02 20:51:06,259 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 346 places, 334 transitions, 870 flow [2022-11-02 20:51:06,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:51:06,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:51:06,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1056 transitions. [2022-11-02 20:51:06,263 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8606356968215159 [2022-11-02 20:51:06,263 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1056 transitions. [2022-11-02 20:51:06,263 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1056 transitions. [2022-11-02 20:51:06,264 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:51:06,264 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1056 transitions. [2022-11-02 20:51:06,266 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 352.0) internal successors, (1056), 3 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:51:06,269 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:51:06,269 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:51:06,270 INFO L175 Difference]: Start difference. First operand has 345 places, 334 transitions, 787 flow. Second operand 3 states and 1056 transitions. [2022-11-02 20:51:06,270 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 346 places, 334 transitions, 870 flow [2022-11-02 20:51:06,273 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 341 places, 334 transitions, 828 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-02 20:51:06,278 INFO L231 Difference]: Finished difference. Result has 341 places, 333 transitions, 747 flow [2022-11-02 20:51:06,278 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=743, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=333, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=331, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=747, PETRI_PLACES=341, PETRI_TRANSITIONS=333} [2022-11-02 20:51:06,279 INFO L287 CegarLoopForPetriNet]: 376 programPoint places, -35 predicate places. [2022-11-02 20:51:06,279 INFO L495 AbstractCegarLoop]: Abstraction has has 341 places, 333 transitions, 747 flow [2022-11-02 20:51:06,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 341.6666666666667) internal successors, (1025), 3 states have internal predecessors, (1025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:51:06,280 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:51:06,280 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] [2022-11-02 20:51:06,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-02 20:51:06,281 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-02 20:51:06,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:51:06,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1437238925, now seen corresponding path program 1 times [2022-11-02 20:51:06,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:51:06,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329759197] [2022-11-02 20:51:06,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:51:06,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:51:06,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:51:06,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:51:06,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329759197] [2022-11-02 20:51:06,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329759197] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:51:06,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:51:06,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:51:06,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139024979] [2022-11-02 20:51:06,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:51:06,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:51:06,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:51:06,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:51:06,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:51:06,355 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 409 [2022-11-02 20:51:06,357 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 341 places, 333 transitions, 747 flow. Second operand has 3 states, 3 states have (on average 343.6666666666667) internal successors, (1031), 3 states have internal predecessors, (1031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:51:06,357 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:51:06,357 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 409 [2022-11-02 20:51:06,357 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:51:06,804 INFO L130 PetriNetUnfolder]: 116/1188 cut-off events. [2022-11-02 20:51:06,805 INFO L131 PetriNetUnfolder]: For 113/114 co-relation queries the response was YES. [2022-11-02 20:51:06,815 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1596 conditions, 1188 events. 116/1188 cut-off events. For 113/114 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 7097 event pairs, 82 based on Foata normal form. 0/1122 useless extension candidates. Maximal degree in co-relation 1548. Up to 277 conditions per place. [2022-11-02 20:51:06,821 INFO L137 encePairwiseOnDemand]: 406/409 looper letters, 38 selfloop transitions, 2 changer transitions 0/333 dead transitions. [2022-11-02 20:51:06,821 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 342 places, 333 transitions, 828 flow [2022-11-02 20:51:06,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:51:06,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:51:06,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1055 transitions. [2022-11-02 20:51:06,825 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8598207008964955 [2022-11-02 20:51:06,825 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1055 transitions. [2022-11-02 20:51:06,826 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1055 transitions. [2022-11-02 20:51:06,826 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:51:06,827 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1055 transitions. [2022-11-02 20:51:06,829 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 351.6666666666667) internal successors, (1055), 3 states have internal predecessors, (1055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:51:06,832 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:51:06,833 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:51:06,834 INFO L175 Difference]: Start difference. First operand has 341 places, 333 transitions, 747 flow. Second operand 3 states and 1055 transitions. [2022-11-02 20:51:06,834 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 342 places, 333 transitions, 828 flow [2022-11-02 20:51:06,837 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 333 transitions, 824 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:51:06,842 INFO L231 Difference]: Finished difference. Result has 340 places, 332 transitions, 745 flow [2022-11-02 20:51:06,843 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=741, PETRI_DIFFERENCE_MINUEND_PLACES=338, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=332, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=745, PETRI_PLACES=340, PETRI_TRANSITIONS=332} [2022-11-02 20:51:06,844 INFO L287 CegarLoopForPetriNet]: 376 programPoint places, -36 predicate places. [2022-11-02 20:51:06,844 INFO L495 AbstractCegarLoop]: Abstraction has has 340 places, 332 transitions, 745 flow [2022-11-02 20:51:06,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 343.6666666666667) internal successors, (1031), 3 states have internal predecessors, (1031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:51:06,845 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:51:06,846 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] [2022-11-02 20:51:06,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-02 20:51:06,846 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-02 20:51:06,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:51:06,847 INFO L85 PathProgramCache]: Analyzing trace with hash 1802768810, now seen corresponding path program 1 times [2022-11-02 20:51:06,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:51:06,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967601878] [2022-11-02 20:51:06,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:51:06,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:51:06,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:51:06,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:51:06,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967601878] [2022-11-02 20:51:06,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967601878] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:51:06,942 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:51:06,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:51:06,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209352025] [2022-11-02 20:51:06,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:51:06,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:51:06,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:51:06,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:51:06,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:51:06,947 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 409 [2022-11-02 20:51:06,949 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 340 places, 332 transitions, 745 flow. Second operand has 3 states, 3 states have (on average 345.6666666666667) internal successors, (1037), 3 states have internal predecessors, (1037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:51:06,949 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:51:06,949 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 409 [2022-11-02 20:51:06,949 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:51:07,286 INFO L130 PetriNetUnfolder]: 114/1181 cut-off events. [2022-11-02 20:51:07,289 INFO L131 PetriNetUnfolder]: For 111/112 co-relation queries the response was YES. [2022-11-02 20:51:07,300 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1582 conditions, 1181 events. 114/1181 cut-off events. For 111/112 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 7035 event pairs, 80 based on Foata normal form. 0/1120 useless extension candidates. Maximal degree in co-relation 1534. Up to 270 conditions per place. [2022-11-02 20:51:07,303 INFO L137 encePairwiseOnDemand]: 406/409 looper letters, 37 selfloop transitions, 2 changer transitions 0/332 dead transitions. [2022-11-02 20:51:07,304 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 332 transitions, 824 flow [2022-11-02 20:51:07,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:51:07,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:51:07,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1054 transitions. [2022-11-02 20:51:07,308 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8590057049714751 [2022-11-02 20:51:07,308 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1054 transitions. [2022-11-02 20:51:07,308 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1054 transitions. [2022-11-02 20:51:07,309 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:51:07,309 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1054 transitions. [2022-11-02 20:51:07,312 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 351.3333333333333) internal successors, (1054), 3 states have internal predecessors, (1054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:51:07,315 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:51:07,316 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:51:07,316 INFO L175 Difference]: Start difference. First operand has 340 places, 332 transitions, 745 flow. Second operand 3 states and 1054 transitions. [2022-11-02 20:51:07,316 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 341 places, 332 transitions, 824 flow [2022-11-02 20:51:07,319 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 339 places, 332 transitions, 820 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:51:07,324 INFO L231 Difference]: Finished difference. Result has 339 places, 331 transitions, 743 flow [2022-11-02 20:51:07,325 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=739, PETRI_DIFFERENCE_MINUEND_PLACES=337, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=331, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=329, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=743, PETRI_PLACES=339, PETRI_TRANSITIONS=331} [2022-11-02 20:51:07,326 INFO L287 CegarLoopForPetriNet]: 376 programPoint places, -37 predicate places. [2022-11-02 20:51:07,326 INFO L495 AbstractCegarLoop]: Abstraction has has 339 places, 331 transitions, 743 flow [2022-11-02 20:51:07,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 345.6666666666667) internal successors, (1037), 3 states have internal predecessors, (1037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:51:07,327 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:51:07,327 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] [2022-11-02 20:51:07,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-02 20:51:07,328 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err28ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-02 20:51:07,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:51:07,329 INFO L85 PathProgramCache]: Analyzing trace with hash 945347585, now seen corresponding path program 1 times [2022-11-02 20:51:07,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:51:07,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615773043] [2022-11-02 20:51:07,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:51:07,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:51:07,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:07,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:51:07,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:51:07,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615773043] [2022-11-02 20:51:07,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615773043] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:51:07,437 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:51:07,437 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:51:07,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273013172] [2022-11-02 20:51:07,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:51:07,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:51:07,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:51:07,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:51:07,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:51:07,441 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 409 [2022-11-02 20:51:07,442 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 339 places, 331 transitions, 743 flow. Second operand has 3 states, 3 states have (on average 347.6666666666667) internal successors, (1043), 3 states have internal predecessors, (1043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:51:07,442 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:51:07,443 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 409 [2022-11-02 20:51:07,443 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:51:07,775 INFO L130 PetriNetUnfolder]: 112/1174 cut-off events. [2022-11-02 20:51:07,776 INFO L131 PetriNetUnfolder]: For 109/110 co-relation queries the response was YES. [2022-11-02 20:51:07,786 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1568 conditions, 1174 events. 112/1174 cut-off events. For 109/110 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 7033 event pairs, 78 based on Foata normal form. 0/1118 useless extension candidates. Maximal degree in co-relation 1520. Up to 263 conditions per place. [2022-11-02 20:51:07,787 INFO L137 encePairwiseOnDemand]: 406/409 looper letters, 0 selfloop transitions, 0 changer transitions 331/331 dead transitions. [2022-11-02 20:51:07,787 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 331 transitions, 820 flow [2022-11-02 20:51:07,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:51:07,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:51:07,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1053 transitions. [2022-11-02 20:51:07,791 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8581907090464548 [2022-11-02 20:51:07,791 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1053 transitions. [2022-11-02 20:51:07,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1053 transitions. [2022-11-02 20:51:07,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:51:07,793 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1053 transitions. [2022-11-02 20:51:07,795 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 351.0) internal successors, (1053), 3 states have internal predecessors, (1053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:51:07,798 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:51:07,799 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:51:07,799 INFO L175 Difference]: Start difference. First operand has 339 places, 331 transitions, 743 flow. Second operand 3 states and 1053 transitions. [2022-11-02 20:51:07,800 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 331 transitions, 820 flow [2022-11-02 20:51:07,803 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 338 places, 331 transitions, 816 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:51:07,806 INFO L231 Difference]: Finished difference. Result has 338 places, 0 transitions, 0 flow [2022-11-02 20:51:07,806 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=737, PETRI_DIFFERENCE_MINUEND_PLACES=336, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=330, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=338, PETRI_TRANSITIONS=0} [2022-11-02 20:51:07,807 INFO L287 CegarLoopForPetriNet]: 376 programPoint places, -38 predicate places. [2022-11-02 20:51:07,807 INFO L495 AbstractCegarLoop]: Abstraction has has 338 places, 0 transitions, 0 flow [2022-11-02 20:51:07,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 347.6666666666667) internal successors, (1043), 3 states have internal predecessors, (1043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:51:07,811 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (86 of 87 remaining) [2022-11-02 20:51:07,812 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (85 of 87 remaining) [2022-11-02 20:51:07,812 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (84 of 87 remaining) [2022-11-02 20:51:07,812 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (83 of 87 remaining) [2022-11-02 20:51:07,813 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (82 of 87 remaining) [2022-11-02 20:51:07,813 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (81 of 87 remaining) [2022-11-02 20:51:07,814 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (80 of 87 remaining) [2022-11-02 20:51:07,814 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (79 of 87 remaining) [2022-11-02 20:51:07,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (78 of 87 remaining) [2022-11-02 20:51:07,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (77 of 87 remaining) [2022-11-02 20:51:07,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (76 of 87 remaining) [2022-11-02 20:51:07,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (75 of 87 remaining) [2022-11-02 20:51:07,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (74 of 87 remaining) [2022-11-02 20:51:07,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (73 of 87 remaining) [2022-11-02 20:51:07,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (72 of 87 remaining) [2022-11-02 20:51:07,817 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (71 of 87 remaining) [2022-11-02 20:51:07,817 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (70 of 87 remaining) [2022-11-02 20:51:07,817 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (69 of 87 remaining) [2022-11-02 20:51:07,818 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (68 of 87 remaining) [2022-11-02 20:51:07,818 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (67 of 87 remaining) [2022-11-02 20:51:07,818 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (66 of 87 remaining) [2022-11-02 20:51:07,818 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (65 of 87 remaining) [2022-11-02 20:51:07,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (64 of 87 remaining) [2022-11-02 20:51:07,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (63 of 87 remaining) [2022-11-02 20:51:07,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (62 of 87 remaining) [2022-11-02 20:51:07,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (61 of 87 remaining) [2022-11-02 20:51:07,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (60 of 87 remaining) [2022-11-02 20:51:07,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (59 of 87 remaining) [2022-11-02 20:51:07,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (58 of 87 remaining) [2022-11-02 20:51:07,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (57 of 87 remaining) [2022-11-02 20:51:07,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (56 of 87 remaining) [2022-11-02 20:51:07,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (55 of 87 remaining) [2022-11-02 20:51:07,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (54 of 87 remaining) [2022-11-02 20:51:07,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (53 of 87 remaining) [2022-11-02 20:51:07,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (52 of 87 remaining) [2022-11-02 20:51:07,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (51 of 87 remaining) [2022-11-02 20:51:07,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (50 of 87 remaining) [2022-11-02 20:51:07,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (49 of 87 remaining) [2022-11-02 20:51:07,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (48 of 87 remaining) [2022-11-02 20:51:07,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (47 of 87 remaining) [2022-11-02 20:51:07,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (46 of 87 remaining) [2022-11-02 20:51:07,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (45 of 87 remaining) [2022-11-02 20:51:07,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (44 of 87 remaining) [2022-11-02 20:51:07,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (43 of 87 remaining) [2022-11-02 20:51:07,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (42 of 87 remaining) [2022-11-02 20:51:07,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (41 of 87 remaining) [2022-11-02 20:51:07,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (40 of 87 remaining) [2022-11-02 20:51:07,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (39 of 87 remaining) [2022-11-02 20:51:07,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (38 of 87 remaining) [2022-11-02 20:51:07,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (37 of 87 remaining) [2022-11-02 20:51:07,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (36 of 87 remaining) [2022-11-02 20:51:07,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (35 of 87 remaining) [2022-11-02 20:51:07,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (34 of 87 remaining) [2022-11-02 20:51:07,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (33 of 87 remaining) [2022-11-02 20:51:07,827 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (32 of 87 remaining) [2022-11-02 20:51:07,827 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (31 of 87 remaining) [2022-11-02 20:51:07,827 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (30 of 87 remaining) [2022-11-02 20:51:07,827 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (29 of 87 remaining) [2022-11-02 20:51:07,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (28 of 87 remaining) [2022-11-02 20:51:07,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (27 of 87 remaining) [2022-11-02 20:51:07,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (26 of 87 remaining) [2022-11-02 20:51:07,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (25 of 87 remaining) [2022-11-02 20:51:07,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (24 of 87 remaining) [2022-11-02 20:51:07,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (23 of 87 remaining) [2022-11-02 20:51:07,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (22 of 87 remaining) [2022-11-02 20:51:07,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (21 of 87 remaining) [2022-11-02 20:51:07,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (20 of 87 remaining) [2022-11-02 20:51:07,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (19 of 87 remaining) [2022-11-02 20:51:07,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (18 of 87 remaining) [2022-11-02 20:51:07,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (17 of 87 remaining) [2022-11-02 20:51:07,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (16 of 87 remaining) [2022-11-02 20:51:07,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (15 of 87 remaining) [2022-11-02 20:51:07,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (14 of 87 remaining) [2022-11-02 20:51:07,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (13 of 87 remaining) [2022-11-02 20:51:07,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (12 of 87 remaining) [2022-11-02 20:51:07,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (11 of 87 remaining) [2022-11-02 20:51:07,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (10 of 87 remaining) [2022-11-02 20:51:07,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (9 of 87 remaining) [2022-11-02 20:51:07,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (8 of 87 remaining) [2022-11-02 20:51:07,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (7 of 87 remaining) [2022-11-02 20:51:07,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (6 of 87 remaining) [2022-11-02 20:51:07,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (5 of 87 remaining) [2022-11-02 20:51:07,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (4 of 87 remaining) [2022-11-02 20:51:07,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (3 of 87 remaining) [2022-11-02 20:51:07,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (2 of 87 remaining) [2022-11-02 20:51:07,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (1 of 87 remaining) [2022-11-02 20:51:07,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (0 of 87 remaining) [2022-11-02 20:51:07,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-02 20:51:07,836 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] [2022-11-02 20:51:07,844 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-02 20:51:07,845 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:51:07,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:51:07 BasicIcfg [2022-11-02 20:51:07,853 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:51:07,854 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:51:07,854 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:51:07,855 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:51:07,855 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:50:33" (3/4) ... [2022-11-02 20:51:07,859 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 20:51:07,867 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-02 20:51:07,867 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-02 20:51:07,875 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-02 20:51:07,876 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-02 20:51:07,876 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-02 20:51:07,876 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:51:07,952 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5950f3-56a3-4dbe-8b5a-bb347baf57db/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:51:07,952 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:51:07,954 INFO L158 Benchmark]: Toolchain (without parser) took 36905.14ms. Allocated memory was 163.6MB in the beginning and 7.9GB in the end (delta: 7.7GB). Free memory was 126.1MB in the beginning and 6.7GB in the end (delta: -6.6GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2022-11-02 20:51:07,954 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 163.6MB. Free memory is still 142.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:51:07,955 INFO L158 Benchmark]: CACSL2BoogieTranslator took 590.25ms. Allocated memory is still 163.6MB. Free memory was 125.9MB in the beginning and 137.1MB in the end (delta: -11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 20:51:07,955 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.47ms. Allocated memory is still 163.6MB. Free memory was 137.1MB in the beginning and 134.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:51:07,955 INFO L158 Benchmark]: Boogie Preprocessor took 104.48ms. Allocated memory is still 163.6MB. Free memory was 133.8MB in the beginning and 130.8MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 20:51:07,956 INFO L158 Benchmark]: RCFGBuilder took 1183.90ms. Allocated memory is still 163.6MB. Free memory was 130.8MB in the beginning and 100.6MB in the end (delta: 30.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-02 20:51:07,956 INFO L158 Benchmark]: TraceAbstraction took 34838.68ms. Allocated memory was 163.6MB in the beginning and 7.9GB in the end (delta: 7.7GB). Free memory was 100.6MB in the beginning and 6.7GB in the end (delta: -6.6GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2022-11-02 20:51:07,957 INFO L158 Benchmark]: Witness Printer took 98.48ms. Allocated memory is still 7.9GB. Free memory was 6.7GB in the beginning and 6.7GB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:51:07,959 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 163.6MB. Free memory is still 142.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 590.25ms. Allocated memory is still 163.6MB. Free memory was 125.9MB in the beginning and 137.1MB in the end (delta: -11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.47ms. Allocated memory is still 163.6MB. Free memory was 137.1MB in the beginning and 134.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 104.48ms. Allocated memory is still 163.6MB. Free memory was 133.8MB in the beginning and 130.8MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1183.90ms. Allocated memory is still 163.6MB. Free memory was 130.8MB in the beginning and 100.6MB in the end (delta: 30.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 34838.68ms. Allocated memory was 163.6MB in the beginning and 7.9GB in the end (delta: 7.7GB). Free memory was 100.6MB in the beginning and 6.7GB in the end (delta: -6.6GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * Witness Printer took 98.48ms. Allocated memory is still 7.9GB. Free memory was 6.7GB in the beginning and 6.7GB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: 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: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: 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: 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: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: 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: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: 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 5 procedures, 622 locations, 87 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: 34.6s, OverallIterations: 20, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 28.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 266 SdHoareTripleChecker+Valid, 3.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 266 mSDsluCounter, 573 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 123 mSDsCounter, 386 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1863 IncrementalHoareTripleChecker+Invalid, 2249 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 386 mSolverCounterUnsat, 531 mSDtfsCounter, 1863 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=790occurred in iteration=0, InterpolantAutomatonStates: 79, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 2068 NumberOfCodeBlocks, 2068 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 2048 ConstructedInterpolants, 0 QuantifiedInterpolants, 2919 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 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 48 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-02 20:51:08,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c5950f3-56a3-4dbe-8b5a-bb347baf57db/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