./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cca1dff-c54d-4ec7-9aaa-0689d5334995/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cca1dff-c54d-4ec7-9aaa-0689d5334995/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cca1dff-c54d-4ec7-9aaa-0689d5334995/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cca1dff-c54d-4ec7-9aaa-0689d5334995/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cca1dff-c54d-4ec7-9aaa-0689d5334995/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cca1dff-c54d-4ec7-9aaa-0689d5334995/bin/uautomizer-TMbwUNV5ro --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 675e4a71573eb5ca191c78078c954ea41743d39a46f0fa586376ee48e7dc4190 --- 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-8393723 [2022-11-18 18:37:37,484 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 18:37:37,487 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 18:37:37,527 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 18:37:37,528 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 18:37:37,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 18:37:37,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 18:37:37,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 18:37:37,540 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 18:37:37,545 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 18:37:37,547 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 18:37:37,548 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 18:37:37,549 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 18:37:37,552 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 18:37:37,553 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 18:37:37,555 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 18:37:37,557 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 18:37:37,558 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 18:37:37,559 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 18:37:37,566 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 18:37:37,568 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 18:37:37,569 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 18:37:37,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 18:37:37,573 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 18:37:37,581 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 18:37:37,582 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 18:37:37,582 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 18:37:37,585 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 18:37:37,586 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 18:37:37,587 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 18:37:37,587 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 18:37:37,589 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 18:37:37,591 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 18:37:37,592 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 18:37:37,593 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 18:37:37,594 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 18:37:37,595 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 18:37:37,595 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 18:37:37,595 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 18:37:37,596 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 18:37:37,597 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 18:37:37,599 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cca1dff-c54d-4ec7-9aaa-0689d5334995/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-18 18:37:37,638 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 18:37:37,638 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 18:37:37,639 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 18:37:37,640 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 18:37:37,641 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 18:37:37,641 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 18:37:37,642 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 18:37:37,642 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 18:37:37,642 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 18:37:37,643 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 18:37:37,644 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 18:37:37,644 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 18:37:37,645 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 18:37:37,645 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 18:37:37,645 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 18:37:37,645 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 18:37:37,646 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 18:37:37,646 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 18:37:37,646 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-18 18:37:37,646 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 18:37:37,647 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 18:37:37,647 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 18:37:37,647 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 18:37:37,647 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 18:37:37,648 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 18:37:37,648 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 18:37:37,650 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:37:37,650 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 18:37:37,650 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 18:37:37,651 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 18:37:37,651 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 18:37:37,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 18:37:37,652 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 18:37:37,652 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 18:37:37,652 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 18:37:37,660 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_8cca1dff-c54d-4ec7-9aaa-0689d5334995/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cca1dff-c54d-4ec7-9aaa-0689d5334995/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 675e4a71573eb5ca191c78078c954ea41743d39a46f0fa586376ee48e7dc4190 [2022-11-18 18:37:37,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 18:37:37,999 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 18:37:38,002 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 18:37:38,004 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 18:37:38,005 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 18:37:38,006 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cca1dff-c54d-4ec7-9aaa-0689d5334995/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c [2022-11-18 18:37:38,081 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cca1dff-c54d-4ec7-9aaa-0689d5334995/bin/uautomizer-TMbwUNV5ro/data/8a09633b8/2e37c30805e14442966325801115ab9a/FLAG41fed392e [2022-11-18 18:37:38,610 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 18:37:38,616 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cca1dff-c54d-4ec7-9aaa-0689d5334995/sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c [2022-11-18 18:37:38,629 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cca1dff-c54d-4ec7-9aaa-0689d5334995/bin/uautomizer-TMbwUNV5ro/data/8a09633b8/2e37c30805e14442966325801115ab9a/FLAG41fed392e [2022-11-18 18:37:38,974 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cca1dff-c54d-4ec7-9aaa-0689d5334995/bin/uautomizer-TMbwUNV5ro/data/8a09633b8/2e37c30805e14442966325801115ab9a [2022-11-18 18:37:38,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 18:37:38,979 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 18:37:38,980 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 18:37:38,981 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 18:37:38,985 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 18:37:38,985 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:37:38" (1/1) ... [2022-11-18 18:37:38,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@535e639b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:37:38, skipping insertion in model container [2022-11-18 18:37:38,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:37:38" (1/1) ... [2022-11-18 18:37:38,994 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 18:37:39,015 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 18:37:39,291 WARN L234 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_8cca1dff-c54d-4ec7-9aaa-0689d5334995/sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c[4351,4364] [2022-11-18 18:37:39,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:37:39,308 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 18:37:39,368 WARN L234 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_8cca1dff-c54d-4ec7-9aaa-0689d5334995/sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c[4351,4364] [2022-11-18 18:37:39,373 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:37:39,400 INFO L208 MainTranslator]: Completed translation [2022-11-18 18:37:39,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:37:39 WrapperNode [2022-11-18 18:37:39,401 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 18:37:39,403 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 18:37:39,406 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 18:37:39,406 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 18:37:39,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:37:39" (1/1) ... [2022-11-18 18:37:39,437 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:37:39" (1/1) ... [2022-11-18 18:37:39,511 INFO L138 Inliner]: procedures = 27, calls = 87, calls flagged for inlining = 22, calls inlined = 28, statements flattened = 680 [2022-11-18 18:37:39,513 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 18:37:39,515 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 18:37:39,515 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 18:37:39,515 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 18:37:39,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:37:39" (1/1) ... [2022-11-18 18:37:39,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:37:39" (1/1) ... [2022-11-18 18:37:39,530 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:37:39" (1/1) ... [2022-11-18 18:37:39,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:37:39" (1/1) ... [2022-11-18 18:37:39,552 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:37:39" (1/1) ... [2022-11-18 18:37:39,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:37:39" (1/1) ... [2022-11-18 18:37:39,562 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:37:39" (1/1) ... [2022-11-18 18:37:39,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:37:39" (1/1) ... [2022-11-18 18:37:39,570 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 18:37:39,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 18:37:39,572 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 18:37:39,572 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 18:37:39,573 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:37:39" (1/1) ... [2022-11-18 18:37:39,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:37:39,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cca1dff-c54d-4ec7-9aaa-0689d5334995/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:37:39,603 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cca1dff-c54d-4ec7-9aaa-0689d5334995/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 18:37:39,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cca1dff-c54d-4ec7-9aaa-0689d5334995/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 18:37:39,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 18:37:39,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 18:37:39,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 18:37:39,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 18:37:39,670 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-18 18:37:39,672 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-18 18:37:39,672 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-18 18:37:39,673 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-18 18:37:39,673 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-18 18:37:39,673 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-18 18:37:39,673 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-18 18:37:39,674 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-18 18:37:39,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 18:37:39,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-18 18:37:39,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-18 18:37:39,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 18:37:39,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 18:37:39,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 18:37:39,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 18:37:39,677 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 18:37:39,911 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 18:37:39,913 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 18:37:40,861 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 18:37:41,604 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 18:37:41,604 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-11-18 18:37:41,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:37:41 BoogieIcfgContainer [2022-11-18 18:37:41,608 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 18:37:41,611 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 18:37:41,611 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 18:37:41,615 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 18:37:41,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 06:37:38" (1/3) ... [2022-11-18 18:37:41,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54cef93a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:37:41, skipping insertion in model container [2022-11-18 18:37:41,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:37:39" (2/3) ... [2022-11-18 18:37:41,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54cef93a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:37:41, skipping insertion in model container [2022-11-18 18:37:41,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:37:41" (3/3) ... [2022-11-18 18:37:41,618 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-series.wvr.c [2022-11-18 18:37:41,628 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 18:37:41,638 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 18:37:41,638 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 103 error locations. [2022-11-18 18:37:41,639 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 18:37:41,869 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-11-18 18:37:41,921 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 455 places, 464 transitions, 960 flow [2022-11-18 18:37:42,183 INFO L130 PetriNetUnfolder]: 22/460 cut-off events. [2022-11-18 18:37:42,183 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-18 18:37:42,193 INFO L83 FinitePrefix]: Finished finitePrefix Result has 477 conditions, 460 events. 22/460 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 643 event pairs, 0 based on Foata normal form. 0/335 useless extension candidates. Maximal degree in co-relation 375. Up to 2 conditions per place. [2022-11-18 18:37:42,193 INFO L82 GeneralOperation]: Start removeDead. Operand has 455 places, 464 transitions, 960 flow [2022-11-18 18:37:42,209 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 430 places, 438 transitions, 900 flow [2022-11-18 18:37:42,229 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 18:37:42,237 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;@2c28ed3b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 18:37:42,238 INFO L358 AbstractCegarLoop]: Starting to check reachability of 186 error locations. [2022-11-18 18:37:42,245 INFO L130 PetriNetUnfolder]: 0/33 cut-off events. [2022-11-18 18:37:42,245 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 18:37:42,246 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:37:42,247 INFO L209 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] [2022-11-18 18:37:42,248 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2022-11-18 18:37:42,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:37:42,255 INFO L85 PathProgramCache]: Analyzing trace with hash 887263834, now seen corresponding path program 1 times [2022-11-18 18:37:42,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:37:42,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497541870] [2022-11-18 18:37:42,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:37:42,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:37:42,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:42,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:37:42,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:37:42,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497541870] [2022-11-18 18:37:42,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497541870] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:37:42,547 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:37:42,547 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:37:42,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703840152] [2022-11-18 18:37:42,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:37:42,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:37:42,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:37:42,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:37:42,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:37:42,606 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 335 out of 464 [2022-11-18 18:37:42,616 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 430 places, 438 transitions, 900 flow. Second operand has 3 states, 3 states have (on average 336.3333333333333) internal successors, (1009), 3 states have internal predecessors, (1009), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:42,617 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:37:42,617 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 335 of 464 [2022-11-18 18:37:42,618 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:37:43,515 INFO L130 PetriNetUnfolder]: 745/1781 cut-off events. [2022-11-18 18:37:43,516 INFO L131 PetriNetUnfolder]: For 293/399 co-relation queries the response was YES. [2022-11-18 18:37:43,523 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2988 conditions, 1781 events. 745/1781 cut-off events. For 293/399 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 9151 event pairs, 485 based on Foata normal form. 267/1818 useless extension candidates. Maximal degree in co-relation 2559. Up to 1013 conditions per place. [2022-11-18 18:37:43,536 INFO L137 encePairwiseOnDemand]: 368/464 looper letters, 31 selfloop transitions, 2 changer transitions 7/344 dead transitions. [2022-11-18 18:37:43,536 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 344 transitions, 778 flow [2022-11-18 18:37:43,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:37:43,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:37:43,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1132 transitions. [2022-11-18 18:37:43,558 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8132183908045977 [2022-11-18 18:37:43,559 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1132 transitions. [2022-11-18 18:37:43,559 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1132 transitions. [2022-11-18 18:37:43,564 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:37:43,567 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1132 transitions. [2022-11-18 18:37:43,573 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 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) [2022-11-18 18:37:43,583 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 464.0) internal successors, (1856), 4 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:43,584 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 464.0) internal successors, (1856), 4 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:43,586 INFO L175 Difference]: Start difference. First operand has 430 places, 438 transitions, 900 flow. Second operand 3 states and 1132 transitions. [2022-11-18 18:37:43,587 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 352 places, 344 transitions, 778 flow [2022-11-18 18:37:43,596 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 344 places, 344 transitions, 762 flow, removed 0 selfloop flow, removed 8 redundant places. [2022-11-18 18:37:43,604 INFO L231 Difference]: Finished difference. Result has 344 places, 337 transitions, 686 flow [2022-11-18 18:37:43,607 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=464, PETRI_DIFFERENCE_MINUEND_FLOW=696, PETRI_DIFFERENCE_MINUEND_PLACES=342, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=344, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=342, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=686, PETRI_PLACES=344, PETRI_TRANSITIONS=337} [2022-11-18 18:37:43,612 INFO L288 CegarLoopForPetriNet]: 430 programPoint places, -86 predicate places. [2022-11-18 18:37:43,612 INFO L495 AbstractCegarLoop]: Abstraction has has 344 places, 337 transitions, 686 flow [2022-11-18 18:37:43,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 336.3333333333333) internal successors, (1009), 3 states have internal predecessors, (1009), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:43,613 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:37:43,614 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:37:43,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 18:37:43,614 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2022-11-18 18:37:43,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:37:43,615 INFO L85 PathProgramCache]: Analyzing trace with hash 1637543402, now seen corresponding path program 1 times [2022-11-18 18:37:43,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:37:43,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211670972] [2022-11-18 18:37:43,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:37:43,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:37:43,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:43,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:37:43,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:37:43,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211670972] [2022-11-18 18:37:43,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211670972] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:37:43,728 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:37:43,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:37:43,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293034803] [2022-11-18 18:37:43,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:37:43,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:37:43,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:37:43,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:37:43,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:37:43,733 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 464 [2022-11-18 18:37:43,734 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 344 places, 337 transitions, 686 flow. Second operand has 3 states, 3 states have (on average 339.3333333333333) internal successors, (1018), 3 states have internal predecessors, (1018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:43,734 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:37:43,734 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 464 [2022-11-18 18:37:43,735 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:37:44,470 INFO L130 PetriNetUnfolder]: 745/1773 cut-off events. [2022-11-18 18:37:44,470 INFO L131 PetriNetUnfolder]: For 49/155 co-relation queries the response was YES. [2022-11-18 18:37:44,475 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2858 conditions, 1773 events. 745/1773 cut-off events. For 49/155 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 9109 event pairs, 485 based on Foata normal form. 0/1551 useless extension candidates. Maximal degree in co-relation 2816. Up to 1010 conditions per place. [2022-11-18 18:37:44,486 INFO L137 encePairwiseOnDemand]: 461/464 looper letters, 28 selfloop transitions, 2 changer transitions 0/336 dead transitions. [2022-11-18 18:37:44,486 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 338 places, 336 transitions, 744 flow [2022-11-18 18:37:44,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:37:44,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:37:44,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1045 transitions. [2022-11-18 18:37:44,489 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7507183908045977 [2022-11-18 18:37:44,490 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1045 transitions. [2022-11-18 18:37:44,490 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1045 transitions. [2022-11-18 18:37:44,490 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:37:44,491 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1045 transitions. [2022-11-18 18:37:44,493 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 348.3333333333333) internal successors, (1045), 3 states have internal predecessors, (1045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:44,496 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 464.0) internal successors, (1856), 4 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:44,498 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 464.0) internal successors, (1856), 4 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:44,498 INFO L175 Difference]: Start difference. First operand has 344 places, 337 transitions, 686 flow. Second operand 3 states and 1045 transitions. [2022-11-18 18:37:44,498 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 338 places, 336 transitions, 744 flow [2022-11-18 18:37:44,501 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 336 places, 336 transitions, 740 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 18:37:44,509 INFO L231 Difference]: Finished difference. Result has 336 places, 336 transitions, 684 flow [2022-11-18 18:37:44,509 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=464, PETRI_DIFFERENCE_MINUEND_FLOW=680, PETRI_DIFFERENCE_MINUEND_PLACES=334, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=336, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=334, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=684, PETRI_PLACES=336, PETRI_TRANSITIONS=336} [2022-11-18 18:37:44,511 INFO L288 CegarLoopForPetriNet]: 430 programPoint places, -94 predicate places. [2022-11-18 18:37:44,511 INFO L495 AbstractCegarLoop]: Abstraction has has 336 places, 336 transitions, 684 flow [2022-11-18 18:37:44,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 339.3333333333333) internal successors, (1018), 3 states have internal predecessors, (1018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:44,512 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:37:44,512 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:37:44,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 18:37:44,513 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2022-11-18 18:37:44,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:37:44,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1861866098, now seen corresponding path program 1 times [2022-11-18 18:37:44,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:37:44,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381671809] [2022-11-18 18:37:44,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:37:44,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:37:44,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:44,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:37:44,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:37:44,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381671809] [2022-11-18 18:37:44,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381671809] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:37:44,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:37:44,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:37:44,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757950753] [2022-11-18 18:37:44,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:37:44,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:37:44,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:37:44,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:37:44,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:37:44,642 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 464 [2022-11-18 18:37:44,643 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 336 places, 336 transitions, 684 flow. Second operand has 3 states, 3 states have (on average 339.3333333333333) internal successors, (1018), 3 states have internal predecessors, (1018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:44,644 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:37:44,644 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 464 [2022-11-18 18:37:44,644 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:37:45,292 INFO L130 PetriNetUnfolder]: 745/1772 cut-off events. [2022-11-18 18:37:45,293 INFO L131 PetriNetUnfolder]: For 49/155 co-relation queries the response was YES. [2022-11-18 18:37:45,297 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2857 conditions, 1772 events. 745/1772 cut-off events. For 49/155 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 9162 event pairs, 485 based on Foata normal form. 0/1551 useless extension candidates. Maximal degree in co-relation 2808. Up to 1010 conditions per place. [2022-11-18 18:37:45,308 INFO L137 encePairwiseOnDemand]: 461/464 looper letters, 28 selfloop transitions, 2 changer transitions 0/335 dead transitions. [2022-11-18 18:37:45,309 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 337 places, 335 transitions, 742 flow [2022-11-18 18:37:45,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:37:45,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:37:45,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1045 transitions. [2022-11-18 18:37:45,313 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7507183908045977 [2022-11-18 18:37:45,313 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1045 transitions. [2022-11-18 18:37:45,313 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1045 transitions. [2022-11-18 18:37:45,314 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:37:45,314 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1045 transitions. [2022-11-18 18:37:45,317 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 348.3333333333333) internal successors, (1045), 3 states have internal predecessors, (1045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:45,321 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 464.0) internal successors, (1856), 4 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:45,322 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 464.0) internal successors, (1856), 4 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:45,322 INFO L175 Difference]: Start difference. First operand has 336 places, 336 transitions, 684 flow. Second operand 3 states and 1045 transitions. [2022-11-18 18:37:45,323 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 337 places, 335 transitions, 742 flow [2022-11-18 18:37:45,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 335 places, 335 transitions, 738 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 18:37:45,330 INFO L231 Difference]: Finished difference. Result has 335 places, 335 transitions, 682 flow [2022-11-18 18:37:45,331 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=464, PETRI_DIFFERENCE_MINUEND_FLOW=678, PETRI_DIFFERENCE_MINUEND_PLACES=333, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=335, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=333, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=682, PETRI_PLACES=335, PETRI_TRANSITIONS=335} [2022-11-18 18:37:45,332 INFO L288 CegarLoopForPetriNet]: 430 programPoint places, -95 predicate places. [2022-11-18 18:37:45,332 INFO L495 AbstractCegarLoop]: Abstraction has has 335 places, 335 transitions, 682 flow [2022-11-18 18:37:45,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 339.3333333333333) internal successors, (1018), 3 states have internal predecessors, (1018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:45,333 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:37:45,334 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:37:45,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 18:37:45,334 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2022-11-18 18:37:45,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:37:45,335 INFO L85 PathProgramCache]: Analyzing trace with hash -2146272573, now seen corresponding path program 1 times [2022-11-18 18:37:45,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:37:45,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319723646] [2022-11-18 18:37:45,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:37:45,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:37:45,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:45,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:37:45,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:37:45,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319723646] [2022-11-18 18:37:45,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319723646] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:37:45,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:37:45,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:37:45,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424875026] [2022-11-18 18:37:45,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:37:45,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:37:45,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:37:45,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:37:45,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:37:45,401 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 464 [2022-11-18 18:37:45,403 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 335 places, 335 transitions, 682 flow. Second operand has 3 states, 3 states have (on average 339.3333333333333) internal successors, (1018), 3 states have internal predecessors, (1018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:45,403 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:37:45,403 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 464 [2022-11-18 18:37:45,404 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:37:46,119 INFO L130 PetriNetUnfolder]: 745/1771 cut-off events. [2022-11-18 18:37:46,119 INFO L131 PetriNetUnfolder]: For 49/155 co-relation queries the response was YES. [2022-11-18 18:37:46,123 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2856 conditions, 1771 events. 745/1771 cut-off events. For 49/155 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 9167 event pairs, 485 based on Foata normal form. 0/1551 useless extension candidates. Maximal degree in co-relation 2800. Up to 1010 conditions per place. [2022-11-18 18:37:46,132 INFO L137 encePairwiseOnDemand]: 461/464 looper letters, 28 selfloop transitions, 2 changer transitions 0/334 dead transitions. [2022-11-18 18:37:46,133 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 336 places, 334 transitions, 740 flow [2022-11-18 18:37:46,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:37:46,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:37:46,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1045 transitions. [2022-11-18 18:37:46,136 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7507183908045977 [2022-11-18 18:37:46,136 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1045 transitions. [2022-11-18 18:37:46,136 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1045 transitions. [2022-11-18 18:37:46,137 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:37:46,137 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1045 transitions. [2022-11-18 18:37:46,140 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 348.3333333333333) internal successors, (1045), 3 states have internal predecessors, (1045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:46,142 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 464.0) internal successors, (1856), 4 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:46,144 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 464.0) internal successors, (1856), 4 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:46,144 INFO L175 Difference]: Start difference. First operand has 335 places, 335 transitions, 682 flow. Second operand 3 states and 1045 transitions. [2022-11-18 18:37:46,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 336 places, 334 transitions, 740 flow [2022-11-18 18:37:46,146 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 334 places, 334 transitions, 736 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 18:37:46,150 INFO L231 Difference]: Finished difference. Result has 334 places, 334 transitions, 680 flow [2022-11-18 18:37:46,151 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=464, PETRI_DIFFERENCE_MINUEND_FLOW=676, PETRI_DIFFERENCE_MINUEND_PLACES=332, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=334, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=332, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=680, PETRI_PLACES=334, PETRI_TRANSITIONS=334} [2022-11-18 18:37:46,152 INFO L288 CegarLoopForPetriNet]: 430 programPoint places, -96 predicate places. [2022-11-18 18:37:46,152 INFO L495 AbstractCegarLoop]: Abstraction has has 334 places, 334 transitions, 680 flow [2022-11-18 18:37:46,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 339.3333333333333) internal successors, (1018), 3 states have internal predecessors, (1018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:46,153 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:37:46,153 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:37:46,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 18:37:46,154 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2022-11-18 18:37:46,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:37:46,154 INFO L85 PathProgramCache]: Analyzing trace with hash -321665559, now seen corresponding path program 1 times [2022-11-18 18:37:46,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:37:46,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353009976] [2022-11-18 18:37:46,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:37:46,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:37:46,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:46,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:37:46,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:37:46,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353009976] [2022-11-18 18:37:46,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353009976] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:37:46,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:37:46,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:37:46,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050413472] [2022-11-18 18:37:46,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:37:46,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:37:46,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:37:46,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:37:46,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:37:46,227 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 341 out of 464 [2022-11-18 18:37:46,229 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 334 places, 334 transitions, 680 flow. Second operand has 3 states, 3 states have (on average 342.3333333333333) internal successors, (1027), 3 states have internal predecessors, (1027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:46,229 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:37:46,229 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 341 of 464 [2022-11-18 18:37:46,229 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:37:47,068 INFO L130 PetriNetUnfolder]: 982/2602 cut-off events. [2022-11-18 18:37:47,068 INFO L131 PetriNetUnfolder]: For 69/151 co-relation queries the response was YES. [2022-11-18 18:37:47,076 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4019 conditions, 2602 events. 982/2602 cut-off events. For 69/151 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 16630 event pairs, 392 based on Foata normal form. 0/2289 useless extension candidates. Maximal degree in co-relation 3955. Up to 715 conditions per place. [2022-11-18 18:37:47,090 INFO L137 encePairwiseOnDemand]: 461/464 looper letters, 41 selfloop transitions, 2 changer transitions 0/350 dead transitions. [2022-11-18 18:37:47,091 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 335 places, 350 transitions, 803 flow [2022-11-18 18:37:47,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:37:47,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:37:47,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1067 transitions. [2022-11-18 18:37:47,094 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7665229885057471 [2022-11-18 18:37:47,094 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1067 transitions. [2022-11-18 18:37:47,094 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1067 transitions. [2022-11-18 18:37:47,095 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:37:47,095 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1067 transitions. [2022-11-18 18:37:47,098 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 355.6666666666667) internal successors, (1067), 3 states have internal predecessors, (1067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:47,101 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 464.0) internal successors, (1856), 4 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:47,102 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 464.0) internal successors, (1856), 4 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:47,102 INFO L175 Difference]: Start difference. First operand has 334 places, 334 transitions, 680 flow. Second operand 3 states and 1067 transitions. [2022-11-18 18:37:47,102 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 335 places, 350 transitions, 803 flow [2022-11-18 18:37:47,105 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 333 places, 350 transitions, 799 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 18:37:47,109 INFO L231 Difference]: Finished difference. Result has 334 places, 334 transitions, 684 flow [2022-11-18 18:37:47,110 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=464, PETRI_DIFFERENCE_MINUEND_FLOW=674, PETRI_DIFFERENCE_MINUEND_PLACES=331, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=333, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=331, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=684, PETRI_PLACES=334, PETRI_TRANSITIONS=334} [2022-11-18 18:37:47,111 INFO L288 CegarLoopForPetriNet]: 430 programPoint places, -96 predicate places. [2022-11-18 18:37:47,111 INFO L495 AbstractCegarLoop]: Abstraction has has 334 places, 334 transitions, 684 flow [2022-11-18 18:37:47,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 342.3333333333333) internal successors, (1027), 3 states have internal predecessors, (1027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:47,112 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:37:47,112 INFO L209 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] [2022-11-18 18:37:47,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 18:37:47,113 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2022-11-18 18:37:47,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:37:47,113 INFO L85 PathProgramCache]: Analyzing trace with hash 869756129, now seen corresponding path program 1 times [2022-11-18 18:37:47,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:37:47,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382966463] [2022-11-18 18:37:47,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:37:47,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:37:47,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:47,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:37:47,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:37:47,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382966463] [2022-11-18 18:37:47,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382966463] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:37:47,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:37:47,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:37:47,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011343723] [2022-11-18 18:37:47,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:37:47,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:37:47,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:37:47,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:37:47,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:37:47,160 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 341 out of 464 [2022-11-18 18:37:47,161 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 334 places, 334 transitions, 684 flow. Second operand has 3 states, 3 states have (on average 342.3333333333333) internal successors, (1027), 3 states have internal predecessors, (1027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:47,161 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:37:47,161 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 341 of 464 [2022-11-18 18:37:47,161 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:37:48,001 INFO L130 PetriNetUnfolder]: 982/2336 cut-off events. [2022-11-18 18:37:48,001 INFO L131 PetriNetUnfolder]: For 227/364 co-relation queries the response was YES. [2022-11-18 18:37:48,008 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3991 conditions, 2336 events. 982/2336 cut-off events. For 227/364 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 13899 event pairs, 665 based on Foata normal form. 0/2044 useless extension candidates. Maximal degree in co-relation 2084. Up to 1327 conditions per place. [2022-11-18 18:37:48,021 INFO L137 encePairwiseOnDemand]: 461/464 looper letters, 26 selfloop transitions, 2 changer transitions 0/333 dead transitions. [2022-11-18 18:37:48,021 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 335 places, 333 transitions, 738 flow [2022-11-18 18:37:48,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:37:48,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:37:48,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1051 transitions. [2022-11-18 18:37:48,025 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7550287356321839 [2022-11-18 18:37:48,025 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1051 transitions. [2022-11-18 18:37:48,025 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1051 transitions. [2022-11-18 18:37:48,026 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:37:48,027 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1051 transitions. [2022-11-18 18:37:48,029 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 350.3333333333333) internal successors, (1051), 3 states have internal predecessors, (1051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:48,033 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 464.0) internal successors, (1856), 4 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:48,034 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 464.0) internal successors, (1856), 4 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:48,034 INFO L175 Difference]: Start difference. First operand has 334 places, 334 transitions, 684 flow. Second operand 3 states and 1051 transitions. [2022-11-18 18:37:48,035 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 335 places, 333 transitions, 738 flow [2022-11-18 18:37:48,037 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 334 places, 333 transitions, 736 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 18:37:48,042 INFO L231 Difference]: Finished difference. Result has 334 places, 333 transitions, 684 flow [2022-11-18 18:37:48,043 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=464, PETRI_DIFFERENCE_MINUEND_FLOW=680, 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=331, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=684, PETRI_PLACES=334, PETRI_TRANSITIONS=333} [2022-11-18 18:37:48,044 INFO L288 CegarLoopForPetriNet]: 430 programPoint places, -96 predicate places. [2022-11-18 18:37:48,044 INFO L495 AbstractCegarLoop]: Abstraction has has 334 places, 333 transitions, 684 flow [2022-11-18 18:37:48,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 342.3333333333333) internal successors, (1027), 3 states have internal predecessors, (1027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:48,045 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:37:48,045 INFO L209 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] [2022-11-18 18:37:48,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 18:37:48,046 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2022-11-18 18:37:48,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:37:48,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1745920403, now seen corresponding path program 1 times [2022-11-18 18:37:48,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:37:48,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276394648] [2022-11-18 18:37:48,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:37:48,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:37:48,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:48,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:37:48,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:37:48,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276394648] [2022-11-18 18:37:48,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276394648] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:37:48,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:37:48,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:37:48,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725260921] [2022-11-18 18:37:48,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:37:48,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:37:48,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:37:48,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:37:48,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:37:48,097 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 464 [2022-11-18 18:37:48,102 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 334 places, 333 transitions, 684 flow. Second operand has 3 states, 3 states have (on average 339.3333333333333) internal successors, (1018), 3 states have internal predecessors, (1018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:48,102 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:37:48,102 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 464 [2022-11-18 18:37:48,103 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:37:48,935 INFO L130 PetriNetUnfolder]: 982/2335 cut-off events. [2022-11-18 18:37:48,936 INFO L131 PetriNetUnfolder]: For 226/363 co-relation queries the response was YES. [2022-11-18 18:37:48,947 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3916 conditions, 2335 events. 982/2335 cut-off events. For 226/363 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 13902 event pairs, 665 based on Foata normal form. 0/2044 useless extension candidates. Maximal degree in co-relation 3844. Up to 1330 conditions per place. [2022-11-18 18:37:48,961 INFO L137 encePairwiseOnDemand]: 461/464 looper letters, 29 selfloop transitions, 2 changer transitions 0/332 dead transitions. [2022-11-18 18:37:48,961 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 335 places, 332 transitions, 744 flow [2022-11-18 18:37:48,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:37:48,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:37:48,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1045 transitions. [2022-11-18 18:37:48,965 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7507183908045977 [2022-11-18 18:37:48,965 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1045 transitions. [2022-11-18 18:37:48,966 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1045 transitions. [2022-11-18 18:37:48,967 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:37:48,967 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1045 transitions. [2022-11-18 18:37:48,970 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 348.3333333333333) internal successors, (1045), 3 states have internal predecessors, (1045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:48,973 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 464.0) internal successors, (1856), 4 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:48,974 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 464.0) internal successors, (1856), 4 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:48,974 INFO L175 Difference]: Start difference. First operand has 334 places, 333 transitions, 684 flow. Second operand 3 states and 1045 transitions. [2022-11-18 18:37:48,974 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 335 places, 332 transitions, 744 flow [2022-11-18 18:37:48,978 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 333 places, 332 transitions, 740 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 18:37:48,983 INFO L231 Difference]: Finished difference. Result has 333 places, 332 transitions, 682 flow [2022-11-18 18:37:48,984 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=464, PETRI_DIFFERENCE_MINUEND_FLOW=678, PETRI_DIFFERENCE_MINUEND_PLACES=331, 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=682, PETRI_PLACES=333, PETRI_TRANSITIONS=332} [2022-11-18 18:37:48,985 INFO L288 CegarLoopForPetriNet]: 430 programPoint places, -97 predicate places. [2022-11-18 18:37:48,985 INFO L495 AbstractCegarLoop]: Abstraction has has 333 places, 332 transitions, 682 flow [2022-11-18 18:37:48,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 339.3333333333333) internal successors, (1018), 3 states have internal predecessors, (1018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:48,986 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:37:48,986 INFO L209 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] [2022-11-18 18:37:48,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 18:37:48,987 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2022-11-18 18:37:48,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:37:48,987 INFO L85 PathProgramCache]: Analyzing trace with hash -935232624, now seen corresponding path program 1 times [2022-11-18 18:37:48,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:37:48,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563116944] [2022-11-18 18:37:48,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:37:48,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:37:49,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:49,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:37:49,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:37:49,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563116944] [2022-11-18 18:37:49,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563116944] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:37:49,033 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:37:49,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:37:49,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484423780] [2022-11-18 18:37:49,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:37:49,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:37:49,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:37:49,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:37:49,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:37:49,037 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 341 out of 464 [2022-11-18 18:37:49,038 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 333 places, 332 transitions, 682 flow. Second operand has 3 states, 3 states have (on average 342.3333333333333) internal successors, (1027), 3 states have internal predecessors, (1027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:49,039 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:37:49,039 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 341 of 464 [2022-11-18 18:37:49,039 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:37:49,937 INFO L130 PetriNetUnfolder]: 1232/3022 cut-off events. [2022-11-18 18:37:49,937 INFO L131 PetriNetUnfolder]: For 293/461 co-relation queries the response was YES. [2022-11-18 18:37:49,946 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4979 conditions, 3022 events. 1232/3022 cut-off events. For 293/461 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 20133 event pairs, 472 based on Foata normal form. 0/2640 useless extension candidates. Maximal degree in co-relation 4899. Up to 903 conditions per place. [2022-11-18 18:37:49,961 INFO L137 encePairwiseOnDemand]: 461/464 looper letters, 42 selfloop transitions, 2 changer transitions 0/348 dead transitions. [2022-11-18 18:37:49,961 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 334 places, 348 transitions, 810 flow [2022-11-18 18:37:49,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:37:49,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:37:49,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1066 transitions. [2022-11-18 18:37:49,965 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7658045977011494 [2022-11-18 18:37:49,965 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1066 transitions. [2022-11-18 18:37:49,965 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1066 transitions. [2022-11-18 18:37:49,966 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:37:49,966 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1066 transitions. [2022-11-18 18:37:49,968 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:49,971 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 464.0) internal successors, (1856), 4 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:49,972 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 464.0) internal successors, (1856), 4 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:49,972 INFO L175 Difference]: Start difference. First operand has 333 places, 332 transitions, 682 flow. Second operand 3 states and 1066 transitions. [2022-11-18 18:37:49,973 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 334 places, 348 transitions, 810 flow [2022-11-18 18:37:49,975 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 332 places, 348 transitions, 806 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 18:37:49,979 INFO L231 Difference]: Finished difference. Result has 333 places, 332 transitions, 686 flow [2022-11-18 18:37:49,980 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=464, PETRI_DIFFERENCE_MINUEND_FLOW=676, PETRI_DIFFERENCE_MINUEND_PLACES=330, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=331, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=329, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=686, PETRI_PLACES=333, PETRI_TRANSITIONS=332} [2022-11-18 18:37:49,981 INFO L288 CegarLoopForPetriNet]: 430 programPoint places, -97 predicate places. [2022-11-18 18:37:49,981 INFO L495 AbstractCegarLoop]: Abstraction has has 333 places, 332 transitions, 686 flow [2022-11-18 18:37:49,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 342.3333333333333) internal successors, (1027), 3 states have internal predecessors, (1027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:49,982 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:37:49,982 INFO L209 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] [2022-11-18 18:37:49,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 18:37:49,982 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2022-11-18 18:37:49,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:37:49,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1864249675, now seen corresponding path program 1 times [2022-11-18 18:37:49,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:37:49,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358623624] [2022-11-18 18:37:49,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:37:49,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:37:49,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:50,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:37:50,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:37:50,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358623624] [2022-11-18 18:37:50,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358623624] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:37:50,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:37:50,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:37:50,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337905564] [2022-11-18 18:37:50,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:37:50,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:37:50,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:37:50,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:37:50,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:37:50,026 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 341 out of 464 [2022-11-18 18:37:50,027 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 333 places, 332 transitions, 686 flow. Second operand has 3 states, 3 states have (on average 342.3333333333333) internal successors, (1027), 3 states have internal predecessors, (1027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:50,027 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:37:50,028 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 341 of 464 [2022-11-18 18:37:50,028 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:37:50,856 INFO L130 PetriNetUnfolder]: 1232/3021 cut-off events. [2022-11-18 18:37:50,856 INFO L131 PetriNetUnfolder]: For 465/633 co-relation queries the response was YES. [2022-11-18 18:37:50,869 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5237 conditions, 3021 events. 1232/3021 cut-off events. For 465/633 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 20167 event pairs, 858 based on Foata normal form. 0/2635 useless extension candidates. Maximal degree in co-relation 3028. Up to 1665 conditions per place. [2022-11-18 18:37:50,884 INFO L137 encePairwiseOnDemand]: 461/464 looper letters, 27 selfloop transitions, 2 changer transitions 0/331 dead transitions. [2022-11-18 18:37:50,884 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 334 places, 331 transitions, 742 flow [2022-11-18 18:37:50,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:37:50,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:37:50,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1051 transitions. [2022-11-18 18:37:50,888 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7550287356321839 [2022-11-18 18:37:50,888 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1051 transitions. [2022-11-18 18:37:50,888 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1051 transitions. [2022-11-18 18:37:50,889 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:37:50,889 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1051 transitions. [2022-11-18 18:37:50,891 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 350.3333333333333) internal successors, (1051), 3 states have internal predecessors, (1051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:50,894 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 464.0) internal successors, (1856), 4 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:50,895 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 464.0) internal successors, (1856), 4 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:50,896 INFO L175 Difference]: Start difference. First operand has 333 places, 332 transitions, 686 flow. Second operand 3 states and 1051 transitions. [2022-11-18 18:37:50,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 334 places, 331 transitions, 742 flow [2022-11-18 18:37:50,899 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 333 places, 331 transitions, 740 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 18:37:50,903 INFO L231 Difference]: Finished difference. Result has 333 places, 331 transitions, 686 flow [2022-11-18 18:37:50,904 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=464, PETRI_DIFFERENCE_MINUEND_FLOW=682, PETRI_DIFFERENCE_MINUEND_PLACES=331, 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=686, PETRI_PLACES=333, PETRI_TRANSITIONS=331} [2022-11-18 18:37:50,904 INFO L288 CegarLoopForPetriNet]: 430 programPoint places, -97 predicate places. [2022-11-18 18:37:50,904 INFO L495 AbstractCegarLoop]: Abstraction has has 333 places, 331 transitions, 686 flow [2022-11-18 18:37:50,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 342.3333333333333) internal successors, (1027), 3 states have internal predecessors, (1027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:50,905 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:37:50,906 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:37:50,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 18:37:50,906 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2022-11-18 18:37:50,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:37:50,907 INFO L85 PathProgramCache]: Analyzing trace with hash 362062223, now seen corresponding path program 1 times [2022-11-18 18:37:50,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:37:50,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045177574] [2022-11-18 18:37:50,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:37:50,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:37:50,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:50,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:37:50,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:37:50,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045177574] [2022-11-18 18:37:50,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045177574] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:37:50,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:37:50,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:37:50,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873018240] [2022-11-18 18:37:50,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:37:50,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:37:50,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:37:50,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:37:50,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:37:50,997 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 341 out of 464 [2022-11-18 18:37:50,998 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 333 places, 331 transitions, 686 flow. Second operand has 3 states, 3 states have (on average 342.3333333333333) internal successors, (1027), 3 states have internal predecessors, (1027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:50,999 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:37:50,999 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 341 of 464 [2022-11-18 18:37:50,999 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:37:51,748 INFO L130 PetriNetUnfolder]: 1232/3020 cut-off events. [2022-11-18 18:37:51,748 INFO L131 PetriNetUnfolder]: For 464/632 co-relation queries the response was YES. [2022-11-18 18:37:51,759 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5151 conditions, 3020 events. 1232/3020 cut-off events. For 464/632 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 20166 event pairs, 858 based on Foata normal form. 0/2635 useless extension candidates. Maximal degree in co-relation 5062. Up to 1663 conditions per place. [2022-11-18 18:37:51,773 INFO L137 encePairwiseOnDemand]: 462/464 looper letters, 27 selfloop transitions, 1 changer transitions 0/330 dead transitions. [2022-11-18 18:37:51,773 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 334 places, 330 transitions, 740 flow [2022-11-18 18:37:51,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:37:51,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:37:51,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1050 transitions. [2022-11-18 18:37:51,777 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7543103448275862 [2022-11-18 18:37:51,777 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1050 transitions. [2022-11-18 18:37:51,777 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1050 transitions. [2022-11-18 18:37:51,778 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:37:51,778 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1050 transitions. [2022-11-18 18:37:51,780 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 350.0) internal successors, (1050), 3 states have internal predecessors, (1050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:51,783 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 464.0) internal successors, (1856), 4 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:51,784 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 464.0) internal successors, (1856), 4 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:51,784 INFO L175 Difference]: Start difference. First operand has 333 places, 331 transitions, 686 flow. Second operand 3 states and 1050 transitions. [2022-11-18 18:37:51,784 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 334 places, 330 transitions, 740 flow [2022-11-18 18:37:51,787 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 332 places, 330 transitions, 736 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 18:37:51,791 INFO L231 Difference]: Finished difference. Result has 332 places, 330 transitions, 682 flow [2022-11-18 18:37:51,792 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=464, PETRI_DIFFERENCE_MINUEND_FLOW=680, PETRI_DIFFERENCE_MINUEND_PLACES=330, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=330, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=329, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=682, PETRI_PLACES=332, PETRI_TRANSITIONS=330} [2022-11-18 18:37:51,793 INFO L288 CegarLoopForPetriNet]: 430 programPoint places, -98 predicate places. [2022-11-18 18:37:51,794 INFO L495 AbstractCegarLoop]: Abstraction has has 332 places, 330 transitions, 682 flow [2022-11-18 18:37:51,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 342.3333333333333) internal successors, (1027), 3 states have internal predecessors, (1027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:51,803 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:37:51,803 INFO L209 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] [2022-11-18 18:37:51,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 18:37:51,803 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2022-11-18 18:37:51,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:37:51,804 INFO L85 PathProgramCache]: Analyzing trace with hash -1134812686, now seen corresponding path program 1 times [2022-11-18 18:37:51,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:37:51,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369841719] [2022-11-18 18:37:51,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:37:51,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:37:51,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:51,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:37:51,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:37:51,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369841719] [2022-11-18 18:37:51,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369841719] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:37:51,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:37:51,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:37:51,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40080839] [2022-11-18 18:37:51,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:37:51,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:37:51,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:37:51,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:37:51,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:37:51,888 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 341 out of 464 [2022-11-18 18:37:51,889 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 332 places, 330 transitions, 682 flow. Second operand has 3 states, 3 states have (on average 342.3333333333333) internal successors, (1027), 3 states have internal predecessors, (1027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:51,890 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:37:51,890 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 341 of 464 [2022-11-18 18:37:51,890 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:37:52,714 INFO L130 PetriNetUnfolder]: 1232/3019 cut-off events. [2022-11-18 18:37:52,714 INFO L131 PetriNetUnfolder]: For 464/632 co-relation queries the response was YES. [2022-11-18 18:37:52,724 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5150 conditions, 3019 events. 1232/3019 cut-off events. For 464/632 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 20118 event pairs, 858 based on Foata normal form. 0/2635 useless extension candidates. Maximal degree in co-relation 5062. Up to 1665 conditions per place. [2022-11-18 18:37:52,736 INFO L137 encePairwiseOnDemand]: 461/464 looper letters, 27 selfloop transitions, 2 changer transitions 0/329 dead transitions. [2022-11-18 18:37:52,736 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 333 places, 329 transitions, 738 flow [2022-11-18 18:37:52,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:37:52,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:37:52,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1051 transitions. [2022-11-18 18:37:52,740 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7550287356321839 [2022-11-18 18:37:52,740 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1051 transitions. [2022-11-18 18:37:52,740 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1051 transitions. [2022-11-18 18:37:52,741 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:37:52,741 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1051 transitions. [2022-11-18 18:37:52,743 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 350.3333333333333) internal successors, (1051), 3 states have internal predecessors, (1051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:52,746 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 464.0) internal successors, (1856), 4 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:52,747 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 464.0) internal successors, (1856), 4 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:52,747 INFO L175 Difference]: Start difference. First operand has 332 places, 330 transitions, 682 flow. Second operand 3 states and 1051 transitions. [2022-11-18 18:37:52,748 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 333 places, 329 transitions, 738 flow [2022-11-18 18:37:52,750 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 332 places, 329 transitions, 737 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 18:37:52,754 INFO L231 Difference]: Finished difference. Result has 332 places, 329 transitions, 683 flow [2022-11-18 18:37:52,755 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=464, PETRI_DIFFERENCE_MINUEND_FLOW=679, PETRI_DIFFERENCE_MINUEND_PLACES=330, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=329, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=327, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=683, PETRI_PLACES=332, PETRI_TRANSITIONS=329} [2022-11-18 18:37:52,755 INFO L288 CegarLoopForPetriNet]: 430 programPoint places, -98 predicate places. [2022-11-18 18:37:52,755 INFO L495 AbstractCegarLoop]: Abstraction has has 332 places, 329 transitions, 683 flow [2022-11-18 18:37:52,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 342.3333333333333) internal successors, (1027), 3 states have internal predecessors, (1027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:52,756 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:37:52,756 INFO L209 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] [2022-11-18 18:37:52,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-18 18:37:52,757 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2022-11-18 18:37:52,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:37:52,757 INFO L85 PathProgramCache]: Analyzing trace with hash -755900576, now seen corresponding path program 1 times [2022-11-18 18:37:52,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:37:52,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949606984] [2022-11-18 18:37:52,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:37:52,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:37:52,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:53,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:37:53,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:37:53,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949606984] [2022-11-18 18:37:53,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949606984] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:37:53,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:37:53,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 18:37:53,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402925019] [2022-11-18 18:37:53,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:37:53,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:37:53,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:37:53,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:37:53,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:37:53,228 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 272 out of 464 [2022-11-18 18:37:53,229 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 332 places, 329 transitions, 683 flow. Second operand has 6 states, 6 states have (on average 273.8333333333333) internal successors, (1643), 6 states have internal predecessors, (1643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:53,229 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:37:53,230 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 272 of 464 [2022-11-18 18:37:53,230 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:37:57,456 INFO L130 PetriNetUnfolder]: 8768/13194 cut-off events. [2022-11-18 18:37:57,456 INFO L131 PetriNetUnfolder]: For 2412/2412 co-relation queries the response was YES. [2022-11-18 18:37:57,490 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27010 conditions, 13194 events. 8768/13194 cut-off events. For 2412/2412 co-relation queries the response was YES. Maximal size of possible extension queue 484. Compared 74539 event pairs, 6510 based on Foata normal form. 0/12409 useless extension candidates. Maximal degree in co-relation 26923. Up to 11295 conditions per place. [2022-11-18 18:37:57,534 INFO L137 encePairwiseOnDemand]: 446/464 looper letters, 81 selfloop transitions, 15 changer transitions 0/326 dead transitions. [2022-11-18 18:37:57,534 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 334 places, 326 transitions, 869 flow [2022-11-18 18:37:57,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 18:37:57,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 18:37:57,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1729 transitions. [2022-11-18 18:37:57,539 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6210488505747126 [2022-11-18 18:37:57,539 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1729 transitions. [2022-11-18 18:37:57,539 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1729 transitions. [2022-11-18 18:37:57,541 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:37:57,541 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1729 transitions. [2022-11-18 18:37:57,544 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 288.1666666666667) internal successors, (1729), 6 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:57,549 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 464.0) internal successors, (3248), 7 states have internal predecessors, (3248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:57,550 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 464.0) internal successors, (3248), 7 states have internal predecessors, (3248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:57,550 INFO L175 Difference]: Start difference. First operand has 332 places, 329 transitions, 683 flow. Second operand 6 states and 1729 transitions. [2022-11-18 18:37:57,551 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 334 places, 326 transitions, 869 flow [2022-11-18 18:37:57,553 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 332 places, 326 transitions, 865 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 18:37:57,557 INFO L231 Difference]: Finished difference. Result has 332 places, 326 transitions, 703 flow [2022-11-18 18:37:57,558 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=464, PETRI_DIFFERENCE_MINUEND_FLOW=673, PETRI_DIFFERENCE_MINUEND_PLACES=327, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=326, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=311, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=703, PETRI_PLACES=332, PETRI_TRANSITIONS=326} [2022-11-18 18:37:57,559 INFO L288 CegarLoopForPetriNet]: 430 programPoint places, -98 predicate places. [2022-11-18 18:37:57,559 INFO L495 AbstractCegarLoop]: Abstraction has has 332 places, 326 transitions, 703 flow [2022-11-18 18:37:57,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 273.8333333333333) internal successors, (1643), 6 states have internal predecessors, (1643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:57,560 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:37:57,560 INFO L209 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] [2022-11-18 18:37:57,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-18 18:37:57,561 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2022-11-18 18:37:57,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:37:57,561 INFO L85 PathProgramCache]: Analyzing trace with hash 274426172, now seen corresponding path program 1 times [2022-11-18 18:37:57,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:37:57,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756935055] [2022-11-18 18:37:57,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:37:57,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:37:57,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:57,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:37:57,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:37:57,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756935055] [2022-11-18 18:37:57,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756935055] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:37:57,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:37:57,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:37:57,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631400576] [2022-11-18 18:37:57,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:37:57,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:37:57,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:37:57,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:37:57,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:37:57,626 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 341 out of 464 [2022-11-18 18:37:57,627 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 332 places, 326 transitions, 703 flow. Second operand has 3 states, 3 states have (on average 342.3333333333333) internal successors, (1027), 3 states have internal predecessors, (1027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:57,628 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:37:57,628 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 341 of 464 [2022-11-18 18:37:57,628 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:37:58,601 INFO L130 PetriNetUnfolder]: 1232/3015 cut-off events. [2022-11-18 18:37:58,601 INFO L131 PetriNetUnfolder]: For 464/632 co-relation queries the response was YES. [2022-11-18 18:37:58,609 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5160 conditions, 3015 events. 1232/3015 cut-off events. For 464/632 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 20097 event pairs, 858 based on Foata normal form. 0/2635 useless extension candidates. Maximal degree in co-relation 5110. Up to 1663 conditions per place. [2022-11-18 18:37:58,621 INFO L137 encePairwiseOnDemand]: 462/464 looper letters, 27 selfloop transitions, 1 changer transitions 0/325 dead transitions. [2022-11-18 18:37:58,621 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 333 places, 325 transitions, 757 flow [2022-11-18 18:37:58,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:37:58,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:37:58,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1050 transitions. [2022-11-18 18:37:58,624 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7543103448275862 [2022-11-18 18:37:58,624 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1050 transitions. [2022-11-18 18:37:58,625 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1050 transitions. [2022-11-18 18:37:58,625 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:37:58,626 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1050 transitions. [2022-11-18 18:37:58,628 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 350.0) internal successors, (1050), 3 states have internal predecessors, (1050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:58,630 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 464.0) internal successors, (1856), 4 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:58,631 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 464.0) internal successors, (1856), 4 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:58,631 INFO L175 Difference]: Start difference. First operand has 332 places, 326 transitions, 703 flow. Second operand 3 states and 1050 transitions. [2022-11-18 18:37:58,631 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 333 places, 325 transitions, 757 flow [2022-11-18 18:37:58,634 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 328 places, 325 transitions, 727 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-18 18:37:58,638 INFO L231 Difference]: Finished difference. Result has 328 places, 325 transitions, 673 flow [2022-11-18 18:37:58,638 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=464, PETRI_DIFFERENCE_MINUEND_FLOW=671, PETRI_DIFFERENCE_MINUEND_PLACES=326, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=325, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=324, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=673, PETRI_PLACES=328, PETRI_TRANSITIONS=325} [2022-11-18 18:37:58,639 INFO L288 CegarLoopForPetriNet]: 430 programPoint places, -102 predicate places. [2022-11-18 18:37:58,639 INFO L495 AbstractCegarLoop]: Abstraction has has 328 places, 325 transitions, 673 flow [2022-11-18 18:37:58,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 342.3333333333333) internal successors, (1027), 3 states have internal predecessors, (1027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:58,640 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:37:58,640 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:37:58,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-18 18:37:58,640 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2022-11-18 18:37:58,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:37:58,641 INFO L85 PathProgramCache]: Analyzing trace with hash -967988716, now seen corresponding path program 1 times [2022-11-18 18:37:58,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:37:58,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858771815] [2022-11-18 18:37:58,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:37:58,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:37:58,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:58,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:37:58,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:37:58,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858771815] [2022-11-18 18:37:58,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858771815] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:37:58,692 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:37:58,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:37:58,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550195929] [2022-11-18 18:37:58,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:37:58,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:37:58,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:37:58,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:37:58,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:37:58,695 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 341 out of 464 [2022-11-18 18:37:58,696 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 328 places, 325 transitions, 673 flow. Second operand has 3 states, 3 states have (on average 342.3333333333333) internal successors, (1027), 3 states have internal predecessors, (1027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:58,696 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:37:58,697 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 341 of 464 [2022-11-18 18:37:58,697 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:37:59,337 INFO L130 PetriNetUnfolder]: 1232/3014 cut-off events. [2022-11-18 18:37:59,337 INFO L131 PetriNetUnfolder]: For 464/632 co-relation queries the response was YES. [2022-11-18 18:37:59,347 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5146 conditions, 3014 events. 1232/3014 cut-off events. For 464/632 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 20105 event pairs, 858 based on Foata normal form. 0/2635 useless extension candidates. Maximal degree in co-relation 5058. Up to 1665 conditions per place. [2022-11-18 18:37:59,358 INFO L137 encePairwiseOnDemand]: 461/464 looper letters, 27 selfloop transitions, 2 changer transitions 0/324 dead transitions. [2022-11-18 18:37:59,359 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 329 places, 324 transitions, 729 flow [2022-11-18 18:37:59,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:37:59,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:37:59,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1051 transitions. [2022-11-18 18:37:59,364 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7550287356321839 [2022-11-18 18:37:59,364 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1051 transitions. [2022-11-18 18:37:59,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1051 transitions. [2022-11-18 18:37:59,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:37:59,365 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1051 transitions. [2022-11-18 18:37:59,367 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 350.3333333333333) internal successors, (1051), 3 states have internal predecessors, (1051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:59,369 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 464.0) internal successors, (1856), 4 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:59,370 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 464.0) internal successors, (1856), 4 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:59,370 INFO L175 Difference]: Start difference. First operand has 328 places, 325 transitions, 673 flow. Second operand 3 states and 1051 transitions. [2022-11-18 18:37:59,370 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 329 places, 324 transitions, 729 flow [2022-11-18 18:37:59,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 328 places, 324 transitions, 728 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 18:37:59,377 INFO L231 Difference]: Finished difference. Result has 328 places, 324 transitions, 674 flow [2022-11-18 18:37:59,377 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=464, PETRI_DIFFERENCE_MINUEND_FLOW=670, PETRI_DIFFERENCE_MINUEND_PLACES=326, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=324, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=322, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=674, PETRI_PLACES=328, PETRI_TRANSITIONS=324} [2022-11-18 18:37:59,378 INFO L288 CegarLoopForPetriNet]: 430 programPoint places, -102 predicate places. [2022-11-18 18:37:59,378 INFO L495 AbstractCegarLoop]: Abstraction has has 328 places, 324 transitions, 674 flow [2022-11-18 18:37:59,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 342.3333333333333) internal successors, (1027), 3 states have internal predecessors, (1027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:59,379 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:37:59,379 INFO L209 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] [2022-11-18 18:37:59,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-18 18:37:59,379 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2022-11-18 18:37:59,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:37:59,380 INFO L85 PathProgramCache]: Analyzing trace with hash 935649587, now seen corresponding path program 1 times [2022-11-18 18:37:59,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:37:59,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952213336] [2022-11-18 18:37:59,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:37:59,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:37:59,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:59,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:37:59,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:37:59,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952213336] [2022-11-18 18:37:59,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952213336] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:37:59,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:37:59,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:37:59,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902120273] [2022-11-18 18:37:59,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:37:59,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:37:59,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:37:59,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:37:59,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:37:59,434 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 464 [2022-11-18 18:37:59,435 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 328 places, 324 transitions, 674 flow. Second operand has 3 states, 3 states have (on average 339.3333333333333) internal successors, (1018), 3 states have internal predecessors, (1018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:37:59,435 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:37:59,435 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 464 [2022-11-18 18:37:59,435 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:38:00,460 INFO L130 PetriNetUnfolder]: 1232/3012 cut-off events. [2022-11-18 18:38:00,461 INFO L131 PetriNetUnfolder]: For 464/632 co-relation queries the response was YES. [2022-11-18 18:38:00,471 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5147 conditions, 3012 events. 1232/3012 cut-off events. For 464/632 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 20096 event pairs, 858 based on Foata normal form. 0/2635 useless extension candidates. Maximal degree in co-relation 5058. Up to 1665 conditions per place. [2022-11-18 18:38:00,485 INFO L137 encePairwiseOnDemand]: 461/464 looper letters, 29 selfloop transitions, 1 changer transitions 0/322 dead transitions. [2022-11-18 18:38:00,485 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 328 places, 322 transitions, 730 flow [2022-11-18 18:38:00,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:38:00,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:38:00,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1044 transitions. [2022-11-18 18:38:00,489 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.75 [2022-11-18 18:38:00,489 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1044 transitions. [2022-11-18 18:38:00,489 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1044 transitions. [2022-11-18 18:38:00,490 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:38:00,491 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1044 transitions. [2022-11-18 18:38:00,493 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 348.0) internal successors, (1044), 3 states have internal predecessors, (1044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:38:00,496 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 464.0) internal successors, (1856), 4 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:38:00,497 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 464.0) internal successors, (1856), 4 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:38:00,497 INFO L175 Difference]: Start difference. First operand has 328 places, 324 transitions, 674 flow. Second operand 3 states and 1044 transitions. [2022-11-18 18:38:00,497 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 328 places, 322 transitions, 730 flow [2022-11-18 18:38:00,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 322 transitions, 726 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 18:38:00,505 INFO L231 Difference]: Finished difference. Result has 326 places, 322 transitions, 668 flow [2022-11-18 18:38:00,505 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=464, PETRI_DIFFERENCE_MINUEND_FLOW=666, PETRI_DIFFERENCE_MINUEND_PLACES=324, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=322, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=321, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=668, PETRI_PLACES=326, PETRI_TRANSITIONS=322} [2022-11-18 18:38:00,506 INFO L288 CegarLoopForPetriNet]: 430 programPoint places, -104 predicate places. [2022-11-18 18:38:00,506 INFO L495 AbstractCegarLoop]: Abstraction has has 326 places, 322 transitions, 668 flow [2022-11-18 18:38:00,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 339.3333333333333) internal successors, (1018), 3 states have internal predecessors, (1018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:38:00,507 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:38:00,507 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:38:00,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-18 18:38:00,508 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2022-11-18 18:38:00,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:38:00,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1654596928, now seen corresponding path program 1 times [2022-11-18 18:38:00,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:38:00,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892721045] [2022-11-18 18:38:00,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:38:00,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:38:00,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:00,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:38:00,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:38:00,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892721045] [2022-11-18 18:38:00,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892721045] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:38:00,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:38:00,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:38:00,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010788006] [2022-11-18 18:38:00,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:38:00,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:38:00,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:38:00,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:38:00,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:38:00,595 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 341 out of 464 [2022-11-18 18:38:00,596 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 326 places, 322 transitions, 668 flow. Second operand has 3 states, 3 states have (on average 342.3333333333333) internal successors, (1027), 3 states have internal predecessors, (1027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:38:00,597 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:38:00,597 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 341 of 464 [2022-11-18 18:38:00,597 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:38:01,566 INFO L130 PetriNetUnfolder]: 1232/3011 cut-off events. [2022-11-18 18:38:01,566 INFO L131 PetriNetUnfolder]: For 464/632 co-relation queries the response was YES. [2022-11-18 18:38:01,572 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5144 conditions, 3011 events. 1232/3011 cut-off events. For 464/632 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 20045 event pairs, 858 based on Foata normal form. 0/2635 useless extension candidates. Maximal degree in co-relation 5056. Up to 1665 conditions per place. [2022-11-18 18:38:01,579 INFO L137 encePairwiseOnDemand]: 461/464 looper letters, 27 selfloop transitions, 2 changer transitions 0/321 dead transitions. [2022-11-18 18:38:01,579 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 327 places, 321 transitions, 724 flow [2022-11-18 18:38:01,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:38:01,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:38:01,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1051 transitions. [2022-11-18 18:38:01,583 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7550287356321839 [2022-11-18 18:38:01,583 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1051 transitions. [2022-11-18 18:38:01,583 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1051 transitions. [2022-11-18 18:38:01,584 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:38:01,584 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1051 transitions. [2022-11-18 18:38:01,586 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 350.3333333333333) internal successors, (1051), 3 states have internal predecessors, (1051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:38:01,589 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 464.0) internal successors, (1856), 4 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:38:01,589 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 464.0) internal successors, (1856), 4 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:38:01,589 INFO L175 Difference]: Start difference. First operand has 326 places, 322 transitions, 668 flow. Second operand 3 states and 1051 transitions. [2022-11-18 18:38:01,590 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 327 places, 321 transitions, 724 flow [2022-11-18 18:38:01,592 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 321 transitions, 723 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 18:38:01,596 INFO L231 Difference]: Finished difference. Result has 326 places, 321 transitions, 669 flow [2022-11-18 18:38:01,596 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=464, PETRI_DIFFERENCE_MINUEND_FLOW=665, PETRI_DIFFERENCE_MINUEND_PLACES=324, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=321, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=319, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=669, PETRI_PLACES=326, PETRI_TRANSITIONS=321} [2022-11-18 18:38:01,597 INFO L288 CegarLoopForPetriNet]: 430 programPoint places, -104 predicate places. [2022-11-18 18:38:01,597 INFO L495 AbstractCegarLoop]: Abstraction has has 326 places, 321 transitions, 669 flow [2022-11-18 18:38:01,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 342.3333333333333) internal successors, (1027), 3 states have internal predecessors, (1027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:38:01,597 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:38:01,598 INFO L209 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] [2022-11-18 18:38:01,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-18 18:38:01,598 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2022-11-18 18:38:01,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:38:01,599 INFO L85 PathProgramCache]: Analyzing trace with hash -252725059, now seen corresponding path program 1 times [2022-11-18 18:38:01,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:38:01,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341157484] [2022-11-18 18:38:01,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:38:01,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:38:01,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:02,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:38:02,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:38:02,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341157484] [2022-11-18 18:38:02,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341157484] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:38:02,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:38:02,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 18:38:02,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163244137] [2022-11-18 18:38:02,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:38:02,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:38:02,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:38:02,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:38:02,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:38:02,315 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 464 [2022-11-18 18:38:02,316 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 326 places, 321 transitions, 669 flow. Second operand has 6 states, 6 states have (on average 301.1666666666667) internal successors, (1807), 6 states have internal predecessors, (1807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:38:02,317 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:38:02,317 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 464 [2022-11-18 18:38:02,317 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:38:05,740 INFO L130 PetriNetUnfolder]: 8768/13188 cut-off events. [2022-11-18 18:38:05,741 INFO L131 PetriNetUnfolder]: For 2412/2412 co-relation queries the response was YES. [2022-11-18 18:38:05,769 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26976 conditions, 13188 events. 8768/13188 cut-off events. For 2412/2412 co-relation queries the response was YES. Maximal size of possible extension queue 479. Compared 74085 event pairs, 1452 based on Foata normal form. 0/12672 useless extension candidates. Maximal degree in co-relation 26887. Up to 4804 conditions per place. [2022-11-18 18:38:05,805 INFO L137 encePairwiseOnDemand]: 459/464 looper letters, 126 selfloop transitions, 4 changer transitions 0/384 dead transitions. [2022-11-18 18:38:05,805 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 330 places, 384 transitions, 1087 flow [2022-11-18 18:38:05,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 18:38:05,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 18:38:05,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1915 transitions. [2022-11-18 18:38:05,810 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6878591954022989 [2022-11-18 18:38:05,810 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1915 transitions. [2022-11-18 18:38:05,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1915 transitions. [2022-11-18 18:38:05,811 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:38:05,812 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1915 transitions. [2022-11-18 18:38:05,815 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 319.1666666666667) internal successors, (1915), 6 states have internal predecessors, (1915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:38:05,820 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 464.0) internal successors, (3248), 7 states have internal predecessors, (3248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:38:05,821 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 464.0) internal successors, (3248), 7 states have internal predecessors, (3248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:38:05,821 INFO L175 Difference]: Start difference. First operand has 326 places, 321 transitions, 669 flow. Second operand 6 states and 1915 transitions. [2022-11-18 18:38:05,821 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 330 places, 384 transitions, 1087 flow [2022-11-18 18:38:05,825 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 328 places, 384 transitions, 1083 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 18:38:05,829 INFO L231 Difference]: Finished difference. Result has 328 places, 320 transitions, 671 flow [2022-11-18 18:38:05,829 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=464, PETRI_DIFFERENCE_MINUEND_FLOW=663, PETRI_DIFFERENCE_MINUEND_PLACES=323, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=320, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=316, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=671, PETRI_PLACES=328, PETRI_TRANSITIONS=320} [2022-11-18 18:38:05,830 INFO L288 CegarLoopForPetriNet]: 430 programPoint places, -102 predicate places. [2022-11-18 18:38:05,830 INFO L495 AbstractCegarLoop]: Abstraction has has 328 places, 320 transitions, 671 flow [2022-11-18 18:38:05,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 301.1666666666667) internal successors, (1807), 6 states have internal predecessors, (1807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:38:05,831 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:38:05,831 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:38:05,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-18 18:38:05,832 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2022-11-18 18:38:05,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:38:05,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1840340265, now seen corresponding path program 1 times [2022-11-18 18:38:05,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:38:05,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176572779] [2022-11-18 18:38:05,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:38:05,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:38:05,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:06,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:38:06,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:38:06,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176572779] [2022-11-18 18:38:06,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176572779] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:38:06,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:38:06,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 18:38:06,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902572328] [2022-11-18 18:38:06,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:38:06,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:38:06,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:38:06,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:38:06,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:38:06,877 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 464 [2022-11-18 18:38:06,879 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 328 places, 320 transitions, 671 flow. Second operand has 6 states, 6 states have (on average 302.3333333333333) internal successors, (1814), 6 states have internal predecessors, (1814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:38:06,879 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:38:06,879 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 464 [2022-11-18 18:38:06,880 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:38:10,325 INFO L130 PetriNetUnfolder]: 7748/11879 cut-off events. [2022-11-18 18:38:10,326 INFO L131 PetriNetUnfolder]: For 2664/2664 co-relation queries the response was YES. [2022-11-18 18:38:10,350 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25160 conditions, 11879 events. 7748/11879 cut-off events. For 2664/2664 co-relation queries the response was YES. Maximal size of possible extension queue 449. Compared 67391 event pairs, 4815 based on Foata normal form. 0/11384 useless extension candidates. Maximal degree in co-relation 25071. Up to 8275 conditions per place. [2022-11-18 18:38:10,380 INFO L137 encePairwiseOnDemand]: 459/464 looper letters, 109 selfloop transitions, 4 changer transitions 0/367 dead transitions. [2022-11-18 18:38:10,380 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 332 places, 367 transitions, 1023 flow [2022-11-18 18:38:10,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 18:38:10,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 18:38:10,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1898 transitions. [2022-11-18 18:38:10,385 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6817528735632183 [2022-11-18 18:38:10,385 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1898 transitions. [2022-11-18 18:38:10,385 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1898 transitions. [2022-11-18 18:38:10,386 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:38:10,387 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1898 transitions. [2022-11-18 18:38:10,390 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 316.3333333333333) internal successors, (1898), 6 states have internal predecessors, (1898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:38:10,394 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 464.0) internal successors, (3248), 7 states have internal predecessors, (3248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:38:10,395 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 464.0) internal successors, (3248), 7 states have internal predecessors, (3248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:38:10,396 INFO L175 Difference]: Start difference. First operand has 328 places, 320 transitions, 671 flow. Second operand 6 states and 1898 transitions. [2022-11-18 18:38:10,396 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 332 places, 367 transitions, 1023 flow [2022-11-18 18:38:10,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 328 places, 367 transitions, 1016 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 18:38:10,405 INFO L231 Difference]: Finished difference. Result has 328 places, 319 transitions, 670 flow [2022-11-18 18:38:10,405 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=464, PETRI_DIFFERENCE_MINUEND_FLOW=662, PETRI_DIFFERENCE_MINUEND_PLACES=323, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=319, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=670, PETRI_PLACES=328, PETRI_TRANSITIONS=319} [2022-11-18 18:38:10,406 INFO L288 CegarLoopForPetriNet]: 430 programPoint places, -102 predicate places. [2022-11-18 18:38:10,406 INFO L495 AbstractCegarLoop]: Abstraction has has 328 places, 319 transitions, 670 flow [2022-11-18 18:38:10,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 302.3333333333333) internal successors, (1814), 6 states have internal predecessors, (1814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:38:10,407 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:38:10,407 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:38:10,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-18 18:38:10,407 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2022-11-18 18:38:10,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:38:10,408 INFO L85 PathProgramCache]: Analyzing trace with hash 2114137164, now seen corresponding path program 1 times [2022-11-18 18:38:10,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:38:10,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702677878] [2022-11-18 18:38:10,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:38:10,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:38:10,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:11,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:38:11,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:38:11,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702677878] [2022-11-18 18:38:11,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702677878] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:38:11,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:38:11,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 18:38:11,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188209856] [2022-11-18 18:38:11,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:38:11,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:38:11,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:38:11,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:38:11,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:38:11,141 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 464 [2022-11-18 18:38:11,143 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 328 places, 319 transitions, 670 flow. Second operand has 6 states, 6 states have (on average 303.5) internal successors, (1821), 6 states have internal predecessors, (1821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:38:11,143 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:38:11,143 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 464 [2022-11-18 18:38:11,143 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:38:14,601 INFO L130 PetriNetUnfolder]: 7584/11764 cut-off events. [2022-11-18 18:38:14,601 INFO L131 PetriNetUnfolder]: For 2156/2156 co-relation queries the response was YES. [2022-11-18 18:38:14,628 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24253 conditions, 11764 events. 7584/11764 cut-off events. For 2156/2156 co-relation queries the response was YES. Maximal size of possible extension queue 449. Compared 67230 event pairs, 5460 based on Foata normal form. 0/11251 useless extension candidates. Maximal degree in co-relation 24164. Up to 9435 conditions per place. [2022-11-18 18:38:14,658 INFO L137 encePairwiseOnDemand]: 459/464 looper letters, 92 selfloop transitions, 4 changer transitions 0/350 dead transitions. [2022-11-18 18:38:14,658 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 332 places, 350 transitions, 956 flow [2022-11-18 18:38:14,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 18:38:14,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 18:38:14,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1881 transitions. [2022-11-18 18:38:14,663 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6756465517241379 [2022-11-18 18:38:14,663 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1881 transitions. [2022-11-18 18:38:14,663 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1881 transitions. [2022-11-18 18:38:14,664 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:38:14,664 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1881 transitions. [2022-11-18 18:38:14,668 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 313.5) internal successors, (1881), 6 states have internal predecessors, (1881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:38:14,672 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 464.0) internal successors, (3248), 7 states have internal predecessors, (3248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:38:14,673 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 464.0) internal successors, (3248), 7 states have internal predecessors, (3248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:38:14,673 INFO L175 Difference]: Start difference. First operand has 328 places, 319 transitions, 670 flow. Second operand 6 states and 1881 transitions. [2022-11-18 18:38:14,673 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 332 places, 350 transitions, 956 flow [2022-11-18 18:38:14,678 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 328 places, 350 transitions, 949 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 18:38:14,682 INFO L231 Difference]: Finished difference. Result has 328 places, 318 transitions, 669 flow [2022-11-18 18:38:14,682 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=464, PETRI_DIFFERENCE_MINUEND_FLOW=661, PETRI_DIFFERENCE_MINUEND_PLACES=323, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=318, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=314, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=669, PETRI_PLACES=328, PETRI_TRANSITIONS=318} [2022-11-18 18:38:14,683 INFO L288 CegarLoopForPetriNet]: 430 programPoint places, -102 predicate places. [2022-11-18 18:38:14,683 INFO L495 AbstractCegarLoop]: Abstraction has has 328 places, 318 transitions, 669 flow [2022-11-18 18:38:14,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 303.5) internal successors, (1821), 6 states have internal predecessors, (1821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:38:14,684 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:38:14,684 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:38:14,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-18 18:38:14,685 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2022-11-18 18:38:14,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:38:14,685 INFO L85 PathProgramCache]: Analyzing trace with hash 213324329, now seen corresponding path program 1 times [2022-11-18 18:38:14,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:38:14,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009091108] [2022-11-18 18:38:14,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:38:14,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:38:14,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:15,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:38:15,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:38:15,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009091108] [2022-11-18 18:38:15,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009091108] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:38:15,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:38:15,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 18:38:15,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559412597] [2022-11-18 18:38:15,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:38:15,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:38:15,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:38:15,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:38:15,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:38:15,645 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 464 [2022-11-18 18:38:15,647 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 328 places, 318 transitions, 669 flow. Second operand has 6 states, 6 states have (on average 304.6666666666667) internal successors, (1828), 6 states have internal predecessors, (1828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:38:15,648 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:38:15,648 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 464 [2022-11-18 18:38:15,648 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:38:18,966 INFO L130 PetriNetUnfolder]: 7712/11893 cut-off events. [2022-11-18 18:38:18,966 INFO L131 PetriNetUnfolder]: For 2124/2124 co-relation queries the response was YES. [2022-11-18 18:38:18,994 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24430 conditions, 11893 events. 7712/11893 cut-off events. For 2124/2124 co-relation queries the response was YES. Maximal size of possible extension queue 424. Compared 67412 event pairs, 5688 based on Foata normal form. 0/11393 useless extension candidates. Maximal degree in co-relation 24341. Up to 9867 conditions per place. [2022-11-18 18:38:19,033 INFO L137 encePairwiseOnDemand]: 459/464 looper letters, 75 selfloop transitions, 4 changer transitions 0/333 dead transitions. [2022-11-18 18:38:19,034 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 332 places, 333 transitions, 873 flow [2022-11-18 18:38:19,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 18:38:19,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 18:38:19,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1868 transitions. [2022-11-18 18:38:19,039 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6709770114942529 [2022-11-18 18:38:19,039 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1868 transitions. [2022-11-18 18:38:19,040 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1868 transitions. [2022-11-18 18:38:19,041 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:38:19,041 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1868 transitions. [2022-11-18 18:38:19,046 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 311.3333333333333) internal successors, (1868), 6 states have internal predecessors, (1868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:38:19,051 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 464.0) internal successors, (3248), 7 states have internal predecessors, (3248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:38:19,052 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 464.0) internal successors, (3248), 7 states have internal predecessors, (3248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:38:19,052 INFO L175 Difference]: Start difference. First operand has 328 places, 318 transitions, 669 flow. Second operand 6 states and 1868 transitions. [2022-11-18 18:38:19,052 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 332 places, 333 transitions, 873 flow [2022-11-18 18:38:19,056 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 328 places, 333 transitions, 866 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 18:38:19,061 INFO L231 Difference]: Finished difference. Result has 328 places, 317 transitions, 668 flow [2022-11-18 18:38:19,062 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=464, PETRI_DIFFERENCE_MINUEND_FLOW=660, PETRI_DIFFERENCE_MINUEND_PLACES=323, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=317, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=313, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=668, PETRI_PLACES=328, PETRI_TRANSITIONS=317} [2022-11-18 18:38:19,062 INFO L288 CegarLoopForPetriNet]: 430 programPoint places, -102 predicate places. [2022-11-18 18:38:19,062 INFO L495 AbstractCegarLoop]: Abstraction has has 328 places, 317 transitions, 668 flow [2022-11-18 18:38:19,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 304.6666666666667) internal successors, (1828), 6 states have internal predecessors, (1828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:38:19,063 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:38:19,064 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:38:19,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-18 18:38:19,064 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2022-11-18 18:38:19,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:38:19,065 INFO L85 PathProgramCache]: Analyzing trace with hash -298633673, now seen corresponding path program 1 times [2022-11-18 18:38:19,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:38:19,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138809036] [2022-11-18 18:38:19,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:38:19,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:38:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:19,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:38:19,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:38:19,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138809036] [2022-11-18 18:38:19,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138809036] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:38:19,221 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:38:19,221 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:38:19,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857556975] [2022-11-18 18:38:19,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:38:19,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:38:19,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:38:19,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:38:19,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:38:19,225 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 344 out of 464 [2022-11-18 18:38:19,226 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 328 places, 317 transitions, 668 flow. Second operand has 3 states, 3 states have (on average 348.6666666666667) internal successors, (1046), 3 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:38:19,226 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:38:19,227 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 344 of 464 [2022-11-18 18:38:19,227 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:38:20,297 INFO L130 PetriNetUnfolder]: 1232/3002 cut-off events. [2022-11-18 18:38:20,297 INFO L131 PetriNetUnfolder]: For 464/632 co-relation queries the response was YES. [2022-11-18 18:38:20,306 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5145 conditions, 3002 events. 1232/3002 cut-off events. For 464/632 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 20015 event pairs, 858 based on Foata normal form. 4/2635 useless extension candidates. Maximal degree in co-relation 5102. Up to 1662 conditions per place. [2022-11-18 18:38:20,307 INFO L137 encePairwiseOnDemand]: 462/464 looper letters, 0 selfloop transitions, 0 changer transitions 316/316 dead transitions. [2022-11-18 18:38:20,307 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 329 places, 316 transitions, 716 flow [2022-11-18 18:38:20,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:38:20,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:38:20,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1056 transitions. [2022-11-18 18:38:20,311 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7586206896551724 [2022-11-18 18:38:20,311 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1056 transitions. [2022-11-18 18:38:20,312 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1056 transitions. [2022-11-18 18:38:20,312 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:38:20,313 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1056 transitions. [2022-11-18 18:38:20,315 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) [2022-11-18 18:38:20,318 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 464.0) internal successors, (1856), 4 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:38:20,319 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 464.0) internal successors, (1856), 4 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:38:20,319 INFO L175 Difference]: Start difference. First operand has 328 places, 317 transitions, 668 flow. Second operand 3 states and 1056 transitions. [2022-11-18 18:38:20,319 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 329 places, 316 transitions, 716 flow [2022-11-18 18:38:20,322 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 325 places, 316 transitions, 709 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 18:38:20,325 INFO L231 Difference]: Finished difference. Result has 325 places, 0 transitions, 0 flow [2022-11-18 18:38:20,325 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=464, PETRI_DIFFERENCE_MINUEND_FLOW=659, PETRI_DIFFERENCE_MINUEND_PLACES=323, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=316, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=316, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=325, PETRI_TRANSITIONS=0} [2022-11-18 18:38:20,326 INFO L288 CegarLoopForPetriNet]: 430 programPoint places, -105 predicate places. [2022-11-18 18:38:20,326 INFO L495 AbstractCegarLoop]: Abstraction has has 325 places, 0 transitions, 0 flow [2022-11-18 18:38:20,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 348.6666666666667) internal successors, (1046), 3 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:38:20,329 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (185 of 186 remaining) [2022-11-18 18:38:20,332 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (184 of 186 remaining) [2022-11-18 18:38:20,332 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (183 of 186 remaining) [2022-11-18 18:38:20,332 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (182 of 186 remaining) [2022-11-18 18:38:20,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (181 of 186 remaining) [2022-11-18 18:38:20,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (180 of 186 remaining) [2022-11-18 18:38:20,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (179 of 186 remaining) [2022-11-18 18:38:20,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (178 of 186 remaining) [2022-11-18 18:38:20,334 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (177 of 186 remaining) [2022-11-18 18:38:20,334 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (176 of 186 remaining) [2022-11-18 18:38:20,334 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (175 of 186 remaining) [2022-11-18 18:38:20,335 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (174 of 186 remaining) [2022-11-18 18:38:20,335 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (173 of 186 remaining) [2022-11-18 18:38:20,335 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (172 of 186 remaining) [2022-11-18 18:38:20,336 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (171 of 186 remaining) [2022-11-18 18:38:20,336 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (170 of 186 remaining) [2022-11-18 18:38:20,336 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (169 of 186 remaining) [2022-11-18 18:38:20,336 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (168 of 186 remaining) [2022-11-18 18:38:20,337 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (167 of 186 remaining) [2022-11-18 18:38:20,337 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (166 of 186 remaining) [2022-11-18 18:38:20,337 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (165 of 186 remaining) [2022-11-18 18:38:20,337 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (164 of 186 remaining) [2022-11-18 18:38:20,338 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (163 of 186 remaining) [2022-11-18 18:38:20,338 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (162 of 186 remaining) [2022-11-18 18:38:20,338 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (161 of 186 remaining) [2022-11-18 18:38:20,338 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (160 of 186 remaining) [2022-11-18 18:38:20,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (159 of 186 remaining) [2022-11-18 18:38:20,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (158 of 186 remaining) [2022-11-18 18:38:20,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (157 of 186 remaining) [2022-11-18 18:38:20,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (156 of 186 remaining) [2022-11-18 18:38:20,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (155 of 186 remaining) [2022-11-18 18:38:20,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (154 of 186 remaining) [2022-11-18 18:38:20,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (153 of 186 remaining) [2022-11-18 18:38:20,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (152 of 186 remaining) [2022-11-18 18:38:20,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (151 of 186 remaining) [2022-11-18 18:38:20,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (150 of 186 remaining) [2022-11-18 18:38:20,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (149 of 186 remaining) [2022-11-18 18:38:20,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (148 of 186 remaining) [2022-11-18 18:38:20,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (147 of 186 remaining) [2022-11-18 18:38:20,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (146 of 186 remaining) [2022-11-18 18:38:20,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (145 of 186 remaining) [2022-11-18 18:38:20,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (144 of 186 remaining) [2022-11-18 18:38:20,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (143 of 186 remaining) [2022-11-18 18:38:20,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (142 of 186 remaining) [2022-11-18 18:38:20,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (141 of 186 remaining) [2022-11-18 18:38:20,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (140 of 186 remaining) [2022-11-18 18:38:20,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (139 of 186 remaining) [2022-11-18 18:38:20,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (138 of 186 remaining) [2022-11-18 18:38:20,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (137 of 186 remaining) [2022-11-18 18:38:20,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (136 of 186 remaining) [2022-11-18 18:38:20,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (135 of 186 remaining) [2022-11-18 18:38:20,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (134 of 186 remaining) [2022-11-18 18:38:20,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (133 of 186 remaining) [2022-11-18 18:38:20,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (132 of 186 remaining) [2022-11-18 18:38:20,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (131 of 186 remaining) [2022-11-18 18:38:20,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (130 of 186 remaining) [2022-11-18 18:38:20,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (129 of 186 remaining) [2022-11-18 18:38:20,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (128 of 186 remaining) [2022-11-18 18:38:20,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (127 of 186 remaining) [2022-11-18 18:38:20,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (126 of 186 remaining) [2022-11-18 18:38:20,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (125 of 186 remaining) [2022-11-18 18:38:20,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (124 of 186 remaining) [2022-11-18 18:38:20,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (123 of 186 remaining) [2022-11-18 18:38:20,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (122 of 186 remaining) [2022-11-18 18:38:20,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (121 of 186 remaining) [2022-11-18 18:38:20,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (120 of 186 remaining) [2022-11-18 18:38:20,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (119 of 186 remaining) [2022-11-18 18:38:20,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (118 of 186 remaining) [2022-11-18 18:38:20,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (117 of 186 remaining) [2022-11-18 18:38:20,350 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (116 of 186 remaining) [2022-11-18 18:38:20,350 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (115 of 186 remaining) [2022-11-18 18:38:20,350 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (114 of 186 remaining) [2022-11-18 18:38:20,350 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (113 of 186 remaining) [2022-11-18 18:38:20,351 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (112 of 186 remaining) [2022-11-18 18:38:20,351 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (111 of 186 remaining) [2022-11-18 18:38:20,351 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (110 of 186 remaining) [2022-11-18 18:38:20,351 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (109 of 186 remaining) [2022-11-18 18:38:20,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (108 of 186 remaining) [2022-11-18 18:38:20,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (107 of 186 remaining) [2022-11-18 18:38:20,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (106 of 186 remaining) [2022-11-18 18:38:20,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (105 of 186 remaining) [2022-11-18 18:38:20,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (104 of 186 remaining) [2022-11-18 18:38:20,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (103 of 186 remaining) [2022-11-18 18:38:20,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (102 of 186 remaining) [2022-11-18 18:38:20,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (101 of 186 remaining) [2022-11-18 18:38:20,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (100 of 186 remaining) [2022-11-18 18:38:20,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (99 of 186 remaining) [2022-11-18 18:38:20,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (98 of 186 remaining) [2022-11-18 18:38:20,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (97 of 186 remaining) [2022-11-18 18:38:20,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (96 of 186 remaining) [2022-11-18 18:38:20,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (95 of 186 remaining) [2022-11-18 18:38:20,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (94 of 186 remaining) [2022-11-18 18:38:20,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (93 of 186 remaining) [2022-11-18 18:38:20,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (92 of 186 remaining) [2022-11-18 18:38:20,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (91 of 186 remaining) [2022-11-18 18:38:20,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (90 of 186 remaining) [2022-11-18 18:38:20,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (89 of 186 remaining) [2022-11-18 18:38:20,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (88 of 186 remaining) [2022-11-18 18:38:20,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (87 of 186 remaining) [2022-11-18 18:38:20,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (86 of 186 remaining) [2022-11-18 18:38:20,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (85 of 186 remaining) [2022-11-18 18:38:20,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (84 of 186 remaining) [2022-11-18 18:38:20,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err15ASSERT_VIOLATIONDATA_RACE (83 of 186 remaining) [2022-11-18 18:38:20,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err16ASSERT_VIOLATIONDATA_RACE (82 of 186 remaining) [2022-11-18 18:38:20,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err17ASSERT_VIOLATIONDATA_RACE (81 of 186 remaining) [2022-11-18 18:38:20,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err18ASSERT_VIOLATIONDATA_RACE (80 of 186 remaining) [2022-11-18 18:38:20,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err19ASSERT_VIOLATIONDATA_RACE (79 of 186 remaining) [2022-11-18 18:38:20,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (78 of 186 remaining) [2022-11-18 18:38:20,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (77 of 186 remaining) [2022-11-18 18:38:20,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (76 of 186 remaining) [2022-11-18 18:38:20,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (75 of 186 remaining) [2022-11-18 18:38:20,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (74 of 186 remaining) [2022-11-18 18:38:20,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (73 of 186 remaining) [2022-11-18 18:38:20,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (72 of 186 remaining) [2022-11-18 18:38:20,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (71 of 186 remaining) [2022-11-18 18:38:20,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (70 of 186 remaining) [2022-11-18 18:38:20,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (69 of 186 remaining) [2022-11-18 18:38:20,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (68 of 186 remaining) [2022-11-18 18:38:20,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (67 of 186 remaining) [2022-11-18 18:38:20,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (66 of 186 remaining) [2022-11-18 18:38:20,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (65 of 186 remaining) [2022-11-18 18:38:20,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (64 of 186 remaining) [2022-11-18 18:38:20,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (63 of 186 remaining) [2022-11-18 18:38:20,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (62 of 186 remaining) [2022-11-18 18:38:20,364 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (61 of 186 remaining) [2022-11-18 18:38:20,364 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (60 of 186 remaining) [2022-11-18 18:38:20,364 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (59 of 186 remaining) [2022-11-18 18:38:20,364 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (58 of 186 remaining) [2022-11-18 18:38:20,365 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (57 of 186 remaining) [2022-11-18 18:38:20,365 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (56 of 186 remaining) [2022-11-18 18:38:20,365 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (55 of 186 remaining) [2022-11-18 18:38:20,365 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (54 of 186 remaining) [2022-11-18 18:38:20,366 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (53 of 186 remaining) [2022-11-18 18:38:20,366 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (52 of 186 remaining) [2022-11-18 18:38:20,366 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (51 of 186 remaining) [2022-11-18 18:38:20,366 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (50 of 186 remaining) [2022-11-18 18:38:20,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (49 of 186 remaining) [2022-11-18 18:38:20,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (48 of 186 remaining) [2022-11-18 18:38:20,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (47 of 186 remaining) [2022-11-18 18:38:20,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (46 of 186 remaining) [2022-11-18 18:38:20,368 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (45 of 186 remaining) [2022-11-18 18:38:20,368 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (44 of 186 remaining) [2022-11-18 18:38:20,368 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (43 of 186 remaining) [2022-11-18 18:38:20,368 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (42 of 186 remaining) [2022-11-18 18:38:20,369 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (41 of 186 remaining) [2022-11-18 18:38:20,369 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (40 of 186 remaining) [2022-11-18 18:38:20,369 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (39 of 186 remaining) [2022-11-18 18:38:20,369 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (38 of 186 remaining) [2022-11-18 18:38:20,370 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (37 of 186 remaining) [2022-11-18 18:38:20,370 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (36 of 186 remaining) [2022-11-18 18:38:20,370 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (35 of 186 remaining) [2022-11-18 18:38:20,370 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (34 of 186 remaining) [2022-11-18 18:38:20,371 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (33 of 186 remaining) [2022-11-18 18:38:20,371 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (32 of 186 remaining) [2022-11-18 18:38:20,371 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (31 of 186 remaining) [2022-11-18 18:38:20,371 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (30 of 186 remaining) [2022-11-18 18:38:20,372 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (29 of 186 remaining) [2022-11-18 18:38:20,372 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (28 of 186 remaining) [2022-11-18 18:38:20,372 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (27 of 186 remaining) [2022-11-18 18:38:20,372 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (26 of 186 remaining) [2022-11-18 18:38:20,373 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (25 of 186 remaining) [2022-11-18 18:38:20,373 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (24 of 186 remaining) [2022-11-18 18:38:20,373 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (23 of 186 remaining) [2022-11-18 18:38:20,373 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (22 of 186 remaining) [2022-11-18 18:38:20,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (21 of 186 remaining) [2022-11-18 18:38:20,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (20 of 186 remaining) [2022-11-18 18:38:20,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (19 of 186 remaining) [2022-11-18 18:38:20,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (18 of 186 remaining) [2022-11-18 18:38:20,375 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (17 of 186 remaining) [2022-11-18 18:38:20,375 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (16 of 186 remaining) [2022-11-18 18:38:20,375 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (15 of 186 remaining) [2022-11-18 18:38:20,375 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (14 of 186 remaining) [2022-11-18 18:38:20,376 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (13 of 186 remaining) [2022-11-18 18:38:20,376 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (12 of 186 remaining) [2022-11-18 18:38:20,376 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (11 of 186 remaining) [2022-11-18 18:38:20,376 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (10 of 186 remaining) [2022-11-18 18:38:20,377 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (9 of 186 remaining) [2022-11-18 18:38:20,377 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (8 of 186 remaining) [2022-11-18 18:38:20,377 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (7 of 186 remaining) [2022-11-18 18:38:20,377 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (6 of 186 remaining) [2022-11-18 18:38:20,378 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (5 of 186 remaining) [2022-11-18 18:38:20,378 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err15ASSERT_VIOLATIONDATA_RACE (4 of 186 remaining) [2022-11-18 18:38:20,378 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err16ASSERT_VIOLATIONDATA_RACE (3 of 186 remaining) [2022-11-18 18:38:20,378 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err17ASSERT_VIOLATIONDATA_RACE (2 of 186 remaining) [2022-11-18 18:38:20,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err18ASSERT_VIOLATIONDATA_RACE (1 of 186 remaining) [2022-11-18 18:38:20,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err19ASSERT_VIOLATIONDATA_RACE (0 of 186 remaining) [2022-11-18 18:38:20,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-18 18:38:20,380 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:38:20,387 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-18 18:38:20,387 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 18:38:20,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 06:38:20 BasicIcfg [2022-11-18 18:38:20,393 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 18:38:20,393 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 18:38:20,393 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 18:38:20,394 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 18:38:20,394 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:37:41" (3/4) ... [2022-11-18 18:38:20,397 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 18:38:20,402 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-18 18:38:20,403 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-18 18:38:20,403 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-18 18:38:20,403 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2022-11-18 18:38:20,411 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2022-11-18 18:38:20,411 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-18 18:38:20,412 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-18 18:38:20,412 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 18:38:20,467 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cca1dff-c54d-4ec7-9aaa-0689d5334995/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 18:38:20,467 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 18:38:20,468 INFO L158 Benchmark]: Toolchain (without parser) took 41489.29ms. Allocated memory was 100.7MB in the beginning and 9.7GB in the end (delta: 9.6GB). Free memory was 60.0MB in the beginning and 8.0GB in the end (delta: -8.0GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2022-11-18 18:38:20,468 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 100.7MB. Free memory is still 76.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:38:20,468 INFO L158 Benchmark]: CACSL2BoogieTranslator took 421.11ms. Allocated memory is still 100.7MB. Free memory was 59.8MB in the beginning and 72.6MB in the end (delta: -12.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 18:38:20,469 INFO L158 Benchmark]: Boogie Procedure Inliner took 111.53ms. Allocated memory is still 100.7MB. Free memory was 72.6MB in the beginning and 68.0MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 18:38:20,469 INFO L158 Benchmark]: Boogie Preprocessor took 56.17ms. Allocated memory is still 100.7MB. Free memory was 68.0MB in the beginning and 63.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 18:38:20,470 INFO L158 Benchmark]: RCFGBuilder took 2036.99ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 63.8MB in the beginning and 81.3MB in the end (delta: -17.5MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. [2022-11-18 18:38:20,470 INFO L158 Benchmark]: TraceAbstraction took 38781.95ms. Allocated memory was 121.6MB in the beginning and 9.7GB in the end (delta: 9.6GB). Free memory was 80.9MB in the beginning and 8.1GB in the end (delta: -8.0GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2022-11-18 18:38:20,471 INFO L158 Benchmark]: Witness Printer took 73.97ms. Allocated memory is still 9.7GB. Free memory was 8.1GB in the beginning and 8.0GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 18:38:20,472 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 100.7MB. Free memory is still 76.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 421.11ms. Allocated memory is still 100.7MB. Free memory was 59.8MB in the beginning and 72.6MB in the end (delta: -12.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 111.53ms. Allocated memory is still 100.7MB. Free memory was 72.6MB in the beginning and 68.0MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.17ms. Allocated memory is still 100.7MB. Free memory was 68.0MB in the beginning and 63.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2036.99ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 63.8MB in the beginning and 81.3MB in the end (delta: -17.5MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. * TraceAbstraction took 38781.95ms. Allocated memory was 121.6MB in the beginning and 9.7GB in the end (delta: 9.6GB). Free memory was 80.9MB in the beginning and 8.1GB in the end (delta: -8.0GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. * Witness Printer took 73.97ms. Allocated memory is still 9.7GB. Free memory was 8.1GB in the beginning and 8.0GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. 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: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: 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: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 132]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 136]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 138]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 138]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 166]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 139]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 139]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 166]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 140]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 140]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 166]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 142]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 149]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 150]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 151]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 152]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 154]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: 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 9 procedures, 556 locations, 186 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: 38.5s, OverallIterations: 21, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 32.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 293 SdHoareTripleChecker+Valid, 3.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 293 mSDsluCounter, 245 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 193 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1477 IncrementalHoareTripleChecker+Invalid, 1670 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 193 mSolverCounterUnsat, 245 mSDtfsCounter, 1477 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=900occurred in iteration=0, InterpolantAutomatonStates: 78, 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, 4.5s InterpolantComputationTime, 2585 NumberOfCodeBlocks, 2585 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 2564 ConstructedInterpolants, 0 QuantifiedInterpolants, 3035 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 21 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 103 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-18 18:38:20,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cca1dff-c54d-4ec7-9aaa-0689d5334995/bin/uautomizer-TMbwUNV5ro/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