./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-queue-add-3-nl.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6b4ec56b 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_725042a7-67ce-4264-a043-bf8546b97ddb/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725042a7-67ce-4264-a043-bf8546b97ddb/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725042a7-67ce-4264-a043-bf8546b97ddb/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725042a7-67ce-4264-a043-bf8546b97ddb/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-queue-add-3-nl.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725042a7-67ce-4264-a043-bf8546b97ddb/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725042a7-67ce-4264-a043-bf8546b97ddb/bin/uautomizer-ug76WZFUDN --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 c6847e0a77224cc67de11826c53270ee36a6eb5754e5add0bb0a49165dff2879 --- 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-6b4ec56 [2022-11-20 10:31:24,639 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:31:24,641 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:31:24,669 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:31:24,673 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:31:24,677 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:31:24,680 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:31:24,683 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:31:24,686 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:31:24,693 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:31:24,694 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:31:24,695 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:31:24,696 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:31:24,699 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:31:24,703 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:31:24,704 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:31:24,707 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:31:24,708 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:31:24,710 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:31:24,712 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:31:24,717 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:31:24,718 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:31:24,720 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:31:24,721 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:31:24,724 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:31:24,727 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:31:24,728 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:31:24,728 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:31:24,730 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:31:24,731 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:31:24,732 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:31:24,733 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:31:24,735 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:31:24,736 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:31:24,738 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:31:24,739 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:31:24,739 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:31:24,740 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:31:24,740 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:31:24,742 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:31:24,743 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:31:24,743 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725042a7-67ce-4264-a043-bf8546b97ddb/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-20 10:31:24,781 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:31:24,782 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:31:24,782 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:31:24,783 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:31:24,784 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:31:24,784 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:31:24,784 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:31:24,785 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:31:24,785 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:31:24,785 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:31:24,786 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 10:31:24,787 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 10:31:24,787 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:31:24,787 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 10:31:24,787 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:31:24,788 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:31:24,788 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:31:24,788 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:31:24,788 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-20 10:31:24,788 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 10:31:24,789 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:31:24,789 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:31:24,789 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:31:24,789 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:31:24,789 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:31:24,790 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:31:24,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:31:24,790 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:31:24,791 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:31:24,791 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:31:24,791 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:31:24,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:31:24,792 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:31:24,792 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:31:24,792 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:31:24,793 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_725042a7-67ce-4264-a043-bf8546b97ddb/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725042a7-67ce-4264-a043-bf8546b97ddb/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6847e0a77224cc67de11826c53270ee36a6eb5754e5add0bb0a49165dff2879 [2022-11-20 10:31:25,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:31:25,109 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:31:25,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:31:25,112 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:31:25,113 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:31:25,114 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725042a7-67ce-4264-a043-bf8546b97ddb/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/weaver/popl20-more-queue-add-3-nl.wvr.c [2022-11-20 10:31:28,196 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:31:28,430 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:31:28,431 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725042a7-67ce-4264-a043-bf8546b97ddb/sv-benchmarks/c/weaver/popl20-more-queue-add-3-nl.wvr.c [2022-11-20 10:31:28,438 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725042a7-67ce-4264-a043-bf8546b97ddb/bin/uautomizer-ug76WZFUDN/data/9019a25d5/aaf1e637aa6f4ce19a24e2c17a8677b1/FLAGcd754f9eb [2022-11-20 10:31:28,477 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725042a7-67ce-4264-a043-bf8546b97ddb/bin/uautomizer-ug76WZFUDN/data/9019a25d5/aaf1e637aa6f4ce19a24e2c17a8677b1 [2022-11-20 10:31:28,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:31:28,484 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:31:28,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:31:28,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:31:28,489 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:31:28,490 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:31:28" (1/1) ... [2022-11-20 10:31:28,491 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e1d699f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:28, skipping insertion in model container [2022-11-20 10:31:28,492 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:31:28" (1/1) ... [2022-11-20 10:31:28,500 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:31:28,540 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:31:28,715 WARN L237 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_725042a7-67ce-4264-a043-bf8546b97ddb/sv-benchmarks/c/weaver/popl20-more-queue-add-3-nl.wvr.c[3615,3628] [2022-11-20 10:31:28,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:31:28,741 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:31:28,781 WARN L237 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_725042a7-67ce-4264-a043-bf8546b97ddb/sv-benchmarks/c/weaver/popl20-more-queue-add-3-nl.wvr.c[3615,3628] [2022-11-20 10:31:28,787 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:31:28,804 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:31:28,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:28 WrapperNode [2022-11-20 10:31:28,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:31:28,805 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:31:28,806 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:31:28,806 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:31:28,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:28" (1/1) ... [2022-11-20 10:31:28,826 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:28" (1/1) ... [2022-11-20 10:31:28,870 INFO L138 Inliner]: procedures = 26, calls = 55, calls flagged for inlining = 16, calls inlined = 18, statements flattened = 551 [2022-11-20 10:31:28,870 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:31:28,871 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:31:28,871 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:31:28,871 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:31:28,881 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:28" (1/1) ... [2022-11-20 10:31:28,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:28" (1/1) ... [2022-11-20 10:31:28,889 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:28" (1/1) ... [2022-11-20 10:31:28,889 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:28" (1/1) ... [2022-11-20 10:31:28,908 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:28" (1/1) ... [2022-11-20 10:31:28,914 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:28" (1/1) ... [2022-11-20 10:31:28,917 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:28" (1/1) ... [2022-11-20 10:31:28,919 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:28" (1/1) ... [2022-11-20 10:31:28,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:31:28,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:31:28,925 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:31:28,925 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:31:28,926 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:28" (1/1) ... [2022-11-20 10:31:28,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:31:28,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725042a7-67ce-4264-a043-bf8546b97ddb/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:31:28,972 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725042a7-67ce-4264-a043-bf8546b97ddb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:31:29,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725042a7-67ce-4264-a043-bf8546b97ddb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:31:29,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:31:29,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 10:31:29,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 10:31:29,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 10:31:29,025 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 10:31:29,026 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 10:31:29,027 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 10:31:29,027 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 10:31:29,028 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-20 10:31:29,028 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-20 10:31:29,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 10:31:29,028 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 10:31:29,028 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 10:31:29,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 10:31:29,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:31:29,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:31:29,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 10:31:29,031 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 10:31:29,200 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:31:29,202 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:31:30,188 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:31:30,810 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:31:30,811 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-20 10:31:30,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:31:30 BoogieIcfgContainer [2022-11-20 10:31:30,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:31:30,820 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:31:30,820 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:31:30,823 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:31:30,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:31:28" (1/3) ... [2022-11-20 10:31:30,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@763b7a5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:31:30, skipping insertion in model container [2022-11-20 10:31:30,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:28" (2/3) ... [2022-11-20 10:31:30,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@763b7a5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:31:30, skipping insertion in model container [2022-11-20 10:31:30,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:31:30" (3/3) ... [2022-11-20 10:31:30,829 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-queue-add-3-nl.wvr.c [2022-11-20 10:31:30,839 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 10:31:30,849 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:31:30,850 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 89 error locations. [2022-11-20 10:31:30,850 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 10:31:31,055 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-20 10:31:31,113 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 456 places, 466 transitions, 956 flow [2022-11-20 10:31:31,332 INFO L130 PetriNetUnfolder]: 20/463 cut-off events. [2022-11-20 10:31:31,332 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-20 10:31:31,343 INFO L83 FinitePrefix]: Finished finitePrefix Result has 476 conditions, 463 events. 20/463 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 843 event pairs, 0 based on Foata normal form. 0/354 useless extension candidates. Maximal degree in co-relation 344. Up to 3 conditions per place. [2022-11-20 10:31:31,344 INFO L82 GeneralOperation]: Start removeDead. Operand has 456 places, 466 transitions, 956 flow [2022-11-20 10:31:31,358 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 431 places, 439 transitions, 896 flow [2022-11-20 10:31:31,374 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:31:31,381 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;@7c4d32ab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:31:31,382 INFO L358 AbstractCegarLoop]: Starting to check reachability of 155 error locations. [2022-11-20 10:31:31,393 INFO L130 PetriNetUnfolder]: 0/33 cut-off events. [2022-11-20 10:31:31,394 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 10:31:31,394 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:31:31,395 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] [2022-11-20 10:31:31,396 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2022-11-20 10:31:31,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:31,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1492166791, now seen corresponding path program 1 times [2022-11-20 10:31:31,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:31,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625768938] [2022-11-20 10:31:31,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:31,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:31,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:31,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:31:31,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:31,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625768938] [2022-11-20 10:31:31,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625768938] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:31,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:31,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:31:31,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485091529] [2022-11-20 10:31:31,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:31,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:31,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:31,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:31,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:31,746 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 379 out of 466 [2022-11-20 10:31:31,753 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 431 places, 439 transitions, 896 flow. Second operand has 3 states, 3 states have (on average 380.3333333333333) internal successors, (1141), 3 states have internal predecessors, (1141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:31,754 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:31:31,754 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 379 of 466 [2022-11-20 10:31:31,755 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:31:33,130 INFO L130 PetriNetUnfolder]: 762/3453 cut-off events. [2022-11-20 10:31:33,131 INFO L131 PetriNetUnfolder]: For 172/172 co-relation queries the response was YES. [2022-11-20 10:31:33,145 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4743 conditions, 3453 events. 762/3453 cut-off events. For 172/172 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 29201 event pairs, 566 based on Foata normal form. 270/2990 useless extension candidates. Maximal degree in co-relation 4351. Up to 1120 conditions per place. [2022-11-20 10:31:33,169 INFO L137 encePairwiseOnDemand]: 407/466 looper letters, 26 selfloop transitions, 2 changer transitions 5/382 dead transitions. [2022-11-20 10:31:33,170 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 382 transitions, 838 flow [2022-11-20 10:31:33,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:33,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:31:33,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1222 transitions. [2022-11-20 10:31:33,192 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8741058655221745 [2022-11-20 10:31:33,193 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1222 transitions. [2022-11-20 10:31:33,193 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1222 transitions. [2022-11-20 10:31:33,198 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:31:33,201 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1222 transitions. [2022-11-20 10:31:33,208 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 407.3333333333333) internal successors, (1222), 3 states have internal predecessors, (1222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:33,218 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:33,220 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:33,221 INFO L175 Difference]: Start difference. First operand has 431 places, 439 transitions, 896 flow. Second operand 3 states and 1222 transitions. [2022-11-20 10:31:33,223 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 382 transitions, 838 flow [2022-11-20 10:31:33,233 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 382 transitions, 826 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-11-20 10:31:33,241 INFO L231 Difference]: Finished difference. Result has 382 places, 377 transitions, 764 flow [2022-11-20 10:31:33,244 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=466, PETRI_DIFFERENCE_MINUEND_FLOW=770, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=380, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=764, PETRI_PLACES=382, PETRI_TRANSITIONS=377} [2022-11-20 10:31:33,248 INFO L288 CegarLoopForPetriNet]: 431 programPoint places, -49 predicate places. [2022-11-20 10:31:33,249 INFO L495 AbstractCegarLoop]: Abstraction has has 382 places, 377 transitions, 764 flow [2022-11-20 10:31:33,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 380.3333333333333) internal successors, (1141), 3 states have internal predecessors, (1141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:33,250 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:31:33,250 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] [2022-11-20 10:31:33,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 10:31:33,251 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2022-11-20 10:31:33,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:33,251 INFO L85 PathProgramCache]: Analyzing trace with hash 891828916, now seen corresponding path program 1 times [2022-11-20 10:31:33,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:33,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845028028] [2022-11-20 10:31:33,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:33,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:33,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:33,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:31:33,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:33,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845028028] [2022-11-20 10:31:33,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845028028] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:33,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:33,342 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:31:33,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270195832] [2022-11-20 10:31:33,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:33,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:33,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:33,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:33,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:33,347 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 382 out of 466 [2022-11-20 10:31:33,348 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 377 transitions, 764 flow. Second operand has 3 states, 3 states have (on average 383.3333333333333) internal successors, (1150), 3 states have internal predecessors, (1150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:33,349 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:31:33,349 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 382 of 466 [2022-11-20 10:31:33,349 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:31:33,797 INFO L130 PetriNetUnfolder]: 120/1477 cut-off events. [2022-11-20 10:31:33,798 INFO L131 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2022-11-20 10:31:33,806 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1694 conditions, 1477 events. 120/1477 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 9709 event pairs, 77 based on Foata normal form. 0/1184 useless extension candidates. Maximal degree in co-relation 1652. Up to 186 conditions per place. [2022-11-20 10:31:33,816 INFO L137 encePairwiseOnDemand]: 463/466 looper letters, 22 selfloop transitions, 2 changer transitions 0/376 dead transitions. [2022-11-20 10:31:33,817 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 376 transitions, 810 flow [2022-11-20 10:31:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:33,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:31:33,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1171 transitions. [2022-11-20 10:31:33,821 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8376251788268956 [2022-11-20 10:31:33,821 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1171 transitions. [2022-11-20 10:31:33,822 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1171 transitions. [2022-11-20 10:31:33,823 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:31:33,823 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1171 transitions. [2022-11-20 10:31:33,826 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 390.3333333333333) internal successors, (1171), 3 states have internal predecessors, (1171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:33,830 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:33,832 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:33,832 INFO L175 Difference]: Start difference. First operand has 382 places, 377 transitions, 764 flow. Second operand 3 states and 1171 transitions. [2022-11-20 10:31:33,832 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 376 transitions, 810 flow [2022-11-20 10:31:33,836 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 376 transitions, 806 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:31:33,842 INFO L231 Difference]: Finished difference. Result has 376 places, 376 transitions, 762 flow [2022-11-20 10:31:33,843 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=466, PETRI_DIFFERENCE_MINUEND_FLOW=758, PETRI_DIFFERENCE_MINUEND_PLACES=374, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=376, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=374, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=762, PETRI_PLACES=376, PETRI_TRANSITIONS=376} [2022-11-20 10:31:33,844 INFO L288 CegarLoopForPetriNet]: 431 programPoint places, -55 predicate places. [2022-11-20 10:31:33,844 INFO L495 AbstractCegarLoop]: Abstraction has has 376 places, 376 transitions, 762 flow [2022-11-20 10:31:33,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 383.3333333333333) internal successors, (1150), 3 states have internal predecessors, (1150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:33,845 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:31:33,845 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] [2022-11-20 10:31:33,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 10:31:33,846 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2022-11-20 10:31:33,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:33,847 INFO L85 PathProgramCache]: Analyzing trace with hash 31746082, now seen corresponding path program 1 times [2022-11-20 10:31:33,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:33,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193340910] [2022-11-20 10:31:33,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:33,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:33,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:33,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:31:33,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:33,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193340910] [2022-11-20 10:31:33,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193340910] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:33,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:33,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:31:33,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426315535] [2022-11-20 10:31:33,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:33,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:33,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:33,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:33,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:33,913 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 388 out of 466 [2022-11-20 10:31:33,915 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 376 transitions, 762 flow. Second operand has 3 states, 3 states have (on average 389.3333333333333) internal successors, (1168), 3 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:33,915 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:31:33,915 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 388 of 466 [2022-11-20 10:31:33,915 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:31:34,202 INFO L130 PetriNetUnfolder]: 78/1062 cut-off events. [2022-11-20 10:31:34,203 INFO L131 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2022-11-20 10:31:34,207 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1196 conditions, 1062 events. 78/1062 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 5387 event pairs, 38 based on Foata normal form. 0/863 useless extension candidates. Maximal degree in co-relation 1147. Up to 115 conditions per place. [2022-11-20 10:31:34,213 INFO L137 encePairwiseOnDemand]: 463/466 looper letters, 17 selfloop transitions, 2 changer transitions 0/375 dead transitions. [2022-11-20 10:31:34,213 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 377 places, 375 transitions, 798 flow [2022-11-20 10:31:34,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:34,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:31:34,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1184 transitions. [2022-11-20 10:31:34,217 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8469241773962805 [2022-11-20 10:31:34,217 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1184 transitions. [2022-11-20 10:31:34,217 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1184 transitions. [2022-11-20 10:31:34,218 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:31:34,218 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1184 transitions. [2022-11-20 10:31:34,221 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 394.6666666666667) internal successors, (1184), 3 states have internal predecessors, (1184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:34,224 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:34,226 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:34,226 INFO L175 Difference]: Start difference. First operand has 376 places, 376 transitions, 762 flow. Second operand 3 states and 1184 transitions. [2022-11-20 10:31:34,226 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 377 places, 375 transitions, 798 flow [2022-11-20 10:31:34,228 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 375 transitions, 794 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:31:34,233 INFO L231 Difference]: Finished difference. Result has 375 places, 375 transitions, 760 flow [2022-11-20 10:31:34,234 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=466, PETRI_DIFFERENCE_MINUEND_FLOW=756, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=375, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=373, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=760, PETRI_PLACES=375, PETRI_TRANSITIONS=375} [2022-11-20 10:31:34,235 INFO L288 CegarLoopForPetriNet]: 431 programPoint places, -56 predicate places. [2022-11-20 10:31:34,235 INFO L495 AbstractCegarLoop]: Abstraction has has 375 places, 375 transitions, 760 flow [2022-11-20 10:31:34,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 389.3333333333333) internal successors, (1168), 3 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:34,236 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:31:34,236 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] [2022-11-20 10:31:34,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 10:31:34,237 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2022-11-20 10:31:34,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:34,237 INFO L85 PathProgramCache]: Analyzing trace with hash 309713196, now seen corresponding path program 1 times [2022-11-20 10:31:34,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:34,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627260247] [2022-11-20 10:31:34,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:34,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:34,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:31:34,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:34,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627260247] [2022-11-20 10:31:34,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627260247] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:34,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:34,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:31:34,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121681342] [2022-11-20 10:31:34,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:34,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:34,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:34,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:34,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:34,290 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 388 out of 466 [2022-11-20 10:31:34,292 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 375 transitions, 760 flow. Second operand has 3 states, 3 states have (on average 389.3333333333333) internal successors, (1168), 3 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:34,292 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:31:34,292 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 388 of 466 [2022-11-20 10:31:34,292 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:31:34,539 INFO L130 PetriNetUnfolder]: 78/1061 cut-off events. [2022-11-20 10:31:34,539 INFO L131 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2022-11-20 10:31:34,545 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1195 conditions, 1061 events. 78/1061 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 5401 event pairs, 38 based on Foata normal form. 0/863 useless extension candidates. Maximal degree in co-relation 1139. Up to 115 conditions per place. [2022-11-20 10:31:34,551 INFO L137 encePairwiseOnDemand]: 463/466 looper letters, 17 selfloop transitions, 2 changer transitions 0/374 dead transitions. [2022-11-20 10:31:34,551 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 374 transitions, 796 flow [2022-11-20 10:31:34,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:34,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:31:34,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1184 transitions. [2022-11-20 10:31:34,556 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8469241773962805 [2022-11-20 10:31:34,556 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1184 transitions. [2022-11-20 10:31:34,556 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1184 transitions. [2022-11-20 10:31:34,557 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:31:34,557 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1184 transitions. [2022-11-20 10:31:34,560 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 394.6666666666667) internal successors, (1184), 3 states have internal predecessors, (1184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:34,563 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:34,564 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:34,564 INFO L175 Difference]: Start difference. First operand has 375 places, 375 transitions, 760 flow. Second operand 3 states and 1184 transitions. [2022-11-20 10:31:34,565 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 374 transitions, 796 flow [2022-11-20 10:31:34,567 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 374 transitions, 792 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:31:34,572 INFO L231 Difference]: Finished difference. Result has 374 places, 374 transitions, 758 flow [2022-11-20 10:31:34,573 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=466, PETRI_DIFFERENCE_MINUEND_FLOW=754, PETRI_DIFFERENCE_MINUEND_PLACES=372, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=374, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=758, PETRI_PLACES=374, PETRI_TRANSITIONS=374} [2022-11-20 10:31:34,573 INFO L288 CegarLoopForPetriNet]: 431 programPoint places, -57 predicate places. [2022-11-20 10:31:34,574 INFO L495 AbstractCegarLoop]: Abstraction has has 374 places, 374 transitions, 758 flow [2022-11-20 10:31:34,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 389.3333333333333) internal successors, (1168), 3 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:34,575 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:31:34,575 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] [2022-11-20 10:31:34,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 10:31:34,575 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2022-11-20 10:31:34,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:34,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1293955141, now seen corresponding path program 1 times [2022-11-20 10:31:34,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:34,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030521744] [2022-11-20 10:31:34,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:34,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:34,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:34,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:31:34,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:34,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030521744] [2022-11-20 10:31:34,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030521744] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:34,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:34,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:31:34,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802873958] [2022-11-20 10:31:34,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:34,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:34,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:34,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:34,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:34,630 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 388 out of 466 [2022-11-20 10:31:34,632 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 374 places, 374 transitions, 758 flow. Second operand has 3 states, 3 states have (on average 389.3333333333333) internal successors, (1168), 3 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:34,632 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:31:34,632 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 388 of 466 [2022-11-20 10:31:34,632 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:31:34,885 INFO L130 PetriNetUnfolder]: 78/1060 cut-off events. [2022-11-20 10:31:34,885 INFO L131 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2022-11-20 10:31:34,891 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1194 conditions, 1060 events. 78/1060 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 5399 event pairs, 38 based on Foata normal form. 0/863 useless extension candidates. Maximal degree in co-relation 1131. Up to 115 conditions per place. [2022-11-20 10:31:34,902 INFO L137 encePairwiseOnDemand]: 463/466 looper letters, 17 selfloop transitions, 2 changer transitions 0/373 dead transitions. [2022-11-20 10:31:34,902 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 373 transitions, 794 flow [2022-11-20 10:31:34,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:34,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:31:34,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1184 transitions. [2022-11-20 10:31:34,905 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8469241773962805 [2022-11-20 10:31:34,906 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1184 transitions. [2022-11-20 10:31:34,906 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1184 transitions. [2022-11-20 10:31:34,907 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:31:34,907 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1184 transitions. [2022-11-20 10:31:34,910 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 394.6666666666667) internal successors, (1184), 3 states have internal predecessors, (1184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:34,913 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:34,914 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:34,914 INFO L175 Difference]: Start difference. First operand has 374 places, 374 transitions, 758 flow. Second operand 3 states and 1184 transitions. [2022-11-20 10:31:34,914 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 373 transitions, 794 flow [2022-11-20 10:31:34,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 373 places, 373 transitions, 790 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:31:34,926 INFO L231 Difference]: Finished difference. Result has 373 places, 373 transitions, 756 flow [2022-11-20 10:31:34,927 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=466, PETRI_DIFFERENCE_MINUEND_FLOW=752, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=373, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=371, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=756, PETRI_PLACES=373, PETRI_TRANSITIONS=373} [2022-11-20 10:31:34,930 INFO L288 CegarLoopForPetriNet]: 431 programPoint places, -58 predicate places. [2022-11-20 10:31:34,930 INFO L495 AbstractCegarLoop]: Abstraction has has 373 places, 373 transitions, 756 flow [2022-11-20 10:31:34,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 389.3333333333333) internal successors, (1168), 3 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:34,931 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:31:34,931 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] [2022-11-20 10:31:34,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 10:31:34,932 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2022-11-20 10:31:34,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:34,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1648822168, now seen corresponding path program 1 times [2022-11-20 10:31:34,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:34,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794624929] [2022-11-20 10:31:34,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:34,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:34,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:35,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:31:35,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:35,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794624929] [2022-11-20 10:31:35,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794624929] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:35,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:35,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:31:35,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840060106] [2022-11-20 10:31:35,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:35,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:35,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:35,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:35,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:35,040 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 391 out of 466 [2022-11-20 10:31:35,041 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 373 places, 373 transitions, 756 flow. Second operand has 3 states, 3 states have (on average 392.3333333333333) internal successors, (1177), 3 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:35,042 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:31:35,042 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 391 of 466 [2022-11-20 10:31:35,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:31:35,281 INFO L130 PetriNetUnfolder]: 72/862 cut-off events. [2022-11-20 10:31:35,281 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2022-11-20 10:31:35,284 INFO L83 FinitePrefix]: Finished finitePrefix Result has 990 conditions, 862 events. 72/862 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 3746 event pairs, 9 based on Foata normal form. 0/715 useless extension candidates. Maximal degree in co-relation 919. Up to 82 conditions per place. [2022-11-20 10:31:35,288 INFO L137 encePairwiseOnDemand]: 463/466 looper letters, 19 selfloop transitions, 2 changer transitions 0/378 dead transitions. [2022-11-20 10:31:35,288 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 374 places, 378 transitions, 810 flow [2022-11-20 10:31:35,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:35,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:31:35,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1195 transitions. [2022-11-20 10:31:35,291 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8547925608011445 [2022-11-20 10:31:35,292 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1195 transitions. [2022-11-20 10:31:35,292 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1195 transitions. [2022-11-20 10:31:35,293 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:31:35,293 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1195 transitions. [2022-11-20 10:31:35,296 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 398.3333333333333) internal successors, (1195), 3 states have internal predecessors, (1195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:35,299 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:35,300 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:35,300 INFO L175 Difference]: Start difference. First operand has 373 places, 373 transitions, 756 flow. Second operand 3 states and 1195 transitions. [2022-11-20 10:31:35,300 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 374 places, 378 transitions, 810 flow [2022-11-20 10:31:35,303 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 378 transitions, 806 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:31:35,308 INFO L231 Difference]: Finished difference. Result has 373 places, 373 transitions, 760 flow [2022-11-20 10:31:35,309 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=466, PETRI_DIFFERENCE_MINUEND_FLOW=750, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=372, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=370, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=760, PETRI_PLACES=373, PETRI_TRANSITIONS=373} [2022-11-20 10:31:35,311 INFO L288 CegarLoopForPetriNet]: 431 programPoint places, -58 predicate places. [2022-11-20 10:31:35,311 INFO L495 AbstractCegarLoop]: Abstraction has has 373 places, 373 transitions, 760 flow [2022-11-20 10:31:35,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 392.3333333333333) internal successors, (1177), 3 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:35,313 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:31:35,313 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] [2022-11-20 10:31:35,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 10:31:35,314 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2022-11-20 10:31:35,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:35,314 INFO L85 PathProgramCache]: Analyzing trace with hash -1331594364, now seen corresponding path program 1 times [2022-11-20 10:31:35,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:35,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395562699] [2022-11-20 10:31:35,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:35,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:35,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:35,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:31:35,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:35,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395562699] [2022-11-20 10:31:35,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395562699] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:35,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:35,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:31:35,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952639553] [2022-11-20 10:31:35,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:35,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:35,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:35,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:35,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:35,360 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 391 out of 466 [2022-11-20 10:31:35,362 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 373 places, 373 transitions, 760 flow. Second operand has 3 states, 3 states have (on average 392.3333333333333) internal successors, (1177), 3 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:35,362 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:31:35,362 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 391 of 466 [2022-11-20 10:31:35,362 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:31:35,593 INFO L130 PetriNetUnfolder]: 78/1060 cut-off events. [2022-11-20 10:31:35,593 INFO L131 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2022-11-20 10:31:35,599 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1225 conditions, 1060 events. 78/1060 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 5397 event pairs, 38 based on Foata normal form. 0/865 useless extension candidates. Maximal degree in co-relation 708. Up to 113 conditions per place. [2022-11-20 10:31:35,605 INFO L137 encePairwiseOnDemand]: 463/466 looper letters, 15 selfloop transitions, 2 changer transitions 0/372 dead transitions. [2022-11-20 10:31:35,605 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 374 places, 372 transitions, 792 flow [2022-11-20 10:31:35,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:35,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:31:35,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1190 transitions. [2022-11-20 10:31:35,609 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8512160228898427 [2022-11-20 10:31:35,609 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1190 transitions. [2022-11-20 10:31:35,609 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1190 transitions. [2022-11-20 10:31:35,610 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:31:35,610 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1190 transitions. [2022-11-20 10:31:35,613 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 396.6666666666667) internal successors, (1190), 3 states have internal predecessors, (1190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:35,616 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:35,617 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:35,617 INFO L175 Difference]: Start difference. First operand has 373 places, 373 transitions, 760 flow. Second operand 3 states and 1190 transitions. [2022-11-20 10:31:35,617 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 374 places, 372 transitions, 792 flow [2022-11-20 10:31:35,620 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 373 places, 372 transitions, 790 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 10:31:35,625 INFO L231 Difference]: Finished difference. Result has 373 places, 372 transitions, 760 flow [2022-11-20 10:31:35,626 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=466, PETRI_DIFFERENCE_MINUEND_FLOW=756, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=372, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=370, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=760, PETRI_PLACES=373, PETRI_TRANSITIONS=372} [2022-11-20 10:31:35,626 INFO L288 CegarLoopForPetriNet]: 431 programPoint places, -58 predicate places. [2022-11-20 10:31:35,627 INFO L495 AbstractCegarLoop]: Abstraction has has 373 places, 372 transitions, 760 flow [2022-11-20 10:31:35,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 392.3333333333333) internal successors, (1177), 3 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:35,628 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:31:35,628 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] [2022-11-20 10:31:35,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 10:31:35,628 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2022-11-20 10:31:35,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:35,629 INFO L85 PathProgramCache]: Analyzing trace with hash -371448057, now seen corresponding path program 1 times [2022-11-20 10:31:35,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:35,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086850961] [2022-11-20 10:31:35,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:35,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:35,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:35,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:31:35,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:35,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086850961] [2022-11-20 10:31:35,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086850961] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:35,669 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:35,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:31:35,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879115509] [2022-11-20 10:31:35,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:35,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:35,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:35,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:35,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:35,672 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 388 out of 466 [2022-11-20 10:31:35,674 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 373 places, 372 transitions, 760 flow. Second operand has 3 states, 3 states have (on average 389.3333333333333) internal successors, (1168), 3 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:35,674 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:31:35,674 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 388 of 466 [2022-11-20 10:31:35,674 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:31:35,945 INFO L130 PetriNetUnfolder]: 78/1059 cut-off events. [2022-11-20 10:31:35,946 INFO L131 PetriNetUnfolder]: For 31/31 co-relation queries the response was YES. [2022-11-20 10:31:35,951 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1218 conditions, 1059 events. 78/1059 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 5399 event pairs, 38 based on Foata normal form. 0/865 useless extension candidates. Maximal degree in co-relation 1139. Up to 116 conditions per place. [2022-11-20 10:31:35,956 INFO L137 encePairwiseOnDemand]: 463/466 looper letters, 18 selfloop transitions, 2 changer transitions 0/371 dead transitions. [2022-11-20 10:31:35,957 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 374 places, 371 transitions, 798 flow [2022-11-20 10:31:35,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:35,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:31:35,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1184 transitions. [2022-11-20 10:31:35,961 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8469241773962805 [2022-11-20 10:31:35,964 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1184 transitions. [2022-11-20 10:31:35,965 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1184 transitions. [2022-11-20 10:31:35,965 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:31:35,966 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1184 transitions. [2022-11-20 10:31:35,969 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 394.6666666666667) internal successors, (1184), 3 states have internal predecessors, (1184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:35,972 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:35,973 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:35,973 INFO L175 Difference]: Start difference. First operand has 373 places, 372 transitions, 760 flow. Second operand 3 states and 1184 transitions. [2022-11-20 10:31:35,973 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 374 places, 371 transitions, 798 flow [2022-11-20 10:31:35,977 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 371 transitions, 794 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:31:35,983 INFO L231 Difference]: Finished difference. Result has 372 places, 371 transitions, 758 flow [2022-11-20 10:31:35,984 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=466, PETRI_DIFFERENCE_MINUEND_FLOW=754, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=371, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=369, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=758, PETRI_PLACES=372, PETRI_TRANSITIONS=371} [2022-11-20 10:31:35,984 INFO L288 CegarLoopForPetriNet]: 431 programPoint places, -59 predicate places. [2022-11-20 10:31:35,984 INFO L495 AbstractCegarLoop]: Abstraction has has 372 places, 371 transitions, 758 flow [2022-11-20 10:31:35,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 389.3333333333333) internal successors, (1168), 3 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:35,985 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:31:35,985 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] [2022-11-20 10:31:35,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 10:31:35,986 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2022-11-20 10:31:35,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:35,987 INFO L85 PathProgramCache]: Analyzing trace with hash -991834713, now seen corresponding path program 1 times [2022-11-20 10:31:35,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:35,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520053786] [2022-11-20 10:31:35,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:35,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:36,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:36,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:31:36,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:36,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520053786] [2022-11-20 10:31:36,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520053786] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:36,034 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:36,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:31:36,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497832111] [2022-11-20 10:31:36,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:36,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:36,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:36,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:36,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:36,038 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 391 out of 466 [2022-11-20 10:31:36,040 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 371 transitions, 758 flow. Second operand has 3 states, 3 states have (on average 392.3333333333333) internal successors, (1177), 3 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:36,040 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:31:36,040 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 391 of 466 [2022-11-20 10:31:36,040 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:31:36,304 INFO L130 PetriNetUnfolder]: 84/1036 cut-off events. [2022-11-20 10:31:36,304 INFO L131 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2022-11-20 10:31:36,309 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1201 conditions, 1036 events. 84/1036 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 5477 event pairs, 20 based on Foata normal form. 0/859 useless extension candidates. Maximal degree in co-relation 1114. Up to 66 conditions per place. [2022-11-20 10:31:36,315 INFO L137 encePairwiseOnDemand]: 463/466 looper letters, 22 selfloop transitions, 2 changer transitions 0/378 dead transitions. [2022-11-20 10:31:36,315 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 373 places, 378 transitions, 826 flow [2022-11-20 10:31:36,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:36,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:31:36,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1196 transitions. [2022-11-20 10:31:36,319 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8555078683834049 [2022-11-20 10:31:36,319 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1196 transitions. [2022-11-20 10:31:36,319 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1196 transitions. [2022-11-20 10:31:36,320 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:31:36,320 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1196 transitions. [2022-11-20 10:31:36,322 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 398.6666666666667) internal successors, (1196), 3 states have internal predecessors, (1196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:36,325 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:36,326 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:36,327 INFO L175 Difference]: Start difference. First operand has 372 places, 371 transitions, 758 flow. Second operand 3 states and 1196 transitions. [2022-11-20 10:31:36,327 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 373 places, 378 transitions, 826 flow [2022-11-20 10:31:36,330 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 378 transitions, 822 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:31:36,334 INFO L231 Difference]: Finished difference. Result has 372 places, 371 transitions, 762 flow [2022-11-20 10:31:36,335 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=466, PETRI_DIFFERENCE_MINUEND_FLOW=752, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=370, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=368, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=762, PETRI_PLACES=372, PETRI_TRANSITIONS=371} [2022-11-20 10:31:36,335 INFO L288 CegarLoopForPetriNet]: 431 programPoint places, -59 predicate places. [2022-11-20 10:31:36,336 INFO L495 AbstractCegarLoop]: Abstraction has has 372 places, 371 transitions, 762 flow [2022-11-20 10:31:36,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 392.3333333333333) internal successors, (1177), 3 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:36,337 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:31:36,337 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] [2022-11-20 10:31:36,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-20 10:31:36,338 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2022-11-20 10:31:36,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:36,338 INFO L85 PathProgramCache]: Analyzing trace with hash -1054536764, now seen corresponding path program 1 times [2022-11-20 10:31:36,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:36,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470836743] [2022-11-20 10:31:36,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:36,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:36,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:36,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:31:36,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:36,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470836743] [2022-11-20 10:31:36,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470836743] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:36,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:36,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:31:36,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770360401] [2022-11-20 10:31:36,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:36,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:36,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:36,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:36,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:36,381 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 391 out of 466 [2022-11-20 10:31:36,383 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 371 transitions, 762 flow. Second operand has 3 states, 3 states have (on average 392.3333333333333) internal successors, (1177), 3 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:36,383 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:31:36,383 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 391 of 466 [2022-11-20 10:31:36,383 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:31:36,617 INFO L130 PetriNetUnfolder]: 84/1071 cut-off events. [2022-11-20 10:31:36,617 INFO L131 PetriNetUnfolder]: For 58/58 co-relation queries the response was YES. [2022-11-20 10:31:36,622 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1276 conditions, 1071 events. 84/1071 cut-off events. For 58/58 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 5503 event pairs, 38 based on Foata normal form. 0/874 useless extension candidates. Maximal degree in co-relation 717. Up to 123 conditions per place. [2022-11-20 10:31:36,650 INFO L137 encePairwiseOnDemand]: 463/466 looper letters, 16 selfloop transitions, 2 changer transitions 0/370 dead transitions. [2022-11-20 10:31:36,650 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 373 places, 370 transitions, 796 flow [2022-11-20 10:31:36,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:36,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:31:36,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1190 transitions. [2022-11-20 10:31:36,656 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8512160228898427 [2022-11-20 10:31:36,656 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1190 transitions. [2022-11-20 10:31:36,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1190 transitions. [2022-11-20 10:31:36,657 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:31:36,657 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1190 transitions. [2022-11-20 10:31:36,659 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 396.6666666666667) internal successors, (1190), 3 states have internal predecessors, (1190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:36,662 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:36,662 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:36,663 INFO L175 Difference]: Start difference. First operand has 372 places, 371 transitions, 762 flow. Second operand 3 states and 1190 transitions. [2022-11-20 10:31:36,663 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 373 places, 370 transitions, 796 flow [2022-11-20 10:31:36,665 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 370 transitions, 794 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 10:31:36,669 INFO L231 Difference]: Finished difference. Result has 372 places, 370 transitions, 762 flow [2022-11-20 10:31:36,671 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=466, PETRI_DIFFERENCE_MINUEND_FLOW=758, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=370, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=368, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=762, PETRI_PLACES=372, PETRI_TRANSITIONS=370} [2022-11-20 10:31:36,672 INFO L288 CegarLoopForPetriNet]: 431 programPoint places, -59 predicate places. [2022-11-20 10:31:36,672 INFO L495 AbstractCegarLoop]: Abstraction has has 372 places, 370 transitions, 762 flow [2022-11-20 10:31:36,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 392.3333333333333) internal successors, (1177), 3 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:36,672 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:31:36,673 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] [2022-11-20 10:31:36,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-20 10:31:36,675 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2022-11-20 10:31:36,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:36,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1982471615, now seen corresponding path program 1 times [2022-11-20 10:31:36,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:36,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466701707] [2022-11-20 10:31:36,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:36,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:36,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:36,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:31:36,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:36,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466701707] [2022-11-20 10:31:36,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466701707] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:36,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:36,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:31:36,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375400220] [2022-11-20 10:31:36,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:36,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:36,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:36,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:36,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:36,742 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 391 out of 466 [2022-11-20 10:31:36,743 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 370 transitions, 762 flow. Second operand has 3 states, 3 states have (on average 392.3333333333333) internal successors, (1177), 3 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:36,743 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:31:36,743 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 391 of 466 [2022-11-20 10:31:36,743 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:31:36,972 INFO L130 PetriNetUnfolder]: 84/1070 cut-off events. [2022-11-20 10:31:36,973 INFO L131 PetriNetUnfolder]: For 57/57 co-relation queries the response was YES. [2022-11-20 10:31:36,978 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1263 conditions, 1070 events. 84/1070 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 5498 event pairs, 38 based on Foata normal form. 0/874 useless extension candidates. Maximal degree in co-relation 1167. Up to 121 conditions per place. [2022-11-20 10:31:36,985 INFO L137 encePairwiseOnDemand]: 464/466 looper letters, 16 selfloop transitions, 1 changer transitions 0/369 dead transitions. [2022-11-20 10:31:36,985 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 373 places, 369 transitions, 794 flow [2022-11-20 10:31:36,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:36,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:31:36,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1189 transitions. [2022-11-20 10:31:36,989 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8505007153075823 [2022-11-20 10:31:36,989 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1189 transitions. [2022-11-20 10:31:36,989 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1189 transitions. [2022-11-20 10:31:36,990 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:31:36,990 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1189 transitions. [2022-11-20 10:31:36,992 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 396.3333333333333) internal successors, (1189), 3 states have internal predecessors, (1189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:36,995 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:36,995 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:36,996 INFO L175 Difference]: Start difference. First operand has 372 places, 370 transitions, 762 flow. Second operand 3 states and 1189 transitions. [2022-11-20 10:31:36,996 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 373 places, 369 transitions, 794 flow [2022-11-20 10:31:36,998 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 369 transitions, 790 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:31:37,002 INFO L231 Difference]: Finished difference. Result has 371 places, 369 transitions, 758 flow [2022-11-20 10:31:37,003 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=466, PETRI_DIFFERENCE_MINUEND_FLOW=756, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=369, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=368, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=758, PETRI_PLACES=371, PETRI_TRANSITIONS=369} [2022-11-20 10:31:37,003 INFO L288 CegarLoopForPetriNet]: 431 programPoint places, -60 predicate places. [2022-11-20 10:31:37,004 INFO L495 AbstractCegarLoop]: Abstraction has has 371 places, 369 transitions, 758 flow [2022-11-20 10:31:37,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 392.3333333333333) internal successors, (1177), 3 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:37,004 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:31:37,005 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] [2022-11-20 10:31:37,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-20 10:31:37,005 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2022-11-20 10:31:37,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:37,005 INFO L85 PathProgramCache]: Analyzing trace with hash 16429812, now seen corresponding path program 1 times [2022-11-20 10:31:37,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:37,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168517238] [2022-11-20 10:31:37,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:37,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:37,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:37,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:31:37,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:37,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168517238] [2022-11-20 10:31:37,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168517238] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:37,076 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:37,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:31:37,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391391504] [2022-11-20 10:31:37,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:37,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:37,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:37,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:37,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:37,079 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 391 out of 466 [2022-11-20 10:31:37,080 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 371 places, 369 transitions, 758 flow. Second operand has 3 states, 3 states have (on average 392.3333333333333) internal successors, (1177), 3 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:37,080 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:31:37,080 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 391 of 466 [2022-11-20 10:31:37,080 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:31:37,311 INFO L130 PetriNetUnfolder]: 84/1069 cut-off events. [2022-11-20 10:31:37,312 INFO L131 PetriNetUnfolder]: For 57/57 co-relation queries the response was YES. [2022-11-20 10:31:37,317 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1262 conditions, 1069 events. 84/1069 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 5496 event pairs, 38 based on Foata normal form. 0/874 useless extension candidates. Maximal degree in co-relation 1167. Up to 123 conditions per place. [2022-11-20 10:31:37,322 INFO L137 encePairwiseOnDemand]: 463/466 looper letters, 16 selfloop transitions, 2 changer transitions 0/368 dead transitions. [2022-11-20 10:31:37,322 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 372 places, 368 transitions, 792 flow [2022-11-20 10:31:37,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:37,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:31:37,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1190 transitions. [2022-11-20 10:31:37,327 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8512160228898427 [2022-11-20 10:31:37,327 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1190 transitions. [2022-11-20 10:31:37,327 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1190 transitions. [2022-11-20 10:31:37,328 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:31:37,328 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1190 transitions. [2022-11-20 10:31:37,330 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 396.6666666666667) internal successors, (1190), 3 states have internal predecessors, (1190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:37,333 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:37,333 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:37,333 INFO L175 Difference]: Start difference. First operand has 371 places, 369 transitions, 758 flow. Second operand 3 states and 1190 transitions. [2022-11-20 10:31:37,333 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 372 places, 368 transitions, 792 flow [2022-11-20 10:31:37,336 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 368 transitions, 791 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 10:31:37,340 INFO L231 Difference]: Finished difference. Result has 371 places, 368 transitions, 759 flow [2022-11-20 10:31:37,341 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=466, PETRI_DIFFERENCE_MINUEND_FLOW=755, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=366, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=759, PETRI_PLACES=371, PETRI_TRANSITIONS=368} [2022-11-20 10:31:37,343 INFO L288 CegarLoopForPetriNet]: 431 programPoint places, -60 predicate places. [2022-11-20 10:31:37,343 INFO L495 AbstractCegarLoop]: Abstraction has has 371 places, 368 transitions, 759 flow [2022-11-20 10:31:37,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 392.3333333333333) internal successors, (1177), 3 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:37,344 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:31:37,344 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] [2022-11-20 10:31:37,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-20 10:31:37,344 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2022-11-20 10:31:37,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:37,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1022194725, now seen corresponding path program 1 times [2022-11-20 10:31:37,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:37,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179538186] [2022-11-20 10:31:37,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:37,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:37,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:37,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:31:37,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:37,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179538186] [2022-11-20 10:31:37,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179538186] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:37,886 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:37,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 10:31:37,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729061986] [2022-11-20 10:31:37,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:37,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:31:37,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:37,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:31:37,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:31:37,892 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 345 out of 466 [2022-11-20 10:31:37,894 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 371 places, 368 transitions, 759 flow. Second operand has 6 states, 6 states have (on average 346.8333333333333) internal successors, (2081), 6 states have internal predecessors, (2081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:37,894 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:31:37,894 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 345 of 466 [2022-11-20 10:31:37,895 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:31:38,534 INFO L130 PetriNetUnfolder]: 528/1635 cut-off events. [2022-11-20 10:31:38,534 INFO L131 PetriNetUnfolder]: For 302/313 co-relation queries the response was YES. [2022-11-20 10:31:38,542 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2709 conditions, 1635 events. 528/1635 cut-off events. For 302/313 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 9524 event pairs, 284 based on Foata normal form. 0/1275 useless extension candidates. Maximal degree in co-relation 2615. Up to 742 conditions per place. [2022-11-20 10:31:38,553 INFO L137 encePairwiseOnDemand]: 454/466 looper letters, 53 selfloop transitions, 10 changer transitions 0/366 dead transitions. [2022-11-20 10:31:38,554 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 374 places, 366 transitions, 881 flow [2022-11-20 10:31:38,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:31:38,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 10:31:38,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2133 transitions. [2022-11-20 10:31:38,559 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7628755364806867 [2022-11-20 10:31:38,559 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2133 transitions. [2022-11-20 10:31:38,559 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2133 transitions. [2022-11-20 10:31:38,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:31:38,560 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2133 transitions. [2022-11-20 10:31:38,564 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 355.5) internal successors, (2133), 6 states have internal predecessors, (2133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:38,569 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 466.0) internal successors, (3262), 7 states have internal predecessors, (3262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:38,570 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 466.0) internal successors, (3262), 7 states have internal predecessors, (3262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:38,570 INFO L175 Difference]: Start difference. First operand has 371 places, 368 transitions, 759 flow. Second operand 6 states and 2133 transitions. [2022-11-20 10:31:38,570 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 374 places, 366 transitions, 881 flow [2022-11-20 10:31:38,573 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 366 transitions, 877 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:31:38,577 INFO L231 Difference]: Finished difference. Result has 372 places, 366 transitions, 771 flow [2022-11-20 10:31:38,578 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=466, PETRI_DIFFERENCE_MINUEND_FLOW=751, PETRI_DIFFERENCE_MINUEND_PLACES=367, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=366, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=356, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=771, PETRI_PLACES=372, PETRI_TRANSITIONS=366} [2022-11-20 10:31:38,578 INFO L288 CegarLoopForPetriNet]: 431 programPoint places, -59 predicate places. [2022-11-20 10:31:38,579 INFO L495 AbstractCegarLoop]: Abstraction has has 372 places, 366 transitions, 771 flow [2022-11-20 10:31:38,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 346.8333333333333) internal successors, (2081), 6 states have internal predecessors, (2081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:38,580 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:31:38,580 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] [2022-11-20 10:31:38,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-20 10:31:38,580 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2022-11-20 10:31:38,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:38,581 INFO L85 PathProgramCache]: Analyzing trace with hash -792389884, now seen corresponding path program 1 times [2022-11-20 10:31:38,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:38,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122528444] [2022-11-20 10:31:38,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:38,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:38,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:38,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:31:38,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:38,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122528444] [2022-11-20 10:31:38,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122528444] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:38,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:38,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:31:38,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416037654] [2022-11-20 10:31:38,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:38,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:38,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:38,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:38,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:38,627 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 391 out of 466 [2022-11-20 10:31:38,628 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 366 transitions, 771 flow. Second operand has 3 states, 3 states have (on average 392.3333333333333) internal successors, (1177), 3 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:38,629 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:31:38,629 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 391 of 466 [2022-11-20 10:31:38,629 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:31:38,849 INFO L130 PetriNetUnfolder]: 84/1066 cut-off events. [2022-11-20 10:31:38,849 INFO L131 PetriNetUnfolder]: For 57/57 co-relation queries the response was YES. [2022-11-20 10:31:38,855 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1268 conditions, 1066 events. 84/1066 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 5463 event pairs, 38 based on Foata normal form. 0/874 useless extension candidates. Maximal degree in co-relation 1233. Up to 121 conditions per place. [2022-11-20 10:31:38,860 INFO L137 encePairwiseOnDemand]: 464/466 looper letters, 16 selfloop transitions, 1 changer transitions 0/365 dead transitions. [2022-11-20 10:31:38,861 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 373 places, 365 transitions, 803 flow [2022-11-20 10:31:38,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:38,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:31:38,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1189 transitions. [2022-11-20 10:31:38,864 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8505007153075823 [2022-11-20 10:31:38,864 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1189 transitions. [2022-11-20 10:31:38,864 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1189 transitions. [2022-11-20 10:31:38,865 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:31:38,865 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1189 transitions. [2022-11-20 10:31:38,868 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 396.3333333333333) internal successors, (1189), 3 states have internal predecessors, (1189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:38,870 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:38,871 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:38,871 INFO L175 Difference]: Start difference. First operand has 372 places, 366 transitions, 771 flow. Second operand 3 states and 1189 transitions. [2022-11-20 10:31:38,871 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 373 places, 365 transitions, 803 flow [2022-11-20 10:31:38,874 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 365 transitions, 783 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-20 10:31:38,878 INFO L231 Difference]: Finished difference. Result has 368 places, 365 transitions, 751 flow [2022-11-20 10:31:38,878 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=466, PETRI_DIFFERENCE_MINUEND_FLOW=749, PETRI_DIFFERENCE_MINUEND_PLACES=366, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=365, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=364, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=751, PETRI_PLACES=368, PETRI_TRANSITIONS=365} [2022-11-20 10:31:38,879 INFO L288 CegarLoopForPetriNet]: 431 programPoint places, -63 predicate places. [2022-11-20 10:31:38,879 INFO L495 AbstractCegarLoop]: Abstraction has has 368 places, 365 transitions, 751 flow [2022-11-20 10:31:38,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 392.3333333333333) internal successors, (1177), 3 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:38,880 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:31:38,880 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] [2022-11-20 10:31:38,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-20 10:31:38,881 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2022-11-20 10:31:38,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:38,881 INFO L85 PathProgramCache]: Analyzing trace with hash -447820506, now seen corresponding path program 1 times [2022-11-20 10:31:38,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:38,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176424251] [2022-11-20 10:31:38,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:38,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:38,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:38,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:31:38,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:38,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176424251] [2022-11-20 10:31:38,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176424251] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:38,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:38,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:31:38,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888867188] [2022-11-20 10:31:38,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:38,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:38,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:38,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:38,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:38,971 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 391 out of 466 [2022-11-20 10:31:38,972 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 368 places, 365 transitions, 751 flow. Second operand has 3 states, 3 states have (on average 392.3333333333333) internal successors, (1177), 3 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:38,973 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:31:38,973 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 391 of 466 [2022-11-20 10:31:38,973 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:31:39,266 INFO L130 PetriNetUnfolder]: 84/1065 cut-off events. [2022-11-20 10:31:39,266 INFO L131 PetriNetUnfolder]: For 57/57 co-relation queries the response was YES. [2022-11-20 10:31:39,273 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1259 conditions, 1065 events. 84/1065 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 5462 event pairs, 38 based on Foata normal form. 0/874 useless extension candidates. Maximal degree in co-relation 1164. Up to 123 conditions per place. [2022-11-20 10:31:39,278 INFO L137 encePairwiseOnDemand]: 463/466 looper letters, 16 selfloop transitions, 2 changer transitions 0/364 dead transitions. [2022-11-20 10:31:39,278 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 364 transitions, 785 flow [2022-11-20 10:31:39,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:39,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:31:39,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1190 transitions. [2022-11-20 10:31:39,282 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8512160228898427 [2022-11-20 10:31:39,282 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1190 transitions. [2022-11-20 10:31:39,283 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1190 transitions. [2022-11-20 10:31:39,284 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:31:39,284 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1190 transitions. [2022-11-20 10:31:39,287 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 396.6666666666667) internal successors, (1190), 3 states have internal predecessors, (1190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:39,290 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:39,291 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:39,291 INFO L175 Difference]: Start difference. First operand has 368 places, 365 transitions, 751 flow. Second operand 3 states and 1190 transitions. [2022-11-20 10:31:39,291 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 369 places, 364 transitions, 785 flow [2022-11-20 10:31:39,294 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 364 transitions, 784 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 10:31:39,299 INFO L231 Difference]: Finished difference. Result has 368 places, 364 transitions, 752 flow [2022-11-20 10:31:39,300 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=466, PETRI_DIFFERENCE_MINUEND_FLOW=748, PETRI_DIFFERENCE_MINUEND_PLACES=366, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=364, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=362, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=752, PETRI_PLACES=368, PETRI_TRANSITIONS=364} [2022-11-20 10:31:39,302 INFO L288 CegarLoopForPetriNet]: 431 programPoint places, -63 predicate places. [2022-11-20 10:31:39,303 INFO L495 AbstractCegarLoop]: Abstraction has has 368 places, 364 transitions, 752 flow [2022-11-20 10:31:39,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 392.3333333333333) internal successors, (1177), 3 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:39,304 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:31:39,304 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] [2022-11-20 10:31:39,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-20 10:31:39,305 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2022-11-20 10:31:39,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:39,305 INFO L85 PathProgramCache]: Analyzing trace with hash -611231851, now seen corresponding path program 1 times [2022-11-20 10:31:39,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:39,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24557973] [2022-11-20 10:31:39,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:39,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:39,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:39,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:31:39,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:39,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24557973] [2022-11-20 10:31:39,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24557973] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:39,385 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:39,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:31:39,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12881656] [2022-11-20 10:31:39,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:39,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:39,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:39,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:39,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:39,389 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 385 out of 466 [2022-11-20 10:31:39,391 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 368 places, 364 transitions, 752 flow. Second operand has 3 states, 3 states have (on average 386.3333333333333) internal successors, (1159), 3 states have internal predecessors, (1159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:39,391 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:31:39,391 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 385 of 466 [2022-11-20 10:31:39,392 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:31:39,717 INFO L130 PetriNetUnfolder]: 113/1339 cut-off events. [2022-11-20 10:31:39,717 INFO L131 PetriNetUnfolder]: For 81/81 co-relation queries the response was YES. [2022-11-20 10:31:39,724 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1616 conditions, 1339 events. 113/1339 cut-off events. For 81/81 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 8256 event pairs, 64 based on Foata normal form. 1/1094 useless extension candidates. Maximal degree in co-relation 1520. Up to 171 conditions per place. [2022-11-20 10:31:39,729 INFO L137 encePairwiseOnDemand]: 462/466 looper letters, 18 selfloop transitions, 1 changer transitions 2/361 dead transitions. [2022-11-20 10:31:39,730 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 367 places, 361 transitions, 786 flow [2022-11-20 10:31:39,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:39,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:31:39,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1176 transitions. [2022-11-20 10:31:39,733 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8412017167381974 [2022-11-20 10:31:39,733 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1176 transitions. [2022-11-20 10:31:39,733 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1176 transitions. [2022-11-20 10:31:39,734 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:31:39,734 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1176 transitions. [2022-11-20 10:31:39,736 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 392.0) internal successors, (1176), 3 states have internal predecessors, (1176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:39,739 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:39,739 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:39,740 INFO L175 Difference]: Start difference. First operand has 368 places, 364 transitions, 752 flow. Second operand 3 states and 1176 transitions. [2022-11-20 10:31:39,741 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 367 places, 361 transitions, 786 flow [2022-11-20 10:31:39,743 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 365 places, 361 transitions, 782 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:31:39,747 INFO L231 Difference]: Finished difference. Result has 365 places, 359 transitions, 740 flow [2022-11-20 10:31:39,748 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=466, PETRI_DIFFERENCE_MINUEND_FLOW=742, PETRI_DIFFERENCE_MINUEND_PLACES=363, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=361, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=360, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=740, PETRI_PLACES=365, PETRI_TRANSITIONS=359} [2022-11-20 10:31:39,748 INFO L288 CegarLoopForPetriNet]: 431 programPoint places, -66 predicate places. [2022-11-20 10:31:39,749 INFO L495 AbstractCegarLoop]: Abstraction has has 365 places, 359 transitions, 740 flow [2022-11-20 10:31:39,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 386.3333333333333) internal successors, (1159), 3 states have internal predecessors, (1159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:39,749 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:31:39,749 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] [2022-11-20 10:31:39,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-20 10:31:39,750 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2022-11-20 10:31:39,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:39,750 INFO L85 PathProgramCache]: Analyzing trace with hash -972201601, now seen corresponding path program 1 times [2022-11-20 10:31:39,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:39,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293528641] [2022-11-20 10:31:39,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:39,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:39,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:39,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:31:39,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:39,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293528641] [2022-11-20 10:31:39,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293528641] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:39,828 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:39,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:31:39,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072053279] [2022-11-20 10:31:39,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:39,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:39,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:39,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:39,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:39,831 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 379 out of 466 [2022-11-20 10:31:39,832 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 365 places, 359 transitions, 740 flow. Second operand has 3 states, 3 states have (on average 380.3333333333333) internal successors, (1141), 3 states have internal predecessors, (1141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:39,832 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:31:39,832 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 379 of 466 [2022-11-20 10:31:39,832 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:31:40,276 INFO L130 PetriNetUnfolder]: 274/1874 cut-off events. [2022-11-20 10:31:40,276 INFO L131 PetriNetUnfolder]: For 177/182 co-relation queries the response was YES. [2022-11-20 10:31:40,285 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2518 conditions, 1874 events. 274/1874 cut-off events. For 177/182 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 13741 event pairs, 116 based on Foata normal form. 0/1515 useless extension candidates. Maximal degree in co-relation 2424. Up to 294 conditions per place. [2022-11-20 10:31:40,294 INFO L137 encePairwiseOnDemand]: 457/466 looper letters, 29 selfloop transitions, 5 changer transitions 0/362 dead transitions. [2022-11-20 10:31:40,294 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 361 places, 362 transitions, 824 flow [2022-11-20 10:31:40,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:40,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:31:40,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1171 transitions. [2022-11-20 10:31:40,297 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8376251788268956 [2022-11-20 10:31:40,297 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1171 transitions. [2022-11-20 10:31:40,297 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1171 transitions. [2022-11-20 10:31:40,298 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:31:40,298 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1171 transitions. [2022-11-20 10:31:40,301 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 390.3333333333333) internal successors, (1171), 3 states have internal predecessors, (1171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:40,303 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:40,303 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:40,304 INFO L175 Difference]: Start difference. First operand has 365 places, 359 transitions, 740 flow. Second operand 3 states and 1171 transitions. [2022-11-20 10:31:40,304 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 361 places, 362 transitions, 824 flow [2022-11-20 10:31:40,307 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 360 places, 362 transitions, 823 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 10:31:40,311 INFO L231 Difference]: Finished difference. Result has 360 places, 355 transitions, 741 flow [2022-11-20 10:31:40,311 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=466, PETRI_DIFFERENCE_MINUEND_FLOW=731, PETRI_DIFFERENCE_MINUEND_PLACES=358, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=355, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=350, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=741, PETRI_PLACES=360, PETRI_TRANSITIONS=355} [2022-11-20 10:31:40,312 INFO L288 CegarLoopForPetriNet]: 431 programPoint places, -71 predicate places. [2022-11-20 10:31:40,312 INFO L495 AbstractCegarLoop]: Abstraction has has 360 places, 355 transitions, 741 flow [2022-11-20 10:31:40,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 380.3333333333333) internal successors, (1141), 3 states have internal predecessors, (1141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:40,313 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:31:40,313 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] [2022-11-20 10:31:40,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-20 10:31:40,313 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2022-11-20 10:31:40,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:40,314 INFO L85 PathProgramCache]: Analyzing trace with hash 2017188514, now seen corresponding path program 1 times [2022-11-20 10:31:40,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:40,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929103328] [2022-11-20 10:31:40,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:40,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:40,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:40,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:31:40,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:40,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929103328] [2022-11-20 10:31:40,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929103328] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:40,382 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:40,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:31:40,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129536239] [2022-11-20 10:31:40,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:40,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:40,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:40,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:40,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:40,385 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 382 out of 466 [2022-11-20 10:31:40,387 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 360 places, 355 transitions, 741 flow. Second operand has 3 states, 3 states have (on average 384.0) internal successors, (1152), 3 states have internal predecessors, (1152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:40,387 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:31:40,387 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 382 of 466 [2022-11-20 10:31:40,387 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:31:40,950 INFO L130 PetriNetUnfolder]: 490/2441 cut-off events. [2022-11-20 10:31:40,950 INFO L131 PetriNetUnfolder]: For 200/200 co-relation queries the response was YES. [2022-11-20 10:31:40,964 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3465 conditions, 2441 events. 490/2441 cut-off events. For 200/200 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 18902 event pairs, 104 based on Foata normal form. 0/2126 useless extension candidates. Maximal degree in co-relation 3369. Up to 661 conditions per place. [2022-11-20 10:31:40,975 INFO L137 encePairwiseOnDemand]: 458/466 looper letters, 30 selfloop transitions, 4 changer transitions 0/362 dead transitions. [2022-11-20 10:31:40,975 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 362 transitions, 829 flow [2022-11-20 10:31:40,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:40,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:31:40,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1182 transitions. [2022-11-20 10:31:40,978 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8454935622317596 [2022-11-20 10:31:40,979 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1182 transitions. [2022-11-20 10:31:40,979 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1182 transitions. [2022-11-20 10:31:40,979 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:31:40,980 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1182 transitions. [2022-11-20 10:31:40,982 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 394.0) internal successors, (1182), 3 states have internal predecessors, (1182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:40,985 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:40,985 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:40,986 INFO L175 Difference]: Start difference. First operand has 360 places, 355 transitions, 741 flow. Second operand 3 states and 1182 transitions. [2022-11-20 10:31:40,986 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 362 transitions, 829 flow [2022-11-20 10:31:40,989 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 356 places, 362 transitions, 819 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:31:40,993 INFO L231 Difference]: Finished difference. Result has 357 places, 355 transitions, 751 flow [2022-11-20 10:31:40,994 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=466, PETRI_DIFFERENCE_MINUEND_FLOW=723, PETRI_DIFFERENCE_MINUEND_PLACES=354, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=351, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=347, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=751, PETRI_PLACES=357, PETRI_TRANSITIONS=355} [2022-11-20 10:31:40,995 INFO L288 CegarLoopForPetriNet]: 431 programPoint places, -74 predicate places. [2022-11-20 10:31:40,995 INFO L495 AbstractCegarLoop]: Abstraction has has 357 places, 355 transitions, 751 flow [2022-11-20 10:31:40,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 384.0) internal successors, (1152), 3 states have internal predecessors, (1152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:40,995 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:31:40,996 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] [2022-11-20 10:31:40,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-20 10:31:40,996 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2022-11-20 10:31:40,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:40,997 INFO L85 PathProgramCache]: Analyzing trace with hash -192959930, now seen corresponding path program 1 times [2022-11-20 10:31:40,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:40,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564445179] [2022-11-20 10:31:40,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:40,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:41,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:31:41,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:41,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564445179] [2022-11-20 10:31:41,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564445179] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:41,061 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:41,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:31:41,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283998258] [2022-11-20 10:31:41,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:41,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:41,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:41,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:41,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:41,064 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 386 out of 466 [2022-11-20 10:31:41,065 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 357 places, 355 transitions, 751 flow. Second operand has 3 states, 3 states have (on average 387.6666666666667) internal successors, (1163), 3 states have internal predecessors, (1163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:41,066 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:31:41,066 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 386 of 466 [2022-11-20 10:31:41,066 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:31:41,648 INFO L130 PetriNetUnfolder]: 690/2029 cut-off events. [2022-11-20 10:31:41,648 INFO L131 PetriNetUnfolder]: For 324/324 co-relation queries the response was YES. [2022-11-20 10:31:41,663 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3468 conditions, 2029 events. 690/2029 cut-off events. For 324/324 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 13126 event pairs, 319 based on Foata normal form. 0/1685 useless extension candidates. Maximal degree in co-relation 3374. Up to 834 conditions per place. [2022-11-20 10:31:41,676 INFO L137 encePairwiseOnDemand]: 463/466 looper letters, 27 selfloop transitions, 2 changer transitions 0/360 dead transitions. [2022-11-20 10:31:41,677 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 360 transitions, 825 flow [2022-11-20 10:31:41,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:41,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:31:41,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1185 transitions. [2022-11-20 10:31:41,680 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8476394849785408 [2022-11-20 10:31:41,680 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1185 transitions. [2022-11-20 10:31:41,680 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1185 transitions. [2022-11-20 10:31:41,681 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:31:41,681 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1185 transitions. [2022-11-20 10:31:41,683 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 395.0) internal successors, (1185), 3 states have internal predecessors, (1185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:41,686 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:41,687 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:41,687 INFO L175 Difference]: Start difference. First operand has 357 places, 355 transitions, 751 flow. Second operand 3 states and 1185 transitions. [2022-11-20 10:31:41,687 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 360 transitions, 825 flow [2022-11-20 10:31:41,690 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 358 places, 360 transitions, 825 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-20 10:31:41,695 INFO L231 Difference]: Finished difference. Result has 358 places, 354 transitions, 753 flow [2022-11-20 10:31:41,695 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=466, PETRI_DIFFERENCE_MINUEND_FLOW=749, PETRI_DIFFERENCE_MINUEND_PLACES=356, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=354, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=352, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=753, PETRI_PLACES=358, PETRI_TRANSITIONS=354} [2022-11-20 10:31:41,696 INFO L288 CegarLoopForPetriNet]: 431 programPoint places, -73 predicate places. [2022-11-20 10:31:41,696 INFO L495 AbstractCegarLoop]: Abstraction has has 358 places, 354 transitions, 753 flow [2022-11-20 10:31:41,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 387.6666666666667) internal successors, (1163), 3 states have internal predecessors, (1163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:41,697 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:31:41,697 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] [2022-11-20 10:31:41,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-20 10:31:41,697 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread1Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2022-11-20 10:31:41,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:41,698 INFO L85 PathProgramCache]: Analyzing trace with hash -286647097, now seen corresponding path program 1 times [2022-11-20 10:31:41,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:41,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272558602] [2022-11-20 10:31:41,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:41,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:41,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:41,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:31:41,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:41,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272558602] [2022-11-20 10:31:41,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272558602] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:41,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:41,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:31:41,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585517319] [2022-11-20 10:31:41,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:41,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:41,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:41,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:41,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:41,771 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 377 out of 466 [2022-11-20 10:31:41,772 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 358 places, 354 transitions, 753 flow. Second operand has 3 states, 3 states have (on average 379.3333333333333) internal successors, (1138), 3 states have internal predecessors, (1138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:41,772 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:31:41,772 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 377 of 466 [2022-11-20 10:31:41,772 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:31:42,481 INFO L130 PetriNetUnfolder]: 506/3167 cut-off events. [2022-11-20 10:31:42,482 INFO L131 PetriNetUnfolder]: For 281/286 co-relation queries the response was YES. [2022-11-20 10:31:42,505 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4391 conditions, 3167 events. 506/3167 cut-off events. For 281/286 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 28064 event pairs, 246 based on Foata normal form. 0/2619 useless extension candidates. Maximal degree in co-relation 4296. Up to 585 conditions per place. [2022-11-20 10:31:42,522 INFO L137 encePairwiseOnDemand]: 463/466 looper letters, 33 selfloop transitions, 2 changer transitions 0/360 dead transitions. [2022-11-20 10:31:42,522 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 359 places, 360 transitions, 845 flow [2022-11-20 10:31:42,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:42,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:31:42,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1163 transitions. [2022-11-20 10:31:42,525 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8319027181688126 [2022-11-20 10:31:42,525 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1163 transitions. [2022-11-20 10:31:42,526 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1163 transitions. [2022-11-20 10:31:42,526 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:31:42,526 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1163 transitions. [2022-11-20 10:31:42,529 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 387.6666666666667) internal successors, (1163), 3 states have internal predecessors, (1163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:42,531 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:42,532 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:42,532 INFO L175 Difference]: Start difference. First operand has 358 places, 354 transitions, 753 flow. Second operand 3 states and 1163 transitions. [2022-11-20 10:31:42,532 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 359 places, 360 transitions, 845 flow [2022-11-20 10:31:42,536 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 357 places, 360 transitions, 841 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:31:42,540 INFO L231 Difference]: Finished difference. Result has 357 places, 353 transitions, 751 flow [2022-11-20 10:31:42,540 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=466, PETRI_DIFFERENCE_MINUEND_FLOW=747, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=353, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=351, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=751, PETRI_PLACES=357, PETRI_TRANSITIONS=353} [2022-11-20 10:31:42,541 INFO L288 CegarLoopForPetriNet]: 431 programPoint places, -74 predicate places. [2022-11-20 10:31:42,541 INFO L495 AbstractCegarLoop]: Abstraction has has 357 places, 353 transitions, 751 flow [2022-11-20 10:31:42,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 379.3333333333333) internal successors, (1138), 3 states have internal predecessors, (1138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:42,542 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:31:42,542 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] [2022-11-20 10:31:42,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-20 10:31:42,542 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thread1Err22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2022-11-20 10:31:42,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:42,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1283586502, now seen corresponding path program 1 times [2022-11-20 10:31:42,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:42,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326437212] [2022-11-20 10:31:42,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:42,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:42,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:42,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:31:42,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:42,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326437212] [2022-11-20 10:31:42,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326437212] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:42,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:42,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:31:42,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772147160] [2022-11-20 10:31:42,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:42,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:42,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:42,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:42,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:42,612 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 377 out of 466 [2022-11-20 10:31:42,613 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 357 places, 353 transitions, 751 flow. Second operand has 3 states, 3 states have (on average 379.3333333333333) internal successors, (1138), 3 states have internal predecessors, (1138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:42,614 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:31:42,614 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 377 of 466 [2022-11-20 10:31:42,614 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:31:43,307 INFO L130 PetriNetUnfolder]: 485/3048 cut-off events. [2022-11-20 10:31:43,308 INFO L131 PetriNetUnfolder]: For 283/290 co-relation queries the response was YES. [2022-11-20 10:31:43,331 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4240 conditions, 3048 events. 485/3048 cut-off events. For 283/290 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 26573 event pairs, 232 based on Foata normal form. 1/2534 useless extension candidates. Maximal degree in co-relation 4145. Up to 555 conditions per place. [2022-11-20 10:31:43,348 INFO L137 encePairwiseOnDemand]: 463/466 looper letters, 32 selfloop transitions, 2 changer transitions 0/359 dead transitions. [2022-11-20 10:31:43,348 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 359 transitions, 841 flow [2022-11-20 10:31:43,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:43,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:31:43,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1162 transitions. [2022-11-20 10:31:43,352 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8311874105865522 [2022-11-20 10:31:43,352 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1162 transitions. [2022-11-20 10:31:43,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1162 transitions. [2022-11-20 10:31:43,353 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:31:43,353 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1162 transitions. [2022-11-20 10:31:43,355 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 387.3333333333333) internal successors, (1162), 3 states have internal predecessors, (1162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:43,359 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:43,360 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:43,360 INFO L175 Difference]: Start difference. First operand has 357 places, 353 transitions, 751 flow. Second operand 3 states and 1162 transitions. [2022-11-20 10:31:43,360 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 359 transitions, 841 flow [2022-11-20 10:31:43,365 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 356 places, 359 transitions, 837 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:31:43,369 INFO L231 Difference]: Finished difference. Result has 356 places, 352 transitions, 749 flow [2022-11-20 10:31:43,370 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=466, PETRI_DIFFERENCE_MINUEND_FLOW=745, PETRI_DIFFERENCE_MINUEND_PLACES=354, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=352, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=350, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=749, PETRI_PLACES=356, PETRI_TRANSITIONS=352} [2022-11-20 10:31:43,370 INFO L288 CegarLoopForPetriNet]: 431 programPoint places, -75 predicate places. [2022-11-20 10:31:43,371 INFO L495 AbstractCegarLoop]: Abstraction has has 356 places, 352 transitions, 749 flow [2022-11-20 10:31:43,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 379.3333333333333) internal successors, (1138), 3 states have internal predecessors, (1138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:43,371 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:31:43,372 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] [2022-11-20 10:31:43,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-20 10:31:43,372 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2022-11-20 10:31:43,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:43,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1203737051, now seen corresponding path program 1 times [2022-11-20 10:31:43,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:43,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4263465] [2022-11-20 10:31:43,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:43,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:43,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:43,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:31:43,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:43,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4263465] [2022-11-20 10:31:43,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4263465] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:43,436 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:43,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:31:43,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569587706] [2022-11-20 10:31:43,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:43,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:43,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:43,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:43,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:43,439 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 383 out of 466 [2022-11-20 10:31:43,440 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 352 transitions, 749 flow. Second operand has 3 states, 3 states have (on average 385.0) internal successors, (1155), 3 states have internal predecessors, (1155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:43,441 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:31:43,441 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 383 of 466 [2022-11-20 10:31:43,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:31:44,332 INFO L130 PetriNetUnfolder]: 767/2666 cut-off events. [2022-11-20 10:31:44,332 INFO L131 PetriNetUnfolder]: For 341/341 co-relation queries the response was YES. [2022-11-20 10:31:44,349 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4181 conditions, 2666 events. 767/2666 cut-off events. For 341/341 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 19983 event pairs, 362 based on Foata normal form. 0/2245 useless extension candidates. Maximal degree in co-relation 4086. Up to 925 conditions per place. [2022-11-20 10:31:44,363 INFO L137 encePairwiseOnDemand]: 463/466 looper letters, 30 selfloop transitions, 2 changer transitions 0/358 dead transitions. [2022-11-20 10:31:44,363 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 358 transitions, 831 flow [2022-11-20 10:31:44,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:44,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:31:44,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1179 transitions. [2022-11-20 10:31:44,366 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8433476394849786 [2022-11-20 10:31:44,366 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1179 transitions. [2022-11-20 10:31:44,366 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1179 transitions. [2022-11-20 10:31:44,367 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:31:44,367 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1179 transitions. [2022-11-20 10:31:44,370 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 393.0) internal successors, (1179), 3 states have internal predecessors, (1179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:44,373 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:44,374 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:44,374 INFO L175 Difference]: Start difference. First operand has 356 places, 352 transitions, 749 flow. Second operand 3 states and 1179 transitions. [2022-11-20 10:31:44,374 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 358 transitions, 831 flow [2022-11-20 10:31:44,378 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 358 transitions, 827 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:31:44,382 INFO L231 Difference]: Finished difference. Result has 355 places, 351 transitions, 747 flow [2022-11-20 10:31:44,383 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=466, PETRI_DIFFERENCE_MINUEND_FLOW=743, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=351, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=349, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=747, PETRI_PLACES=355, PETRI_TRANSITIONS=351} [2022-11-20 10:31:44,384 INFO L288 CegarLoopForPetriNet]: 431 programPoint places, -76 predicate places. [2022-11-20 10:31:44,384 INFO L495 AbstractCegarLoop]: Abstraction has has 355 places, 351 transitions, 747 flow [2022-11-20 10:31:44,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 385.0) internal successors, (1155), 3 states have internal predecessors, (1155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:44,384 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:31:44,385 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] [2022-11-20 10:31:44,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-20 10:31:44,385 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2022-11-20 10:31:44,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:44,386 INFO L85 PathProgramCache]: Analyzing trace with hash 224124757, now seen corresponding path program 1 times [2022-11-20 10:31:44,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:44,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501442495] [2022-11-20 10:31:44,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:44,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:44,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:44,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:31:44,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:44,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501442495] [2022-11-20 10:31:44,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501442495] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:44,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:44,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:31:44,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414860170] [2022-11-20 10:31:44,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:44,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:44,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:44,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:44,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:44,487 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 388 out of 466 [2022-11-20 10:31:44,488 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 351 transitions, 747 flow. Second operand has 3 states, 3 states have (on average 390.6666666666667) internal successors, (1172), 3 states have internal predecessors, (1172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:44,488 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:31:44,488 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 388 of 466 [2022-11-20 10:31:44,489 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:31:45,032 INFO L130 PetriNetUnfolder]: 555/1838 cut-off events. [2022-11-20 10:31:45,033 INFO L131 PetriNetUnfolder]: For 263/263 co-relation queries the response was YES. [2022-11-20 10:31:45,043 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3010 conditions, 1838 events. 555/1838 cut-off events. For 263/263 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 11742 event pairs, 226 based on Foata normal form. 0/1577 useless extension candidates. Maximal degree in co-relation 2915. Up to 591 conditions per place. [2022-11-20 10:31:45,053 INFO L137 encePairwiseOnDemand]: 463/466 looper letters, 24 selfloop transitions, 2 changer transitions 0/356 dead transitions. [2022-11-20 10:31:45,054 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 356 transitions, 815 flow [2022-11-20 10:31:45,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:45,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:31:45,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1188 transitions. [2022-11-20 10:31:45,057 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8497854077253219 [2022-11-20 10:31:45,057 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1188 transitions. [2022-11-20 10:31:45,057 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1188 transitions. [2022-11-20 10:31:45,058 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:31:45,058 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1188 transitions. [2022-11-20 10:31:45,061 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 396.0) internal successors, (1188), 3 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:45,063 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:45,064 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:45,064 INFO L175 Difference]: Start difference. First operand has 355 places, 351 transitions, 747 flow. Second operand 3 states and 1188 transitions. [2022-11-20 10:31:45,064 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 356 places, 356 transitions, 815 flow [2022-11-20 10:31:45,067 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 354 places, 356 transitions, 811 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:31:45,071 INFO L231 Difference]: Finished difference. Result has 354 places, 350 transitions, 745 flow [2022-11-20 10:31:45,071 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=466, PETRI_DIFFERENCE_MINUEND_FLOW=741, PETRI_DIFFERENCE_MINUEND_PLACES=352, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=350, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=745, PETRI_PLACES=354, PETRI_TRANSITIONS=350} [2022-11-20 10:31:45,072 INFO L288 CegarLoopForPetriNet]: 431 programPoint places, -77 predicate places. [2022-11-20 10:31:45,072 INFO L495 AbstractCegarLoop]: Abstraction has has 354 places, 350 transitions, 745 flow [2022-11-20 10:31:45,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 390.6666666666667) internal successors, (1172), 3 states have internal predecessors, (1172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:45,073 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:31:45,073 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] [2022-11-20 10:31:45,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-20 10:31:45,073 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2022-11-20 10:31:45,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:45,074 INFO L85 PathProgramCache]: Analyzing trace with hash 189223976, now seen corresponding path program 1 times [2022-11-20 10:31:45,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:45,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418780800] [2022-11-20 10:31:45,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:45,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:45,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:45,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:31:45,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:45,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418780800] [2022-11-20 10:31:45,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418780800] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:45,649 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:45,649 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 10:31:45,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245144440] [2022-11-20 10:31:45,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:45,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:31:45,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:45,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:31:45,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:31:45,653 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 361 out of 466 [2022-11-20 10:31:45,655 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 354 places, 350 transitions, 745 flow. Second operand has 6 states, 6 states have (on average 363.0) internal successors, (2178), 6 states have internal predecessors, (2178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:45,656 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:31:45,656 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 361 of 466 [2022-11-20 10:31:45,656 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:31:46,918 INFO L130 PetriNetUnfolder]: 1246/4163 cut-off events. [2022-11-20 10:31:46,918 INFO L131 PetriNetUnfolder]: For 677/706 co-relation queries the response was YES. [2022-11-20 10:31:46,950 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6806 conditions, 4163 events. 1246/4163 cut-off events. For 677/706 co-relation queries the response was YES. Maximal size of possible extension queue 160. Compared 33844 event pairs, 157 based on Foata normal form. 7/3567 useless extension candidates. Maximal degree in co-relation 6709. Up to 669 conditions per place. [2022-11-20 10:31:46,974 INFO L137 encePairwiseOnDemand]: 461/466 looper letters, 68 selfloop transitions, 4 changer transitions 0/377 dead transitions. [2022-11-20 10:31:46,974 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 377 transitions, 975 flow [2022-11-20 10:31:46,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:31:46,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 10:31:46,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2229 transitions. [2022-11-20 10:31:46,979 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7972103004291845 [2022-11-20 10:31:46,979 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2229 transitions. [2022-11-20 10:31:46,980 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2229 transitions. [2022-11-20 10:31:46,981 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:31:46,981 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2229 transitions. [2022-11-20 10:31:46,985 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 371.5) internal successors, (2229), 6 states have internal predecessors, (2229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:46,990 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 466.0) internal successors, (3262), 7 states have internal predecessors, (3262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:46,991 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 466.0) internal successors, (3262), 7 states have internal predecessors, (3262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:46,992 INFO L175 Difference]: Start difference. First operand has 354 places, 350 transitions, 745 flow. Second operand 6 states and 2229 transitions. [2022-11-20 10:31:46,992 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 377 transitions, 975 flow [2022-11-20 10:31:46,996 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 356 places, 377 transitions, 971 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:31:47,000 INFO L231 Difference]: Finished difference. Result has 356 places, 349 transitions, 747 flow [2022-11-20 10:31:47,002 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=466, PETRI_DIFFERENCE_MINUEND_FLOW=739, PETRI_DIFFERENCE_MINUEND_PLACES=351, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=349, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=345, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=747, PETRI_PLACES=356, PETRI_TRANSITIONS=349} [2022-11-20 10:31:47,002 INFO L288 CegarLoopForPetriNet]: 431 programPoint places, -75 predicate places. [2022-11-20 10:31:47,003 INFO L495 AbstractCegarLoop]: Abstraction has has 356 places, 349 transitions, 747 flow [2022-11-20 10:31:47,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 363.0) internal successors, (2178), 6 states have internal predecessors, (2178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:47,004 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:31:47,004 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] [2022-11-20 10:31:47,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-20 10:31:47,006 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting thread2Err20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2022-11-20 10:31:47,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:47,007 INFO L85 PathProgramCache]: Analyzing trace with hash 911870040, now seen corresponding path program 1 times [2022-11-20 10:31:47,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:47,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647346337] [2022-11-20 10:31:47,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:47,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:47,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:47,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:31:47,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:47,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647346337] [2022-11-20 10:31:47,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647346337] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:47,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:47,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:31:47,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741182372] [2022-11-20 10:31:47,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:47,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:47,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:47,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:47,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:47,097 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 386 out of 466 [2022-11-20 10:31:47,099 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 349 transitions, 747 flow. Second operand has 3 states, 3 states have (on average 389.6666666666667) internal successors, (1169), 3 states have internal predecessors, (1169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:47,099 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:31:47,099 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 386 of 466 [2022-11-20 10:31:47,099 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:31:47,666 INFO L130 PetriNetUnfolder]: 614/1945 cut-off events. [2022-11-20 10:31:47,666 INFO L131 PetriNetUnfolder]: For 289/289 co-relation queries the response was YES. [2022-11-20 10:31:47,678 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3237 conditions, 1945 events. 614/1945 cut-off events. For 289/289 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 12285 event pairs, 257 based on Foata normal form. 0/1684 useless extension candidates. Maximal degree in co-relation 3142. Up to 673 conditions per place. [2022-11-20 10:31:47,688 INFO L137 encePairwiseOnDemand]: 463/466 looper letters, 25 selfloop transitions, 2 changer transitions 0/354 dead transitions. [2022-11-20 10:31:47,688 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 354 transitions, 817 flow [2022-11-20 10:31:47,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:47,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:31:47,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1183 transitions. [2022-11-20 10:31:47,691 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.84620886981402 [2022-11-20 10:31:47,691 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1183 transitions. [2022-11-20 10:31:47,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1183 transitions. [2022-11-20 10:31:47,692 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:31:47,692 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1183 transitions. [2022-11-20 10:31:47,697 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 394.3333333333333) internal successors, (1183), 3 states have internal predecessors, (1183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:47,700 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:47,701 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:47,701 INFO L175 Difference]: Start difference. First operand has 356 places, 349 transitions, 747 flow. Second operand 3 states and 1183 transitions. [2022-11-20 10:31:47,701 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 354 transitions, 817 flow [2022-11-20 10:31:47,704 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 353 places, 354 transitions, 810 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 10:31:47,707 INFO L231 Difference]: Finished difference. Result has 353 places, 348 transitions, 742 flow [2022-11-20 10:31:47,708 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=466, PETRI_DIFFERENCE_MINUEND_FLOW=738, PETRI_DIFFERENCE_MINUEND_PLACES=351, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=348, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=346, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=742, PETRI_PLACES=353, PETRI_TRANSITIONS=348} [2022-11-20 10:31:47,708 INFO L288 CegarLoopForPetriNet]: 431 programPoint places, -78 predicate places. [2022-11-20 10:31:47,709 INFO L495 AbstractCegarLoop]: Abstraction has has 353 places, 348 transitions, 742 flow [2022-11-20 10:31:47,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 389.6666666666667) internal successors, (1169), 3 states have internal predecessors, (1169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:47,710 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:31:47,710 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] [2022-11-20 10:31:47,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-20 10:31:47,710 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting thread3Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2022-11-20 10:31:47,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:47,711 INFO L85 PathProgramCache]: Analyzing trace with hash -854134335, now seen corresponding path program 1 times [2022-11-20 10:31:47,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:47,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337472157] [2022-11-20 10:31:47,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:47,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:47,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:47,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:31:47,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:47,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337472157] [2022-11-20 10:31:47,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337472157] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:47,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:47,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:31:47,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718732850] [2022-11-20 10:31:47,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:47,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:47,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:47,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:47,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:47,782 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 385 out of 466 [2022-11-20 10:31:47,784 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 353 places, 348 transitions, 742 flow. Second operand has 3 states, 3 states have (on average 387.6666666666667) internal successors, (1163), 3 states have internal predecessors, (1163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:47,784 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:31:47,784 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 385 of 466 [2022-11-20 10:31:47,784 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:31:48,447 INFO L130 PetriNetUnfolder]: 611/2382 cut-off events. [2022-11-20 10:31:48,447 INFO L131 PetriNetUnfolder]: For 278/278 co-relation queries the response was YES. [2022-11-20 10:31:48,459 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3656 conditions, 2382 events. 611/2382 cut-off events. For 278/278 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 17547 event pairs, 251 based on Foata normal form. 1/2089 useless extension candidates. Maximal degree in co-relation 3561. Up to 644 conditions per place. [2022-11-20 10:31:48,468 INFO L137 encePairwiseOnDemand]: 461/466 looper letters, 25 selfloop transitions, 2 changer transitions 6/353 dead transitions. [2022-11-20 10:31:48,468 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 353 places, 353 transitions, 814 flow [2022-11-20 10:31:48,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:48,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:31:48,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1182 transitions. [2022-11-20 10:31:48,474 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8454935622317596 [2022-11-20 10:31:48,474 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1182 transitions. [2022-11-20 10:31:48,474 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1182 transitions. [2022-11-20 10:31:48,475 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:31:48,475 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1182 transitions. [2022-11-20 10:31:48,478 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 394.0) internal successors, (1182), 3 states have internal predecessors, (1182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:48,481 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:48,482 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:48,483 INFO L175 Difference]: Start difference. First operand has 353 places, 348 transitions, 742 flow. Second operand 3 states and 1182 transitions. [2022-11-20 10:31:48,483 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 353 places, 353 transitions, 814 flow [2022-11-20 10:31:48,486 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 351 places, 353 transitions, 810 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:31:48,491 INFO L231 Difference]: Finished difference. Result has 351 places, 340 transitions, 726 flow [2022-11-20 10:31:48,492 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=466, PETRI_DIFFERENCE_MINUEND_FLOW=734, PETRI_DIFFERENCE_MINUEND_PLACES=349, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=346, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=344, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=726, PETRI_PLACES=351, PETRI_TRANSITIONS=340} [2022-11-20 10:31:48,492 INFO L288 CegarLoopForPetriNet]: 431 programPoint places, -80 predicate places. [2022-11-20 10:31:48,492 INFO L495 AbstractCegarLoop]: Abstraction has has 351 places, 340 transitions, 726 flow [2022-11-20 10:31:48,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 387.6666666666667) internal successors, (1163), 3 states have internal predecessors, (1163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:48,493 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:31:48,493 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] [2022-11-20 10:31:48,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-20 10:31:48,494 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting thread2Err21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2022-11-20 10:31:48,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:48,495 INFO L85 PathProgramCache]: Analyzing trace with hash -145971315, now seen corresponding path program 1 times [2022-11-20 10:31:48,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:48,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127366387] [2022-11-20 10:31:48,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:48,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:48,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:48,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:31:48,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:48,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127366387] [2022-11-20 10:31:48,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127366387] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:48,582 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:48,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:31:48,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127538112] [2022-11-20 10:31:48,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:48,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:48,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:48,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:48,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:48,586 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 388 out of 466 [2022-11-20 10:31:48,588 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 351 places, 340 transitions, 726 flow. Second operand has 3 states, 3 states have (on average 390.0) internal successors, (1170), 3 states have internal predecessors, (1170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:48,588 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:31:48,589 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 388 of 466 [2022-11-20 10:31:48,589 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:31:49,084 INFO L130 PetriNetUnfolder]: 373/1738 cut-off events. [2022-11-20 10:31:49,084 INFO L131 PetriNetUnfolder]: For 179/179 co-relation queries the response was YES. [2022-11-20 10:31:49,097 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2596 conditions, 1738 events. 373/1738 cut-off events. For 179/179 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 11634 event pairs, 131 based on Foata normal form. 0/1577 useless extension candidates. Maximal degree in co-relation 2501. Up to 349 conditions per place. [2022-11-20 10:31:49,105 INFO L137 encePairwiseOnDemand]: 461/466 looper letters, 23 selfloop transitions, 3 changer transitions 0/344 dead transitions. [2022-11-20 10:31:49,106 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 346 places, 344 transitions, 792 flow [2022-11-20 10:31:49,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:49,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:31:49,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1189 transitions. [2022-11-20 10:31:49,110 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8505007153075823 [2022-11-20 10:31:49,110 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1189 transitions. [2022-11-20 10:31:49,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1189 transitions. [2022-11-20 10:31:49,111 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:31:49,112 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1189 transitions. [2022-11-20 10:31:49,115 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 396.3333333333333) internal successors, (1189), 3 states have internal predecessors, (1189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:49,118 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:49,119 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:49,119 INFO L175 Difference]: Start difference. First operand has 351 places, 340 transitions, 726 flow. Second operand 3 states and 1189 transitions. [2022-11-20 10:31:49,120 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 346 places, 344 transitions, 792 flow [2022-11-20 10:31:49,123 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 344 places, 344 transitions, 788 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:31:49,128 INFO L231 Difference]: Finished difference. Result has 344 places, 338 transitions, 724 flow [2022-11-20 10:31:49,128 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=466, PETRI_DIFFERENCE_MINUEND_FLOW=718, PETRI_DIFFERENCE_MINUEND_PLACES=342, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=338, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=335, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=724, PETRI_PLACES=344, PETRI_TRANSITIONS=338} [2022-11-20 10:31:49,129 INFO L288 CegarLoopForPetriNet]: 431 programPoint places, -87 predicate places. [2022-11-20 10:31:49,129 INFO L495 AbstractCegarLoop]: Abstraction has has 344 places, 338 transitions, 724 flow [2022-11-20 10:31:49,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 390.0) internal successors, (1170), 3 states have internal predecessors, (1170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:49,130 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:31:49,130 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] [2022-11-20 10:31:49,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-20 10:31:49,131 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting thread3Err12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2022-11-20 10:31:49,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:49,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1539071932, now seen corresponding path program 1 times [2022-11-20 10:31:49,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:49,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410499741] [2022-11-20 10:31:49,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:49,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:49,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:31:49,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:49,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410499741] [2022-11-20 10:31:49,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410499741] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:49,215 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:49,215 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:31:49,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681709231] [2022-11-20 10:31:49,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:49,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:49,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:49,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:49,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:49,218 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 383 out of 466 [2022-11-20 10:31:49,220 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 344 places, 338 transitions, 724 flow. Second operand has 3 states, 3 states have (on average 386.6666666666667) internal successors, (1160), 3 states have internal predecessors, (1160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:49,221 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:31:49,221 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 383 of 466 [2022-11-20 10:31:49,221 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:31:49,812 INFO L130 PetriNetUnfolder]: 672/2375 cut-off events. [2022-11-20 10:31:49,812 INFO L131 PetriNetUnfolder]: For 305/305 co-relation queries the response was YES. [2022-11-20 10:31:49,822 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3758 conditions, 2375 events. 672/2375 cut-off events. For 305/305 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 17251 event pairs, 290 based on Foata normal form. 0/2128 useless extension candidates. Maximal degree in co-relation 3663. Up to 737 conditions per place. [2022-11-20 10:31:49,829 INFO L137 encePairwiseOnDemand]: 463/466 looper letters, 26 selfloop transitions, 2 changer transitions 0/344 dead transitions. [2022-11-20 10:31:49,829 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 345 places, 344 transitions, 798 flow [2022-11-20 10:31:49,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:49,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:31:49,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1175 transitions. [2022-11-20 10:31:49,834 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8404864091559371 [2022-11-20 10:31:49,834 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1175 transitions. [2022-11-20 10:31:49,834 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1175 transitions. [2022-11-20 10:31:49,835 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:31:49,835 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1175 transitions. [2022-11-20 10:31:49,837 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 391.6666666666667) internal successors, (1175), 3 states have internal predecessors, (1175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:49,840 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:49,841 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:49,841 INFO L175 Difference]: Start difference. First operand has 344 places, 338 transitions, 724 flow. Second operand 3 states and 1175 transitions. [2022-11-20 10:31:49,841 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 345 places, 344 transitions, 798 flow [2022-11-20 10:31:49,844 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 343 places, 344 transitions, 792 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:31:49,848 INFO L231 Difference]: Finished difference. Result has 343 places, 337 transitions, 720 flow [2022-11-20 10:31:49,849 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=466, PETRI_DIFFERENCE_MINUEND_FLOW=716, PETRI_DIFFERENCE_MINUEND_PLACES=341, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=337, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=335, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=720, PETRI_PLACES=343, PETRI_TRANSITIONS=337} [2022-11-20 10:31:49,850 INFO L288 CegarLoopForPetriNet]: 431 programPoint places, -88 predicate places. [2022-11-20 10:31:49,850 INFO L495 AbstractCegarLoop]: Abstraction has has 343 places, 337 transitions, 720 flow [2022-11-20 10:31:49,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 386.6666666666667) internal successors, (1160), 3 states have internal predecessors, (1160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:49,851 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:31:49,851 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] [2022-11-20 10:31:49,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-20 10:31:49,851 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting thread3Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2022-11-20 10:31:49,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:49,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1714181489, now seen corresponding path program 1 times [2022-11-20 10:31:49,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:49,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947700456] [2022-11-20 10:31:49,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:49,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:49,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:49,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:31:49,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:49,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947700456] [2022-11-20 10:31:49,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947700456] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:49,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:49,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:31:49,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101971612] [2022-11-20 10:31:49,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:49,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:49,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:49,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:49,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:49,918 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 388 out of 466 [2022-11-20 10:31:49,919 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 337 transitions, 720 flow. Second operand has 3 states, 3 states have (on average 390.0) internal successors, (1170), 3 states have internal predecessors, (1170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:49,919 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:31:49,920 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 388 of 466 [2022-11-20 10:31:49,920 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:31:50,346 INFO L130 PetriNetUnfolder]: 410/1928 cut-off events. [2022-11-20 10:31:50,346 INFO L131 PetriNetUnfolder]: For 189/189 co-relation queries the response was YES. [2022-11-20 10:31:50,356 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2833 conditions, 1928 events. 410/1928 cut-off events. For 189/189 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 13587 event pairs, 146 based on Foata normal form. 1/1777 useless extension candidates. Maximal degree in co-relation 2738. Up to 383 conditions per place. [2022-11-20 10:31:50,363 INFO L137 encePairwiseOnDemand]: 461/466 looper letters, 22 selfloop transitions, 2 changer transitions 11/342 dead transitions. [2022-11-20 10:31:50,364 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 343 places, 342 transitions, 788 flow [2022-11-20 10:31:50,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:50,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:31:50,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1189 transitions. [2022-11-20 10:31:50,367 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8505007153075823 [2022-11-20 10:31:50,367 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1189 transitions. [2022-11-20 10:31:50,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1189 transitions. [2022-11-20 10:31:50,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:31:50,368 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1189 transitions. [2022-11-20 10:31:50,370 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 396.3333333333333) internal successors, (1189), 3 states have internal predecessors, (1189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:50,373 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:50,373 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:50,373 INFO L175 Difference]: Start difference. First operand has 343 places, 337 transitions, 720 flow. Second operand 3 states and 1189 transitions. [2022-11-20 10:31:50,374 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 343 places, 342 transitions, 788 flow [2022-11-20 10:31:50,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 341 places, 342 transitions, 784 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:31:50,380 INFO L231 Difference]: Finished difference. Result has 341 places, 324 transitions, 693 flow [2022-11-20 10:31:50,381 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=466, PETRI_DIFFERENCE_MINUEND_FLOW=712, PETRI_DIFFERENCE_MINUEND_PLACES=339, 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=693, PETRI_PLACES=341, PETRI_TRANSITIONS=324} [2022-11-20 10:31:50,381 INFO L288 CegarLoopForPetriNet]: 431 programPoint places, -90 predicate places. [2022-11-20 10:31:50,382 INFO L495 AbstractCegarLoop]: Abstraction has has 341 places, 324 transitions, 693 flow [2022-11-20 10:31:50,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 390.0) internal successors, (1170), 3 states have internal predecessors, (1170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:50,382 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:31:50,382 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] [2022-11-20 10:31:50,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-20 10:31:50,383 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting thread2Err23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2022-11-20 10:31:50,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:50,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1048521778, now seen corresponding path program 1 times [2022-11-20 10:31:50,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:50,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221781271] [2022-11-20 10:31:50,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:50,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:50,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:50,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:31:50,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:50,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221781271] [2022-11-20 10:31:50,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221781271] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:50,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:50,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:31:50,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420983399] [2022-11-20 10:31:50,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:50,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:50,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:50,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:50,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:50,455 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 386 out of 466 [2022-11-20 10:31:50,456 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 341 places, 324 transitions, 693 flow. Second operand has 3 states, 3 states have (on average 389.0) internal successors, (1167), 3 states have internal predecessors, (1167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:50,457 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:31:50,457 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 386 of 466 [2022-11-20 10:31:50,457 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:31:50,892 INFO L130 PetriNetUnfolder]: 404/1731 cut-off events. [2022-11-20 10:31:50,892 INFO L131 PetriNetUnfolder]: For 194/194 co-relation queries the response was YES. [2022-11-20 10:31:50,902 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2660 conditions, 1731 events. 404/1731 cut-off events. For 194/194 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 11429 event pairs, 169 based on Foata normal form. 0/1599 useless extension candidates. Maximal degree in co-relation 2565. Up to 450 conditions per place. [2022-11-20 10:31:50,909 INFO L137 encePairwiseOnDemand]: 463/466 looper letters, 22 selfloop transitions, 2 changer transitions 0/329 dead transitions. [2022-11-20 10:31:50,909 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 331 places, 329 transitions, 757 flow [2022-11-20 10:31:50,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:50,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:31:50,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1180 transitions. [2022-11-20 10:31:50,913 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.844062947067239 [2022-11-20 10:31:50,913 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1180 transitions. [2022-11-20 10:31:50,913 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1180 transitions. [2022-11-20 10:31:50,914 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:31:50,914 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1180 transitions. [2022-11-20 10:31:50,915 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 393.3333333333333) internal successors, (1180), 3 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:50,918 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:50,918 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:50,919 INFO L175 Difference]: Start difference. First operand has 341 places, 324 transitions, 693 flow. Second operand 3 states and 1180 transitions. [2022-11-20 10:31:50,919 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 331 places, 329 transitions, 757 flow [2022-11-20 10:31:50,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 329 places, 329 transitions, 753 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:31:50,925 INFO L231 Difference]: Finished difference. Result has 329 places, 323 transitions, 691 flow [2022-11-20 10:31:50,926 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=466, PETRI_DIFFERENCE_MINUEND_FLOW=687, PETRI_DIFFERENCE_MINUEND_PLACES=327, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=323, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=321, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=691, PETRI_PLACES=329, PETRI_TRANSITIONS=323} [2022-11-20 10:31:50,926 INFO L288 CegarLoopForPetriNet]: 431 programPoint places, -102 predicate places. [2022-11-20 10:31:50,926 INFO L495 AbstractCegarLoop]: Abstraction has has 329 places, 323 transitions, 691 flow [2022-11-20 10:31:50,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 389.0) internal successors, (1167), 3 states have internal predecessors, (1167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:50,927 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:31:50,927 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] [2022-11-20 10:31:50,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-20 10:31:50,928 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting thread3Err15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2022-11-20 10:31:50,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:50,928 INFO L85 PathProgramCache]: Analyzing trace with hash 224470772, now seen corresponding path program 1 times [2022-11-20 10:31:50,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:50,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563986793] [2022-11-20 10:31:50,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:50,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:50,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:50,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:31:50,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:50,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563986793] [2022-11-20 10:31:50,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563986793] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:50,991 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:50,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:31:50,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897155995] [2022-11-20 10:31:50,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:50,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:50,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:50,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:50,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:50,994 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 386 out of 466 [2022-11-20 10:31:50,995 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 329 places, 323 transitions, 691 flow. Second operand has 3 states, 3 states have (on average 389.0) internal successors, (1167), 3 states have internal predecessors, (1167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:50,995 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:31:50,995 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 386 of 466 [2022-11-20 10:31:50,995 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:31:51,516 INFO L130 PetriNetUnfolder]: 465/2032 cut-off events. [2022-11-20 10:31:51,516 INFO L131 PetriNetUnfolder]: For 219/219 co-relation queries the response was YES. [2022-11-20 10:31:51,525 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3065 conditions, 2032 events. 465/2032 cut-off events. For 219/219 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 14522 event pairs, 191 based on Foata normal form. 0/1895 useless extension candidates. Maximal degree in co-relation 2970. Up to 500 conditions per place. [2022-11-20 10:31:51,532 INFO L137 encePairwiseOnDemand]: 463/466 looper letters, 23 selfloop transitions, 2 changer transitions 0/329 dead transitions. [2022-11-20 10:31:51,532 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 330 places, 329 transitions, 759 flow [2022-11-20 10:31:51,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:51,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:31:51,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1181 transitions. [2022-11-20 10:31:51,536 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8447782546494993 [2022-11-20 10:31:51,536 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1181 transitions. [2022-11-20 10:31:51,536 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1181 transitions. [2022-11-20 10:31:51,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:31:51,537 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1181 transitions. [2022-11-20 10:31:51,539 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 393.6666666666667) internal successors, (1181), 3 states have internal predecessors, (1181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:51,544 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:51,544 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:51,545 INFO L175 Difference]: Start difference. First operand has 329 places, 323 transitions, 691 flow. Second operand 3 states and 1181 transitions. [2022-11-20 10:31:51,545 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 330 places, 329 transitions, 759 flow [2022-11-20 10:31:51,548 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 328 places, 329 transitions, 755 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:31:51,551 INFO L231 Difference]: Finished difference. Result has 328 places, 322 transitions, 689 flow [2022-11-20 10:31:51,552 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=466, PETRI_DIFFERENCE_MINUEND_FLOW=685, PETRI_DIFFERENCE_MINUEND_PLACES=326, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=322, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=320, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=689, PETRI_PLACES=328, PETRI_TRANSITIONS=322} [2022-11-20 10:31:51,552 INFO L288 CegarLoopForPetriNet]: 431 programPoint places, -103 predicate places. [2022-11-20 10:31:51,552 INFO L495 AbstractCegarLoop]: Abstraction has has 328 places, 322 transitions, 689 flow [2022-11-20 10:31:51,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 389.0) internal successors, (1167), 3 states have internal predecessors, (1167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:51,553 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:31:51,553 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] [2022-11-20 10:31:51,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-11-20 10:31:51,554 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2022-11-20 10:31:51,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:51,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1802459075, now seen corresponding path program 1 times [2022-11-20 10:31:51,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:51,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221225338] [2022-11-20 10:31:51,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:51,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:51,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:52,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:31:52,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:52,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221225338] [2022-11-20 10:31:52,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221225338] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:52,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:52,280 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 10:31:52,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832018655] [2022-11-20 10:31:52,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:52,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:31:52,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:52,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:31:52,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:31:52,283 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 361 out of 466 [2022-11-20 10:31:52,285 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 328 places, 322 transitions, 689 flow. Second operand has 6 states, 6 states have (on average 364.1666666666667) internal successors, (2185), 6 states have internal predecessors, (2185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:52,285 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:31:52,285 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 361 of 466 [2022-11-20 10:31:52,285 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:31:53,310 INFO L130 PetriNetUnfolder]: 993/2769 cut-off events. [2022-11-20 10:31:53,310 INFO L131 PetriNetUnfolder]: For 549/549 co-relation queries the response was YES. [2022-11-20 10:31:53,325 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4904 conditions, 2769 events. 993/2769 cut-off events. For 549/549 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 19562 event pairs, 520 based on Foata normal form. 0/2470 useless extension candidates. Maximal degree in co-relation 4807. Up to 1199 conditions per place. [2022-11-20 10:31:53,338 INFO L137 encePairwiseOnDemand]: 461/466 looper letters, 57 selfloop transitions, 4 changer transitions 1/341 dead transitions. [2022-11-20 10:31:53,338 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 332 places, 341 transitions, 883 flow [2022-11-20 10:31:53,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:31:53,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 10:31:53,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2219 transitions. [2022-11-20 10:31:53,343 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7936337625178826 [2022-11-20 10:31:53,343 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2219 transitions. [2022-11-20 10:31:53,343 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2219 transitions. [2022-11-20 10:31:53,344 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:31:53,345 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2219 transitions. [2022-11-20 10:31:53,348 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 369.8333333333333) internal successors, (2219), 6 states have internal predecessors, (2219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:53,352 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 466.0) internal successors, (3262), 7 states have internal predecessors, (3262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:53,352 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 466.0) internal successors, (3262), 7 states have internal predecessors, (3262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:53,353 INFO L175 Difference]: Start difference. First operand has 328 places, 322 transitions, 689 flow. Second operand 6 states and 2219 transitions. [2022-11-20 10:31:53,353 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 332 places, 341 transitions, 883 flow [2022-11-20 10:31:53,355 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 330 places, 341 transitions, 879 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:31:53,359 INFO L231 Difference]: Finished difference. Result has 330 places, 320 transitions, 689 flow [2022-11-20 10:31:53,359 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=466, PETRI_DIFFERENCE_MINUEND_FLOW=683, PETRI_DIFFERENCE_MINUEND_PLACES=325, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=321, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=317, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=689, PETRI_PLACES=330, PETRI_TRANSITIONS=320} [2022-11-20 10:31:53,360 INFO L288 CegarLoopForPetriNet]: 431 programPoint places, -101 predicate places. [2022-11-20 10:31:53,360 INFO L495 AbstractCegarLoop]: Abstraction has has 330 places, 320 transitions, 689 flow [2022-11-20 10:31:53,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 364.1666666666667) internal successors, (2185), 6 states have internal predecessors, (2185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:53,361 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:31:53,361 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] [2022-11-20 10:31:53,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-11-20 10:31:53,361 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2022-11-20 10:31:53,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:53,362 INFO L85 PathProgramCache]: Analyzing trace with hash 1965104259, now seen corresponding path program 1 times [2022-11-20 10:31:53,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:53,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456826610] [2022-11-20 10:31:53,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:53,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:53,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:54,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:31:54,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:54,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456826610] [2022-11-20 10:31:54,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456826610] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:54,122 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:54,122 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 10:31:54,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486744273] [2022-11-20 10:31:54,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:54,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:31:54,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:54,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:31:54,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:31:54,126 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 361 out of 466 [2022-11-20 10:31:54,127 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 330 places, 320 transitions, 689 flow. Second operand has 6 states, 6 states have (on average 365.5) internal successors, (2193), 6 states have internal predecessors, (2193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:54,127 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:31:54,127 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 361 of 466 [2022-11-20 10:31:54,128 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:31:55,129 INFO L130 PetriNetUnfolder]: 1013/2925 cut-off events. [2022-11-20 10:31:55,129 INFO L131 PetriNetUnfolder]: For 552/559 co-relation queries the response was YES. [2022-11-20 10:31:55,140 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5082 conditions, 2925 events. 1013/2925 cut-off events. For 552/559 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 21242 event pairs, 574 based on Foata normal form. 2/2585 useless extension candidates. Maximal degree in co-relation 4985. Up to 1336 conditions per place. [2022-11-20 10:31:55,142 INFO L137 encePairwiseOnDemand]: 461/466 looper letters, 0 selfloop transitions, 0 changer transitions 327/327 dead transitions. [2022-11-20 10:31:55,143 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 333 places, 327 transitions, 815 flow [2022-11-20 10:31:55,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:31:55,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 10:31:55,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2209 transitions. [2022-11-20 10:31:55,152 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7900572246065808 [2022-11-20 10:31:55,152 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2209 transitions. [2022-11-20 10:31:55,152 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2209 transitions. [2022-11-20 10:31:55,153 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:31:55,154 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2209 transitions. [2022-11-20 10:31:55,158 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 368.1666666666667) internal successors, (2209), 6 states have internal predecessors, (2209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:55,164 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 466.0) internal successors, (3262), 7 states have internal predecessors, (3262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:55,165 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 466.0) internal successors, (3262), 7 states have internal predecessors, (3262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:55,165 INFO L175 Difference]: Start difference. First operand has 330 places, 320 transitions, 689 flow. Second operand 6 states and 2209 transitions. [2022-11-20 10:31:55,165 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 333 places, 327 transitions, 815 flow [2022-11-20 10:31:55,169 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 329 places, 327 transitions, 808 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 10:31:55,171 INFO L231 Difference]: Finished difference. Result has 329 places, 0 transitions, 0 flow [2022-11-20 10:31:55,172 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=466, PETRI_DIFFERENCE_MINUEND_FLOW=680, PETRI_DIFFERENCE_MINUEND_PLACES=324, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=319, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=319, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=329, PETRI_TRANSITIONS=0} [2022-11-20 10:31:55,172 INFO L288 CegarLoopForPetriNet]: 431 programPoint places, -102 predicate places. [2022-11-20 10:31:55,172 INFO L495 AbstractCegarLoop]: Abstraction has has 329 places, 0 transitions, 0 flow [2022-11-20 10:31:55,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 365.5) internal successors, (2193), 6 states have internal predecessors, (2193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:55,175 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (154 of 155 remaining) [2022-11-20 10:31:55,176 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (153 of 155 remaining) [2022-11-20 10:31:55,176 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (152 of 155 remaining) [2022-11-20 10:31:55,176 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (151 of 155 remaining) [2022-11-20 10:31:55,177 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (150 of 155 remaining) [2022-11-20 10:31:55,177 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (149 of 155 remaining) [2022-11-20 10:31:55,177 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (148 of 155 remaining) [2022-11-20 10:31:55,177 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (147 of 155 remaining) [2022-11-20 10:31:55,177 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (146 of 155 remaining) [2022-11-20 10:31:55,178 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (145 of 155 remaining) [2022-11-20 10:31:55,178 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (144 of 155 remaining) [2022-11-20 10:31:55,178 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (143 of 155 remaining) [2022-11-20 10:31:55,178 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (142 of 155 remaining) [2022-11-20 10:31:55,179 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (141 of 155 remaining) [2022-11-20 10:31:55,179 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (140 of 155 remaining) [2022-11-20 10:31:55,179 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (139 of 155 remaining) [2022-11-20 10:31:55,179 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (138 of 155 remaining) [2022-11-20 10:31:55,179 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (137 of 155 remaining) [2022-11-20 10:31:55,180 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (136 of 155 remaining) [2022-11-20 10:31:55,180 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (135 of 155 remaining) [2022-11-20 10:31:55,180 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (134 of 155 remaining) [2022-11-20 10:31:55,180 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (133 of 155 remaining) [2022-11-20 10:31:55,180 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (132 of 155 remaining) [2022-11-20 10:31:55,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (131 of 155 remaining) [2022-11-20 10:31:55,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (130 of 155 remaining) [2022-11-20 10:31:55,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (129 of 155 remaining) [2022-11-20 10:31:55,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (128 of 155 remaining) [2022-11-20 10:31:55,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (127 of 155 remaining) [2022-11-20 10:31:55,182 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (126 of 155 remaining) [2022-11-20 10:31:55,182 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (125 of 155 remaining) [2022-11-20 10:31:55,182 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (124 of 155 remaining) [2022-11-20 10:31:55,182 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (123 of 155 remaining) [2022-11-20 10:31:55,182 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (122 of 155 remaining) [2022-11-20 10:31:55,183 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (121 of 155 remaining) [2022-11-20 10:31:55,183 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (120 of 155 remaining) [2022-11-20 10:31:55,183 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (119 of 155 remaining) [2022-11-20 10:31:55,183 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (118 of 155 remaining) [2022-11-20 10:31:55,184 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (117 of 155 remaining) [2022-11-20 10:31:55,184 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (116 of 155 remaining) [2022-11-20 10:31:55,184 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (115 of 155 remaining) [2022-11-20 10:31:55,184 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (114 of 155 remaining) [2022-11-20 10:31:55,184 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (113 of 155 remaining) [2022-11-20 10:31:55,185 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (112 of 155 remaining) [2022-11-20 10:31:55,185 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (111 of 155 remaining) [2022-11-20 10:31:55,185 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (110 of 155 remaining) [2022-11-20 10:31:55,185 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (109 of 155 remaining) [2022-11-20 10:31:55,185 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (108 of 155 remaining) [2022-11-20 10:31:55,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (107 of 155 remaining) [2022-11-20 10:31:55,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (106 of 155 remaining) [2022-11-20 10:31:55,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (105 of 155 remaining) [2022-11-20 10:31:55,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (104 of 155 remaining) [2022-11-20 10:31:55,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (103 of 155 remaining) [2022-11-20 10:31:55,187 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (102 of 155 remaining) [2022-11-20 10:31:55,187 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (101 of 155 remaining) [2022-11-20 10:31:55,187 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (100 of 155 remaining) [2022-11-20 10:31:55,187 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (99 of 155 remaining) [2022-11-20 10:31:55,188 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (98 of 155 remaining) [2022-11-20 10:31:55,188 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (97 of 155 remaining) [2022-11-20 10:31:55,188 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (96 of 155 remaining) [2022-11-20 10:31:55,188 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (95 of 155 remaining) [2022-11-20 10:31:55,188 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (94 of 155 remaining) [2022-11-20 10:31:55,189 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (93 of 155 remaining) [2022-11-20 10:31:55,189 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (92 of 155 remaining) [2022-11-20 10:31:55,189 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (91 of 155 remaining) [2022-11-20 10:31:55,189 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (90 of 155 remaining) [2022-11-20 10:31:55,189 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (89 of 155 remaining) [2022-11-20 10:31:55,190 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (88 of 155 remaining) [2022-11-20 10:31:55,190 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (87 of 155 remaining) [2022-11-20 10:31:55,190 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (86 of 155 remaining) [2022-11-20 10:31:55,190 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (85 of 155 remaining) [2022-11-20 10:31:55,190 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (84 of 155 remaining) [2022-11-20 10:31:55,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (83 of 155 remaining) [2022-11-20 10:31:55,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (82 of 155 remaining) [2022-11-20 10:31:55,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (81 of 155 remaining) [2022-11-20 10:31:55,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (80 of 155 remaining) [2022-11-20 10:31:55,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (79 of 155 remaining) [2022-11-20 10:31:55,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (78 of 155 remaining) [2022-11-20 10:31:55,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (77 of 155 remaining) [2022-11-20 10:31:55,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (76 of 155 remaining) [2022-11-20 10:31:55,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (75 of 155 remaining) [2022-11-20 10:31:55,193 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (74 of 155 remaining) [2022-11-20 10:31:55,193 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (73 of 155 remaining) [2022-11-20 10:31:55,193 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (72 of 155 remaining) [2022-11-20 10:31:55,193 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (71 of 155 remaining) [2022-11-20 10:31:55,193 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (70 of 155 remaining) [2022-11-20 10:31:55,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (69 of 155 remaining) [2022-11-20 10:31:55,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (68 of 155 remaining) [2022-11-20 10:31:55,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (67 of 155 remaining) [2022-11-20 10:31:55,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (66 of 155 remaining) [2022-11-20 10:31:55,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (65 of 155 remaining) [2022-11-20 10:31:55,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (64 of 155 remaining) [2022-11-20 10:31:55,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (63 of 155 remaining) [2022-11-20 10:31:55,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (62 of 155 remaining) [2022-11-20 10:31:55,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (61 of 155 remaining) [2022-11-20 10:31:55,197 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (60 of 155 remaining) [2022-11-20 10:31:55,197 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (59 of 155 remaining) [2022-11-20 10:31:55,197 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (58 of 155 remaining) [2022-11-20 10:31:55,197 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (57 of 155 remaining) [2022-11-20 10:31:55,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (56 of 155 remaining) [2022-11-20 10:31:55,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (55 of 155 remaining) [2022-11-20 10:31:55,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (54 of 155 remaining) [2022-11-20 10:31:55,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (53 of 155 remaining) [2022-11-20 10:31:55,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (52 of 155 remaining) [2022-11-20 10:31:55,199 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (51 of 155 remaining) [2022-11-20 10:31:55,199 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (50 of 155 remaining) [2022-11-20 10:31:55,199 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (49 of 155 remaining) [2022-11-20 10:31:55,199 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (48 of 155 remaining) [2022-11-20 10:31:55,199 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (47 of 155 remaining) [2022-11-20 10:31:55,200 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (46 of 155 remaining) [2022-11-20 10:31:55,200 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (45 of 155 remaining) [2022-11-20 10:31:55,200 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (44 of 155 remaining) [2022-11-20 10:31:55,200 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (43 of 155 remaining) [2022-11-20 10:31:55,201 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (42 of 155 remaining) [2022-11-20 10:31:55,201 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (41 of 155 remaining) [2022-11-20 10:31:55,201 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (40 of 155 remaining) [2022-11-20 10:31:55,201 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (39 of 155 remaining) [2022-11-20 10:31:55,201 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (38 of 155 remaining) [2022-11-20 10:31:55,202 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (37 of 155 remaining) [2022-11-20 10:31:55,202 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (36 of 155 remaining) [2022-11-20 10:31:55,202 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (35 of 155 remaining) [2022-11-20 10:31:55,202 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (34 of 155 remaining) [2022-11-20 10:31:55,202 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (33 of 155 remaining) [2022-11-20 10:31:55,203 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (32 of 155 remaining) [2022-11-20 10:31:55,203 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (31 of 155 remaining) [2022-11-20 10:31:55,203 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (30 of 155 remaining) [2022-11-20 10:31:55,203 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (29 of 155 remaining) [2022-11-20 10:31:55,203 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (28 of 155 remaining) [2022-11-20 10:31:55,204 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (27 of 155 remaining) [2022-11-20 10:31:55,204 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (26 of 155 remaining) [2022-11-20 10:31:55,204 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (25 of 155 remaining) [2022-11-20 10:31:55,204 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (24 of 155 remaining) [2022-11-20 10:31:55,205 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (23 of 155 remaining) [2022-11-20 10:31:55,205 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (22 of 155 remaining) [2022-11-20 10:31:55,205 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (21 of 155 remaining) [2022-11-20 10:31:55,205 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (20 of 155 remaining) [2022-11-20 10:31:55,205 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (19 of 155 remaining) [2022-11-20 10:31:55,206 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (18 of 155 remaining) [2022-11-20 10:31:55,206 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (17 of 155 remaining) [2022-11-20 10:31:55,206 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (16 of 155 remaining) [2022-11-20 10:31:55,206 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (15 of 155 remaining) [2022-11-20 10:31:55,206 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (14 of 155 remaining) [2022-11-20 10:31:55,207 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (13 of 155 remaining) [2022-11-20 10:31:55,207 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (12 of 155 remaining) [2022-11-20 10:31:55,207 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (11 of 155 remaining) [2022-11-20 10:31:55,207 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (10 of 155 remaining) [2022-11-20 10:31:55,208 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (9 of 155 remaining) [2022-11-20 10:31:55,208 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (8 of 155 remaining) [2022-11-20 10:31:55,208 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (7 of 155 remaining) [2022-11-20 10:31:55,208 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (6 of 155 remaining) [2022-11-20 10:31:55,208 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (5 of 155 remaining) [2022-11-20 10:31:55,209 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (4 of 155 remaining) [2022-11-20 10:31:55,209 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (3 of 155 remaining) [2022-11-20 10:31:55,209 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (2 of 155 remaining) [2022-11-20 10:31:55,209 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (1 of 155 remaining) [2022-11-20 10:31:55,209 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (0 of 155 remaining) [2022-11-20 10:31:55,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-11-20 10:31:55,210 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:31:55,217 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-20 10:31:55,218 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 10:31:55,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:31:55 BasicIcfg [2022-11-20 10:31:55,224 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 10:31:55,225 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:31:55,225 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:31:55,225 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:31:55,226 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:31:30" (3/4) ... [2022-11-20 10:31:55,228 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 10:31:55,235 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-20 10:31:55,235 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-20 10:31:55,235 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-20 10:31:55,250 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2022-11-20 10:31:55,251 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 10:31:55,251 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 10:31:55,252 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 10:31:55,337 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725042a7-67ce-4264-a043-bf8546b97ddb/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 10:31:55,338 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:31:55,338 INFO L158 Benchmark]: Toolchain (without parser) took 26853.91ms. Allocated memory was 159.4MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 131.1MB in the beginning and 1.1GB in the end (delta: -920.7MB). Peak memory consumption was 304.7MB. Max. memory is 16.1GB. [2022-11-20 10:31:55,338 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 119.5MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:31:55,339 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.10ms. Allocated memory is still 159.4MB. Free memory was 131.1MB in the beginning and 117.2MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 10:31:55,339 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.73ms. Allocated memory is still 159.4MB. Free memory was 117.2MB in the beginning and 113.7MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 10:31:55,339 INFO L158 Benchmark]: Boogie Preprocessor took 53.73ms. Allocated memory is still 159.4MB. Free memory was 113.7MB in the beginning and 110.1MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 10:31:55,344 INFO L158 Benchmark]: RCFGBuilder took 1891.52ms. Allocated memory is still 159.4MB. Free memory was 110.1MB in the beginning and 67.3MB in the end (delta: 42.9MB). Peak memory consumption was 78.3MB. Max. memory is 16.1GB. [2022-11-20 10:31:55,344 INFO L158 Benchmark]: TraceAbstraction took 24404.78ms. Allocated memory was 159.4MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 67.3MB in the beginning and 1.1GB in the end (delta: -989.8MB). Peak memory consumption was 616.4MB. Max. memory is 16.1GB. [2022-11-20 10:31:55,345 INFO L158 Benchmark]: Witness Printer took 112.76ms. Allocated memory is still 1.4GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 10:31:55,347 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 119.5MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 319.10ms. Allocated memory is still 159.4MB. Free memory was 131.1MB in the beginning and 117.2MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.73ms. Allocated memory is still 159.4MB. Free memory was 117.2MB in the beginning and 113.7MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.73ms. Allocated memory is still 159.4MB. Free memory was 113.7MB in the beginning and 110.1MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1891.52ms. Allocated memory is still 159.4MB. Free memory was 110.1MB in the beginning and 67.3MB in the end (delta: 42.9MB). Peak memory consumption was 78.3MB. Max. memory is 16.1GB. * TraceAbstraction took 24404.78ms. Allocated memory was 159.4MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 67.3MB in the beginning and 1.1GB in the end (delta: -989.8MB). Peak memory consumption was 616.4MB. Max. memory is 16.1GB. * Witness Printer took 112.76ms. Allocated memory is still 1.4GB. Free memory was 1.1GB in the beginning and 1.1GB 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: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: 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: 62]: 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: 62]: 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: 62]: 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: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: 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: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: 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: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: 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: 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: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 146]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 146]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 124]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 130]: 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: 134]: 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: 134]: 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: 134]: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 600 locations, 155 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: 24.1s, OverallIterations: 33, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 18.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 187 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 187 mSDsluCounter, 304 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 130 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1287 IncrementalHoareTripleChecker+Invalid, 1417 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 130 mSolverCounterUnsat, 304 mSDtfsCounter, 1287 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=896occurred in iteration=0, InterpolantAutomatonStates: 111, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 4547 NumberOfCodeBlocks, 4547 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 4514 ConstructedInterpolants, 0 QuantifiedInterpolants, 4930 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 33 InterpolantComputations, 33 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 89 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-20 10:31:55,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725042a7-67ce-4264-a043-bf8546b97ddb/bin/uautomizer-ug76WZFUDN/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