./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/bench-exp2x6.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b5237d83 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_9d9217b5-f39f-46e9-8b4e-51964695b527/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9217b5-f39f-46e9-8b4e-51964695b527/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9217b5-f39f-46e9-8b4e-51964695b527/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9217b5-f39f-46e9-8b4e-51964695b527/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/bench-exp2x6.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9217b5-f39f-46e9-8b4e-51964695b527/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9217b5-f39f-46e9-8b4e-51964695b527/bin/uautomizer-vX5HgA9Q3a --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 19006bb1633253053764e43b8bfff1653449498b05ea53714e3311a41e35d730 --- 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-b5237d8 [2022-11-21 09:11:55,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 09:11:55,985 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 09:11:56,021 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 09:11:56,022 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 09:11:56,023 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 09:11:56,024 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 09:11:56,026 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 09:11:56,028 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 09:11:56,030 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 09:11:56,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 09:11:56,034 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 09:11:56,036 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 09:11:56,039 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 09:11:56,041 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 09:11:56,043 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 09:11:56,045 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 09:11:56,051 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 09:11:56,053 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 09:11:56,055 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 09:11:56,060 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 09:11:56,061 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 09:11:56,062 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 09:11:56,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 09:11:56,067 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 09:11:56,067 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 09:11:56,068 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 09:11:56,069 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 09:11:56,069 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 09:11:56,070 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 09:11:56,070 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 09:11:56,071 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 09:11:56,072 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 09:11:56,073 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 09:11:56,074 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 09:11:56,074 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 09:11:56,075 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 09:11:56,075 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 09:11:56,076 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 09:11:56,077 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 09:11:56,085 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 09:11:56,087 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9217b5-f39f-46e9-8b4e-51964695b527/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-21 09:11:56,116 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 09:11:56,117 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 09:11:56,117 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 09:11:56,118 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 09:11:56,118 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 09:11:56,119 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 09:11:56,119 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 09:11:56,120 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 09:11:56,120 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 09:11:56,120 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 09:11:56,121 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 09:11:56,122 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 09:11:56,122 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 09:11:56,122 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 09:11:56,122 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 09:11:56,123 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 09:11:56,123 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 09:11:56,123 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 09:11:56,123 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-21 09:11:56,124 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 09:11:56,124 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 09:11:56,124 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 09:11:56,124 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 09:11:56,125 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 09:11:56,125 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 09:11:56,125 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 09:11:56,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 09:11:56,126 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 09:11:56,126 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 09:11:56,126 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 09:11:56,127 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 09:11:56,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 09:11:56,127 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 09:11:56,128 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 09:11:56,128 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 09:11:56,128 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_9d9217b5-f39f-46e9-8b4e-51964695b527/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9217b5-f39f-46e9-8b4e-51964695b527/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19006bb1633253053764e43b8bfff1653449498b05ea53714e3311a41e35d730 [2022-11-21 09:11:56,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 09:11:56,424 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 09:11:56,427 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 09:11:56,429 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 09:11:56,429 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 09:11:56,431 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9217b5-f39f-46e9-8b4e-51964695b527/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/weaver/bench-exp2x6.wvr.c [2022-11-21 09:11:59,530 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 09:11:59,802 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 09:11:59,802 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9217b5-f39f-46e9-8b4e-51964695b527/sv-benchmarks/c/weaver/bench-exp2x6.wvr.c [2022-11-21 09:11:59,815 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9217b5-f39f-46e9-8b4e-51964695b527/bin/uautomizer-vX5HgA9Q3a/data/bbbe6be22/a4ca8d1e52a4492ebacf068b2ae66703/FLAGf410da984 [2022-11-21 09:12:00,116 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9217b5-f39f-46e9-8b4e-51964695b527/bin/uautomizer-vX5HgA9Q3a/data/bbbe6be22/a4ca8d1e52a4492ebacf068b2ae66703 [2022-11-21 09:12:00,119 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 09:12:00,120 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 09:12:00,122 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 09:12:00,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 09:12:00,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 09:12:00,126 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:12:00" (1/1) ... [2022-11-21 09:12:00,128 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78aff18f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:12:00, skipping insertion in model container [2022-11-21 09:12:00,128 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:12:00" (1/1) ... [2022-11-21 09:12:00,136 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 09:12:00,153 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 09:12:00,325 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_9d9217b5-f39f-46e9-8b4e-51964695b527/sv-benchmarks/c/weaver/bench-exp2x6.wvr.c[2453,2466] [2022-11-21 09:12:00,327 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 09:12:00,339 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 09:12:00,376 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_9d9217b5-f39f-46e9-8b4e-51964695b527/sv-benchmarks/c/weaver/bench-exp2x6.wvr.c[2453,2466] [2022-11-21 09:12:00,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 09:12:00,392 INFO L208 MainTranslator]: Completed translation [2022-11-21 09:12:00,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:12:00 WrapperNode [2022-11-21 09:12:00,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 09:12:00,393 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 09:12:00,393 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 09:12:00,394 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 09:12:00,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:12:00" (1/1) ... [2022-11-21 09:12:00,412 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:12:00" (1/1) ... [2022-11-21 09:12:00,453 INFO L138 Inliner]: procedures = 20, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 167 [2022-11-21 09:12:00,453 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 09:12:00,454 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 09:12:00,454 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 09:12:00,454 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 09:12:00,463 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:12:00" (1/1) ... [2022-11-21 09:12:00,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:12:00" (1/1) ... [2022-11-21 09:12:00,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:12:00" (1/1) ... [2022-11-21 09:12:00,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:12:00" (1/1) ... [2022-11-21 09:12:00,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:12:00" (1/1) ... [2022-11-21 09:12:00,483 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:12:00" (1/1) ... [2022-11-21 09:12:00,485 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:12:00" (1/1) ... [2022-11-21 09:12:00,487 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:12:00" (1/1) ... [2022-11-21 09:12:00,490 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 09:12:00,491 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 09:12:00,491 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 09:12:00,492 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 09:12:00,493 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:12:00" (1/1) ... [2022-11-21 09:12:00,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 09:12:00,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9217b5-f39f-46e9-8b4e-51964695b527/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:12:00,529 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9217b5-f39f-46e9-8b4e-51964695b527/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 09:12:00,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9217b5-f39f-46e9-8b4e-51964695b527/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 09:12:00,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 09:12:00,598 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-21 09:12:00,599 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-21 09:12:00,599 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-21 09:12:00,599 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-21 09:12:00,599 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-21 09:12:00,599 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-21 09:12:00,599 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-21 09:12:00,599 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-21 09:12:00,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 09:12:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 09:12:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 09:12:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 09:12:00,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 09:12:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 09:12:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 09:12:00,602 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 09:12:00,719 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 09:12:00,722 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 09:12:01,547 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 09:12:01,560 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 09:12:01,560 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-21 09:12:01,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:12:01 BoogieIcfgContainer [2022-11-21 09:12:01,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 09:12:01,573 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 09:12:01,573 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 09:12:01,577 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 09:12:01,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:12:00" (1/3) ... [2022-11-21 09:12:01,578 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@681325c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:12:01, skipping insertion in model container [2022-11-21 09:12:01,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:12:00" (2/3) ... [2022-11-21 09:12:01,578 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@681325c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:12:01, skipping insertion in model container [2022-11-21 09:12:01,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:12:01" (3/3) ... [2022-11-21 09:12:01,580 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp2x6.wvr.c [2022-11-21 09:12:01,589 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-21 09:12:01,599 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 09:12:01,599 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 75 error locations. [2022-11-21 09:12:01,599 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-21 09:12:01,867 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-11-21 09:12:01,924 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 434 places, 435 transitions, 902 flow [2022-11-21 09:12:02,127 INFO L130 PetriNetUnfolder]: 14/431 cut-off events. [2022-11-21 09:12:02,127 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-21 09:12:02,141 INFO L83 FinitePrefix]: Finished finitePrefix Result has 448 conditions, 431 events. 14/431 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1156 event pairs, 0 based on Foata normal form. 0/342 useless extension candidates. Maximal degree in co-relation 301. Up to 2 conditions per place. [2022-11-21 09:12:02,141 INFO L82 GeneralOperation]: Start removeDead. Operand has 434 places, 435 transitions, 902 flow [2022-11-21 09:12:02,153 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 407 places, 406 transitions, 836 flow [2022-11-21 09:12:02,164 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 09:12:02,171 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;@48bf3d07, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 09:12:02,172 INFO L358 AbstractCegarLoop]: Starting to check reachability of 135 error locations. [2022-11-21 09:12:02,176 INFO L130 PetriNetUnfolder]: 0/24 cut-off events. [2022-11-21 09:12:02,177 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 09:12:02,177 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:12:02,178 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] [2022-11-21 09:12:02,178 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-21 09:12:02,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:12:02,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1093460191, now seen corresponding path program 1 times [2022-11-21 09:12:02,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:12:02,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045561341] [2022-11-21 09:12:02,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:12:02,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:12:02,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:12:02,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:12:02,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:12:02,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045561341] [2022-11-21 09:12:02,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045561341] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:12:02,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:12:02,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:12:02,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240586540] [2022-11-21 09:12:02,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:12:02,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:12:02,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:12:02,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:12:02,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:12:02,486 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 366 out of 435 [2022-11-21 09:12:02,495 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 407 places, 406 transitions, 836 flow. Second operand has 3 states, 3 states have (on average 367.3333333333333) internal successors, (1102), 3 states have internal predecessors, (1102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:02,495 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:12:02,495 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 366 of 435 [2022-11-21 09:12:02,496 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:12:02,967 INFO L130 PetriNetUnfolder]: 127/691 cut-off events. [2022-11-21 09:12:02,968 INFO L131 PetriNetUnfolder]: For 140/147 co-relation queries the response was YES. [2022-11-21 09:12:02,986 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1238 conditions, 691 events. 127/691 cut-off events. For 140/147 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 3881 event pairs, 117 based on Foata normal form. 247/803 useless extension candidates. Maximal degree in co-relation 1066. Up to 294 conditions per place. [2022-11-21 09:12:03,002 INFO L137 encePairwiseOnDemand]: 427/435 looper letters, 59 selfloop transitions, 2 changer transitions 1/400 dead transitions. [2022-11-21 09:12:03,002 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 408 places, 400 transitions, 946 flow [2022-11-21 09:12:03,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:12:03,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:12:03,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1165 transitions. [2022-11-21 09:12:03,028 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.89272030651341 [2022-11-21 09:12:03,029 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1165 transitions. [2022-11-21 09:12:03,030 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1165 transitions. [2022-11-21 09:12:03,034 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:12:03,037 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1165 transitions. [2022-11-21 09:12:03,044 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 388.3333333333333) internal successors, (1165), 3 states have internal predecessors, (1165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:03,054 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:03,056 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:03,058 INFO L175 Difference]: Start difference. First operand has 407 places, 406 transitions, 836 flow. Second operand 3 states and 1165 transitions. [2022-11-21 09:12:03,059 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 408 places, 400 transitions, 946 flow [2022-11-21 09:12:03,069 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 400 transitions, 930 flow, removed 0 selfloop flow, removed 8 redundant places. [2022-11-21 09:12:03,085 INFO L231 Difference]: Finished difference. Result has 400 places, 399 transitions, 810 flow [2022-11-21 09:12:03,088 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=808, PETRI_DIFFERENCE_MINUEND_PLACES=398, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=400, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=398, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=810, PETRI_PLACES=400, PETRI_TRANSITIONS=399} [2022-11-21 09:12:03,094 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -7 predicate places. [2022-11-21 09:12:03,095 INFO L495 AbstractCegarLoop]: Abstraction has has 400 places, 399 transitions, 810 flow [2022-11-21 09:12:03,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 367.3333333333333) internal successors, (1102), 3 states have internal predecessors, (1102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:03,096 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:12:03,097 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] [2022-11-21 09:12:03,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 09:12:03,098 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-21 09:12:03,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:12:03,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1895617542, now seen corresponding path program 1 times [2022-11-21 09:12:03,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:12:03,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461210389] [2022-11-21 09:12:03,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:12:03,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:12:03,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:12:03,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:12:03,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:12:03,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461210389] [2022-11-21 09:12:03,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461210389] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:12:03,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:12:03,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:12:03,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432886021] [2022-11-21 09:12:03,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:12:03,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:12:03,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:12:03,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:12:03,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:12:03,247 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 435 [2022-11-21 09:12:03,249 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 399 transitions, 810 flow. Second operand has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:03,249 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:12:03,249 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 435 [2022-11-21 09:12:03,249 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:12:03,634 INFO L130 PetriNetUnfolder]: 127/689 cut-off events. [2022-11-21 09:12:03,634 INFO L131 PetriNetUnfolder]: For 43/49 co-relation queries the response was YES. [2022-11-21 09:12:03,653 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1068 conditions, 689 events. 127/689 cut-off events. For 43/49 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 4217 event pairs, 117 based on Foata normal form. 0/552 useless extension candidates. Maximal degree in co-relation 1035. Up to 291 conditions per place. [2022-11-21 09:12:03,675 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 56 selfloop transitions, 2 changer transitions 0/398 dead transitions. [2022-11-21 09:12:03,675 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 400 places, 398 transitions, 924 flow [2022-11-21 09:12:03,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:12:03,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:12:03,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1166 transitions. [2022-11-21 09:12:03,679 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8934865900383142 [2022-11-21 09:12:03,679 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1166 transitions. [2022-11-21 09:12:03,679 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1166 transitions. [2022-11-21 09:12:03,680 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:12:03,681 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1166 transitions. [2022-11-21 09:12:03,684 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 388.6666666666667) internal successors, (1166), 3 states have internal predecessors, (1166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:03,687 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:03,688 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:03,689 INFO L175 Difference]: Start difference. First operand has 400 places, 399 transitions, 810 flow. Second operand 3 states and 1166 transitions. [2022-11-21 09:12:03,689 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 400 places, 398 transitions, 924 flow [2022-11-21 09:12:03,692 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 398 places, 398 transitions, 920 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:12:03,698 INFO L231 Difference]: Finished difference. Result has 398 places, 398 transitions, 808 flow [2022-11-21 09:12:03,700 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=804, PETRI_DIFFERENCE_MINUEND_PLACES=396, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=808, PETRI_PLACES=398, PETRI_TRANSITIONS=398} [2022-11-21 09:12:03,701 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -9 predicate places. [2022-11-21 09:12:03,701 INFO L495 AbstractCegarLoop]: Abstraction has has 398 places, 398 transitions, 808 flow [2022-11-21 09:12:03,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:03,703 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:12:03,703 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] [2022-11-21 09:12:03,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 09:12:03,703 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-21 09:12:03,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:12:03,705 INFO L85 PathProgramCache]: Analyzing trace with hash 455979650, now seen corresponding path program 1 times [2022-11-21 09:12:03,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:12:03,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132666929] [2022-11-21 09:12:03,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:12:03,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:12:03,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:12:03,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:12:03,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:12:03,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132666929] [2022-11-21 09:12:03,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132666929] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:12:03,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:12:03,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:12:03,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55583376] [2022-11-21 09:12:03,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:12:03,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:12:03,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:12:03,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:12:03,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:12:03,796 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 366 out of 435 [2022-11-21 09:12:03,798 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 398 places, 398 transitions, 808 flow. Second operand has 3 states, 3 states have (on average 367.3333333333333) internal successors, (1102), 3 states have internal predecessors, (1102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:03,798 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:12:03,798 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 366 of 435 [2022-11-21 09:12:03,799 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:12:04,116 INFO L130 PetriNetUnfolder]: 127/688 cut-off events. [2022-11-21 09:12:04,116 INFO L131 PetriNetUnfolder]: For 82/88 co-relation queries the response was YES. [2022-11-21 09:12:04,132 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1031 conditions, 688 events. 127/688 cut-off events. For 82/88 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 4349 event pairs, 117 based on Foata normal form. 0/549 useless extension candidates. Maximal degree in co-relation 992. Up to 294 conditions per place. [2022-11-21 09:12:04,147 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 59 selfloop transitions, 2 changer transitions 0/397 dead transitions. [2022-11-21 09:12:04,147 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 399 places, 397 transitions, 928 flow [2022-11-21 09:12:04,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:12:04,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:12:04,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1160 transitions. [2022-11-21 09:12:04,151 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2022-11-21 09:12:04,151 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1160 transitions. [2022-11-21 09:12:04,151 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1160 transitions. [2022-11-21 09:12:04,152 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:12:04,152 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1160 transitions. [2022-11-21 09:12:04,155 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 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) [2022-11-21 09:12:04,158 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:04,160 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:04,160 INFO L175 Difference]: Start difference. First operand has 398 places, 398 transitions, 808 flow. Second operand 3 states and 1160 transitions. [2022-11-21 09:12:04,160 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 399 places, 397 transitions, 928 flow [2022-11-21 09:12:04,163 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 397 places, 397 transitions, 924 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:12:04,169 INFO L231 Difference]: Finished difference. Result has 397 places, 397 transitions, 806 flow [2022-11-21 09:12:04,169 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=802, PETRI_DIFFERENCE_MINUEND_PLACES=395, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=397, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=395, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=806, PETRI_PLACES=397, PETRI_TRANSITIONS=397} [2022-11-21 09:12:04,170 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -10 predicate places. [2022-11-21 09:12:04,171 INFO L495 AbstractCegarLoop]: Abstraction has has 397 places, 397 transitions, 806 flow [2022-11-21 09:12:04,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 367.3333333333333) internal successors, (1102), 3 states have internal predecessors, (1102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:04,172 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:12:04,172 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] [2022-11-21 09:12:04,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 09:12:04,172 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-21 09:12:04,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:12:04,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1419194383, now seen corresponding path program 1 times [2022-11-21 09:12:04,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:12:04,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363550772] [2022-11-21 09:12:04,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:12:04,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:12:04,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:12:04,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:12:04,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:12:04,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363550772] [2022-11-21 09:12:04,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363550772] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:12:04,231 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:12:04,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:12:04,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372897497] [2022-11-21 09:12:04,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:12:04,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:12:04,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:12:04,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:12:04,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:12:04,234 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 435 [2022-11-21 09:12:04,236 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 397 places, 397 transitions, 806 flow. Second operand has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:04,236 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:12:04,236 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 435 [2022-11-21 09:12:04,237 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:12:04,559 INFO L130 PetriNetUnfolder]: 127/687 cut-off events. [2022-11-21 09:12:04,559 INFO L131 PetriNetUnfolder]: For 121/127 co-relation queries the response was YES. [2022-11-21 09:12:04,571 INFO L83 FinitePrefix]: Finished finitePrefix Result has 987 conditions, 687 events. 127/687 cut-off events. For 121/127 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 4421 event pairs, 117 based on Foata normal form. 0/547 useless extension candidates. Maximal degree in co-relation 942. Up to 290 conditions per place. [2022-11-21 09:12:04,581 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 55 selfloop transitions, 2 changer transitions 0/396 dead transitions. [2022-11-21 09:12:04,581 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 398 places, 396 transitions, 918 flow [2022-11-21 09:12:04,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:12:04,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:12:04,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1165 transitions. [2022-11-21 09:12:04,585 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.89272030651341 [2022-11-21 09:12:04,586 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1165 transitions. [2022-11-21 09:12:04,589 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1165 transitions. [2022-11-21 09:12:04,591 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:12:04,591 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1165 transitions. [2022-11-21 09:12:04,594 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 388.3333333333333) internal successors, (1165), 3 states have internal predecessors, (1165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:04,597 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:04,598 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:04,600 INFO L175 Difference]: Start difference. First operand has 397 places, 397 transitions, 806 flow. Second operand 3 states and 1165 transitions. [2022-11-21 09:12:04,600 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 398 places, 396 transitions, 918 flow [2022-11-21 09:12:04,603 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 396 places, 396 transitions, 914 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:12:04,613 INFO L231 Difference]: Finished difference. Result has 396 places, 396 transitions, 804 flow [2022-11-21 09:12:04,613 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=800, PETRI_DIFFERENCE_MINUEND_PLACES=394, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=396, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=804, PETRI_PLACES=396, PETRI_TRANSITIONS=396} [2022-11-21 09:12:04,615 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -11 predicate places. [2022-11-21 09:12:04,615 INFO L495 AbstractCegarLoop]: Abstraction has has 396 places, 396 transitions, 804 flow [2022-11-21 09:12:04,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:04,616 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:12:04,617 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] [2022-11-21 09:12:04,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 09:12:04,617 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-21 09:12:04,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:12:04,618 INFO L85 PathProgramCache]: Analyzing trace with hash -356961118, now seen corresponding path program 1 times [2022-11-21 09:12:04,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:12:04,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216238686] [2022-11-21 09:12:04,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:12:04,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:12:04,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:12:04,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:12:04,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:12:04,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216238686] [2022-11-21 09:12:04,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216238686] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:12:04,711 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:12:04,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:12:04,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879144775] [2022-11-21 09:12:04,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:12:04,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:12:04,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:12:04,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:12:04,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:12:04,716 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 435 [2022-11-21 09:12:04,718 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 396 places, 396 transitions, 804 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:04,718 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:12:04,718 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 435 [2022-11-21 09:12:04,718 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:12:07,185 INFO L130 PetriNetUnfolder]: 1030/10415 cut-off events. [2022-11-21 09:12:07,185 INFO L131 PetriNetUnfolder]: For 85/193 co-relation queries the response was YES. [2022-11-21 09:12:07,318 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11790 conditions, 10415 events. 1030/10415 cut-off events. For 85/193 co-relation queries the response was YES. Maximal size of possible extension queue 301. Compared 132330 event pairs, 855 based on Foata normal form. 0/7754 useless extension candidates. Maximal degree in co-relation 11739. Up to 1284 conditions per place. [2022-11-21 09:12:07,411 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 23 selfloop transitions, 2 changer transitions 0/395 dead transitions. [2022-11-21 09:12:07,411 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 397 places, 395 transitions, 852 flow [2022-11-21 09:12:07,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:12:07,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:12:07,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1232 transitions. [2022-11-21 09:12:07,415 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9440613026819923 [2022-11-21 09:12:07,415 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1232 transitions. [2022-11-21 09:12:07,415 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1232 transitions. [2022-11-21 09:12:07,416 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:12:07,416 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1232 transitions. [2022-11-21 09:12:07,419 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 410.6666666666667) internal successors, (1232), 3 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:07,422 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:07,424 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:07,424 INFO L175 Difference]: Start difference. First operand has 396 places, 396 transitions, 804 flow. Second operand 3 states and 1232 transitions. [2022-11-21 09:12:07,424 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 397 places, 395 transitions, 852 flow [2022-11-21 09:12:07,427 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 395 places, 395 transitions, 848 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:12:07,432 INFO L231 Difference]: Finished difference. Result has 395 places, 395 transitions, 802 flow [2022-11-21 09:12:07,433 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=798, PETRI_DIFFERENCE_MINUEND_PLACES=393, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=395, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=393, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=802, PETRI_PLACES=395, PETRI_TRANSITIONS=395} [2022-11-21 09:12:07,434 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -12 predicate places. [2022-11-21 09:12:07,434 INFO L495 AbstractCegarLoop]: Abstraction has has 395 places, 395 transitions, 802 flow [2022-11-21 09:12:07,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:07,436 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:12:07,436 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] [2022-11-21 09:12:07,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 09:12:07,436 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-21 09:12:07,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:12:07,437 INFO L85 PathProgramCache]: Analyzing trace with hash -851483623, now seen corresponding path program 1 times [2022-11-21 09:12:07,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:12:07,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948707687] [2022-11-21 09:12:07,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:12:07,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:12:07,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:12:07,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:12:07,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:12:07,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948707687] [2022-11-21 09:12:07,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948707687] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:12:07,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:12:07,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:12:07,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572592359] [2022-11-21 09:12:07,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:12:07,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:12:07,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:12:07,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:12:07,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:12:07,484 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 435 [2022-11-21 09:12:07,486 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 395 transitions, 802 flow. Second operand has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:07,486 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:12:07,487 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 435 [2022-11-21 09:12:07,487 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:12:07,771 INFO L130 PetriNetUnfolder]: 100/624 cut-off events. [2022-11-21 09:12:07,771 INFO L131 PetriNetUnfolder]: For 4/9 co-relation queries the response was YES. [2022-11-21 09:12:07,779 INFO L83 FinitePrefix]: Finished finitePrefix Result has 953 conditions, 624 events. 100/624 cut-off events. For 4/9 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 3363 event pairs, 54 based on Foata normal form. 0/536 useless extension candidates. Maximal degree in co-relation 895. Up to 144 conditions per place. [2022-11-21 09:12:07,786 INFO L137 encePairwiseOnDemand]: 414/435 looper letters, 41 selfloop transitions, 9 changer transitions 0/387 dead transitions. [2022-11-21 09:12:07,787 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 387 transitions, 889 flow [2022-11-21 09:12:07,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:12:07,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:12:07,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1169 transitions. [2022-11-21 09:12:07,790 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8957854406130268 [2022-11-21 09:12:07,791 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1169 transitions. [2022-11-21 09:12:07,791 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1169 transitions. [2022-11-21 09:12:07,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:12:07,792 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1169 transitions. [2022-11-21 09:12:07,795 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 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) [2022-11-21 09:12:07,798 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:07,800 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:07,800 INFO L175 Difference]: Start difference. First operand has 395 places, 395 transitions, 802 flow. Second operand 3 states and 1169 transitions. [2022-11-21 09:12:07,800 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 387 transitions, 889 flow [2022-11-21 09:12:07,803 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 387 transitions, 885 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:12:07,809 INFO L231 Difference]: Finished difference. Result has 384 places, 384 transitions, 805 flow [2022-11-21 09:12:07,810 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=774, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=374, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=805, PETRI_PLACES=384, PETRI_TRANSITIONS=384} [2022-11-21 09:12:07,811 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -23 predicate places. [2022-11-21 09:12:07,811 INFO L495 AbstractCegarLoop]: Abstraction has has 384 places, 384 transitions, 805 flow [2022-11-21 09:12:07,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:07,812 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:12:07,813 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] [2022-11-21 09:12:07,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 09:12:07,813 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-21 09:12:07,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:12:07,814 INFO L85 PathProgramCache]: Analyzing trace with hash 2063019880, now seen corresponding path program 1 times [2022-11-21 09:12:07,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:12:07,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421995530] [2022-11-21 09:12:07,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:12:07,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:12:07,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:12:07,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:12:07,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:12:07,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421995530] [2022-11-21 09:12:07,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421995530] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:12:07,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:12:07,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:12:07,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461172393] [2022-11-21 09:12:07,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:12:07,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:12:07,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:12:07,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:12:07,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:12:07,865 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 372 out of 435 [2022-11-21 09:12:07,866 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 384 transitions, 805 flow. Second operand has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:07,867 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:12:07,867 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 372 of 435 [2022-11-21 09:12:07,867 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:12:08,110 INFO L130 PetriNetUnfolder]: 100/614 cut-off events. [2022-11-21 09:12:08,110 INFO L131 PetriNetUnfolder]: For 38/42 co-relation queries the response was YES. [2022-11-21 09:12:08,123 INFO L83 FinitePrefix]: Finished finitePrefix Result has 924 conditions, 614 events. 100/614 cut-off events. For 38/42 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 3429 event pairs, 54 based on Foata normal form. 0/534 useless extension candidates. Maximal degree in co-relation 818. Up to 142 conditions per place. [2022-11-21 09:12:08,131 INFO L137 encePairwiseOnDemand]: 415/435 looper letters, 39 selfloop transitions, 9 changer transitions 0/377 dead transitions. [2022-11-21 09:12:08,131 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 377 transitions, 890 flow [2022-11-21 09:12:08,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:12:08,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:12:08,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1175 transitions. [2022-11-21 09:12:08,135 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9003831417624522 [2022-11-21 09:12:08,135 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1175 transitions. [2022-11-21 09:12:08,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1175 transitions. [2022-11-21 09:12:08,136 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:12:08,136 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1175 transitions. [2022-11-21 09:12:08,139 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) [2022-11-21 09:12:08,142 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:08,143 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:08,143 INFO L175 Difference]: Start difference. First operand has 384 places, 384 transitions, 805 flow. Second operand 3 states and 1175 transitions. [2022-11-21 09:12:08,143 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 377 transitions, 890 flow [2022-11-21 09:12:08,146 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 377 transitions, 881 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 09:12:08,151 INFO L231 Difference]: Finished difference. Result has 375 places, 374 transitions, 805 flow [2022-11-21 09:12:08,152 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=774, PETRI_DIFFERENCE_MINUEND_PLACES=372, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=373, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=364, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=805, PETRI_PLACES=375, PETRI_TRANSITIONS=374} [2022-11-21 09:12:08,153 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -32 predicate places. [2022-11-21 09:12:08,153 INFO L495 AbstractCegarLoop]: Abstraction has has 375 places, 374 transitions, 805 flow [2022-11-21 09:12:08,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:08,154 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:12:08,154 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] [2022-11-21 09:12:08,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 09:12:08,155 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-21 09:12:08,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:12:08,155 INFO L85 PathProgramCache]: Analyzing trace with hash -1342748087, now seen corresponding path program 1 times [2022-11-21 09:12:08,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:12:08,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942334176] [2022-11-21 09:12:08,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:12:08,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:12:08,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:12:08,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:12:08,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:12:08,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942334176] [2022-11-21 09:12:08,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942334176] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:12:08,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:12:08,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:12:08,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487163525] [2022-11-21 09:12:08,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:12:08,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:12:08,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:12:08,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:12:08,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:12:08,203 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 435 [2022-11-21 09:12:08,204 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 374 transitions, 805 flow. Second operand has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:08,205 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:12:08,205 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 435 [2022-11-21 09:12:08,205 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:12:08,612 INFO L130 PetriNetUnfolder]: 107/823 cut-off events. [2022-11-21 09:12:08,612 INFO L131 PetriNetUnfolder]: For 74/78 co-relation queries the response was YES. [2022-11-21 09:12:08,629 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1149 conditions, 823 events. 107/823 cut-off events. For 74/78 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 5218 event pairs, 36 based on Foata normal form. 1/726 useless extension candidates. Maximal degree in co-relation 992. Up to 145 conditions per place. [2022-11-21 09:12:08,640 INFO L137 encePairwiseOnDemand]: 413/435 looper letters, 44 selfloop transitions, 10 changer transitions 0/370 dead transitions. [2022-11-21 09:12:08,641 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 365 places, 370 transitions, 911 flow [2022-11-21 09:12:08,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:12:08,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:12:08,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1173 transitions. [2022-11-21 09:12:08,645 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8988505747126436 [2022-11-21 09:12:08,645 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1173 transitions. [2022-11-21 09:12:08,645 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1173 transitions. [2022-11-21 09:12:08,646 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:12:08,646 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1173 transitions. [2022-11-21 09:12:08,649 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 391.0) internal successors, (1173), 3 states have internal predecessors, (1173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:08,653 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:08,654 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:08,654 INFO L175 Difference]: Start difference. First operand has 375 places, 374 transitions, 805 flow. Second operand 3 states and 1173 transitions. [2022-11-21 09:12:08,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 365 places, 370 transitions, 911 flow [2022-11-21 09:12:08,660 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 364 places, 370 transitions, 902 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 09:12:08,666 INFO L231 Difference]: Finished difference. Result has 365 places, 364 transitions, 810 flow [2022-11-21 09:12:08,667 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=772, PETRI_DIFFERENCE_MINUEND_PLACES=362, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=362, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=352, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=810, PETRI_PLACES=365, PETRI_TRANSITIONS=364} [2022-11-21 09:12:08,672 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -42 predicate places. [2022-11-21 09:12:08,672 INFO L495 AbstractCegarLoop]: Abstraction has has 365 places, 364 transitions, 810 flow [2022-11-21 09:12:08,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:08,673 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:12:08,673 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] [2022-11-21 09:12:08,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 09:12:08,673 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-21 09:12:08,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:12:08,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1890699172, now seen corresponding path program 1 times [2022-11-21 09:12:08,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:12:08,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744554360] [2022-11-21 09:12:08,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:12:08,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:12:08,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:12:08,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:12:08,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:12:08,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744554360] [2022-11-21 09:12:08,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744554360] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:12:08,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:12:08,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 09:12:08,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072621126] [2022-11-21 09:12:08,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:12:08,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 09:12:08,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:12:08,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 09:12:08,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 09:12:08,822 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 435 [2022-11-21 09:12:08,829 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 365 places, 364 transitions, 810 flow. Second operand has 4 states, 4 states have (on average 409.25) internal successors, (1637), 4 states have internal predecessors, (1637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:08,829 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:12:08,830 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 435 [2022-11-21 09:12:08,830 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:12:09,082 INFO L130 PetriNetUnfolder]: 12/615 cut-off events. [2022-11-21 09:12:09,082 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2022-11-21 09:12:09,091 INFO L83 FinitePrefix]: Finished finitePrefix Result has 722 conditions, 615 events. 12/615 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2634 event pairs, 0 based on Foata normal form. 0/542 useless extension candidates. Maximal degree in co-relation 499. Up to 27 conditions per place. [2022-11-21 09:12:09,095 INFO L137 encePairwiseOnDemand]: 429/435 looper letters, 22 selfloop transitions, 5 changer transitions 0/371 dead transitions. [2022-11-21 09:12:09,096 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 371 transitions, 878 flow [2022-11-21 09:12:09,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 09:12:09,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-21 09:12:09,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2068 transitions. [2022-11-21 09:12:09,102 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9508045977011494 [2022-11-21 09:12:09,102 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2068 transitions. [2022-11-21 09:12:09,103 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2068 transitions. [2022-11-21 09:12:09,104 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:12:09,105 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2068 transitions. [2022-11-21 09:12:09,110 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 413.6) internal successors, (2068), 5 states have internal predecessors, (2068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:09,117 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 435.0) internal successors, (2610), 6 states have internal predecessors, (2610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:09,129 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 435.0) internal successors, (2610), 6 states have internal predecessors, (2610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:09,129 INFO L175 Difference]: Start difference. First operand has 365 places, 364 transitions, 810 flow. Second operand 5 states and 2068 transitions. [2022-11-21 09:12:09,130 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 369 places, 371 transitions, 878 flow [2022-11-21 09:12:09,134 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 371 transitions, 868 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 09:12:09,141 INFO L231 Difference]: Finished difference. Result has 372 places, 368 transitions, 838 flow [2022-11-21 09:12:09,142 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=800, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=364, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=359, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=838, PETRI_PLACES=372, PETRI_TRANSITIONS=368} [2022-11-21 09:12:09,144 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -35 predicate places. [2022-11-21 09:12:09,145 INFO L495 AbstractCegarLoop]: Abstraction has has 372 places, 368 transitions, 838 flow [2022-11-21 09:12:09,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 409.25) internal successors, (1637), 4 states have internal predecessors, (1637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:09,148 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:12:09,148 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] [2022-11-21 09:12:09,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-21 09:12:09,149 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-21 09:12:09,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:12:09,150 INFO L85 PathProgramCache]: Analyzing trace with hash -15246507, now seen corresponding path program 1 times [2022-11-21 09:12:09,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:12:09,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232904661] [2022-11-21 09:12:09,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:12:09,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:12:09,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:12:09,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:12:09,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:12:09,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232904661] [2022-11-21 09:12:09,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232904661] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:12:09,251 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:12:09,251 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:12:09,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601379077] [2022-11-21 09:12:09,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:12:09,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:12:09,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:12:09,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:12:09,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:12:09,257 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 372 out of 435 [2022-11-21 09:12:09,259 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 368 transitions, 838 flow. Second operand has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:09,259 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:12:09,260 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 372 of 435 [2022-11-21 09:12:09,260 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:12:09,774 INFO L130 PetriNetUnfolder]: 173/1405 cut-off events. [2022-11-21 09:12:09,774 INFO L131 PetriNetUnfolder]: For 163/167 co-relation queries the response was YES. [2022-11-21 09:12:09,790 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1915 conditions, 1405 events. 173/1405 cut-off events. For 163/167 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 10385 event pairs, 82 based on Foata normal form. 1/1247 useless extension candidates. Maximal degree in co-relation 1526. Up to 231 conditions per place. [2022-11-21 09:12:09,797 INFO L137 encePairwiseOnDemand]: 415/435 looper letters, 40 selfloop transitions, 9 changer transitions 11/365 dead transitions. [2022-11-21 09:12:09,798 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 363 places, 365 transitions, 941 flow [2022-11-21 09:12:09,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:12:09,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:12:09,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1178 transitions. [2022-11-21 09:12:09,801 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9026819923371647 [2022-11-21 09:12:09,801 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1178 transitions. [2022-11-21 09:12:09,801 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1178 transitions. [2022-11-21 09:12:09,802 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:12:09,802 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1178 transitions. [2022-11-21 09:12:09,804 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 392.6666666666667) internal successors, (1178), 3 states have internal predecessors, (1178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:09,807 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:09,808 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:09,808 INFO L175 Difference]: Start difference. First operand has 372 places, 368 transitions, 838 flow. Second operand 3 states and 1178 transitions. [2022-11-21 09:12:09,808 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 363 places, 365 transitions, 941 flow [2022-11-21 09:12:09,811 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 363 places, 365 transitions, 941 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-21 09:12:09,816 INFO L231 Difference]: Finished difference. Result has 364 places, 347 transitions, 824 flow [2022-11-21 09:12:09,816 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=816, PETRI_DIFFERENCE_MINUEND_PLACES=361, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=824, PETRI_PLACES=364, PETRI_TRANSITIONS=347} [2022-11-21 09:12:09,817 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -43 predicate places. [2022-11-21 09:12:09,817 INFO L495 AbstractCegarLoop]: Abstraction has has 364 places, 347 transitions, 824 flow [2022-11-21 09:12:09,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:09,818 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:12:09,818 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] [2022-11-21 09:12:09,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-21 09:12:09,819 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-21 09:12:09,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:12:09,819 INFO L85 PathProgramCache]: Analyzing trace with hash 685404934, now seen corresponding path program 1 times [2022-11-21 09:12:09,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:12:09,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827013585] [2022-11-21 09:12:09,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:12:09,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:12:09,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:12:09,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:12:09,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:12:09,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827013585] [2022-11-21 09:12:09,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827013585] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:12:09,867 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:12:09,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:12:09,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482783789] [2022-11-21 09:12:09,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:12:09,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:12:09,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:12:09,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:12:09,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:12:09,870 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 435 [2022-11-21 09:12:09,871 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 364 places, 347 transitions, 824 flow. Second operand has 3 states, 3 states have (on average 406.6666666666667) internal successors, (1220), 3 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:09,871 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:12:09,871 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 435 [2022-11-21 09:12:09,872 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:12:11,727 INFO L130 PetriNetUnfolder]: 733/9066 cut-off events. [2022-11-21 09:12:11,728 INFO L131 PetriNetUnfolder]: For 280/375 co-relation queries the response was YES. [2022-11-21 09:12:11,829 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11623 conditions, 9066 events. 733/9066 cut-off events. For 280/375 co-relation queries the response was YES. Maximal size of possible extension queue 226. Compared 111898 event pairs, 276 based on Foata normal form. 3/8037 useless extension candidates. Maximal degree in co-relation 8657. Up to 929 conditions per place. [2022-11-21 09:12:11,864 INFO L137 encePairwiseOnDemand]: 427/435 looper letters, 20 selfloop transitions, 4 changer transitions 0/350 dead transitions. [2022-11-21 09:12:11,864 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 351 places, 350 transitions, 881 flow [2022-11-21 09:12:11,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:12:11,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:12:11,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1243 transitions. [2022-11-21 09:12:11,868 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9524904214559387 [2022-11-21 09:12:11,868 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1243 transitions. [2022-11-21 09:12:11,868 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1243 transitions. [2022-11-21 09:12:11,869 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:12:11,869 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1243 transitions. [2022-11-21 09:12:11,872 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 414.3333333333333) internal successors, (1243), 3 states have internal predecessors, (1243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:11,875 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:11,876 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:11,876 INFO L175 Difference]: Start difference. First operand has 364 places, 347 transitions, 824 flow. Second operand 3 states and 1243 transitions. [2022-11-21 09:12:11,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 351 places, 350 transitions, 881 flow [2022-11-21 09:12:11,887 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 350 places, 350 transitions, 872 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 09:12:11,891 INFO L231 Difference]: Finished difference. Result has 351 places, 347 transitions, 835 flow [2022-11-21 09:12:11,892 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=807, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=343, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=339, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=835, PETRI_PLACES=351, PETRI_TRANSITIONS=347} [2022-11-21 09:12:11,893 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -56 predicate places. [2022-11-21 09:12:11,893 INFO L495 AbstractCegarLoop]: Abstraction has has 351 places, 347 transitions, 835 flow [2022-11-21 09:12:11,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 406.6666666666667) internal successors, (1220), 3 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:11,894 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:12:11,894 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] [2022-11-21 09:12:11,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-21 09:12:11,895 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-21 09:12:11,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:12:11,895 INFO L85 PathProgramCache]: Analyzing trace with hash 2061292385, now seen corresponding path program 1 times [2022-11-21 09:12:11,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:12:11,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740735688] [2022-11-21 09:12:11,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:12:11,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:12:11,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:12:11,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:12:11,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:12:11,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740735688] [2022-11-21 09:12:11,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740735688] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:12:11,939 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:12:11,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:12:11,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038218269] [2022-11-21 09:12:11,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:12:11,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:12:11,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:12:11,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:12:11,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:12:11,942 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 435 [2022-11-21 09:12:11,944 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 351 places, 347 transitions, 835 flow. Second operand has 3 states, 3 states have (on average 371.6666666666667) internal successors, (1115), 3 states have internal predecessors, (1115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:11,944 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:12:11,944 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 435 [2022-11-21 09:12:11,944 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:12:12,683 INFO L130 PetriNetUnfolder]: 426/3015 cut-off events. [2022-11-21 09:12:12,683 INFO L131 PetriNetUnfolder]: For 94/109 co-relation queries the response was YES. [2022-11-21 09:12:12,748 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4656 conditions, 3015 events. 426/3015 cut-off events. For 94/109 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 29170 event pairs, 289 based on Foata normal form. 0/2712 useless extension candidates. Maximal degree in co-relation 3130. Up to 678 conditions per place. [2022-11-21 09:12:12,772 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 46 selfloop transitions, 2 changer transitions 0/349 dead transitions. [2022-11-21 09:12:12,772 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 349 transitions, 938 flow [2022-11-21 09:12:12,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:12:12,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:12:12,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1149 transitions. [2022-11-21 09:12:12,776 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8804597701149425 [2022-11-21 09:12:12,776 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1149 transitions. [2022-11-21 09:12:12,776 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1149 transitions. [2022-11-21 09:12:12,777 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:12:12,777 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1149 transitions. [2022-11-21 09:12:12,780 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 383.0) internal successors, (1149), 3 states have internal predecessors, (1149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:12,783 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:12,784 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:12,784 INFO L175 Difference]: Start difference. First operand has 351 places, 347 transitions, 835 flow. Second operand 3 states and 1149 transitions. [2022-11-21 09:12:12,784 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 352 places, 349 transitions, 938 flow [2022-11-21 09:12:12,788 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 352 places, 349 transitions, 938 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-21 09:12:12,792 INFO L231 Difference]: Finished difference. Result has 352 places, 346 transitions, 837 flow [2022-11-21 09:12:12,793 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=833, PETRI_DIFFERENCE_MINUEND_PLACES=350, 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=837, PETRI_PLACES=352, PETRI_TRANSITIONS=346} [2022-11-21 09:12:12,794 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -55 predicate places. [2022-11-21 09:12:12,794 INFO L495 AbstractCegarLoop]: Abstraction has has 352 places, 346 transitions, 837 flow [2022-11-21 09:12:12,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 371.6666666666667) internal successors, (1115), 3 states have internal predecessors, (1115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:12,795 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:12:12,795 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] [2022-11-21 09:12:12,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-21 09:12:12,796 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-21 09:12:12,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:12:12,796 INFO L85 PathProgramCache]: Analyzing trace with hash 714547496, now seen corresponding path program 1 times [2022-11-21 09:12:12,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:12:12,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987500703] [2022-11-21 09:12:12,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:12:12,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:12:12,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:12:12,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:12:12,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:12:12,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987500703] [2022-11-21 09:12:12,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987500703] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:12:12,843 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:12:12,843 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:12:12,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021781897] [2022-11-21 09:12:12,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:12:12,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:12:12,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:12:12,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:12:12,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:12:12,846 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 435 [2022-11-21 09:12:12,847 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 352 places, 346 transitions, 837 flow. Second operand has 3 states, 3 states have (on average 375.0) internal successors, (1125), 3 states have internal predecessors, (1125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:12,848 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:12:12,848 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 435 [2022-11-21 09:12:12,848 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:12:13,744 INFO L130 PetriNetUnfolder]: 686/3491 cut-off events. [2022-11-21 09:12:13,744 INFO L131 PetriNetUnfolder]: For 286/307 co-relation queries the response was YES. [2022-11-21 09:12:13,782 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6047 conditions, 3491 events. 686/3491 cut-off events. For 286/307 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 34962 event pairs, 521 based on Foata normal form. 0/3175 useless extension candidates. Maximal degree in co-relation 5852. Up to 1340 conditions per place. [2022-11-21 09:12:13,804 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 44 selfloop transitions, 2 changer transitions 0/348 dead transitions. [2022-11-21 09:12:13,805 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 353 places, 348 transitions, 936 flow [2022-11-21 09:12:13,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:12:13,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:12:13,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1156 transitions. [2022-11-21 09:12:13,809 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.885823754789272 [2022-11-21 09:12:13,810 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1156 transitions. [2022-11-21 09:12:13,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1156 transitions. [2022-11-21 09:12:13,811 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:12:13,811 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1156 transitions. [2022-11-21 09:12:13,815 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 385.3333333333333) internal successors, (1156), 3 states have internal predecessors, (1156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:13,818 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:13,819 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:13,819 INFO L175 Difference]: Start difference. First operand has 352 places, 346 transitions, 837 flow. Second operand 3 states and 1156 transitions. [2022-11-21 09:12:13,819 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 353 places, 348 transitions, 936 flow [2022-11-21 09:12:13,825 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 351 places, 348 transitions, 932 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:12:13,831 INFO L231 Difference]: Finished difference. Result has 351 places, 345 transitions, 835 flow [2022-11-21 09:12:13,832 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=831, PETRI_DIFFERENCE_MINUEND_PLACES=349, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=343, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=835, PETRI_PLACES=351, PETRI_TRANSITIONS=345} [2022-11-21 09:12:13,832 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -56 predicate places. [2022-11-21 09:12:13,833 INFO L495 AbstractCegarLoop]: Abstraction has has 351 places, 345 transitions, 835 flow [2022-11-21 09:12:13,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 375.0) internal successors, (1125), 3 states have internal predecessors, (1125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:13,834 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:12:13,834 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] [2022-11-21 09:12:13,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-21 09:12:13,834 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-21 09:12:13,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:12:13,835 INFO L85 PathProgramCache]: Analyzing trace with hash 223912818, now seen corresponding path program 1 times [2022-11-21 09:12:13,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:12:13,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128036449] [2022-11-21 09:12:13,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:12:13,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:12:13,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:12:13,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:12:13,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:12:13,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128036449] [2022-11-21 09:12:13,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128036449] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:12:13,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:12:13,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:12:13,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588309822] [2022-11-21 09:12:13,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:12:13,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:12:13,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:12:13,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:12:13,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:12:13,904 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 435 [2022-11-21 09:12:13,906 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 351 places, 345 transitions, 835 flow. Second operand has 3 states, 3 states have (on average 373.6666666666667) internal successors, (1121), 3 states have internal predecessors, (1121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:13,906 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:12:13,907 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 435 [2022-11-21 09:12:13,907 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:12:14,779 INFO L130 PetriNetUnfolder]: 417/2982 cut-off events. [2022-11-21 09:12:14,779 INFO L131 PetriNetUnfolder]: For 106/121 co-relation queries the response was YES. [2022-11-21 09:12:14,816 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4618 conditions, 2982 events. 417/2982 cut-off events. For 106/121 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 28739 event pairs, 280 based on Foata normal form. 0/2703 useless extension candidates. Maximal degree in co-relation 4018. Up to 657 conditions per place. [2022-11-21 09:12:14,836 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 45 selfloop transitions, 2 changer transitions 0/347 dead transitions. [2022-11-21 09:12:14,837 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 347 transitions, 936 flow [2022-11-21 09:12:14,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:12:14,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:12:14,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1148 transitions. [2022-11-21 09:12:14,842 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8796934865900383 [2022-11-21 09:12:14,842 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1148 transitions. [2022-11-21 09:12:14,842 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1148 transitions. [2022-11-21 09:12:14,843 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:12:14,844 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1148 transitions. [2022-11-21 09:12:14,847 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 382.6666666666667) internal successors, (1148), 3 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:14,851 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:14,852 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:14,852 INFO L175 Difference]: Start difference. First operand has 351 places, 345 transitions, 835 flow. Second operand 3 states and 1148 transitions. [2022-11-21 09:12:14,853 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 352 places, 347 transitions, 936 flow [2022-11-21 09:12:14,859 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 350 places, 347 transitions, 932 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:12:14,865 INFO L231 Difference]: Finished difference. Result has 350 places, 344 transitions, 833 flow [2022-11-21 09:12:14,866 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=829, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=344, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=342, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=833, PETRI_PLACES=350, PETRI_TRANSITIONS=344} [2022-11-21 09:12:14,867 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -57 predicate places. [2022-11-21 09:12:14,867 INFO L495 AbstractCegarLoop]: Abstraction has has 350 places, 344 transitions, 833 flow [2022-11-21 09:12:14,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 373.6666666666667) internal successors, (1121), 3 states have internal predecessors, (1121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:14,868 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:12:14,868 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] [2022-11-21 09:12:14,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-21 09:12:14,869 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-21 09:12:14,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:12:14,870 INFO L85 PathProgramCache]: Analyzing trace with hash 195006870, now seen corresponding path program 1 times [2022-11-21 09:12:14,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:12:14,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140529670] [2022-11-21 09:12:14,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:12:14,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:12:14,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:12:14,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:12:14,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:12:14,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140529670] [2022-11-21 09:12:14,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140529670] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:12:14,934 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:12:14,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:12:14,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907978132] [2022-11-21 09:12:14,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:12:14,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:12:14,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:12:14,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:12:14,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:12:14,939 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 435 [2022-11-21 09:12:14,940 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 350 places, 344 transitions, 833 flow. Second operand has 3 states, 3 states have (on average 371.6666666666667) internal successors, (1115), 3 states have internal predecessors, (1115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:14,941 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:12:14,941 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 435 [2022-11-21 09:12:14,941 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:12:15,772 INFO L130 PetriNetUnfolder]: 451/2940 cut-off events. [2022-11-21 09:12:15,772 INFO L131 PetriNetUnfolder]: For 269/293 co-relation queries the response was YES. [2022-11-21 09:12:15,798 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4657 conditions, 2940 events. 451/2940 cut-off events. For 269/293 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 27990 event pairs, 313 based on Foata normal form. 0/2657 useless extension candidates. Maximal degree in co-relation 4506. Up to 871 conditions per place. [2022-11-21 09:12:15,811 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 47 selfloop transitions, 2 changer transitions 0/346 dead transitions. [2022-11-21 09:12:15,812 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 351 places, 346 transitions, 938 flow [2022-11-21 09:12:15,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:12:15,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:12:15,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1149 transitions. [2022-11-21 09:12:15,817 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8804597701149425 [2022-11-21 09:12:15,817 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1149 transitions. [2022-11-21 09:12:15,817 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1149 transitions. [2022-11-21 09:12:15,818 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:12:15,818 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1149 transitions. [2022-11-21 09:12:15,821 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 383.0) internal successors, (1149), 3 states have internal predecessors, (1149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:15,824 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:15,825 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:15,825 INFO L175 Difference]: Start difference. First operand has 350 places, 344 transitions, 833 flow. Second operand 3 states and 1149 transitions. [2022-11-21 09:12:15,825 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 351 places, 346 transitions, 938 flow [2022-11-21 09:12:15,829 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 349 places, 346 transitions, 934 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:12:15,834 INFO L231 Difference]: Finished difference. Result has 349 places, 343 transitions, 831 flow [2022-11-21 09:12:15,835 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=827, PETRI_DIFFERENCE_MINUEND_PLACES=347, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=343, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=341, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=831, PETRI_PLACES=349, PETRI_TRANSITIONS=343} [2022-11-21 09:12:15,835 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -58 predicate places. [2022-11-21 09:12:15,835 INFO L495 AbstractCegarLoop]: Abstraction has has 349 places, 343 transitions, 831 flow [2022-11-21 09:12:15,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 371.6666666666667) internal successors, (1115), 3 states have internal predecessors, (1115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:15,836 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:12:15,836 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] [2022-11-21 09:12:15,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-21 09:12:15,837 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-21 09:12:15,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:12:15,837 INFO L85 PathProgramCache]: Analyzing trace with hash 2040247395, now seen corresponding path program 1 times [2022-11-21 09:12:15,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:12:15,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065381607] [2022-11-21 09:12:15,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:12:15,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:12:15,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:12:16,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:12:16,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:12:16,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065381607] [2022-11-21 09:12:16,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065381607] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:12:16,272 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:12:16,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 09:12:16,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117222011] [2022-11-21 09:12:16,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:12:16,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 09:12:16,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:12:16,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 09:12:16,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 09:12:16,276 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 390 out of 435 [2022-11-21 09:12:16,278 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 349 places, 343 transitions, 831 flow. Second operand has 6 states, 6 states have (on average 392.1666666666667) internal successors, (2353), 6 states have internal predecessors, (2353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:16,278 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:12:16,279 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 390 of 435 [2022-11-21 09:12:16,279 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:12:16,785 INFO L130 PetriNetUnfolder]: 88/1800 cut-off events. [2022-11-21 09:12:16,785 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-21 09:12:16,819 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2356 conditions, 1800 events. 88/1800 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 14078 event pairs, 8 based on Foata normal form. 0/1622 useless extension candidates. Maximal degree in co-relation 1930. Up to 109 conditions per place. [2022-11-21 09:12:16,828 INFO L137 encePairwiseOnDemand]: 430/435 looper letters, 30 selfloop transitions, 4 changer transitions 0/342 dead transitions. [2022-11-21 09:12:16,828 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 353 places, 342 transitions, 897 flow [2022-11-21 09:12:16,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 09:12:16,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 09:12:16,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2375 transitions. [2022-11-21 09:12:16,834 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9099616858237548 [2022-11-21 09:12:16,834 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2375 transitions. [2022-11-21 09:12:16,834 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2375 transitions. [2022-11-21 09:12:16,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:12:16,836 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2375 transitions. [2022-11-21 09:12:16,841 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 395.8333333333333) internal successors, (2375), 6 states have internal predecessors, (2375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:16,846 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 435.0) internal successors, (3045), 7 states have internal predecessors, (3045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:16,847 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 435.0) internal successors, (3045), 7 states have internal predecessors, (3045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:16,848 INFO L175 Difference]: Start difference. First operand has 349 places, 343 transitions, 831 flow. Second operand 6 states and 2375 transitions. [2022-11-21 09:12:16,848 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 353 places, 342 transitions, 897 flow [2022-11-21 09:12:16,852 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 351 places, 342 transitions, 893 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:12:16,856 INFO L231 Difference]: Finished difference. Result has 351 places, 342 transitions, 833 flow [2022-11-21 09:12:16,857 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=825, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=342, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=338, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=833, PETRI_PLACES=351, PETRI_TRANSITIONS=342} [2022-11-21 09:12:16,857 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -56 predicate places. [2022-11-21 09:12:16,858 INFO L495 AbstractCegarLoop]: Abstraction has has 351 places, 342 transitions, 833 flow [2022-11-21 09:12:16,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 392.1666666666667) internal successors, (2353), 6 states have internal predecessors, (2353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:16,859 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:12:16,859 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] [2022-11-21 09:12:16,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-21 09:12:16,860 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-21 09:12:16,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:12:16,860 INFO L85 PathProgramCache]: Analyzing trace with hash 549423174, now seen corresponding path program 1 times [2022-11-21 09:12:16,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:12:16,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828788910] [2022-11-21 09:12:16,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:12:16,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:12:16,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:12:16,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:12:16,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:12:16,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828788910] [2022-11-21 09:12:16,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828788910] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:12:16,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:12:16,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:12:16,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451638312] [2022-11-21 09:12:16,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:12:16,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:12:16,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:12:16,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:12:16,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:12:16,907 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 435 [2022-11-21 09:12:16,908 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 351 places, 342 transitions, 833 flow. Second operand has 3 states, 3 states have (on average 377.0) internal successors, (1131), 3 states have internal predecessors, (1131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:16,909 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:12:16,909 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 435 [2022-11-21 09:12:16,909 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:12:17,779 INFO L130 PetriNetUnfolder]: 669/3430 cut-off events. [2022-11-21 09:12:17,779 INFO L131 PetriNetUnfolder]: For 280/301 co-relation queries the response was YES. [2022-11-21 09:12:17,822 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5934 conditions, 3430 events. 669/3430 cut-off events. For 280/301 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 34033 event pairs, 504 based on Foata normal form. 0/3158 useless extension candidates. Maximal degree in co-relation 5074. Up to 1296 conditions per place. [2022-11-21 09:12:17,840 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 43 selfloop transitions, 2 changer transitions 0/344 dead transitions. [2022-11-21 09:12:17,841 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 344 transitions, 930 flow [2022-11-21 09:12:17,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:12:17,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:12:17,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1155 transitions. [2022-11-21 09:12:17,844 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8850574712643678 [2022-11-21 09:12:17,845 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1155 transitions. [2022-11-21 09:12:17,845 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1155 transitions. [2022-11-21 09:12:17,846 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:12:17,846 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1155 transitions. [2022-11-21 09:12:17,848 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 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) [2022-11-21 09:12:17,851 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:17,852 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:17,852 INFO L175 Difference]: Start difference. First operand has 351 places, 342 transitions, 833 flow. Second operand 3 states and 1155 transitions. [2022-11-21 09:12:17,852 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 352 places, 344 transitions, 930 flow [2022-11-21 09:12:17,857 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 348 places, 344 transitions, 923 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-21 09:12:17,861 INFO L231 Difference]: Finished difference. Result has 348 places, 341 transitions, 828 flow [2022-11-21 09:12:17,862 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=824, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=341, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=339, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=828, PETRI_PLACES=348, PETRI_TRANSITIONS=341} [2022-11-21 09:12:17,863 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -59 predicate places. [2022-11-21 09:12:17,863 INFO L495 AbstractCegarLoop]: Abstraction has has 348 places, 341 transitions, 828 flow [2022-11-21 09:12:17,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 377.0) internal successors, (1131), 3 states have internal predecessors, (1131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:17,864 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:12:17,864 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] [2022-11-21 09:12:17,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-21 09:12:17,864 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread4Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-21 09:12:17,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:12:17,865 INFO L85 PathProgramCache]: Analyzing trace with hash -983902946, now seen corresponding path program 1 times [2022-11-21 09:12:17,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:12:17,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880177719] [2022-11-21 09:12:17,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:12:17,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:12:17,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:12:17,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:12:17,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:12:17,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880177719] [2022-11-21 09:12:17,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880177719] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:12:17,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:12:17,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:12:17,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970212331] [2022-11-21 09:12:17,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:12:17,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:12:17,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:12:17,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:12:17,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:12:17,929 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 435 [2022-11-21 09:12:17,930 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 348 places, 341 transitions, 828 flow. Second operand has 3 states, 3 states have (on average 375.0) internal successors, (1125), 3 states have internal predecessors, (1125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:17,931 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:12:17,931 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 435 [2022-11-21 09:12:17,931 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:12:18,585 INFO L130 PetriNetUnfolder]: 302/2435 cut-off events. [2022-11-21 09:12:18,585 INFO L131 PetriNetUnfolder]: For 302/312 co-relation queries the response was YES. [2022-11-21 09:12:18,630 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3606 conditions, 2435 events. 302/2435 cut-off events. For 302/312 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 21914 event pairs, 192 based on Foata normal form. 0/2209 useless extension candidates. Maximal degree in co-relation 3160. Up to 594 conditions per place. [2022-11-21 09:12:18,644 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 44 selfloop transitions, 2 changer transitions 0/343 dead transitions. [2022-11-21 09:12:18,644 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 349 places, 343 transitions, 927 flow [2022-11-21 09:12:18,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:12:18,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:12:18,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1156 transitions. [2022-11-21 09:12:18,647 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.885823754789272 [2022-11-21 09:12:18,647 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1156 transitions. [2022-11-21 09:12:18,647 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1156 transitions. [2022-11-21 09:12:18,648 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:12:18,648 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1156 transitions. [2022-11-21 09:12:18,650 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 385.3333333333333) internal successors, (1156), 3 states have internal predecessors, (1156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:18,653 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:18,653 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:18,654 INFO L175 Difference]: Start difference. First operand has 348 places, 341 transitions, 828 flow. Second operand 3 states and 1156 transitions. [2022-11-21 09:12:18,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 349 places, 343 transitions, 927 flow [2022-11-21 09:12:18,658 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 347 places, 343 transitions, 923 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:12:18,661 INFO L231 Difference]: Finished difference. Result has 347 places, 340 transitions, 826 flow [2022-11-21 09:12:18,662 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=822, PETRI_DIFFERENCE_MINUEND_PLACES=345, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=340, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=338, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=826, PETRI_PLACES=347, PETRI_TRANSITIONS=340} [2022-11-21 09:12:18,663 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -60 predicate places. [2022-11-21 09:12:18,663 INFO L495 AbstractCegarLoop]: Abstraction has has 347 places, 340 transitions, 826 flow [2022-11-21 09:12:18,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 375.0) internal successors, (1125), 3 states have internal predecessors, (1125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:18,663 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:12:18,664 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] [2022-11-21 09:12:18,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-21 09:12:18,664 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-21 09:12:18,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:12:18,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1539199117, now seen corresponding path program 1 times [2022-11-21 09:12:18,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:12:18,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095839300] [2022-11-21 09:12:18,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:12:18,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:12:18,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:12:18,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:12:18,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:12:18,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095839300] [2022-11-21 09:12:18,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095839300] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:12:18,711 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:12:18,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:12:18,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28507298] [2022-11-21 09:12:18,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:12:18,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:12:18,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:12:18,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:12:18,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:12:18,715 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 435 [2022-11-21 09:12:18,717 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 347 places, 340 transitions, 826 flow. Second operand has 3 states, 3 states have (on average 375.6666666666667) internal successors, (1127), 3 states have internal predecessors, (1127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:18,717 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:12:18,717 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 435 [2022-11-21 09:12:18,717 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:12:19,376 INFO L130 PetriNetUnfolder]: 408/2922 cut-off events. [2022-11-21 09:12:19,377 INFO L131 PetriNetUnfolder]: For 105/120 co-relation queries the response was YES. [2022-11-21 09:12:19,422 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4529 conditions, 2922 events. 408/2922 cut-off events. For 105/120 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 27842 event pairs, 271 based on Foata normal form. 0/2694 useless extension candidates. Maximal degree in co-relation 4028. Up to 636 conditions per place. [2022-11-21 09:12:19,437 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 44 selfloop transitions, 2 changer transitions 0/342 dead transitions. [2022-11-21 09:12:19,437 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 348 places, 342 transitions, 925 flow [2022-11-21 09:12:19,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:12:19,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:12:19,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1147 transitions. [2022-11-21 09:12:19,440 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.878927203065134 [2022-11-21 09:12:19,440 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1147 transitions. [2022-11-21 09:12:19,440 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1147 transitions. [2022-11-21 09:12:19,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:12:19,441 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1147 transitions. [2022-11-21 09:12:19,443 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 382.3333333333333) internal successors, (1147), 3 states have internal predecessors, (1147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:19,446 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:19,447 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:19,447 INFO L175 Difference]: Start difference. First operand has 347 places, 340 transitions, 826 flow. Second operand 3 states and 1147 transitions. [2022-11-21 09:12:19,447 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 348 places, 342 transitions, 925 flow [2022-11-21 09:12:19,451 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 342 transitions, 921 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:12:19,456 INFO L231 Difference]: Finished difference. Result has 346 places, 339 transitions, 824 flow [2022-11-21 09:12:19,456 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=820, PETRI_DIFFERENCE_MINUEND_PLACES=344, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=339, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=337, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=824, PETRI_PLACES=346, PETRI_TRANSITIONS=339} [2022-11-21 09:12:19,457 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -61 predicate places. [2022-11-21 09:12:19,457 INFO L495 AbstractCegarLoop]: Abstraction has has 346 places, 339 transitions, 824 flow [2022-11-21 09:12:19,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 375.6666666666667) internal successors, (1127), 3 states have internal predecessors, (1127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:19,458 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:12:19,458 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] [2022-11-21 09:12:19,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-21 09:12:19,459 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-21 09:12:19,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:12:19,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1215867309, now seen corresponding path program 1 times [2022-11-21 09:12:19,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:12:19,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646709367] [2022-11-21 09:12:19,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:12:19,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:12:19,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:12:19,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:12:19,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:12:19,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646709367] [2022-11-21 09:12:19,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646709367] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:12:19,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:12:19,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:12:19,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536242907] [2022-11-21 09:12:19,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:12:19,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:12:19,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:12:19,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:12:19,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:12:19,515 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 435 [2022-11-21 09:12:19,516 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 346 places, 339 transitions, 824 flow. Second operand has 3 states, 3 states have (on average 373.6666666666667) internal successors, (1121), 3 states have internal predecessors, (1121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:19,516 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:12:19,516 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 435 [2022-11-21 09:12:19,516 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:12:20,295 INFO L130 PetriNetUnfolder]: 441/2881 cut-off events. [2022-11-21 09:12:20,295 INFO L131 PetriNetUnfolder]: For 265/289 co-relation queries the response was YES. [2022-11-21 09:12:20,337 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4567 conditions, 2881 events. 441/2881 cut-off events. For 265/289 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 27256 event pairs, 303 based on Foata normal form. 0/2647 useless extension candidates. Maximal degree in co-relation 4452. Up to 843 conditions per place. [2022-11-21 09:12:20,353 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 46 selfloop transitions, 2 changer transitions 0/341 dead transitions. [2022-11-21 09:12:20,353 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 347 places, 341 transitions, 927 flow [2022-11-21 09:12:20,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:12:20,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:12:20,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1148 transitions. [2022-11-21 09:12:20,356 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8796934865900383 [2022-11-21 09:12:20,356 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1148 transitions. [2022-11-21 09:12:20,356 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1148 transitions. [2022-11-21 09:12:20,357 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:12:20,357 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1148 transitions. [2022-11-21 09:12:20,359 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 382.6666666666667) internal successors, (1148), 3 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:20,361 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:20,362 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:20,362 INFO L175 Difference]: Start difference. First operand has 346 places, 339 transitions, 824 flow. Second operand 3 states and 1148 transitions. [2022-11-21 09:12:20,362 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 347 places, 341 transitions, 927 flow [2022-11-21 09:12:20,365 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 345 places, 341 transitions, 923 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:12:20,369 INFO L231 Difference]: Finished difference. Result has 345 places, 338 transitions, 822 flow [2022-11-21 09:12:20,369 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=818, PETRI_DIFFERENCE_MINUEND_PLACES=343, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=338, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=336, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=822, PETRI_PLACES=345, PETRI_TRANSITIONS=338} [2022-11-21 09:12:20,370 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -62 predicate places. [2022-11-21 09:12:20,370 INFO L495 AbstractCegarLoop]: Abstraction has has 345 places, 338 transitions, 822 flow [2022-11-21 09:12:20,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 373.6666666666667) internal successors, (1121), 3 states have internal predecessors, (1121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:20,371 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:12:20,371 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] [2022-11-21 09:12:20,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-21 09:12:20,371 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-21 09:12:20,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:12:20,372 INFO L85 PathProgramCache]: Analyzing trace with hash 644693236, now seen corresponding path program 1 times [2022-11-21 09:12:20,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:12:20,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007818088] [2022-11-21 09:12:20,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:12:20,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:12:20,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:12:20,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:12:20,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:12:20,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007818088] [2022-11-21 09:12:20,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007818088] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:12:20,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:12:20,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:12:20,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135958871] [2022-11-21 09:12:20,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:12:20,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:12:20,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:12:20,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:12:20,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:12:20,414 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 435 [2022-11-21 09:12:20,415 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 345 places, 338 transitions, 822 flow. Second operand has 3 states, 3 states have (on average 379.0) internal successors, (1137), 3 states have internal predecessors, (1137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:20,415 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:12:20,415 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 435 [2022-11-21 09:12:20,415 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:12:21,207 INFO L130 PetriNetUnfolder]: 652/3360 cut-off events. [2022-11-21 09:12:21,207 INFO L131 PetriNetUnfolder]: For 288/309 co-relation queries the response was YES. [2022-11-21 09:12:21,252 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5819 conditions, 3360 events. 652/3360 cut-off events. For 288/309 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 33065 event pairs, 487 based on Foata normal form. 0/3141 useless extension candidates. Maximal degree in co-relation 5430. Up to 1252 conditions per place. [2022-11-21 09:12:21,277 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 42 selfloop transitions, 2 changer transitions 0/340 dead transitions. [2022-11-21 09:12:21,277 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 346 places, 340 transitions, 917 flow [2022-11-21 09:12:21,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:12:21,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:12:21,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1154 transitions. [2022-11-21 09:12:21,280 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8842911877394636 [2022-11-21 09:12:21,281 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1154 transitions. [2022-11-21 09:12:21,281 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1154 transitions. [2022-11-21 09:12:21,282 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:12:21,282 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1154 transitions. [2022-11-21 09:12:21,284 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 384.6666666666667) internal successors, (1154), 3 states have internal predecessors, (1154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:21,287 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:21,288 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:21,288 INFO L175 Difference]: Start difference. First operand has 345 places, 338 transitions, 822 flow. Second operand 3 states and 1154 transitions. [2022-11-21 09:12:21,288 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 346 places, 340 transitions, 917 flow [2022-11-21 09:12:21,293 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 344 places, 340 transitions, 913 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:12:21,298 INFO L231 Difference]: Finished difference. Result has 344 places, 337 transitions, 820 flow [2022-11-21 09:12:21,299 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=816, PETRI_DIFFERENCE_MINUEND_PLACES=342, 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=820, PETRI_PLACES=344, PETRI_TRANSITIONS=337} [2022-11-21 09:12:21,299 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -63 predicate places. [2022-11-21 09:12:21,299 INFO L495 AbstractCegarLoop]: Abstraction has has 344 places, 337 transitions, 820 flow [2022-11-21 09:12:21,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 379.0) internal successors, (1137), 3 states have internal predecessors, (1137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:21,300 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:12:21,301 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] [2022-11-21 09:12:21,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-21 09:12:21,301 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread4Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-21 09:12:21,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:12:21,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1972317830, now seen corresponding path program 1 times [2022-11-21 09:12:21,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:12:21,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581436444] [2022-11-21 09:12:21,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:12:21,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:12:21,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:12:21,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:12:21,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:12:21,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581436444] [2022-11-21 09:12:21,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581436444] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:12:21,363 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:12:21,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:12:21,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353749643] [2022-11-21 09:12:21,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:12:21,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:12:21,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:12:21,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:12:21,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:12:21,366 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 435 [2022-11-21 09:12:21,367 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 344 places, 337 transitions, 820 flow. Second operand has 3 states, 3 states have (on average 377.0) internal successors, (1131), 3 states have internal predecessors, (1131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:21,368 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:12:21,368 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 435 [2022-11-21 09:12:21,368 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:12:22,017 INFO L130 PetriNetUnfolder]: 296/2390 cut-off events. [2022-11-21 09:12:22,017 INFO L131 PetriNetUnfolder]: For 296/306 co-relation queries the response was YES. [2022-11-21 09:12:22,055 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3542 conditions, 2390 events. 296/2390 cut-off events. For 296/306 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 21137 event pairs, 186 based on Foata normal form. 0/2203 useless extension candidates. Maximal degree in co-relation 3240. Up to 575 conditions per place. [2022-11-21 09:12:22,064 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 43 selfloop transitions, 2 changer transitions 0/339 dead transitions. [2022-11-21 09:12:22,064 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 345 places, 339 transitions, 917 flow [2022-11-21 09:12:22,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:12:22,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:12:22,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1155 transitions. [2022-11-21 09:12:22,068 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8850574712643678 [2022-11-21 09:12:22,069 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1155 transitions. [2022-11-21 09:12:22,069 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1155 transitions. [2022-11-21 09:12:22,069 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:12:22,070 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1155 transitions. [2022-11-21 09:12:22,072 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 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) [2022-11-21 09:12:22,075 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:22,075 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:22,076 INFO L175 Difference]: Start difference. First operand has 344 places, 337 transitions, 820 flow. Second operand 3 states and 1155 transitions. [2022-11-21 09:12:22,076 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 345 places, 339 transitions, 917 flow [2022-11-21 09:12:22,080 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 343 places, 339 transitions, 913 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:12:22,084 INFO L231 Difference]: Finished difference. Result has 343 places, 336 transitions, 818 flow [2022-11-21 09:12:22,085 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=814, PETRI_DIFFERENCE_MINUEND_PLACES=341, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=336, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=334, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=818, PETRI_PLACES=343, PETRI_TRANSITIONS=336} [2022-11-21 09:12:22,085 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -64 predicate places. [2022-11-21 09:12:22,085 INFO L495 AbstractCegarLoop]: Abstraction has has 343 places, 336 transitions, 818 flow [2022-11-21 09:12:22,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 377.0) internal successors, (1131), 3 states have internal predecessors, (1131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:22,086 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:12:22,087 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] [2022-11-21 09:12:22,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-21 09:12:22,087 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread1Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-21 09:12:22,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:12:22,088 INFO L85 PathProgramCache]: Analyzing trace with hash 903949278, now seen corresponding path program 1 times [2022-11-21 09:12:22,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:12:22,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632657470] [2022-11-21 09:12:22,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:12:22,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:12:22,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:12:22,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:12:22,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:12:22,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632657470] [2022-11-21 09:12:22,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632657470] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:12:22,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:12:22,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:12:22,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423198558] [2022-11-21 09:12:22,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:12:22,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:12:22,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:12:22,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:12:22,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:12:22,143 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 435 [2022-11-21 09:12:22,144 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 336 transitions, 818 flow. Second operand has 3 states, 3 states have (on average 377.6666666666667) internal successors, (1133), 3 states have internal predecessors, (1133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:22,144 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:12:22,144 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 435 [2022-11-21 09:12:22,144 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:12:22,674 INFO L130 PetriNetUnfolder]: 399/2865 cut-off events. [2022-11-21 09:12:22,674 INFO L131 PetriNetUnfolder]: For 105/120 co-relation queries the response was YES. [2022-11-21 09:12:22,705 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4442 conditions, 2865 events. 399/2865 cut-off events. For 105/120 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 26986 event pairs, 262 based on Foata normal form. 0/2685 useless extension candidates. Maximal degree in co-relation 4073. Up to 615 conditions per place. [2022-11-21 09:12:22,717 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 43 selfloop transitions, 2 changer transitions 0/338 dead transitions. [2022-11-21 09:12:22,717 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 344 places, 338 transitions, 915 flow [2022-11-21 09:12:22,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:12:22,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:12:22,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1146 transitions. [2022-11-21 09:12:22,721 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8781609195402299 [2022-11-21 09:12:22,722 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1146 transitions. [2022-11-21 09:12:22,722 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1146 transitions. [2022-11-21 09:12:22,723 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:12:22,723 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1146 transitions. [2022-11-21 09:12:22,725 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 382.0) internal successors, (1146), 3 states have internal predecessors, (1146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:22,728 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:22,729 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:22,729 INFO L175 Difference]: Start difference. First operand has 343 places, 336 transitions, 818 flow. Second operand 3 states and 1146 transitions. [2022-11-21 09:12:22,729 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 344 places, 338 transitions, 915 flow [2022-11-21 09:12:22,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 342 places, 338 transitions, 911 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:12:22,737 INFO L231 Difference]: Finished difference. Result has 342 places, 335 transitions, 816 flow [2022-11-21 09:12:22,738 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=812, PETRI_DIFFERENCE_MINUEND_PLACES=340, 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=816, PETRI_PLACES=342, PETRI_TRANSITIONS=335} [2022-11-21 09:12:22,739 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -65 predicate places. [2022-11-21 09:12:22,739 INFO L495 AbstractCegarLoop]: Abstraction has has 342 places, 335 transitions, 816 flow [2022-11-21 09:12:22,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 377.6666666666667) internal successors, (1133), 3 states have internal predecessors, (1133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:22,740 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:12:22,740 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] [2022-11-21 09:12:22,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-21 09:12:22,741 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-21 09:12:22,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:12:22,741 INFO L85 PathProgramCache]: Analyzing trace with hash 45876516, now seen corresponding path program 1 times [2022-11-21 09:12:22,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:12:22,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935483608] [2022-11-21 09:12:22,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:12:22,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:12:22,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:12:23,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:12:23,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:12:23,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935483608] [2022-11-21 09:12:23,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935483608] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:12:23,385 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:12:23,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 09:12:23,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060666617] [2022-11-21 09:12:23,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:12:23,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 09:12:23,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:12:23,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 09:12:23,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 09:12:23,389 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 390 out of 435 [2022-11-21 09:12:23,392 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 342 places, 335 transitions, 816 flow. Second operand has 6 states, 6 states have (on average 393.1666666666667) internal successors, (2359), 6 states have internal predecessors, (2359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:23,392 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:12:23,392 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 390 of 435 [2022-11-21 09:12:23,392 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:12:23,835 INFO L130 PetriNetUnfolder]: 88/1748 cut-off events. [2022-11-21 09:12:23,835 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-11-21 09:12:23,855 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2292 conditions, 1748 events. 88/1748 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 13440 event pairs, 8 based on Foata normal form. 0/1622 useless extension candidates. Maximal degree in co-relation 2221. Up to 109 conditions per place. [2022-11-21 09:12:23,859 INFO L137 encePairwiseOnDemand]: 430/435 looper letters, 29 selfloop transitions, 4 changer transitions 0/334 dead transitions. [2022-11-21 09:12:23,859 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 346 places, 334 transitions, 880 flow [2022-11-21 09:12:23,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 09:12:23,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 09:12:23,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2374 transitions. [2022-11-21 09:12:23,863 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9095785440613027 [2022-11-21 09:12:23,864 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2374 transitions. [2022-11-21 09:12:23,864 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2374 transitions. [2022-11-21 09:12:23,865 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:12:23,866 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2374 transitions. [2022-11-21 09:12:23,870 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 395.6666666666667) internal successors, (2374), 6 states have internal predecessors, (2374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:23,875 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 435.0) internal successors, (3045), 7 states have internal predecessors, (3045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:23,876 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 435.0) internal successors, (3045), 7 states have internal predecessors, (3045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:23,876 INFO L175 Difference]: Start difference. First operand has 342 places, 335 transitions, 816 flow. Second operand 6 states and 2374 transitions. [2022-11-21 09:12:23,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 346 places, 334 transitions, 880 flow [2022-11-21 09:12:23,880 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 344 places, 334 transitions, 876 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:12:23,884 INFO L231 Difference]: Finished difference. Result has 344 places, 334 transitions, 818 flow [2022-11-21 09:12:23,884 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=810, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=334, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=818, PETRI_PLACES=344, PETRI_TRANSITIONS=334} [2022-11-21 09:12:23,885 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -63 predicate places. [2022-11-21 09:12:23,885 INFO L495 AbstractCegarLoop]: Abstraction has has 344 places, 334 transitions, 818 flow [2022-11-21 09:12:23,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 393.1666666666667) internal successors, (2359), 6 states have internal predecessors, (2359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:23,886 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:12:23,887 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] [2022-11-21 09:12:23,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-21 09:12:23,887 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting thread3Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-21 09:12:23,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:12:23,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1980469314, now seen corresponding path program 1 times [2022-11-21 09:12:23,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:12:23,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676674470] [2022-11-21 09:12:23,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:12:23,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:12:23,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:12:23,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:12:23,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:12:23,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676674470] [2022-11-21 09:12:23,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676674470] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:12:23,929 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:12:23,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:12:23,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873019239] [2022-11-21 09:12:23,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:12:23,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:12:23,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:12:23,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:12:23,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:12:23,932 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 435 [2022-11-21 09:12:23,933 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 344 places, 334 transitions, 818 flow. Second operand has 3 states, 3 states have (on average 375.6666666666667) internal successors, (1127), 3 states have internal predecessors, (1127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:23,933 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:12:23,933 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 435 [2022-11-21 09:12:23,934 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:12:24,592 INFO L130 PetriNetUnfolder]: 431/2822 cut-off events. [2022-11-21 09:12:24,592 INFO L131 PetriNetUnfolder]: For 258/282 co-relation queries the response was YES. [2022-11-21 09:12:24,639 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4480 conditions, 2822 events. 431/2822 cut-off events. For 258/282 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 26630 event pairs, 293 based on Foata normal form. 0/2637 useless extension candidates. Maximal degree in co-relation 3973. Up to 815 conditions per place. [2022-11-21 09:12:24,658 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 45 selfloop transitions, 2 changer transitions 0/336 dead transitions. [2022-11-21 09:12:24,658 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 345 places, 336 transitions, 919 flow [2022-11-21 09:12:24,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:12:24,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:12:24,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1147 transitions. [2022-11-21 09:12:24,662 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.878927203065134 [2022-11-21 09:12:24,662 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1147 transitions. [2022-11-21 09:12:24,662 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1147 transitions. [2022-11-21 09:12:24,663 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:12:24,663 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1147 transitions. [2022-11-21 09:12:24,665 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 382.3333333333333) internal successors, (1147), 3 states have internal predecessors, (1147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:24,669 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:24,670 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:24,670 INFO L175 Difference]: Start difference. First operand has 344 places, 334 transitions, 818 flow. Second operand 3 states and 1147 transitions. [2022-11-21 09:12:24,670 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 345 places, 336 transitions, 919 flow [2022-11-21 09:12:24,675 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 341 places, 336 transitions, 912 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-21 09:12:24,679 INFO L231 Difference]: Finished difference. Result has 341 places, 333 transitions, 813 flow [2022-11-21 09:12:24,680 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=809, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=333, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=331, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=813, PETRI_PLACES=341, PETRI_TRANSITIONS=333} [2022-11-21 09:12:24,681 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -66 predicate places. [2022-11-21 09:12:24,681 INFO L495 AbstractCegarLoop]: Abstraction has has 341 places, 333 transitions, 813 flow [2022-11-21 09:12:24,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 375.6666666666667) internal successors, (1127), 3 states have internal predecessors, (1127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:24,682 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:12:24,682 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] [2022-11-21 09:12:24,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-21 09:12:24,683 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting thread2Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-21 09:12:24,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:12:24,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1116464658, now seen corresponding path program 1 times [2022-11-21 09:12:24,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:12:24,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755188360] [2022-11-21 09:12:24,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:12:24,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:12:24,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:12:24,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:12:24,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:12:24,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755188360] [2022-11-21 09:12:24,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755188360] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:12:24,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:12:24,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:12:24,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816862978] [2022-11-21 09:12:24,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:12:24,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:12:24,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:12:24,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:12:24,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:12:24,732 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 435 [2022-11-21 09:12:24,733 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 341 places, 333 transitions, 813 flow. Second operand has 3 states, 3 states have (on average 381.0) internal successors, (1143), 3 states have internal predecessors, (1143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:24,734 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:12:24,734 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 435 [2022-11-21 09:12:24,734 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:12:25,476 INFO L130 PetriNetUnfolder]: 635/3287 cut-off events. [2022-11-21 09:12:25,477 INFO L131 PetriNetUnfolder]: For 285/306 co-relation queries the response was YES. [2022-11-21 09:12:25,546 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5691 conditions, 3287 events. 635/3287 cut-off events. For 285/306 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 32059 event pairs, 470 based on Foata normal form. 0/3124 useless extension candidates. Maximal degree in co-relation 5434. Up to 1208 conditions per place. [2022-11-21 09:12:25,566 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 41 selfloop transitions, 2 changer transitions 0/335 dead transitions. [2022-11-21 09:12:25,566 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 342 places, 335 transitions, 906 flow [2022-11-21 09:12:25,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:12:25,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:12:25,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1153 transitions. [2022-11-21 09:12:25,569 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8835249042145594 [2022-11-21 09:12:25,569 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1153 transitions. [2022-11-21 09:12:25,569 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1153 transitions. [2022-11-21 09:12:25,570 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:12:25,570 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1153 transitions. [2022-11-21 09:12:25,574 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 384.3333333333333) internal successors, (1153), 3 states have internal predecessors, (1153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:25,577 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:25,577 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:25,577 INFO L175 Difference]: Start difference. First operand has 341 places, 333 transitions, 813 flow. Second operand 3 states and 1153 transitions. [2022-11-21 09:12:25,578 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 342 places, 335 transitions, 906 flow [2022-11-21 09:12:25,583 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 335 transitions, 902 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:12:25,586 INFO L231 Difference]: Finished difference. Result has 340 places, 332 transitions, 811 flow [2022-11-21 09:12:25,587 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=807, PETRI_DIFFERENCE_MINUEND_PLACES=338, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=332, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=811, PETRI_PLACES=340, PETRI_TRANSITIONS=332} [2022-11-21 09:12:25,588 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -67 predicate places. [2022-11-21 09:12:25,588 INFO L495 AbstractCegarLoop]: Abstraction has has 340 places, 332 transitions, 811 flow [2022-11-21 09:12:25,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 381.0) internal successors, (1143), 3 states have internal predecessors, (1143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:25,589 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:12:25,589 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] [2022-11-21 09:12:25,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-21 09:12:25,589 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting thread4Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-21 09:12:25,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:12:25,590 INFO L85 PathProgramCache]: Analyzing trace with hash -407116758, now seen corresponding path program 1 times [2022-11-21 09:12:25,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:12:25,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916165676] [2022-11-21 09:12:25,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:12:25,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:12:25,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:12:25,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:12:25,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:12:25,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916165676] [2022-11-21 09:12:25,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916165676] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:12:25,631 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:12:25,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:12:25,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701825689] [2022-11-21 09:12:25,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:12:25,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:12:25,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:12:25,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:12:25,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:12:25,634 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 435 [2022-11-21 09:12:25,635 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 340 places, 332 transitions, 811 flow. Second operand has 3 states, 3 states have (on average 379.0) internal successors, (1137), 3 states have internal predecessors, (1137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:25,635 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:12:25,635 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 435 [2022-11-21 09:12:25,635 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:12:26,170 INFO L130 PetriNetUnfolder]: 290/2342 cut-off events. [2022-11-21 09:12:26,170 INFO L131 PetriNetUnfolder]: For 290/300 co-relation queries the response was YES. [2022-11-21 09:12:26,196 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3478 conditions, 2342 events. 290/2342 cut-off events. For 290/300 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 20609 event pairs, 180 based on Foata normal form. 0/2197 useless extension candidates. Maximal degree in co-relation 3320. Up to 556 conditions per place. [2022-11-21 09:12:26,204 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 42 selfloop transitions, 2 changer transitions 0/334 dead transitions. [2022-11-21 09:12:26,204 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 334 transitions, 906 flow [2022-11-21 09:12:26,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:12:26,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:12:26,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1154 transitions. [2022-11-21 09:12:26,208 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8842911877394636 [2022-11-21 09:12:26,208 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1154 transitions. [2022-11-21 09:12:26,208 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1154 transitions. [2022-11-21 09:12:26,209 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:12:26,209 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1154 transitions. [2022-11-21 09:12:26,211 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 384.6666666666667) internal successors, (1154), 3 states have internal predecessors, (1154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:26,214 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:26,214 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:26,215 INFO L175 Difference]: Start difference. First operand has 340 places, 332 transitions, 811 flow. Second operand 3 states and 1154 transitions. [2022-11-21 09:12:26,215 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 341 places, 334 transitions, 906 flow [2022-11-21 09:12:26,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 339 places, 334 transitions, 902 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:12:26,224 INFO L231 Difference]: Finished difference. Result has 339 places, 331 transitions, 809 flow [2022-11-21 09:12:26,225 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=805, PETRI_DIFFERENCE_MINUEND_PLACES=337, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=331, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=329, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=809, PETRI_PLACES=339, PETRI_TRANSITIONS=331} [2022-11-21 09:12:26,225 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -68 predicate places. [2022-11-21 09:12:26,225 INFO L495 AbstractCegarLoop]: Abstraction has has 339 places, 331 transitions, 809 flow [2022-11-21 09:12:26,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 379.0) internal successors, (1137), 3 states have internal predecessors, (1137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:26,226 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:12:26,226 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] [2022-11-21 09:12:26,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-21 09:12:26,227 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting thread3Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-21 09:12:26,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:12:26,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1736504001, now seen corresponding path program 1 times [2022-11-21 09:12:26,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:12:26,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492106767] [2022-11-21 09:12:26,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:12:26,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:12:26,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:12:26,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:12:26,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:12:26,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492106767] [2022-11-21 09:12:26,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492106767] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:12:26,272 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:12:26,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:12:26,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616698552] [2022-11-21 09:12:26,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:12:26,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:12:26,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:12:26,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:12:26,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:12:26,275 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 435 [2022-11-21 09:12:26,276 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 339 places, 331 transitions, 809 flow. Second operand has 3 states, 3 states have (on average 377.6666666666667) internal successors, (1133), 3 states have internal predecessors, (1133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:26,276 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:12:26,276 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 435 [2022-11-21 09:12:26,276 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:12:26,952 INFO L130 PetriNetUnfolder]: 420/2768 cut-off events. [2022-11-21 09:12:26,952 INFO L131 PetriNetUnfolder]: For 268/292 co-relation queries the response was YES. [2022-11-21 09:12:26,985 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4404 conditions, 2768 events. 420/2768 cut-off events. For 268/292 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 25893 event pairs, 281 based on Foata normal form. 0/2626 useless extension candidates. Maximal degree in co-relation 4177. Up to 786 conditions per place. [2022-11-21 09:12:26,998 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 44 selfloop transitions, 2 changer transitions 0/333 dead transitions. [2022-11-21 09:12:26,998 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 333 transitions, 908 flow [2022-11-21 09:12:26,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:12:26,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:12:27,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1146 transitions. [2022-11-21 09:12:27,000 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8781609195402299 [2022-11-21 09:12:27,000 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1146 transitions. [2022-11-21 09:12:27,001 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1146 transitions. [2022-11-21 09:12:27,001 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:12:27,001 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1146 transitions. [2022-11-21 09:12:27,003 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 382.0) internal successors, (1146), 3 states have internal predecessors, (1146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:27,004 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:27,004 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:27,005 INFO L175 Difference]: Start difference. First operand has 339 places, 331 transitions, 809 flow. Second operand 3 states and 1146 transitions. [2022-11-21 09:12:27,005 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 333 transitions, 908 flow [2022-11-21 09:12:27,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 338 places, 333 transitions, 904 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:12:27,015 INFO L231 Difference]: Finished difference. Result has 338 places, 330 transitions, 807 flow [2022-11-21 09:12:27,016 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=803, PETRI_DIFFERENCE_MINUEND_PLACES=336, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=330, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=328, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=807, PETRI_PLACES=338, PETRI_TRANSITIONS=330} [2022-11-21 09:12:27,016 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -69 predicate places. [2022-11-21 09:12:27,016 INFO L495 AbstractCegarLoop]: Abstraction has has 338 places, 330 transitions, 807 flow [2022-11-21 09:12:27,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 377.6666666666667) internal successors, (1133), 3 states have internal predecessors, (1133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:27,017 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:12:27,017 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] [2022-11-21 09:12:27,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-21 09:12:27,018 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-21 09:12:27,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:12:27,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1183719220, now seen corresponding path program 1 times [2022-11-21 09:12:27,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:12:27,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710119968] [2022-11-21 09:12:27,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:12:27,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:12:27,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:12:27,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:12:27,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:12:27,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710119968] [2022-11-21 09:12:27,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710119968] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:12:27,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:12:27,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 09:12:27,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732776764] [2022-11-21 09:12:27,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:12:27,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 09:12:27,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:12:27,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 09:12:27,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 09:12:27,611 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 390 out of 435 [2022-11-21 09:12:27,613 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 338 places, 330 transitions, 807 flow. Second operand has 6 states, 6 states have (on average 394.1666666666667) internal successors, (2365), 6 states have internal predecessors, (2365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:27,614 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:12:27,614 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 390 of 435 [2022-11-21 09:12:27,614 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:12:28,045 INFO L130 PetriNetUnfolder]: 88/1706 cut-off events. [2022-11-21 09:12:28,045 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-21 09:12:28,063 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2262 conditions, 1706 events. 88/1706 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 12972 event pairs, 8 based on Foata normal form. 0/1622 useless extension candidates. Maximal degree in co-relation 2160. Up to 109 conditions per place. [2022-11-21 09:12:28,067 INFO L137 encePairwiseOnDemand]: 430/435 looper letters, 28 selfloop transitions, 4 changer transitions 0/329 dead transitions. [2022-11-21 09:12:28,067 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 342 places, 329 transitions, 869 flow [2022-11-21 09:12:28,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 09:12:28,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 09:12:28,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2373 transitions. [2022-11-21 09:12:28,074 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9091954022988505 [2022-11-21 09:12:28,074 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2373 transitions. [2022-11-21 09:12:28,074 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2373 transitions. [2022-11-21 09:12:28,075 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:12:28,076 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2373 transitions. [2022-11-21 09:12:28,079 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 395.5) internal successors, (2373), 6 states have internal predecessors, (2373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:28,083 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 435.0) internal successors, (3045), 7 states have internal predecessors, (3045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:28,084 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 435.0) internal successors, (3045), 7 states have internal predecessors, (3045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:28,084 INFO L175 Difference]: Start difference. First operand has 338 places, 330 transitions, 807 flow. Second operand 6 states and 2373 transitions. [2022-11-21 09:12:28,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 342 places, 329 transitions, 869 flow [2022-11-21 09:12:28,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 329 transitions, 865 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:12:28,092 INFO L231 Difference]: Finished difference. Result has 340 places, 329 transitions, 809 flow [2022-11-21 09:12:28,093 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=801, PETRI_DIFFERENCE_MINUEND_PLACES=335, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=329, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=325, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=809, PETRI_PLACES=340, PETRI_TRANSITIONS=329} [2022-11-21 09:12:28,094 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -67 predicate places. [2022-11-21 09:12:28,094 INFO L495 AbstractCegarLoop]: Abstraction has has 340 places, 329 transitions, 809 flow [2022-11-21 09:12:28,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 394.1666666666667) internal successors, (2365), 6 states have internal predecessors, (2365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:28,095 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:12:28,095 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] [2022-11-21 09:12:28,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-21 09:12:28,095 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting thread4Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-21 09:12:28,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:12:28,096 INFO L85 PathProgramCache]: Analyzing trace with hash -187809518, now seen corresponding path program 1 times [2022-11-21 09:12:28,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:12:28,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660254155] [2022-11-21 09:12:28,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:12:28,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:12:28,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:12:28,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:12:28,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:12:28,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660254155] [2022-11-21 09:12:28,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660254155] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:12:28,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:12:28,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:12:28,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093064119] [2022-11-21 09:12:28,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:12:28,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:12:28,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:12:28,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:12:28,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:12:28,144 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 435 [2022-11-21 09:12:28,145 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 340 places, 329 transitions, 809 flow. Second operand has 3 states, 3 states have (on average 381.0) internal successors, (1143), 3 states have internal predecessors, (1143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:28,145 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:12:28,146 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 435 [2022-11-21 09:12:28,146 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:12:28,662 INFO L130 PetriNetUnfolder]: 280/2301 cut-off events. [2022-11-21 09:12:28,663 INFO L131 PetriNetUnfolder]: For 274/284 co-relation queries the response was YES. [2022-11-21 09:12:28,687 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3418 conditions, 2301 events. 280/2301 cut-off events. For 274/284 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 20089 event pairs, 168 based on Foata normal form. 0/2187 useless extension candidates. Maximal degree in co-relation 3130. Up to 533 conditions per place. [2022-11-21 09:12:28,693 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 41 selfloop transitions, 2 changer transitions 0/331 dead transitions. [2022-11-21 09:12:28,693 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 331 transitions, 902 flow [2022-11-21 09:12:28,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:12:28,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:12:28,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1153 transitions. [2022-11-21 09:12:28,697 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8835249042145594 [2022-11-21 09:12:28,697 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1153 transitions. [2022-11-21 09:12:28,697 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1153 transitions. [2022-11-21 09:12:28,697 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:12:28,697 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1153 transitions. [2022-11-21 09:12:28,698 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 384.3333333333333) internal successors, (1153), 3 states have internal predecessors, (1153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:28,700 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:28,700 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:28,700 INFO L175 Difference]: Start difference. First operand has 340 places, 329 transitions, 809 flow. Second operand 3 states and 1153 transitions. [2022-11-21 09:12:28,701 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 341 places, 331 transitions, 902 flow [2022-11-21 09:12:28,704 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 331 transitions, 895 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-21 09:12:28,708 INFO L231 Difference]: Finished difference. Result has 337 places, 328 transitions, 804 flow [2022-11-21 09:12:28,709 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=800, PETRI_DIFFERENCE_MINUEND_PLACES=335, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=328, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=326, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=804, PETRI_PLACES=337, PETRI_TRANSITIONS=328} [2022-11-21 09:12:28,709 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -70 predicate places. [2022-11-21 09:12:28,709 INFO L495 AbstractCegarLoop]: Abstraction has has 337 places, 328 transitions, 804 flow [2022-11-21 09:12:28,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 381.0) internal successors, (1143), 3 states have internal predecessors, (1143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:28,710 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:12:28,710 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] [2022-11-21 09:12:28,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-21 09:12:28,710 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-21 09:12:28,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:12:28,711 INFO L85 PathProgramCache]: Analyzing trace with hash 80939958, now seen corresponding path program 1 times [2022-11-21 09:12:28,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:12:28,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030106480] [2022-11-21 09:12:28,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:12:28,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:12:28,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:12:29,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:12:29,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:12:29,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030106480] [2022-11-21 09:12:29,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030106480] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:12:29,259 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:12:29,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 09:12:29,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045034850] [2022-11-21 09:12:29,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:12:29,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 09:12:29,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:12:29,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 09:12:29,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 09:12:29,263 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 390 out of 435 [2022-11-21 09:12:29,265 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 337 places, 328 transitions, 804 flow. Second operand has 6 states, 6 states have (on average 395.1666666666667) internal successors, (2371), 6 states have internal predecessors, (2371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:29,265 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:12:29,265 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 390 of 435 [2022-11-21 09:12:29,265 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:12:29,735 INFO L130 PetriNetUnfolder]: 88/1696 cut-off events. [2022-11-21 09:12:29,735 INFO L131 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2022-11-21 09:12:29,761 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2248 conditions, 1696 events. 88/1696 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 12902 event pairs, 8 based on Foata normal form. 0/1622 useless extension candidates. Maximal degree in co-relation 2149. Up to 109 conditions per place. [2022-11-21 09:12:29,762 INFO L137 encePairwiseOnDemand]: 430/435 looper letters, 0 selfloop transitions, 0 changer transitions 327/327 dead transitions. [2022-11-21 09:12:29,762 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 327 transitions, 864 flow [2022-11-21 09:12:29,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 09:12:29,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 09:12:29,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2372 transitions. [2022-11-21 09:12:29,765 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9088122605363985 [2022-11-21 09:12:29,766 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2372 transitions. [2022-11-21 09:12:29,766 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2372 transitions. [2022-11-21 09:12:29,767 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:12:29,767 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2372 transitions. [2022-11-21 09:12:29,770 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 395.3333333333333) internal successors, (2372), 6 states have internal predecessors, (2372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:29,774 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 435.0) internal successors, (3045), 7 states have internal predecessors, (3045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:29,774 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 435.0) internal successors, (3045), 7 states have internal predecessors, (3045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:29,775 INFO L175 Difference]: Start difference. First operand has 337 places, 328 transitions, 804 flow. Second operand 6 states and 2372 transitions. [2022-11-21 09:12:29,775 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 341 places, 327 transitions, 864 flow [2022-11-21 09:12:29,778 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 339 places, 327 transitions, 860 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:12:29,780 INFO L231 Difference]: Finished difference. Result has 339 places, 0 transitions, 0 flow [2022-11-21 09:12:29,781 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=798, PETRI_DIFFERENCE_MINUEND_PLACES=334, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=327, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=327, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=339, PETRI_TRANSITIONS=0} [2022-11-21 09:12:29,781 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -68 predicate places. [2022-11-21 09:12:29,782 INFO L495 AbstractCegarLoop]: Abstraction has has 339 places, 0 transitions, 0 flow [2022-11-21 09:12:29,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 395.1666666666667) internal successors, (2371), 6 states have internal predecessors, (2371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:29,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (134 of 135 remaining) [2022-11-21 09:12:29,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (133 of 135 remaining) [2022-11-21 09:12:29,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (132 of 135 remaining) [2022-11-21 09:12:29,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (131 of 135 remaining) [2022-11-21 09:12:29,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (130 of 135 remaining) [2022-11-21 09:12:29,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (129 of 135 remaining) [2022-11-21 09:12:29,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (128 of 135 remaining) [2022-11-21 09:12:29,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (127 of 135 remaining) [2022-11-21 09:12:29,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (126 of 135 remaining) [2022-11-21 09:12:29,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (125 of 135 remaining) [2022-11-21 09:12:29,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (124 of 135 remaining) [2022-11-21 09:12:29,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (123 of 135 remaining) [2022-11-21 09:12:29,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (122 of 135 remaining) [2022-11-21 09:12:29,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (121 of 135 remaining) [2022-11-21 09:12:29,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (120 of 135 remaining) [2022-11-21 09:12:29,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (119 of 135 remaining) [2022-11-21 09:12:29,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (118 of 135 remaining) [2022-11-21 09:12:29,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (117 of 135 remaining) [2022-11-21 09:12:29,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (116 of 135 remaining) [2022-11-21 09:12:29,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (115 of 135 remaining) [2022-11-21 09:12:29,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (114 of 135 remaining) [2022-11-21 09:12:29,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (113 of 135 remaining) [2022-11-21 09:12:29,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (112 of 135 remaining) [2022-11-21 09:12:29,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (111 of 135 remaining) [2022-11-21 09:12:29,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (110 of 135 remaining) [2022-11-21 09:12:29,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (109 of 135 remaining) [2022-11-21 09:12:29,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (108 of 135 remaining) [2022-11-21 09:12:29,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (107 of 135 remaining) [2022-11-21 09:12:29,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (106 of 135 remaining) [2022-11-21 09:12:29,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (105 of 135 remaining) [2022-11-21 09:12:29,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (104 of 135 remaining) [2022-11-21 09:12:29,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (103 of 135 remaining) [2022-11-21 09:12:29,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (102 of 135 remaining) [2022-11-21 09:12:29,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (101 of 135 remaining) [2022-11-21 09:12:29,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (100 of 135 remaining) [2022-11-21 09:12:29,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (99 of 135 remaining) [2022-11-21 09:12:29,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (98 of 135 remaining) [2022-11-21 09:12:29,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (97 of 135 remaining) [2022-11-21 09:12:29,794 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (96 of 135 remaining) [2022-11-21 09:12:29,794 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (95 of 135 remaining) [2022-11-21 09:12:29,794 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (94 of 135 remaining) [2022-11-21 09:12:29,794 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (93 of 135 remaining) [2022-11-21 09:12:29,794 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (92 of 135 remaining) [2022-11-21 09:12:29,794 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (91 of 135 remaining) [2022-11-21 09:12:29,795 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (90 of 135 remaining) [2022-11-21 09:12:29,795 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (89 of 135 remaining) [2022-11-21 09:12:29,795 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (88 of 135 remaining) [2022-11-21 09:12:29,795 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (87 of 135 remaining) [2022-11-21 09:12:29,795 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (86 of 135 remaining) [2022-11-21 09:12:29,796 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (85 of 135 remaining) [2022-11-21 09:12:29,796 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (84 of 135 remaining) [2022-11-21 09:12:29,796 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (83 of 135 remaining) [2022-11-21 09:12:29,796 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (82 of 135 remaining) [2022-11-21 09:12:29,796 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (81 of 135 remaining) [2022-11-21 09:12:29,797 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (80 of 135 remaining) [2022-11-21 09:12:29,797 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (79 of 135 remaining) [2022-11-21 09:12:29,797 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (78 of 135 remaining) [2022-11-21 09:12:29,797 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (77 of 135 remaining) [2022-11-21 09:12:29,797 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (76 of 135 remaining) [2022-11-21 09:12:29,797 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (75 of 135 remaining) [2022-11-21 09:12:29,798 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (74 of 135 remaining) [2022-11-21 09:12:29,798 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (73 of 135 remaining) [2022-11-21 09:12:29,798 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (72 of 135 remaining) [2022-11-21 09:12:29,798 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (71 of 135 remaining) [2022-11-21 09:12:29,798 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (70 of 135 remaining) [2022-11-21 09:12:29,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (69 of 135 remaining) [2022-11-21 09:12:29,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (68 of 135 remaining) [2022-11-21 09:12:29,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (67 of 135 remaining) [2022-11-21 09:12:29,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (66 of 135 remaining) [2022-11-21 09:12:29,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (65 of 135 remaining) [2022-11-21 09:12:29,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (64 of 135 remaining) [2022-11-21 09:12:29,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (63 of 135 remaining) [2022-11-21 09:12:29,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (62 of 135 remaining) [2022-11-21 09:12:29,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (61 of 135 remaining) [2022-11-21 09:12:29,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (60 of 135 remaining) [2022-11-21 09:12:29,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (59 of 135 remaining) [2022-11-21 09:12:29,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (58 of 135 remaining) [2022-11-21 09:12:29,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (57 of 135 remaining) [2022-11-21 09:12:29,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (56 of 135 remaining) [2022-11-21 09:12:29,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (55 of 135 remaining) [2022-11-21 09:12:29,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (54 of 135 remaining) [2022-11-21 09:12:29,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (53 of 135 remaining) [2022-11-21 09:12:29,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (52 of 135 remaining) [2022-11-21 09:12:29,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (51 of 135 remaining) [2022-11-21 09:12:29,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (50 of 135 remaining) [2022-11-21 09:12:29,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (49 of 135 remaining) [2022-11-21 09:12:29,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (48 of 135 remaining) [2022-11-21 09:12:29,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (47 of 135 remaining) [2022-11-21 09:12:29,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (46 of 135 remaining) [2022-11-21 09:12:29,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (45 of 135 remaining) [2022-11-21 09:12:29,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (44 of 135 remaining) [2022-11-21 09:12:29,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (43 of 135 remaining) [2022-11-21 09:12:29,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (42 of 135 remaining) [2022-11-21 09:12:29,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (41 of 135 remaining) [2022-11-21 09:12:29,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (40 of 135 remaining) [2022-11-21 09:12:29,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (39 of 135 remaining) [2022-11-21 09:12:29,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (38 of 135 remaining) [2022-11-21 09:12:29,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (37 of 135 remaining) [2022-11-21 09:12:29,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (36 of 135 remaining) [2022-11-21 09:12:29,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (35 of 135 remaining) [2022-11-21 09:12:29,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (34 of 135 remaining) [2022-11-21 09:12:29,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (33 of 135 remaining) [2022-11-21 09:12:29,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (32 of 135 remaining) [2022-11-21 09:12:29,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (31 of 135 remaining) [2022-11-21 09:12:29,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (30 of 135 remaining) [2022-11-21 09:12:29,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (29 of 135 remaining) [2022-11-21 09:12:29,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (28 of 135 remaining) [2022-11-21 09:12:29,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (27 of 135 remaining) [2022-11-21 09:12:29,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (26 of 135 remaining) [2022-11-21 09:12:29,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (25 of 135 remaining) [2022-11-21 09:12:29,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (24 of 135 remaining) [2022-11-21 09:12:29,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (23 of 135 remaining) [2022-11-21 09:12:29,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (22 of 135 remaining) [2022-11-21 09:12:29,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (21 of 135 remaining) [2022-11-21 09:12:29,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (20 of 135 remaining) [2022-11-21 09:12:29,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (19 of 135 remaining) [2022-11-21 09:12:29,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (18 of 135 remaining) [2022-11-21 09:12:29,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (17 of 135 remaining) [2022-11-21 09:12:29,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (16 of 135 remaining) [2022-11-21 09:12:29,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (15 of 135 remaining) [2022-11-21 09:12:29,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (14 of 135 remaining) [2022-11-21 09:12:29,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (13 of 135 remaining) [2022-11-21 09:12:29,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (12 of 135 remaining) [2022-11-21 09:12:29,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (11 of 135 remaining) [2022-11-21 09:12:29,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (10 of 135 remaining) [2022-11-21 09:12:29,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (9 of 135 remaining) [2022-11-21 09:12:29,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (8 of 135 remaining) [2022-11-21 09:12:29,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (7 of 135 remaining) [2022-11-21 09:12:29,811 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (6 of 135 remaining) [2022-11-21 09:12:29,811 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (5 of 135 remaining) [2022-11-21 09:12:29,811 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (4 of 135 remaining) [2022-11-21 09:12:29,811 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (3 of 135 remaining) [2022-11-21 09:12:29,811 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (2 of 135 remaining) [2022-11-21 09:12:29,812 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (1 of 135 remaining) [2022-11-21 09:12:29,812 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (0 of 135 remaining) [2022-11-21 09:12:29,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-11-21 09:12:29,812 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] [2022-11-21 09:12:29,820 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-21 09:12:29,820 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 09:12:29,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 09:12:29 BasicIcfg [2022-11-21 09:12:29,826 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 09:12:29,827 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 09:12:29,827 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 09:12:29,827 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 09:12:29,828 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:12:01" (3/4) ... [2022-11-21 09:12:29,831 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 09:12:29,838 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-21 09:12:29,838 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-21 09:12:29,838 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-21 09:12:29,838 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2022-11-21 09:12:29,844 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2022-11-21 09:12:29,845 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 09:12:29,845 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 09:12:29,845 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 09:12:29,887 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9217b5-f39f-46e9-8b4e-51964695b527/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 09:12:29,887 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 09:12:29,888 INFO L158 Benchmark]: Toolchain (without parser) took 29767.55ms. Allocated memory was 144.7MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 113.6MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 202.3MB. Max. memory is 16.1GB. [2022-11-21 09:12:29,888 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 144.7MB. Free memory is still 88.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 09:12:29,888 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.01ms. Allocated memory is still 144.7MB. Free memory was 113.6MB in the beginning and 100.9MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 09:12:29,889 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.95ms. Allocated memory is still 144.7MB. Free memory was 100.9MB in the beginning and 98.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 09:12:29,889 INFO L158 Benchmark]: Boogie Preprocessor took 36.68ms. Allocated memory is still 144.7MB. Free memory was 98.8MB in the beginning and 96.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 09:12:29,889 INFO L158 Benchmark]: RCFGBuilder took 1079.21ms. Allocated memory is still 144.7MB. Free memory was 96.7MB in the beginning and 68.3MB in the end (delta: 28.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-21 09:12:29,890 INFO L158 Benchmark]: TraceAbstraction took 28253.56ms. Allocated memory was 144.7MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 67.4MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2022-11-21 09:12:29,890 INFO L158 Benchmark]: Witness Printer took 60.50ms. Allocated memory is still 1.6GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 09:12:29,892 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 144.7MB. Free memory is still 88.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 271.01ms. Allocated memory is still 144.7MB. Free memory was 113.6MB in the beginning and 100.9MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.95ms. Allocated memory is still 144.7MB. Free memory was 100.9MB in the beginning and 98.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.68ms. Allocated memory is still 144.7MB. Free memory was 98.8MB in the beginning and 96.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1079.21ms. Allocated memory is still 144.7MB. Free memory was 96.7MB in the beginning and 68.3MB in the end (delta: 28.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 28253.56ms. Allocated memory was 144.7MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 67.4MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. * Witness Printer took 60.50ms. Allocated memory is still 1.6GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 658 locations, 135 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: 27.9s, OverallIterations: 31, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 23.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 232 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 232 mSDsluCounter, 936 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 187 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1564 IncrementalHoareTripleChecker+Invalid, 1751 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 187 mSolverCounterUnsat, 927 mSDtfsCounter, 1564 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=838occurred in iteration=9, InterpolantAutomatonStates: 107, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 2803 NumberOfCodeBlocks, 2803 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 2772 ConstructedInterpolants, 0 QuantifiedInterpolants, 3150 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 31 InterpolantComputations, 31 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 75 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-21 09:12:29,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9217b5-f39f-46e9-8b4e-51964695b527/bin/uautomizer-vX5HgA9Q3a/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