./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_04-list2_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68090099-f00f-473f-a74c-1ef84426c7cb/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68090099-f00f-473f-a74c-1ef84426c7cb/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68090099-f00f-473f-a74c-1ef84426c7cb/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68090099-f00f-473f-a74c-1ef84426c7cb/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_04-list2_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68090099-f00f-473f-a74c-1ef84426c7cb/bin/uautomizer-DrprNOufMa/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68090099-f00f-473f-a74c-1ef84426c7cb/bin/uautomizer-DrprNOufMa --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 22e95fa30ebde8538537e9926c639bef97cab57433fef0bd6d73df06023fa7d1 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 00:07:38,316 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 00:07:38,318 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 00:07:38,349 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 00:07:38,349 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 00:07:38,350 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 00:07:38,352 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 00:07:38,354 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 00:07:38,356 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 00:07:38,357 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 00:07:38,359 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 00:07:38,360 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 00:07:38,360 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 00:07:38,362 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 00:07:38,363 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 00:07:38,365 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 00:07:38,366 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 00:07:38,367 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 00:07:38,369 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 00:07:38,371 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 00:07:38,373 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 00:07:38,375 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 00:07:38,376 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 00:07:38,377 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 00:07:38,381 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 00:07:38,381 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 00:07:38,381 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 00:07:38,383 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 00:07:38,383 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 00:07:38,384 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 00:07:38,385 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 00:07:38,386 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 00:07:38,386 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 00:07:38,387 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 00:07:38,388 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 00:07:38,388 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 00:07:38,388 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 00:07:38,389 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 00:07:38,389 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 00:07:38,389 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 00:07:38,390 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 00:07:38,390 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68090099-f00f-473f-a74c-1ef84426c7cb/bin/uautomizer-DrprNOufMa/config/svcomp-DataRace-32bit-Automizer_Default.epf [2021-12-07 00:07:38,408 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 00:07:38,408 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 00:07:38,408 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 00:07:38,408 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 00:07:38,409 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 00:07:38,409 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 00:07:38,409 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 00:07:38,409 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 00:07:38,409 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 00:07:38,410 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 00:07:38,410 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 00:07:38,410 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-07 00:07:38,410 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 00:07:38,410 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 00:07:38,410 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 00:07:38,410 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 00:07:38,411 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 00:07:38,411 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 00:07:38,411 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-12-07 00:07:38,411 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 00:07:38,411 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 00:07:38,411 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 00:07:38,411 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 00:07:38,411 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 00:07:38,412 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 00:07:38,412 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 00:07:38,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:07:38,412 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 00:07:38,412 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 00:07:38,412 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 00:07:38,412 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 00:07:38,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 00:07:38,413 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 00:07:38,413 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 00:07:38,413 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 00:07:38,413 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 00:07:38,413 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_68090099-f00f-473f-a74c-1ef84426c7cb/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68090099-f00f-473f-a74c-1ef84426c7cb/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22e95fa30ebde8538537e9926c639bef97cab57433fef0bd6d73df06023fa7d1 [2021-12-07 00:07:38,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 00:07:38,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 00:07:38,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 00:07:38,602 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 00:07:38,603 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 00:07:38,604 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68090099-f00f-473f-a74c-1ef84426c7cb/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/goblint-regression/09-regions_04-list2_nr.i [2021-12-07 00:07:38,644 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68090099-f00f-473f-a74c-1ef84426c7cb/bin/uautomizer-DrprNOufMa/data/c2b4483bb/c69dfbf20f5e4b469295befc453de50a/FLAG47b9d67a4 [2021-12-07 00:07:39,092 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 00:07:39,092 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68090099-f00f-473f-a74c-1ef84426c7cb/sv-benchmarks/c/goblint-regression/09-regions_04-list2_nr.i [2021-12-07 00:07:39,105 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68090099-f00f-473f-a74c-1ef84426c7cb/bin/uautomizer-DrprNOufMa/data/c2b4483bb/c69dfbf20f5e4b469295befc453de50a/FLAG47b9d67a4 [2021-12-07 00:07:39,425 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68090099-f00f-473f-a74c-1ef84426c7cb/bin/uautomizer-DrprNOufMa/data/c2b4483bb/c69dfbf20f5e4b469295befc453de50a [2021-12-07 00:07:39,427 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 00:07:39,428 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 00:07:39,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 00:07:39,429 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 00:07:39,432 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 00:07:39,432 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:07:39" (1/1) ... [2021-12-07 00:07:39,433 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ae5e5bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:07:39, skipping insertion in model container [2021-12-07 00:07:39,433 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:07:39" (1/1) ... [2021-12-07 00:07:39,438 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 00:07:39,474 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 00:07:39,829 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:07:39,838 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 00:07:39,879 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:07:39,938 INFO L208 MainTranslator]: Completed translation [2021-12-07 00:07:39,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:07:39 WrapperNode [2021-12-07 00:07:39,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 00:07:39,939 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 00:07:39,940 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 00:07:39,940 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 00:07:39,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:07:39" (1/1) ... [2021-12-07 00:07:39,964 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:07:39" (1/1) ... [2021-12-07 00:07:39,989 INFO L137 Inliner]: procedures = 368, calls = 55, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 206 [2021-12-07 00:07:39,990 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 00:07:39,990 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 00:07:39,990 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 00:07:39,990 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 00:07:39,997 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:07:39" (1/1) ... [2021-12-07 00:07:39,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:07:39" (1/1) ... [2021-12-07 00:07:40,003 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:07:39" (1/1) ... [2021-12-07 00:07:40,003 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:07:39" (1/1) ... [2021-12-07 00:07:40,021 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:07:39" (1/1) ... [2021-12-07 00:07:40,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:07:39" (1/1) ... [2021-12-07 00:07:40,025 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:07:39" (1/1) ... [2021-12-07 00:07:40,029 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 00:07:40,030 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 00:07:40,030 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 00:07:40,030 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 00:07:40,031 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:07:39" (1/1) ... [2021-12-07 00:07:40,036 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:07:40,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68090099-f00f-473f-a74c-1ef84426c7cb/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:07:40,055 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68090099-f00f-473f-a74c-1ef84426c7cb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 00:07:40,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68090099-f00f-473f-a74c-1ef84426c7cb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 00:07:40,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 00:07:40,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-07 00:07:40,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 00:07:40,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-07 00:07:40,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 00:07:40,086 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-12-07 00:07:40,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-07 00:07:40,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 00:07:40,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-07 00:07:40,087 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-12-07 00:07:40,087 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-12-07 00:07:40,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 00:07:40,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 00:07:40,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 00:07:40,088 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-07 00:07:40,195 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 00:07:40,196 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 00:07:40,519 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 00:07:40,530 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 00:07:40,530 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-07 00:07:40,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:07:40 BoogieIcfgContainer [2021-12-07 00:07:40,533 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 00:07:40,534 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 00:07:40,534 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 00:07:40,537 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 00:07:40,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:07:39" (1/3) ... [2021-12-07 00:07:40,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40b7c639 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:07:40, skipping insertion in model container [2021-12-07 00:07:40,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:07:39" (2/3) ... [2021-12-07 00:07:40,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40b7c639 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:07:40, skipping insertion in model container [2021-12-07 00:07:40,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:07:40" (3/3) ... [2021-12-07 00:07:40,539 INFO L111 eAbstractionObserver]: Analyzing ICFG 09-regions_04-list2_nr.i [2021-12-07 00:07:40,544 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-07 00:07:40,545 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 00:07:40,545 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2021-12-07 00:07:40,545 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-07 00:07:40,580 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,580 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,580 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,581 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,581 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,581 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,583 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,583 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,583 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,583 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,587 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,587 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,587 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,587 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,587 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,587 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,594 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,594 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,594 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,594 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,594 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,594 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,595 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,595 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,595 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,595 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,595 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,595 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,596 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,596 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,596 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,596 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,596 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,596 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,596 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,597 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,597 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,597 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,597 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,597 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,597 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,598 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,598 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,598 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,598 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,598 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,598 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,599 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,599 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,599 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,599 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,599 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,601 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,601 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,601 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,601 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,601 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,601 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,601 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,602 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,602 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,602 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,602 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,602 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,602 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,602 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,603 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,603 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,603 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,603 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,603 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,603 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,606 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,606 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,606 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,606 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,606 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,606 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,606 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,607 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,607 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,607 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,607 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,607 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,607 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,607 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,607 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,608 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,608 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,608 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,608 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,608 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,608 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,608 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,609 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,609 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,609 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,609 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,609 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,609 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,609 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,609 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,610 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,610 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,610 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,610 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,610 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,610 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,610 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,611 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,611 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,611 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,611 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,611 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,611 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,611 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,612 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,615 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,615 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,615 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,615 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,615 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,615 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,616 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,616 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,616 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,616 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,616 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,616 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,616 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,617 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,617 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,617 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:07:40,619 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-12-07 00:07:40,661 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 00:07:40,668 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-07 00:07:40,668 INFO L340 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2021-12-07 00:07:40,683 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 317 places, 313 transitions, 631 flow [2021-12-07 00:07:40,778 INFO L129 PetriNetUnfolder]: 0/312 cut-off events. [2021-12-07 00:07:40,778 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-07 00:07:40,780 INFO L84 FinitePrefix]: Finished finitePrefix Result has 316 conditions, 312 events. 0/312 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 157 event pairs, 0 based on Foata normal form. 0/282 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2021-12-07 00:07:40,780 INFO L82 GeneralOperation]: Start removeDead. Operand has 317 places, 313 transitions, 631 flow [2021-12-07 00:07:40,786 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 316 places, 312 transitions, 627 flow [2021-12-07 00:07:40,792 INFO L129 PetriNetUnfolder]: 0/49 cut-off events. [2021-12-07 00:07:40,793 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-07 00:07:40,793 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:07:40,793 INFO L254 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] [2021-12-07 00:07:40,794 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-12-07 00:07:40,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:07:40,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1579257422, now seen corresponding path program 1 times [2021-12-07 00:07:40,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:07:40,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637297944] [2021-12-07 00:07:40,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:40,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:07:40,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:41,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:07:41,075 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:07:41,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637297944] [2021-12-07 00:07:41,075 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637297944] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:07:41,075 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:07:41,075 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 00:07:41,076 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88301569] [2021-12-07 00:07:41,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:07:41,083 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:07:41,083 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:07:41,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:07:41,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:07:41,108 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 313 [2021-12-07 00:07:41,113 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 312 transitions, 627 flow. Second operand has 6 states, 6 states have (on average 169.5) internal successors, (1017), 6 states have internal predecessors, (1017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:41,113 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:07:41,114 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 313 [2021-12-07 00:07:41,115 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:07:41,765 INFO L129 PetriNetUnfolder]: 864/2873 cut-off events. [2021-12-07 00:07:41,765 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-12-07 00:07:41,771 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4747 conditions, 2873 events. 864/2873 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 17974 event pairs, 864 based on Foata normal form. 0/2510 useless extension candidates. Maximal degree in co-relation 4478. Up to 1850 conditions per place. [2021-12-07 00:07:41,784 INFO L132 encePairwiseOnDemand]: 289/313 looper letters, 121 selfloop transitions, 20 changer transitions 0/308 dead transitions. [2021-12-07 00:07:41,784 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 308 transitions, 901 flow [2021-12-07 00:07:41,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 00:07:41,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-07 00:07:41,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1153 transitions. [2021-12-07 00:07:41,812 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.61395101171459 [2021-12-07 00:07:41,813 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1153 transitions. [2021-12-07 00:07:41,813 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1153 transitions. [2021-12-07 00:07:41,816 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:07:41,818 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1153 transitions. [2021-12-07 00:07:41,823 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 192.16666666666666) internal successors, (1153), 6 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) [2021-12-07 00:07:41,832 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:41,834 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:41,835 INFO L186 Difference]: Start difference. First operand has 316 places, 312 transitions, 627 flow. Second operand 6 states and 1153 transitions. [2021-12-07 00:07:41,836 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 317 places, 308 transitions, 901 flow [2021-12-07 00:07:41,841 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 308 transitions, 900 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-07 00:07:41,848 INFO L242 Difference]: Finished difference. Result has 316 places, 308 transitions, 658 flow [2021-12-07 00:07:41,850 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=618, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=658, PETRI_PLACES=316, PETRI_TRANSITIONS=308} [2021-12-07 00:07:41,852 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 0 predicate places. [2021-12-07 00:07:41,853 INFO L470 AbstractCegarLoop]: Abstraction has has 316 places, 308 transitions, 658 flow [2021-12-07 00:07:41,853 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 169.5) internal successors, (1017), 6 states have internal predecessors, (1017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:41,853 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:07:41,854 INFO L254 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] [2021-12-07 00:07:41,854 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 00:07:41,854 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-12-07 00:07:41,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:07:41,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1485619206, now seen corresponding path program 1 times [2021-12-07 00:07:41,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:07:41,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112834843] [2021-12-07 00:07:41,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:41,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:07:41,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:41,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:07:41,965 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:07:41,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112834843] [2021-12-07 00:07:41,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112834843] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:07:41,966 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:07:41,966 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 00:07:41,966 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102130217] [2021-12-07 00:07:41,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:07:41,967 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:07:41,968 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:07:41,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:07:41,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:07:41,972 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 313 [2021-12-07 00:07:41,973 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 308 transitions, 658 flow. Second operand has 6 states, 6 states have (on average 170.5) internal successors, (1023), 6 states have internal predecessors, (1023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:41,974 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:07:41,974 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 313 [2021-12-07 00:07:41,974 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:07:42,626 INFO L129 PetriNetUnfolder]: 864/2869 cut-off events. [2021-12-07 00:07:42,626 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-12-07 00:07:42,629 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4759 conditions, 2869 events. 864/2869 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 17967 event pairs, 864 based on Foata normal form. 0/2510 useless extension candidates. Maximal degree in co-relation 4520. Up to 1846 conditions per place. [2021-12-07 00:07:42,639 INFO L132 encePairwiseOnDemand]: 289/313 looper letters, 117 selfloop transitions, 20 changer transitions 0/304 dead transitions. [2021-12-07 00:07:42,639 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 304 transitions, 924 flow [2021-12-07 00:07:42,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 00:07:42,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-07 00:07:42,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1149 transitions. [2021-12-07 00:07:42,643 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6118210862619808 [2021-12-07 00:07:42,643 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1149 transitions. [2021-12-07 00:07:42,643 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1149 transitions. [2021-12-07 00:07:42,644 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:07:42,644 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1149 transitions. [2021-12-07 00:07:42,646 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 191.5) internal successors, (1149), 6 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) [2021-12-07 00:07:42,650 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:42,651 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:42,651 INFO L186 Difference]: Start difference. First operand has 316 places, 308 transitions, 658 flow. Second operand 6 states and 1149 transitions. [2021-12-07 00:07:42,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 317 places, 304 transitions, 924 flow [2021-12-07 00:07:42,654 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 304 transitions, 884 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-12-07 00:07:42,658 INFO L242 Difference]: Finished difference. Result has 312 places, 304 transitions, 650 flow [2021-12-07 00:07:42,658 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=610, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=650, PETRI_PLACES=312, PETRI_TRANSITIONS=304} [2021-12-07 00:07:42,659 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, -4 predicate places. [2021-12-07 00:07:42,659 INFO L470 AbstractCegarLoop]: Abstraction has has 312 places, 304 transitions, 650 flow [2021-12-07 00:07:42,660 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 170.5) internal successors, (1023), 6 states have internal predecessors, (1023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:42,660 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:07:42,660 INFO L254 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] [2021-12-07 00:07:42,660 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 00:07:42,660 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-12-07 00:07:42,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:07:42,661 INFO L85 PathProgramCache]: Analyzing trace with hash -2109758001, now seen corresponding path program 1 times [2021-12-07 00:07:42,661 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:07:42,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599319843] [2021-12-07 00:07:42,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:42,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:07:42,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:42,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:07:42,727 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:07:42,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599319843] [2021-12-07 00:07:42,727 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599319843] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:07:42,727 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:07:42,728 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 00:07:42,728 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108661297] [2021-12-07 00:07:42,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:07:42,728 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 00:07:42,729 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:07:42,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 00:07:42,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 00:07:42,731 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 294 out of 313 [2021-12-07 00:07:42,732 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 304 transitions, 650 flow. Second operand has 3 states, 3 states have (on average 295.3333333333333) internal successors, (886), 3 states have internal predecessors, (886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:42,733 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:07:42,733 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 294 of 313 [2021-12-07 00:07:42,733 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:07:42,808 INFO L129 PetriNetUnfolder]: 9/531 cut-off events. [2021-12-07 00:07:42,808 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-07 00:07:42,809 INFO L84 FinitePrefix]: Finished finitePrefix Result has 592 conditions, 531 events. 9/531 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1514 event pairs, 9 based on Foata normal form. 0/482 useless extension candidates. Maximal degree in co-relation 397. Up to 35 conditions per place. [2021-12-07 00:07:42,810 INFO L132 encePairwiseOnDemand]: 310/313 looper letters, 16 selfloop transitions, 2 changer transitions 0/303 dead transitions. [2021-12-07 00:07:42,810 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 303 transitions, 684 flow [2021-12-07 00:07:42,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 00:07:42,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-07 00:07:42,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 901 transitions. [2021-12-07 00:07:42,813 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9595314164004259 [2021-12-07 00:07:42,813 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 901 transitions. [2021-12-07 00:07:42,813 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 901 transitions. [2021-12-07 00:07:42,814 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:07:42,814 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 901 transitions. [2021-12-07 00:07:42,816 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:42,818 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 313.0) internal successors, (1252), 4 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:42,819 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 313.0) internal successors, (1252), 4 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:42,819 INFO L186 Difference]: Start difference. First operand has 312 places, 304 transitions, 650 flow. Second operand 3 states and 901 transitions. [2021-12-07 00:07:42,819 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 303 transitions, 684 flow [2021-12-07 00:07:42,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 308 places, 303 transitions, 644 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-12-07 00:07:42,824 INFO L242 Difference]: Finished difference. Result has 308 places, 303 transitions, 612 flow [2021-12-07 00:07:42,825 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=608, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=612, PETRI_PLACES=308, PETRI_TRANSITIONS=303} [2021-12-07 00:07:42,825 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, -8 predicate places. [2021-12-07 00:07:42,825 INFO L470 AbstractCegarLoop]: Abstraction has has 308 places, 303 transitions, 612 flow [2021-12-07 00:07:42,826 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 295.3333333333333) internal successors, (886), 3 states have internal predecessors, (886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:42,826 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:07:42,826 INFO L254 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] [2021-12-07 00:07:42,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-07 00:07:42,827 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-12-07 00:07:42,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:07:42,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1817743894, now seen corresponding path program 1 times [2021-12-07 00:07:42,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:07:42,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888004563] [2021-12-07 00:07:42,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:42,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:07:42,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:42,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:07:42,865 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:07:42,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888004563] [2021-12-07 00:07:42,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888004563] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:07:42,865 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:07:42,866 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 00:07:42,866 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405851309] [2021-12-07 00:07:42,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:07:42,866 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 00:07:42,866 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:07:42,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 00:07:42,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 00:07:42,868 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 297 out of 313 [2021-12-07 00:07:42,869 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 308 places, 303 transitions, 612 flow. Second operand has 3 states, 3 states have (on average 298.3333333333333) internal successors, (895), 3 states have internal predecessors, (895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:42,869 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:07:42,869 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 297 of 313 [2021-12-07 00:07:42,869 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:07:42,920 INFO L129 PetriNetUnfolder]: 4/468 cut-off events. [2021-12-07 00:07:42,920 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-12-07 00:07:42,920 INFO L84 FinitePrefix]: Finished finitePrefix Result has 494 conditions, 468 events. 4/468 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1086 event pairs, 4 based on Foata normal form. 0/434 useless extension candidates. Maximal degree in co-relation 420. Up to 17 conditions per place. [2021-12-07 00:07:42,922 INFO L132 encePairwiseOnDemand]: 308/313 looper letters, 10 selfloop transitions, 1 changer transitions 0/299 dead transitions. [2021-12-07 00:07:42,922 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 299 transitions, 626 flow [2021-12-07 00:07:42,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 00:07:42,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-07 00:07:42,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 906 transitions. [2021-12-07 00:07:42,924 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9648562300319489 [2021-12-07 00:07:42,924 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 906 transitions. [2021-12-07 00:07:42,924 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 906 transitions. [2021-12-07 00:07:42,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:07:42,925 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 906 transitions. [2021-12-07 00:07:42,927 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 302.0) internal successors, (906), 3 states have internal predecessors, (906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:42,929 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 313.0) internal successors, (1252), 4 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:42,930 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 313.0) internal successors, (1252), 4 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:42,930 INFO L186 Difference]: Start difference. First operand has 308 places, 303 transitions, 612 flow. Second operand 3 states and 906 transitions. [2021-12-07 00:07:42,930 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 299 transitions, 626 flow [2021-12-07 00:07:42,932 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 299 transitions, 622 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-07 00:07:42,935 INFO L242 Difference]: Finished difference. Result has 304 places, 299 transitions, 602 flow [2021-12-07 00:07:42,935 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=600, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=602, PETRI_PLACES=304, PETRI_TRANSITIONS=299} [2021-12-07 00:07:42,936 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, -12 predicate places. [2021-12-07 00:07:42,936 INFO L470 AbstractCegarLoop]: Abstraction has has 304 places, 299 transitions, 602 flow [2021-12-07 00:07:42,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 298.3333333333333) internal successors, (895), 3 states have internal predecessors, (895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:42,937 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:07:42,937 INFO L254 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] [2021-12-07 00:07:42,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-07 00:07:42,937 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-12-07 00:07:42,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:07:42,937 INFO L85 PathProgramCache]: Analyzing trace with hash 708730018, now seen corresponding path program 1 times [2021-12-07 00:07:42,938 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:07:42,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111732418] [2021-12-07 00:07:42,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:42,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:07:42,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:43,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:07:43,036 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:07:43,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111732418] [2021-12-07 00:07:43,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111732418] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:07:43,037 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:07:43,037 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 00:07:43,037 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916344362] [2021-12-07 00:07:43,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:07:43,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:07:43,037 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:07:43,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:07:43,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:07:43,039 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 313 [2021-12-07 00:07:43,040 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 299 transitions, 602 flow. Second operand has 6 states, 6 states have (on average 188.16666666666666) internal successors, (1129), 6 states have internal predecessors, (1129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:43,040 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:07:43,040 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 313 [2021-12-07 00:07:43,040 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:07:43,575 INFO L129 PetriNetUnfolder]: 925/3035 cut-off events. [2021-12-07 00:07:43,575 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-07 00:07:43,580 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5012 conditions, 3035 events. 925/3035 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 19033 event pairs, 925 based on Foata normal form. 0/2670 useless extension candidates. Maximal degree in co-relation 4927. Up to 1967 conditions per place. [2021-12-07 00:07:43,590 INFO L132 encePairwiseOnDemand]: 307/313 looper letters, 116 selfloop transitions, 5 changer transitions 0/298 dead transitions. [2021-12-07 00:07:43,590 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 298 transitions, 842 flow [2021-12-07 00:07:43,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 00:07:43,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-07 00:07:43,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1220 transitions. [2021-12-07 00:07:43,594 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6496272630457934 [2021-12-07 00:07:43,594 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1220 transitions. [2021-12-07 00:07:43,594 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1220 transitions. [2021-12-07 00:07:43,594 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:07:43,595 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1220 transitions. [2021-12-07 00:07:43,597 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 203.33333333333334) internal successors, (1220), 6 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) [2021-12-07 00:07:43,600 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:43,601 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:43,601 INFO L186 Difference]: Start difference. First operand has 304 places, 299 transitions, 602 flow. Second operand 6 states and 1220 transitions. [2021-12-07 00:07:43,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 298 transitions, 842 flow [2021-12-07 00:07:43,603 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 298 transitions, 841 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-07 00:07:43,606 INFO L242 Difference]: Finished difference. Result has 307 places, 298 transitions, 609 flow [2021-12-07 00:07:43,606 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=599, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=298, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=609, PETRI_PLACES=307, PETRI_TRANSITIONS=298} [2021-12-07 00:07:43,607 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, -9 predicate places. [2021-12-07 00:07:43,607 INFO L470 AbstractCegarLoop]: Abstraction has has 307 places, 298 transitions, 609 flow [2021-12-07 00:07:43,608 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 188.16666666666666) internal successors, (1129), 6 states have internal predecessors, (1129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:43,608 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:07:43,608 INFO L254 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] [2021-12-07 00:07:43,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-07 00:07:43,608 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-12-07 00:07:43,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:07:43,608 INFO L85 PathProgramCache]: Analyzing trace with hash 834139185, now seen corresponding path program 1 times [2021-12-07 00:07:43,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:07:43,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925222302] [2021-12-07 00:07:43,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:43,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:07:43,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:43,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:07:43,676 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:07:43,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925222302] [2021-12-07 00:07:43,676 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925222302] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:07:43,677 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:07:43,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 00:07:43,677 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2985176] [2021-12-07 00:07:43,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:07:43,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 00:07:43,677 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:07:43,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 00:07:43,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 00:07:43,679 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 294 out of 313 [2021-12-07 00:07:43,680 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 298 transitions, 609 flow. Second operand has 3 states, 3 states have (on average 295.3333333333333) internal successors, (886), 3 states have internal predecessors, (886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:43,680 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:07:43,680 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 294 of 313 [2021-12-07 00:07:43,680 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:07:43,726 INFO L129 PetriNetUnfolder]: 9/430 cut-off events. [2021-12-07 00:07:43,726 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-07 00:07:43,726 INFO L84 FinitePrefix]: Finished finitePrefix Result has 477 conditions, 430 events. 9/430 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 785 event pairs, 9 based on Foata normal form. 0/395 useless extension candidates. Maximal degree in co-relation 404. Up to 35 conditions per place. [2021-12-07 00:07:43,728 INFO L132 encePairwiseOnDemand]: 310/313 looper letters, 16 selfloop transitions, 2 changer transitions 0/297 dead transitions. [2021-12-07 00:07:43,728 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 297 transitions, 643 flow [2021-12-07 00:07:43,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 00:07:43,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-07 00:07:43,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 901 transitions. [2021-12-07 00:07:43,730 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9595314164004259 [2021-12-07 00:07:43,730 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 901 transitions. [2021-12-07 00:07:43,730 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 901 transitions. [2021-12-07 00:07:43,731 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:07:43,731 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 901 transitions. [2021-12-07 00:07:43,732 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:43,734 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 313.0) internal successors, (1252), 4 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:43,734 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 313.0) internal successors, (1252), 4 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:43,735 INFO L186 Difference]: Start difference. First operand has 307 places, 298 transitions, 609 flow. Second operand 3 states and 901 transitions. [2021-12-07 00:07:43,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 297 transitions, 643 flow [2021-12-07 00:07:43,736 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 297 transitions, 633 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-12-07 00:07:43,739 INFO L242 Difference]: Finished difference. Result has 303 places, 297 transitions, 601 flow [2021-12-07 00:07:43,740 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=597, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=297, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=601, PETRI_PLACES=303, PETRI_TRANSITIONS=297} [2021-12-07 00:07:43,741 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, -13 predicate places. [2021-12-07 00:07:43,741 INFO L470 AbstractCegarLoop]: Abstraction has has 303 places, 297 transitions, 601 flow [2021-12-07 00:07:43,741 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 295.3333333333333) internal successors, (886), 3 states have internal predecessors, (886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:43,741 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:07:43,741 INFO L254 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] [2021-12-07 00:07:43,741 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-07 00:07:43,742 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-12-07 00:07:43,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:07:43,742 INFO L85 PathProgramCache]: Analyzing trace with hash -264018609, now seen corresponding path program 1 times [2021-12-07 00:07:43,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:07:43,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63565982] [2021-12-07 00:07:43,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:43,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:07:43,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:43,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:07:43,784 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:07:43,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63565982] [2021-12-07 00:07:43,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63565982] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:07:43,784 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:07:43,784 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 00:07:43,785 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187053825] [2021-12-07 00:07:43,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:07:43,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 00:07:43,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:07:43,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 00:07:43,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 00:07:43,787 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 297 out of 313 [2021-12-07 00:07:43,787 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 297 transitions, 601 flow. Second operand has 3 states, 3 states have (on average 298.3333333333333) internal successors, (895), 3 states have internal predecessors, (895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:43,787 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:07:43,787 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 297 of 313 [2021-12-07 00:07:43,788 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:07:43,830 INFO L129 PetriNetUnfolder]: 4/386 cut-off events. [2021-12-07 00:07:43,830 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-12-07 00:07:43,830 INFO L84 FinitePrefix]: Finished finitePrefix Result has 413 conditions, 386 events. 4/386 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 524 event pairs, 4 based on Foata normal form. 0/365 useless extension candidates. Maximal degree in co-relation 341. Up to 17 conditions per place. [2021-12-07 00:07:43,831 INFO L132 encePairwiseOnDemand]: 308/313 looper letters, 10 selfloop transitions, 1 changer transitions 0/293 dead transitions. [2021-12-07 00:07:43,832 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 293 transitions, 615 flow [2021-12-07 00:07:43,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 00:07:43,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-07 00:07:43,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 906 transitions. [2021-12-07 00:07:43,834 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9648562300319489 [2021-12-07 00:07:43,834 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 906 transitions. [2021-12-07 00:07:43,834 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 906 transitions. [2021-12-07 00:07:43,834 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:07:43,834 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 906 transitions. [2021-12-07 00:07:43,836 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 302.0) internal successors, (906), 3 states have internal predecessors, (906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:43,838 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 313.0) internal successors, (1252), 4 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:43,838 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 313.0) internal successors, (1252), 4 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:43,838 INFO L186 Difference]: Start difference. First operand has 303 places, 297 transitions, 601 flow. Second operand 3 states and 906 transitions. [2021-12-07 00:07:43,838 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 293 transitions, 615 flow [2021-12-07 00:07:43,840 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 293 transitions, 611 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-07 00:07:43,843 INFO L242 Difference]: Finished difference. Result has 299 places, 293 transitions, 591 flow [2021-12-07 00:07:43,843 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=589, PETRI_DIFFERENCE_MINUEND_PLACES=297, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=591, PETRI_PLACES=299, PETRI_TRANSITIONS=293} [2021-12-07 00:07:43,844 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, -17 predicate places. [2021-12-07 00:07:43,844 INFO L470 AbstractCegarLoop]: Abstraction has has 299 places, 293 transitions, 591 flow [2021-12-07 00:07:43,845 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 298.3333333333333) internal successors, (895), 3 states have internal predecessors, (895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:43,845 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:07:43,845 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:07:43,845 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-07 00:07:43,845 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-12-07 00:07:43,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:07:43,845 INFO L85 PathProgramCache]: Analyzing trace with hash -123328695, now seen corresponding path program 1 times [2021-12-07 00:07:43,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:07:43,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74570119] [2021-12-07 00:07:43,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:43,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:07:43,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:43,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:07:43,964 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:07:43,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74570119] [2021-12-07 00:07:43,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74570119] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:07:43,965 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:07:43,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 00:07:43,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135645296] [2021-12-07 00:07:43,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:07:43,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:07:43,965 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:07:43,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:07:43,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:07:43,967 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 313 [2021-12-07 00:07:43,968 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 293 transitions, 591 flow. Second operand has 6 states, 6 states have (on average 192.33333333333334) internal successors, (1154), 6 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) [2021-12-07 00:07:43,968 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:07:43,968 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 313 [2021-12-07 00:07:43,968 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:07:44,461 INFO L129 PetriNetUnfolder]: 925/2946 cut-off events. [2021-12-07 00:07:44,461 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-07 00:07:44,464 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4923 conditions, 2946 events. 925/2946 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 18339 event pairs, 925 based on Foata normal form. 0/2615 useless extension candidates. Maximal degree in co-relation 4839. Up to 1966 conditions per place. [2021-12-07 00:07:44,476 INFO L132 encePairwiseOnDemand]: 307/313 looper letters, 115 selfloop transitions, 5 changer transitions 0/292 dead transitions. [2021-12-07 00:07:44,476 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 292 transitions, 829 flow [2021-12-07 00:07:44,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 00:07:44,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-07 00:07:44,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1219 transitions. [2021-12-07 00:07:44,479 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6490947816826411 [2021-12-07 00:07:44,480 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1219 transitions. [2021-12-07 00:07:44,480 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1219 transitions. [2021-12-07 00:07:44,480 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:07:44,480 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1219 transitions. [2021-12-07 00:07:44,483 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 203.16666666666666) internal successors, (1219), 6 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:44,486 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:44,487 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:44,487 INFO L186 Difference]: Start difference. First operand has 299 places, 293 transitions, 591 flow. Second operand 6 states and 1219 transitions. [2021-12-07 00:07:44,487 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 292 transitions, 829 flow [2021-12-07 00:07:44,489 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 292 transitions, 828 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-07 00:07:44,492 INFO L242 Difference]: Finished difference. Result has 302 places, 292 transitions, 598 flow [2021-12-07 00:07:44,493 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=588, PETRI_DIFFERENCE_MINUEND_PLACES=297, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=598, PETRI_PLACES=302, PETRI_TRANSITIONS=292} [2021-12-07 00:07:44,493 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, -14 predicate places. [2021-12-07 00:07:44,494 INFO L470 AbstractCegarLoop]: Abstraction has has 302 places, 292 transitions, 598 flow [2021-12-07 00:07:44,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 192.33333333333334) internal successors, (1154), 6 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) [2021-12-07 00:07:44,494 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:07:44,494 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:07:44,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-07 00:07:44,495 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-12-07 00:07:44,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:07:44,495 INFO L85 PathProgramCache]: Analyzing trace with hash 722055751, now seen corresponding path program 1 times [2021-12-07 00:07:44,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:07:44,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070218591] [2021-12-07 00:07:44,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:44,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:07:44,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:07:44,608 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:07:44,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070218591] [2021-12-07 00:07:44,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070218591] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:07:44,609 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:07:44,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 00:07:44,609 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465484023] [2021-12-07 00:07:44,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:07:44,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:07:44,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:07:44,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:07:44,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:07:44,612 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 313 [2021-12-07 00:07:44,613 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 292 transitions, 598 flow. Second operand has 6 states, 6 states have (on average 196.16666666666666) internal successors, (1177), 6 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:44,613 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:07:44,613 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 313 [2021-12-07 00:07:44,613 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:07:45,545 INFO L129 PetriNetUnfolder]: 1392/4481 cut-off events. [2021-12-07 00:07:45,545 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-12-07 00:07:45,549 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7440 conditions, 4481 events. 1392/4481 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 32522 event pairs, 181 based on Foata normal form. 0/4036 useless extension candidates. Maximal degree in co-relation 7356. Up to 1396 conditions per place. [2021-12-07 00:07:45,563 INFO L132 encePairwiseOnDemand]: 294/313 looper letters, 220 selfloop transitions, 38 changer transitions 0/433 dead transitions. [2021-12-07 00:07:45,563 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 433 transitions, 1396 flow [2021-12-07 00:07:45,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 00:07:45,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-07 00:07:45,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1376 transitions. [2021-12-07 00:07:45,567 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7326943556975506 [2021-12-07 00:07:45,567 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1376 transitions. [2021-12-07 00:07:45,567 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1376 transitions. [2021-12-07 00:07:45,568 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:07:45,568 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1376 transitions. [2021-12-07 00:07:45,570 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 229.33333333333334) internal successors, (1376), 6 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:45,572 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:45,573 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:45,573 INFO L186 Difference]: Start difference. First operand has 302 places, 292 transitions, 598 flow. Second operand 6 states and 1376 transitions. [2021-12-07 00:07:45,573 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 433 transitions, 1396 flow [2021-12-07 00:07:45,575 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 433 transitions, 1386 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-12-07 00:07:45,581 INFO L242 Difference]: Finished difference. Result has 306 places, 328 transitions, 846 flow [2021-12-07 00:07:45,581 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=586, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=846, PETRI_PLACES=306, PETRI_TRANSITIONS=328} [2021-12-07 00:07:45,582 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, -10 predicate places. [2021-12-07 00:07:45,582 INFO L470 AbstractCegarLoop]: Abstraction has has 306 places, 328 transitions, 846 flow [2021-12-07 00:07:45,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 196.16666666666666) internal successors, (1177), 6 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:45,582 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:07:45,582 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:07:45,582 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-07 00:07:45,583 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-12-07 00:07:45,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:07:45,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1679495531, now seen corresponding path program 1 times [2021-12-07 00:07:45,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:07:45,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902450960] [2021-12-07 00:07:45,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:45,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:07:45,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:45,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:07:45,682 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:07:45,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902450960] [2021-12-07 00:07:45,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902450960] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:07:45,683 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:07:45,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 00:07:45,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565925100] [2021-12-07 00:07:45,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:07:45,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:07:45,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:07:45,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:07:45,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:07:45,686 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 313 [2021-12-07 00:07:45,688 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 328 transitions, 846 flow. Second operand has 6 states, 6 states have (on average 198.5) internal successors, (1191), 6 states have internal predecessors, (1191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:45,688 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:07:45,688 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 313 [2021-12-07 00:07:45,688 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:07:46,527 INFO L129 PetriNetUnfolder]: 1425/4583 cut-off events. [2021-12-07 00:07:46,527 INFO L130 PetriNetUnfolder]: For 1051/1051 co-relation queries the response was YES. [2021-12-07 00:07:46,533 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8715 conditions, 4583 events. 1425/4583 cut-off events. For 1051/1051 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 32965 event pairs, 936 based on Foata normal form. 0/4136 useless extension candidates. Maximal degree in co-relation 8629. Up to 2730 conditions per place. [2021-12-07 00:07:46,548 INFO L132 encePairwiseOnDemand]: 307/313 looper letters, 237 selfloop transitions, 5 changer transitions 0/419 dead transitions. [2021-12-07 00:07:46,548 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 310 places, 419 transitions, 1552 flow [2021-12-07 00:07:46,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 00:07:46,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-07 00:07:46,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1334 transitions. [2021-12-07 00:07:46,552 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7103301384451545 [2021-12-07 00:07:46,552 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1334 transitions. [2021-12-07 00:07:46,552 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1334 transitions. [2021-12-07 00:07:46,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:07:46,553 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1334 transitions. [2021-12-07 00:07:46,555 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 222.33333333333334) internal successors, (1334), 6 states have internal predecessors, (1334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:46,558 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:46,559 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:46,559 INFO L186 Difference]: Start difference. First operand has 306 places, 328 transitions, 846 flow. Second operand 6 states and 1334 transitions. [2021-12-07 00:07:46,559 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 310 places, 419 transitions, 1552 flow [2021-12-07 00:07:46,564 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 419 transitions, 1552 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-07 00:07:46,569 INFO L242 Difference]: Finished difference. Result has 310 places, 327 transitions, 854 flow [2021-12-07 00:07:46,569 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=844, PETRI_DIFFERENCE_MINUEND_PLACES=305, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=327, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=322, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=854, PETRI_PLACES=310, PETRI_TRANSITIONS=327} [2021-12-07 00:07:46,570 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, -6 predicate places. [2021-12-07 00:07:46,570 INFO L470 AbstractCegarLoop]: Abstraction has has 310 places, 327 transitions, 854 flow [2021-12-07 00:07:46,570 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 198.5) internal successors, (1191), 6 states have internal predecessors, (1191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:46,571 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:07:46,571 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:07:46,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-07 00:07:46,571 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-12-07 00:07:46,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:07:46,571 INFO L85 PathProgramCache]: Analyzing trace with hash 2143879696, now seen corresponding path program 1 times [2021-12-07 00:07:46,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:07:46,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482011887] [2021-12-07 00:07:46,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:46,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:07:46,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:46,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:07:46,680 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:07:46,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482011887] [2021-12-07 00:07:46,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482011887] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:07:46,680 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:07:46,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 00:07:46,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937109332] [2021-12-07 00:07:46,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:07:46,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:07:46,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:07:46,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:07:46,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:07:46,683 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 313 [2021-12-07 00:07:46,684 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 327 transitions, 854 flow. Second operand has 6 states, 6 states have (on average 192.66666666666666) internal successors, (1156), 6 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) [2021-12-07 00:07:46,684 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:07:46,684 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 313 [2021-12-07 00:07:46,684 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:07:47,867 INFO L129 PetriNetUnfolder]: 1814/5691 cut-off events. [2021-12-07 00:07:47,867 INFO L130 PetriNetUnfolder]: For 1342/1346 co-relation queries the response was YES. [2021-12-07 00:07:47,876 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10926 conditions, 5691 events. 1814/5691 cut-off events. For 1342/1346 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 43795 event pairs, 351 based on Foata normal form. 0/5243 useless extension candidates. Maximal degree in co-relation 10836. Up to 2174 conditions per place. [2021-12-07 00:07:47,891 INFO L132 encePairwiseOnDemand]: 292/313 looper letters, 265 selfloop transitions, 71 changer transitions 0/506 dead transitions. [2021-12-07 00:07:47,891 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 506 transitions, 2140 flow [2021-12-07 00:07:47,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 00:07:47,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-07 00:07:47,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1359 transitions. [2021-12-07 00:07:47,895 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7236421725239617 [2021-12-07 00:07:47,895 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1359 transitions. [2021-12-07 00:07:47,895 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1359 transitions. [2021-12-07 00:07:47,895 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:07:47,896 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1359 transitions. [2021-12-07 00:07:47,899 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 226.5) internal successors, (1359), 6 states have internal predecessors, (1359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:47,901 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:47,902 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:47,902 INFO L186 Difference]: Start difference. First operand has 310 places, 327 transitions, 854 flow. Second operand 6 states and 1359 transitions. [2021-12-07 00:07:47,902 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 506 transitions, 2140 flow [2021-12-07 00:07:47,907 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 506 transitions, 2090 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-12-07 00:07:47,913 INFO L242 Difference]: Finished difference. Result has 315 places, 396 transitions, 1502 flow [2021-12-07 00:07:47,914 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=844, PETRI_DIFFERENCE_MINUEND_PLACES=305, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=327, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1502, PETRI_PLACES=315, PETRI_TRANSITIONS=396} [2021-12-07 00:07:47,914 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, -1 predicate places. [2021-12-07 00:07:47,914 INFO L470 AbstractCegarLoop]: Abstraction has has 315 places, 396 transitions, 1502 flow [2021-12-07 00:07:47,915 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 192.66666666666666) internal successors, (1156), 6 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) [2021-12-07 00:07:47,915 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:07:47,915 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:07:47,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-07 00:07:47,915 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-12-07 00:07:47,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:07:47,916 INFO L85 PathProgramCache]: Analyzing trace with hash -162897296, now seen corresponding path program 1 times [2021-12-07 00:07:47,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:07:47,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936900517] [2021-12-07 00:07:47,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:47,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:07:47,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:48,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:07:48,016 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:07:48,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936900517] [2021-12-07 00:07:48,017 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936900517] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:07:48,017 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:07:48,017 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 00:07:48,017 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463458289] [2021-12-07 00:07:48,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:07:48,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:07:48,017 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:07:48,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:07:48,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:07:48,019 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 313 [2021-12-07 00:07:48,019 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 315 places, 396 transitions, 1502 flow. Second operand has 6 states, 6 states have (on average 197.66666666666666) internal successors, (1186), 6 states have internal predecessors, (1186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:48,020 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:07:48,020 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 313 [2021-12-07 00:07:48,020 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:07:49,000 INFO L129 PetriNetUnfolder]: 1933/6154 cut-off events. [2021-12-07 00:07:49,000 INFO L130 PetriNetUnfolder]: For 3621/3668 co-relation queries the response was YES. [2021-12-07 00:07:49,011 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14088 conditions, 6154 events. 1933/6154 cut-off events. For 3621/3668 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 48097 event pairs, 1000 based on Foata normal form. 0/5741 useless extension candidates. Maximal degree in co-relation 13997. Up to 3840 conditions per place. [2021-12-07 00:07:49,026 INFO L132 encePairwiseOnDemand]: 290/313 looper letters, 250 selfloop transitions, 89 changer transitions 0/515 dead transitions. [2021-12-07 00:07:49,026 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 515 transitions, 2700 flow [2021-12-07 00:07:49,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 00:07:49,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-07 00:07:49,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1333 transitions. [2021-12-07 00:07:49,029 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7097976570820022 [2021-12-07 00:07:49,029 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1333 transitions. [2021-12-07 00:07:49,029 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1333 transitions. [2021-12-07 00:07:49,030 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:07:49,030 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1333 transitions. [2021-12-07 00:07:49,032 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 222.16666666666666) internal successors, (1333), 6 states have internal predecessors, (1333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:49,034 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:49,034 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:49,035 INFO L186 Difference]: Start difference. First operand has 315 places, 396 transitions, 1502 flow. Second operand 6 states and 1333 transitions. [2021-12-07 00:07:49,035 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 515 transitions, 2700 flow [2021-12-07 00:07:49,044 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 320 places, 515 transitions, 2700 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-07 00:07:49,049 INFO L242 Difference]: Finished difference. Result has 325 places, 480 transitions, 2304 flow [2021-12-07 00:07:49,050 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=1502, PETRI_DIFFERENCE_MINUEND_PLACES=315, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=396, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=355, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2304, PETRI_PLACES=325, PETRI_TRANSITIONS=480} [2021-12-07 00:07:49,051 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 9 predicate places. [2021-12-07 00:07:49,051 INFO L470 AbstractCegarLoop]: Abstraction has has 325 places, 480 transitions, 2304 flow [2021-12-07 00:07:49,051 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 197.66666666666666) internal successors, (1186), 6 states have internal predecessors, (1186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:49,052 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:07:49,052 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:07:49,052 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-07 00:07:49,052 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-12-07 00:07:49,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:07:49,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1478656391, now seen corresponding path program 1 times [2021-12-07 00:07:49,053 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:07:49,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687889874] [2021-12-07 00:07:49,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:49,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:07:49,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:49,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:07:49,137 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:07:49,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687889874] [2021-12-07 00:07:49,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687889874] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:07:49,137 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:07:49,137 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 00:07:49,137 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419645052] [2021-12-07 00:07:49,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:07:49,138 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 00:07:49,138 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:07:49,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 00:07:49,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 00:07:49,140 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 313 [2021-12-07 00:07:49,141 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 325 places, 480 transitions, 2304 flow. Second operand has 3 states, 3 states have (on average 301.0) internal successors, (903), 3 states have internal predecessors, (903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:49,141 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:07:49,141 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 313 [2021-12-07 00:07:49,141 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:07:49,418 INFO L129 PetriNetUnfolder]: 277/1934 cut-off events. [2021-12-07 00:07:49,419 INFO L130 PetriNetUnfolder]: For 980/1041 co-relation queries the response was YES. [2021-12-07 00:07:49,423 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3930 conditions, 1934 events. 277/1934 cut-off events. For 980/1041 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 13017 event pairs, 25 based on Foata normal form. 4/1852 useless extension candidates. Maximal degree in co-relation 3838. Up to 272 conditions per place. [2021-12-07 00:07:49,428 INFO L132 encePairwiseOnDemand]: 307/313 looper letters, 15 selfloop transitions, 6 changer transitions 0/420 dead transitions. [2021-12-07 00:07:49,428 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 327 places, 420 transitions, 1782 flow [2021-12-07 00:07:49,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 00:07:49,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-07 00:07:49,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 917 transitions. [2021-12-07 00:07:49,431 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9765708200212992 [2021-12-07 00:07:49,431 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 917 transitions. [2021-12-07 00:07:49,431 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 917 transitions. [2021-12-07 00:07:49,432 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:07:49,432 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 917 transitions. [2021-12-07 00:07:49,434 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 305.6666666666667) internal successors, (917), 3 states have internal predecessors, (917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:49,436 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 313.0) internal successors, (1252), 4 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:49,436 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 313.0) internal successors, (1252), 4 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:49,436 INFO L186 Difference]: Start difference. First operand has 325 places, 480 transitions, 2304 flow. Second operand 3 states and 917 transitions. [2021-12-07 00:07:49,436 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 327 places, 420 transitions, 1782 flow [2021-12-07 00:07:49,450 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 327 places, 420 transitions, 1694 flow, removed 44 selfloop flow, removed 0 redundant places. [2021-12-07 00:07:49,457 INFO L242 Difference]: Finished difference. Result has 328 places, 418 transitions, 1674 flow [2021-12-07 00:07:49,458 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=1640, PETRI_DIFFERENCE_MINUEND_PLACES=325, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=414, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=408, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1674, PETRI_PLACES=328, PETRI_TRANSITIONS=418} [2021-12-07 00:07:49,458 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 12 predicate places. [2021-12-07 00:07:49,458 INFO L470 AbstractCegarLoop]: Abstraction has has 328 places, 418 transitions, 1674 flow [2021-12-07 00:07:49,459 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 301.0) internal successors, (903), 3 states have internal predecessors, (903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:49,459 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:07:49,459 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:07:49,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-07 00:07:49,459 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-12-07 00:07:49,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:07:49,459 INFO L85 PathProgramCache]: Analyzing trace with hash 324013885, now seen corresponding path program 1 times [2021-12-07 00:07:49,460 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:07:49,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695720] [2021-12-07 00:07:49,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:49,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:07:49,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:49,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:07:49,597 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:07:49,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695720] [2021-12-07 00:07:49,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695720] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:07:49,597 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:07:49,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 00:07:49,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729822028] [2021-12-07 00:07:49,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:07:49,598 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:07:49,598 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:07:49,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:07:49,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:07:49,600 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 313 [2021-12-07 00:07:49,601 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 328 places, 418 transitions, 1674 flow. Second operand has 6 states, 6 states have (on average 197.83333333333334) internal successors, (1187), 6 states have internal predecessors, (1187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:49,602 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:07:49,602 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 313 [2021-12-07 00:07:49,602 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:07:50,728 INFO L129 PetriNetUnfolder]: 1230/4325 cut-off events. [2021-12-07 00:07:50,728 INFO L130 PetriNetUnfolder]: For 3311/3340 co-relation queries the response was YES. [2021-12-07 00:07:50,739 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10902 conditions, 4325 events. 1230/4325 cut-off events. For 3311/3340 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 33115 event pairs, 209 based on Foata normal form. 0/4151 useless extension candidates. Maximal degree in co-relation 10803. Up to 1169 conditions per place. [2021-12-07 00:07:50,749 INFO L132 encePairwiseOnDemand]: 294/313 looper letters, 386 selfloop transitions, 124 changer transitions 4/694 dead transitions. [2021-12-07 00:07:50,749 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 332 places, 694 transitions, 4268 flow [2021-12-07 00:07:50,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 00:07:50,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-07 00:07:50,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1421 transitions. [2021-12-07 00:07:50,753 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7566560170394037 [2021-12-07 00:07:50,753 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1421 transitions. [2021-12-07 00:07:50,753 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1421 transitions. [2021-12-07 00:07:50,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:07:50,754 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1421 transitions. [2021-12-07 00:07:50,756 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 236.83333333333334) internal successors, (1421), 6 states have internal predecessors, (1421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:50,758 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:50,759 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:50,759 INFO L186 Difference]: Start difference. First operand has 328 places, 418 transitions, 1674 flow. Second operand 6 states and 1421 transitions. [2021-12-07 00:07:50,759 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 332 places, 694 transitions, 4268 flow [2021-12-07 00:07:50,774 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 331 places, 694 transitions, 4262 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-07 00:07:50,782 INFO L242 Difference]: Finished difference. Result has 336 places, 520 transitions, 3050 flow [2021-12-07 00:07:50,782 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=1666, PETRI_DIFFERENCE_MINUEND_PLACES=326, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=417, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=335, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3050, PETRI_PLACES=336, PETRI_TRANSITIONS=520} [2021-12-07 00:07:50,783 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 20 predicate places. [2021-12-07 00:07:50,783 INFO L470 AbstractCegarLoop]: Abstraction has has 336 places, 520 transitions, 3050 flow [2021-12-07 00:07:50,783 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 197.83333333333334) internal successors, (1187), 6 states have internal predecessors, (1187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:50,783 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:07:50,784 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:07:50,784 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-07 00:07:50,784 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-12-07 00:07:50,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:07:50,784 INFO L85 PathProgramCache]: Analyzing trace with hash 632797486, now seen corresponding path program 1 times [2021-12-07 00:07:50,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:07:50,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088852863] [2021-12-07 00:07:50,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:50,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:07:50,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:50,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:07:50,881 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:07:50,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088852863] [2021-12-07 00:07:50,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088852863] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:07:50,881 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:07:50,881 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 00:07:50,881 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135751051] [2021-12-07 00:07:50,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:07:50,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:07:50,882 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:07:50,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:07:50,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:07:50,884 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 313 [2021-12-07 00:07:50,885 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 336 places, 520 transitions, 3050 flow. Second operand has 6 states, 6 states have (on average 201.0) internal successors, (1206), 6 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:50,885 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:07:50,885 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 313 [2021-12-07 00:07:50,885 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:07:51,893 INFO L129 PetriNetUnfolder]: 1281/4389 cut-off events. [2021-12-07 00:07:51,893 INFO L130 PetriNetUnfolder]: For 6064/6104 co-relation queries the response was YES. [2021-12-07 00:07:51,904 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12677 conditions, 4389 events. 1281/4389 cut-off events. For 6064/6104 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 33217 event pairs, 469 based on Foata normal form. 0/4261 useless extension candidates. Maximal degree in co-relation 12575. Up to 2356 conditions per place. [2021-12-07 00:07:51,913 INFO L132 encePairwiseOnDemand]: 307/313 looper letters, 420 selfloop transitions, 17 changer transitions 0/619 dead transitions. [2021-12-07 00:07:51,913 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 619 transitions, 4514 flow [2021-12-07 00:07:51,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 00:07:51,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-07 00:07:51,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1324 transitions. [2021-12-07 00:07:51,916 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7050053248136315 [2021-12-07 00:07:51,916 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1324 transitions. [2021-12-07 00:07:51,916 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1324 transitions. [2021-12-07 00:07:51,917 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:07:51,917 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1324 transitions. [2021-12-07 00:07:51,919 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 220.66666666666666) internal successors, (1324), 6 states have internal predecessors, (1324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:51,921 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:51,921 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:51,921 INFO L186 Difference]: Start difference. First operand has 336 places, 520 transitions, 3050 flow. Second operand 6 states and 1324 transitions. [2021-12-07 00:07:51,921 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 619 transitions, 4514 flow [2021-12-07 00:07:51,940 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 619 transitions, 4496 flow, removed 9 selfloop flow, removed 0 redundant places. [2021-12-07 00:07:51,948 INFO L242 Difference]: Finished difference. Result has 340 places, 519 transitions, 3064 flow [2021-12-07 00:07:51,948 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=3030, PETRI_DIFFERENCE_MINUEND_PLACES=335, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=519, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=502, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3064, PETRI_PLACES=340, PETRI_TRANSITIONS=519} [2021-12-07 00:07:51,949 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 24 predicate places. [2021-12-07 00:07:51,949 INFO L470 AbstractCegarLoop]: Abstraction has has 340 places, 519 transitions, 3064 flow [2021-12-07 00:07:51,949 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 201.0) internal successors, (1206), 6 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:51,949 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:07:51,949 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:07:51,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-07 00:07:51,949 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-12-07 00:07:51,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:07:51,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1012259179, now seen corresponding path program 1 times [2021-12-07 00:07:51,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:07:51,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597535694] [2021-12-07 00:07:51,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:51,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:07:52,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:52,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:07:52,485 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:07:52,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597535694] [2021-12-07 00:07:52,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597535694] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:07:52,485 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:07:52,485 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2021-12-07 00:07:52,485 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547608110] [2021-12-07 00:07:52,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:07:52,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-12-07 00:07:52,486 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:07:52,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-12-07 00:07:52,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=475, Unknown=0, NotChecked=0, Total=552 [2021-12-07 00:07:52,489 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 313 [2021-12-07 00:07:52,491 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 340 places, 519 transitions, 3064 flow. Second operand has 24 states, 24 states have (on average 136.41666666666666) internal successors, (3274), 24 states have internal predecessors, (3274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:52,491 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:07:52,491 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 313 [2021-12-07 00:07:52,491 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:07:54,818 INFO L129 PetriNetUnfolder]: 1780/5453 cut-off events. [2021-12-07 00:07:54,818 INFO L130 PetriNetUnfolder]: For 6920/6922 co-relation queries the response was YES. [2021-12-07 00:07:54,836 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15882 conditions, 5453 events. 1780/5453 cut-off events. For 6920/6922 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 42149 event pairs, 561 based on Foata normal form. 15/5326 useless extension candidates. Maximal degree in co-relation 15758. Up to 2542 conditions per place. [2021-12-07 00:07:54,849 INFO L132 encePairwiseOnDemand]: 278/313 looper letters, 512 selfloop transitions, 109 changer transitions 1/745 dead transitions. [2021-12-07 00:07:54,849 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 745 transitions, 5548 flow [2021-12-07 00:07:54,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-12-07 00:07:54,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2021-12-07 00:07:54,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 5219 transitions. [2021-12-07 00:07:54,861 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.45065192988515673 [2021-12-07 00:07:54,861 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 5219 transitions. [2021-12-07 00:07:54,861 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 5219 transitions. [2021-12-07 00:07:54,864 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:07:54,864 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 5219 transitions. [2021-12-07 00:07:54,872 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 141.05405405405406) internal successors, (5219), 37 states have internal predecessors, (5219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:54,885 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 313.0) internal successors, (11894), 38 states have internal predecessors, (11894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:54,886 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 313.0) internal successors, (11894), 38 states have internal predecessors, (11894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:54,886 INFO L186 Difference]: Start difference. First operand has 340 places, 519 transitions, 3064 flow. Second operand 37 states and 5219 transitions. [2021-12-07 00:07:54,886 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 745 transitions, 5548 flow [2021-12-07 00:07:54,909 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 745 transitions, 5500 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-12-07 00:07:54,920 INFO L242 Difference]: Finished difference. Result has 378 places, 554 transitions, 3563 flow [2021-12-07 00:07:54,920 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=3030, PETRI_DIFFERENCE_MINUEND_PLACES=335, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=519, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=75, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=438, PETRI_DIFFERENCE_SUBTRAHEND_STATES=37, PETRI_FLOW=3563, PETRI_PLACES=378, PETRI_TRANSITIONS=554} [2021-12-07 00:07:54,920 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 62 predicate places. [2021-12-07 00:07:54,921 INFO L470 AbstractCegarLoop]: Abstraction has has 378 places, 554 transitions, 3563 flow [2021-12-07 00:07:54,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 136.41666666666666) internal successors, (3274), 24 states have internal predecessors, (3274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:54,921 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:07:54,921 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:07:54,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-07 00:07:54,922 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-12-07 00:07:54,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:07:54,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1176986028, now seen corresponding path program 1 times [2021-12-07 00:07:54,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:07:54,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217255997] [2021-12-07 00:07:54,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:54,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:07:54,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:55,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:07:55,541 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:07:55,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217255997] [2021-12-07 00:07:55,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217255997] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:07:55,541 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:07:55,541 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-12-07 00:07:55,541 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000838361] [2021-12-07 00:07:55,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:07:55,542 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-12-07 00:07:55,542 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:07:55,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-12-07 00:07:55,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=614, Unknown=0, NotChecked=0, Total=702 [2021-12-07 00:07:55,545 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 313 [2021-12-07 00:07:55,547 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 554 transitions, 3563 flow. Second operand has 27 states, 27 states have (on average 136.8148148148148) internal successors, (3694), 27 states have internal predecessors, (3694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:55,547 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:07:55,547 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 313 [2021-12-07 00:07:55,548 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:07:59,344 INFO L129 PetriNetUnfolder]: 2236/6911 cut-off events. [2021-12-07 00:07:59,344 INFO L130 PetriNetUnfolder]: For 12141/12151 co-relation queries the response was YES. [2021-12-07 00:07:59,369 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21781 conditions, 6911 events. 2236/6911 cut-off events. For 12141/12151 co-relation queries the response was YES. Maximal size of possible extension queue 164. Compared 57184 event pairs, 473 based on Foata normal form. 20/6771 useless extension candidates. Maximal degree in co-relation 21643. Up to 1556 conditions per place. [2021-12-07 00:07:59,385 INFO L132 encePairwiseOnDemand]: 270/313 looper letters, 770 selfloop transitions, 175 changer transitions 4/1073 dead transitions. [2021-12-07 00:07:59,385 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 417 places, 1073 transitions, 8912 flow [2021-12-07 00:07:59,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-12-07 00:07:59,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2021-12-07 00:07:59,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 5817 transitions. [2021-12-07 00:07:59,391 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.46461661341853033 [2021-12-07 00:07:59,391 INFO L72 ComplementDD]: Start complementDD. Operand 40 states and 5817 transitions. [2021-12-07 00:07:59,391 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 5817 transitions. [2021-12-07 00:07:59,393 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:07:59,393 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 40 states and 5817 transitions. [2021-12-07 00:07:59,399 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 41 states, 40 states have (on average 145.425) internal successors, (5817), 40 states have internal predecessors, (5817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:59,409 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 41 states, 41 states have (on average 313.0) internal successors, (12833), 41 states have internal predecessors, (12833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:59,410 INFO L81 ComplementDD]: Finished complementDD. Result has 41 states, 41 states have (on average 313.0) internal successors, (12833), 41 states have internal predecessors, (12833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:59,410 INFO L186 Difference]: Start difference. First operand has 378 places, 554 transitions, 3563 flow. Second operand 40 states and 5817 transitions. [2021-12-07 00:07:59,410 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 417 places, 1073 transitions, 8912 flow [2021-12-07 00:07:59,446 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 1073 transitions, 8859 flow, removed 6 selfloop flow, removed 17 redundant places. [2021-12-07 00:07:59,458 INFO L242 Difference]: Finished difference. Result has 417 places, 660 transitions, 5311 flow [2021-12-07 00:07:59,459 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=3521, PETRI_DIFFERENCE_MINUEND_PLACES=361, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=554, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=81, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=432, PETRI_DIFFERENCE_SUBTRAHEND_STATES=40, PETRI_FLOW=5311, PETRI_PLACES=417, PETRI_TRANSITIONS=660} [2021-12-07 00:07:59,459 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 101 predicate places. [2021-12-07 00:07:59,459 INFO L470 AbstractCegarLoop]: Abstraction has has 417 places, 660 transitions, 5311 flow [2021-12-07 00:07:59,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 136.8148148148148) internal successors, (3694), 27 states have internal predecessors, (3694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:59,460 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:07:59,460 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:07:59,460 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-07 00:07:59,460 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-12-07 00:07:59,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:07:59,460 INFO L85 PathProgramCache]: Analyzing trace with hash 12783110, now seen corresponding path program 2 times [2021-12-07 00:07:59,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:07:59,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853681260] [2021-12-07 00:07:59,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:59,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:07:59,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:59,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:07:59,986 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:07:59,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853681260] [2021-12-07 00:07:59,986 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853681260] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:07:59,987 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:07:59,987 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-12-07 00:07:59,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238899313] [2021-12-07 00:07:59,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:07:59,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-12-07 00:07:59,987 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:07:59,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-12-07 00:07:59,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=558, Unknown=0, NotChecked=0, Total=650 [2021-12-07 00:07:59,990 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 313 [2021-12-07 00:07:59,992 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 417 places, 660 transitions, 5311 flow. Second operand has 26 states, 26 states have (on average 137.0) internal successors, (3562), 26 states have internal predecessors, (3562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:59,992 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:07:59,992 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 313 [2021-12-07 00:07:59,992 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:08:03,717 INFO L129 PetriNetUnfolder]: 2337/7209 cut-off events. [2021-12-07 00:08:03,718 INFO L130 PetriNetUnfolder]: For 18689/18702 co-relation queries the response was YES. [2021-12-07 00:08:03,759 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24913 conditions, 7209 events. 2337/7209 cut-off events. For 18689/18702 co-relation queries the response was YES. Maximal size of possible extension queue 169. Compared 59959 event pairs, 389 based on Foata normal form. 28/7089 useless extension candidates. Maximal degree in co-relation 24756. Up to 1381 conditions per place. [2021-12-07 00:08:03,780 INFO L132 encePairwiseOnDemand]: 274/313 looper letters, 709 selfloop transitions, 208 changer transitions 4/1045 dead transitions. [2021-12-07 00:08:03,780 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 463 places, 1045 transitions, 9765 flow [2021-12-07 00:08:03,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-12-07 00:08:03,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2021-12-07 00:08:03,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 6694 transitions. [2021-12-07 00:08:03,787 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.45503364829039494 [2021-12-07 00:08:03,787 INFO L72 ComplementDD]: Start complementDD. Operand 47 states and 6694 transitions. [2021-12-07 00:08:03,787 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 6694 transitions. [2021-12-07 00:08:03,789 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:08:03,789 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 47 states and 6694 transitions. [2021-12-07 00:08:03,795 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 48 states, 47 states have (on average 142.4255319148936) internal successors, (6694), 47 states have internal predecessors, (6694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:08:03,805 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 48 states, 48 states have (on average 313.0) internal successors, (15024), 48 states have internal predecessors, (15024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:08:03,806 INFO L81 ComplementDD]: Finished complementDD. Result has 48 states, 48 states have (on average 313.0) internal successors, (15024), 48 states have internal predecessors, (15024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:08:03,806 INFO L186 Difference]: Start difference. First operand has 417 places, 660 transitions, 5311 flow. Second operand 47 states and 6694 transitions. [2021-12-07 00:08:03,807 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 463 places, 1045 transitions, 9765 flow [2021-12-07 00:08:03,891 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 448 places, 1045 transitions, 9707 flow, removed 14 selfloop flow, removed 15 redundant places. [2021-12-07 00:08:03,904 INFO L242 Difference]: Finished difference. Result has 461 places, 721 transitions, 6496 flow [2021-12-07 00:08:03,904 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=5267, PETRI_DIFFERENCE_MINUEND_PLACES=402, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=660, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=147, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=481, PETRI_DIFFERENCE_SUBTRAHEND_STATES=47, PETRI_FLOW=6496, PETRI_PLACES=461, PETRI_TRANSITIONS=721} [2021-12-07 00:08:03,905 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 145 predicate places. [2021-12-07 00:08:03,905 INFO L470 AbstractCegarLoop]: Abstraction has has 461 places, 721 transitions, 6496 flow [2021-12-07 00:08:03,905 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 137.0) internal successors, (3562), 26 states have internal predecessors, (3562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:08:03,905 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:08:03,905 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:08:03,905 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-07 00:08:03,905 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-12-07 00:08:03,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:08:03,906 INFO L85 PathProgramCache]: Analyzing trace with hash 500070222, now seen corresponding path program 3 times [2021-12-07 00:08:03,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:08:03,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052901841] [2021-12-07 00:08:03,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:08:03,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:08:03,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:04,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:08:04,462 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:08:04,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052901841] [2021-12-07 00:08:04,462 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052901841] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:08:04,462 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:08:04,462 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2021-12-07 00:08:04,462 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283427696] [2021-12-07 00:08:04,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:08:04,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-12-07 00:08:04,463 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:08:04,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-12-07 00:08:04,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=523, Unknown=0, NotChecked=0, Total=600 [2021-12-07 00:08:04,465 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 313 [2021-12-07 00:08:04,467 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 461 places, 721 transitions, 6496 flow. Second operand has 25 states, 25 states have (on average 138.16) internal successors, (3454), 25 states have internal predecessors, (3454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:08:04,467 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:08:04,467 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 313 [2021-12-07 00:08:04,468 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:08:08,222 INFO L129 PetriNetUnfolder]: 2794/8479 cut-off events. [2021-12-07 00:08:08,222 INFO L130 PetriNetUnfolder]: For 29232/29242 co-relation queries the response was YES. [2021-12-07 00:08:08,269 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32043 conditions, 8479 events. 2794/8479 cut-off events. For 29232/29242 co-relation queries the response was YES. Maximal size of possible extension queue 213. Compared 73570 event pairs, 577 based on Foata normal form. 25/8324 useless extension candidates. Maximal degree in co-relation 31869. Up to 2006 conditions per place. [2021-12-07 00:08:08,289 INFO L132 encePairwiseOnDemand]: 274/313 looper letters, 789 selfloop transitions, 219 changer transitions 3/1137 dead transitions. [2021-12-07 00:08:08,289 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 495 places, 1137 transitions, 11775 flow [2021-12-07 00:08:08,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-12-07 00:08:08,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2021-12-07 00:08:08,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 5122 transitions. [2021-12-07 00:08:08,294 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.4675490643541762 [2021-12-07 00:08:08,294 INFO L72 ComplementDD]: Start complementDD. Operand 35 states and 5122 transitions. [2021-12-07 00:08:08,294 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 5122 transitions. [2021-12-07 00:08:08,295 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:08:08,295 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 35 states and 5122 transitions. [2021-12-07 00:08:08,299 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 36 states, 35 states have (on average 146.34285714285716) internal successors, (5122), 35 states have internal predecessors, (5122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:08:08,305 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 36 states, 36 states have (on average 313.0) internal successors, (11268), 36 states have internal predecessors, (11268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:08:08,306 INFO L81 ComplementDD]: Finished complementDD. Result has 36 states, 36 states have (on average 313.0) internal successors, (11268), 36 states have internal predecessors, (11268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:08:08,306 INFO L186 Difference]: Start difference. First operand has 461 places, 721 transitions, 6496 flow. Second operand 35 states and 5122 transitions. [2021-12-07 00:08:08,306 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 495 places, 1137 transitions, 11775 flow [2021-12-07 00:08:08,436 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 465 places, 1137 transitions, 11485 flow, removed 50 selfloop flow, removed 30 redundant places. [2021-12-07 00:08:08,449 INFO L242 Difference]: Finished difference. Result has 473 places, 799 transitions, 8245 flow [2021-12-07 00:08:08,450 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=6276, PETRI_DIFFERENCE_MINUEND_PLACES=431, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=721, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=142, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=520, PETRI_DIFFERENCE_SUBTRAHEND_STATES=35, PETRI_FLOW=8245, PETRI_PLACES=473, PETRI_TRANSITIONS=799} [2021-12-07 00:08:08,450 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 157 predicate places. [2021-12-07 00:08:08,450 INFO L470 AbstractCegarLoop]: Abstraction has has 473 places, 799 transitions, 8245 flow [2021-12-07 00:08:08,451 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 138.16) internal successors, (3454), 25 states have internal predecessors, (3454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:08:08,451 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:08:08,451 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:08:08,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-07 00:08:08,451 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-12-07 00:08:08,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:08:08,451 INFO L85 PathProgramCache]: Analyzing trace with hash -964228804, now seen corresponding path program 4 times [2021-12-07 00:08:08,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:08:08,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098642978] [2021-12-07 00:08:08,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:08:08,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:08:08,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:08,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:08:08,938 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:08:08,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098642978] [2021-12-07 00:08:08,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098642978] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:08:08,938 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:08:08,938 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2021-12-07 00:08:08,938 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275164267] [2021-12-07 00:08:08,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:08:08,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-12-07 00:08:08,939 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:08:08,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-12-07 00:08:08,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=523, Unknown=0, NotChecked=0, Total=600 [2021-12-07 00:08:08,942 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 313 [2021-12-07 00:08:08,944 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 473 places, 799 transitions, 8245 flow. Second operand has 25 states, 25 states have (on average 138.16) internal successors, (3454), 25 states have internal predecessors, (3454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:08:08,944 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:08:08,944 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 313 [2021-12-07 00:08:08,944 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:08:13,611 INFO L129 PetriNetUnfolder]: 3313/9908 cut-off events. [2021-12-07 00:08:13,611 INFO L130 PetriNetUnfolder]: For 44076/44088 co-relation queries the response was YES. [2021-12-07 00:08:13,667 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39287 conditions, 9908 events. 3313/9908 cut-off events. For 44076/44088 co-relation queries the response was YES. Maximal size of possible extension queue 258. Compared 88783 event pairs, 582 based on Foata normal form. 27/9748 useless extension candidates. Maximal degree in co-relation 39104. Up to 1953 conditions per place. [2021-12-07 00:08:13,691 INFO L132 encePairwiseOnDemand]: 273/313 looper letters, 853 selfloop transitions, 282 changer transitions 3/1264 dead transitions. [2021-12-07 00:08:13,691 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 510 places, 1264 transitions, 14672 flow [2021-12-07 00:08:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-12-07 00:08:13,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2021-12-07 00:08:13,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 5542 transitions. [2021-12-07 00:08:13,698 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.4659492180931562 [2021-12-07 00:08:13,698 INFO L72 ComplementDD]: Start complementDD. Operand 38 states and 5542 transitions. [2021-12-07 00:08:13,698 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 5542 transitions. [2021-12-07 00:08:13,700 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:08:13,700 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 38 states and 5542 transitions. [2021-12-07 00:08:13,708 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 39 states, 38 states have (on average 145.8421052631579) internal successors, (5542), 38 states have internal predecessors, (5542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:08:13,717 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 39 states, 39 states have (on average 313.0) internal successors, (12207), 39 states have internal predecessors, (12207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:08:13,719 INFO L81 ComplementDD]: Finished complementDD. Result has 39 states, 39 states have (on average 313.0) internal successors, (12207), 39 states have internal predecessors, (12207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:08:13,719 INFO L186 Difference]: Start difference. First operand has 473 places, 799 transitions, 8245 flow. Second operand 38 states and 5542 transitions. [2021-12-07 00:08:13,719 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 510 places, 1264 transitions, 14672 flow [2021-12-07 00:08:13,944 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 490 places, 1264 transitions, 14559 flow, removed 22 selfloop flow, removed 20 redundant places. [2021-12-07 00:08:13,959 INFO L242 Difference]: Finished difference. Result has 503 places, 897 transitions, 10905 flow [2021-12-07 00:08:13,960 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=8158, PETRI_DIFFERENCE_MINUEND_PLACES=453, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=799, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=186, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=542, PETRI_DIFFERENCE_SUBTRAHEND_STATES=38, PETRI_FLOW=10905, PETRI_PLACES=503, PETRI_TRANSITIONS=897} [2021-12-07 00:08:13,960 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 187 predicate places. [2021-12-07 00:08:13,960 INFO L470 AbstractCegarLoop]: Abstraction has has 503 places, 897 transitions, 10905 flow [2021-12-07 00:08:13,961 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 138.16) internal successors, (3454), 25 states have internal predecessors, (3454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:08:13,961 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:08:13,961 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:08:13,961 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-07 00:08:13,961 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-12-07 00:08:13,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:08:13,962 INFO L85 PathProgramCache]: Analyzing trace with hash 22649096, now seen corresponding path program 5 times [2021-12-07 00:08:13,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:08:13,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680085631] [2021-12-07 00:08:13,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:08:13,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:08:14,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:14,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:08:14,503 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:08:14,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680085631] [2021-12-07 00:08:14,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680085631] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:08:14,503 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:08:14,503 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2021-12-07 00:08:14,503 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103044357] [2021-12-07 00:08:14,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:08:14,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-12-07 00:08:14,504 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:08:14,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-12-07 00:08:14,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=523, Unknown=0, NotChecked=0, Total=600 [2021-12-07 00:08:14,507 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 313 [2021-12-07 00:08:14,509 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 503 places, 897 transitions, 10905 flow. Second operand has 25 states, 25 states have (on average 138.16) internal successors, (3454), 25 states have internal predecessors, (3454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:08:14,509 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:08:14,509 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 313 [2021-12-07 00:08:14,509 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:08:19,888 INFO L129 PetriNetUnfolder]: 3742/11212 cut-off events. [2021-12-07 00:08:19,888 INFO L130 PetriNetUnfolder]: For 64256/64270 co-relation queries the response was YES. [2021-12-07 00:08:19,971 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46881 conditions, 11212 events. 3742/11212 cut-off events. For 64256/64270 co-relation queries the response was YES. Maximal size of possible extension queue 301. Compared 104095 event pairs, 625 based on Foata normal form. 29/11041 useless extension candidates. Maximal degree in co-relation 46682. Up to 2502 conditions per place. [2021-12-07 00:08:20,004 INFO L132 encePairwiseOnDemand]: 273/313 looper letters, 865 selfloop transitions, 334 changer transitions 3/1328 dead transitions. [2021-12-07 00:08:20,004 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 539 places, 1328 transitions, 17228 flow [2021-12-07 00:08:20,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-12-07 00:08:20,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2021-12-07 00:08:20,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 5399 transitions. [2021-12-07 00:08:20,010 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.4661946291339263 [2021-12-07 00:08:20,010 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 5399 transitions. [2021-12-07 00:08:20,010 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 5399 transitions. [2021-12-07 00:08:20,012 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:08:20,012 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 5399 transitions. [2021-12-07 00:08:20,018 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 145.9189189189189) internal successors, (5399), 37 states have internal predecessors, (5399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:08:20,026 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 313.0) internal successors, (11894), 38 states have internal predecessors, (11894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:08:20,027 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 313.0) internal successors, (11894), 38 states have internal predecessors, (11894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:08:20,027 INFO L186 Difference]: Start difference. First operand has 503 places, 897 transitions, 10905 flow. Second operand 37 states and 5399 transitions. [2021-12-07 00:08:20,027 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 539 places, 1328 transitions, 17228 flow [2021-12-07 00:08:20,439 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 521 places, 1328 transitions, 17087 flow, removed 50 selfloop flow, removed 18 redundant places. [2021-12-07 00:08:20,460 INFO L242 Difference]: Finished difference. Result has 532 places, 973 transitions, 13618 flow [2021-12-07 00:08:20,461 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=10770, PETRI_DIFFERENCE_MINUEND_PLACES=485, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=897, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=259, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=580, PETRI_DIFFERENCE_SUBTRAHEND_STATES=37, PETRI_FLOW=13618, PETRI_PLACES=532, PETRI_TRANSITIONS=973} [2021-12-07 00:08:20,461 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 216 predicate places. [2021-12-07 00:08:20,462 INFO L470 AbstractCegarLoop]: Abstraction has has 532 places, 973 transitions, 13618 flow [2021-12-07 00:08:20,462 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 138.16) internal successors, (3454), 25 states have internal predecessors, (3454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:08:20,462 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:08:20,462 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:08:20,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-07 00:08:20,462 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-12-07 00:08:20,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:08:20,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1616213939, now seen corresponding path program 1 times [2021-12-07 00:08:20,463 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:08:20,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392098080] [2021-12-07 00:08:20,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:08:20,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:08:20,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:20,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:08:20,572 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:08:20,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392098080] [2021-12-07 00:08:20,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392098080] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:08:20,572 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:08:20,572 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 00:08:20,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460776338] [2021-12-07 00:08:20,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:08:20,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:08:20,573 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:08:20,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:08:20,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:08:20,574 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 313 [2021-12-07 00:08:20,575 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 532 places, 973 transitions, 13618 flow. Second operand has 6 states, 6 states have (on average 200.16666666666666) internal successors, (1201), 6 states have internal predecessors, (1201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:08:20,575 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:08:20,575 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 313 [2021-12-07 00:08:20,576 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:08:23,962 INFO L129 PetriNetUnfolder]: 3007/10128 cut-off events. [2021-12-07 00:08:23,962 INFO L130 PetriNetUnfolder]: For 70545/70694 co-relation queries the response was YES. [2021-12-07 00:08:24,102 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43546 conditions, 10128 events. 3007/10128 cut-off events. For 70545/70694 co-relation queries the response was YES. Maximal size of possible extension queue 293. Compared 96701 event pairs, 1051 based on Foata normal form. 95/10082 useless extension candidates. Maximal degree in co-relation 43354. Up to 5804 conditions per place. [2021-12-07 00:08:24,123 INFO L132 encePairwiseOnDemand]: 290/313 looper letters, 626 selfloop transitions, 95 changer transitions 105/1107 dead transitions. [2021-12-07 00:08:24,123 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 537 places, 1107 transitions, 16432 flow [2021-12-07 00:08:24,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 00:08:24,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-07 00:08:24,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1331 transitions. [2021-12-07 00:08:24,124 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7087326943556975 [2021-12-07 00:08:24,124 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1331 transitions. [2021-12-07 00:08:24,124 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1331 transitions. [2021-12-07 00:08:24,125 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:08:24,125 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1331 transitions. [2021-12-07 00:08:24,126 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 221.83333333333334) internal successors, (1331), 6 states have internal predecessors, (1331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:08:24,127 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:08:24,127 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:08:24,127 INFO L186 Difference]: Start difference. First operand has 532 places, 973 transitions, 13618 flow. Second operand 6 states and 1331 transitions. [2021-12-07 00:08:24,127 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 537 places, 1107 transitions, 16432 flow [2021-12-07 00:08:24,499 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 518 places, 1107 transitions, 16304 flow, removed 40 selfloop flow, removed 19 redundant places. [2021-12-07 00:08:24,515 INFO L242 Difference]: Finished difference. Result has 523 places, 969 transitions, 13139 flow [2021-12-07 00:08:24,515 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=13490, PETRI_DIFFERENCE_MINUEND_PLACES=513, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=973, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=926, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=13139, PETRI_PLACES=523, PETRI_TRANSITIONS=969} [2021-12-07 00:08:24,516 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 207 predicate places. [2021-12-07 00:08:24,516 INFO L470 AbstractCegarLoop]: Abstraction has has 523 places, 969 transitions, 13139 flow [2021-12-07 00:08:24,516 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 200.16666666666666) internal successors, (1201), 6 states have internal predecessors, (1201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:08:24,516 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:08:24,516 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:08:24,516 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-07 00:08:24,516 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-12-07 00:08:24,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:08:24,517 INFO L85 PathProgramCache]: Analyzing trace with hash 152671382, now seen corresponding path program 1 times [2021-12-07 00:08:24,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:08:24,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425553022] [2021-12-07 00:08:24,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:08:24,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:08:24,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:24,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:08:24,994 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:08:24,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425553022] [2021-12-07 00:08:24,994 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425553022] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:08:24,994 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:08:24,994 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2021-12-07 00:08:24,994 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087974749] [2021-12-07 00:08:24,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:08:24,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-12-07 00:08:24,995 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:08:24,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-12-07 00:08:24,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=525, Unknown=0, NotChecked=0, Total=600 [2021-12-07 00:08:24,998 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 313 [2021-12-07 00:08:24,999 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 523 places, 969 transitions, 13139 flow. Second operand has 25 states, 25 states have (on average 138.36) internal successors, (3459), 25 states have internal predecessors, (3459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:08:24,999 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:08:24,999 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 313 [2021-12-07 00:08:24,999 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:08:30,604 INFO L129 PetriNetUnfolder]: 3664/10865 cut-off events. [2021-12-07 00:08:30,604 INFO L130 PetriNetUnfolder]: For 84388/84393 co-relation queries the response was YES. [2021-12-07 00:08:30,709 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50295 conditions, 10865 events. 3664/10865 cut-off events. For 84388/84393 co-relation queries the response was YES. Maximal size of possible extension queue 277. Compared 98512 event pairs, 630 based on Foata normal form. 10/10786 useless extension candidates. Maximal degree in co-relation 50083. Up to 2346 conditions per place. [2021-12-07 00:08:30,739 INFO L132 encePairwiseOnDemand]: 277/313 looper letters, 795 selfloop transitions, 251 changer transitions 28/1200 dead transitions. [2021-12-07 00:08:30,739 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 535 places, 1200 transitions, 17153 flow [2021-12-07 00:08:30,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-12-07 00:08:30,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2021-12-07 00:08:30,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 5309 transitions. [2021-12-07 00:08:30,743 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.4584232795095415 [2021-12-07 00:08:30,743 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 5309 transitions. [2021-12-07 00:08:30,743 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 5309 transitions. [2021-12-07 00:08:30,744 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:08:30,744 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 5309 transitions. [2021-12-07 00:08:30,748 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 143.48648648648648) internal successors, (5309), 37 states have internal predecessors, (5309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:08:30,803 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 313.0) internal successors, (11894), 38 states have internal predecessors, (11894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:08:30,804 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 313.0) internal successors, (11894), 38 states have internal predecessors, (11894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:08:30,804 INFO L186 Difference]: Start difference. First operand has 523 places, 969 transitions, 13139 flow. Second operand 37 states and 5309 transitions. [2021-12-07 00:08:30,804 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 535 places, 1200 transitions, 17153 flow [2021-12-07 00:08:31,264 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 524 places, 1200 transitions, 16735 flow, removed 141 selfloop flow, removed 11 redundant places. [2021-12-07 00:08:31,282 INFO L242 Difference]: Finished difference. Result has 527 places, 978 transitions, 13704 flow [2021-12-07 00:08:31,282 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=12763, PETRI_DIFFERENCE_MINUEND_PLACES=488, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=969, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=242, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=718, PETRI_DIFFERENCE_SUBTRAHEND_STATES=37, PETRI_FLOW=13704, PETRI_PLACES=527, PETRI_TRANSITIONS=978} [2021-12-07 00:08:31,283 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 211 predicate places. [2021-12-07 00:08:31,283 INFO L470 AbstractCegarLoop]: Abstraction has has 527 places, 978 transitions, 13704 flow [2021-12-07 00:08:31,283 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 138.36) internal successors, (3459), 25 states have internal predecessors, (3459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:08:31,283 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:08:31,283 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:08:31,283 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-12-07 00:08:31,284 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-12-07 00:08:31,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:08:31,284 INFO L85 PathProgramCache]: Analyzing trace with hash -388934614, now seen corresponding path program 2 times [2021-12-07 00:08:31,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:08:31,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012205286] [2021-12-07 00:08:31,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:08:31,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:08:31,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:32,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:08:32,512 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:08:32,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012205286] [2021-12-07 00:08:32,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012205286] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:08:32,512 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:08:32,512 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-12-07 00:08:32,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834782293] [2021-12-07 00:08:32,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:08:32,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-12-07 00:08:32,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:08:32,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-12-07 00:08:32,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=709, Unknown=0, NotChecked=0, Total=812 [2021-12-07 00:08:32,516 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 313 [2021-12-07 00:08:32,518 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 527 places, 978 transitions, 13704 flow. Second operand has 29 states, 29 states have (on average 136.6551724137931) internal successors, (3963), 29 states have internal predecessors, (3963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:08:32,518 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:08:32,518 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 313 [2021-12-07 00:08:32,518 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:08:39,297 INFO L129 PetriNetUnfolder]: 3914/11456 cut-off events. [2021-12-07 00:08:39,297 INFO L130 PetriNetUnfolder]: For 105872/105883 co-relation queries the response was YES. [2021-12-07 00:08:39,388 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54572 conditions, 11456 events. 3914/11456 cut-off events. For 105872/105883 co-relation queries the response was YES. Maximal size of possible extension queue 273. Compared 104753 event pairs, 989 based on Foata normal form. 10/11352 useless extension candidates. Maximal degree in co-relation 54359. Up to 4240 conditions per place. [2021-12-07 00:08:39,417 INFO L132 encePairwiseOnDemand]: 278/313 looper letters, 1091 selfloop transitions, 144 changer transitions 45/1404 dead transitions. [2021-12-07 00:08:39,417 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 565 places, 1404 transitions, 20234 flow [2021-12-07 00:08:39,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-12-07 00:08:39,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2021-12-07 00:08:39,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 5613 transitions. [2021-12-07 00:08:39,423 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.45981813713443104 [2021-12-07 00:08:39,423 INFO L72 ComplementDD]: Start complementDD. Operand 39 states and 5613 transitions. [2021-12-07 00:08:39,424 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 5613 transitions. [2021-12-07 00:08:39,425 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:08:39,425 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 39 states and 5613 transitions. [2021-12-07 00:08:39,432 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 40 states, 39 states have (on average 143.92307692307693) internal successors, (5613), 39 states have internal predecessors, (5613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:08:39,441 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 40 states, 40 states have (on average 313.0) internal successors, (12520), 40 states have internal predecessors, (12520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:08:39,443 INFO L81 ComplementDD]: Finished complementDD. Result has 40 states, 40 states have (on average 313.0) internal successors, (12520), 40 states have internal predecessors, (12520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:08:39,443 INFO L186 Difference]: Start difference. First operand has 527 places, 978 transitions, 13704 flow. Second operand 39 states and 5613 transitions. [2021-12-07 00:08:39,443 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 565 places, 1404 transitions, 20234 flow [2021-12-07 00:08:39,913 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 531 places, 1404 transitions, 19782 flow, removed 14 selfloop flow, removed 34 redundant places. [2021-12-07 00:08:39,933 INFO L242 Difference]: Finished difference. Result has 534 places, 1017 transitions, 14749 flow [2021-12-07 00:08:39,934 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=13277, PETRI_DIFFERENCE_MINUEND_PLACES=493, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=978, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=105, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=841, PETRI_DIFFERENCE_SUBTRAHEND_STATES=39, PETRI_FLOW=14749, PETRI_PLACES=534, PETRI_TRANSITIONS=1017} [2021-12-07 00:08:39,934 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 218 predicate places. [2021-12-07 00:08:39,934 INFO L470 AbstractCegarLoop]: Abstraction has has 534 places, 1017 transitions, 14749 flow [2021-12-07 00:08:39,935 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 136.6551724137931) internal successors, (3963), 29 states have internal predecessors, (3963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:08:39,935 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:08:39,935 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:08:39,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-12-07 00:08:39,935 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-12-07 00:08:39,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:08:39,935 INFO L85 PathProgramCache]: Analyzing trace with hash -2052251690, now seen corresponding path program 3 times [2021-12-07 00:08:39,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:08:39,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403758738] [2021-12-07 00:08:39,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:08:39,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:08:39,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:40,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:08:40,418 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:08:40,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403758738] [2021-12-07 00:08:40,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403758738] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:08:40,418 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:08:40,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-12-07 00:08:40,418 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638596326] [2021-12-07 00:08:40,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:08:40,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-12-07 00:08:40,419 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:08:40,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-12-07 00:08:40,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=562, Unknown=0, NotChecked=0, Total=650 [2021-12-07 00:08:40,421 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 313 [2021-12-07 00:08:40,423 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 534 places, 1017 transitions, 14749 flow. Second operand has 26 states, 26 states have (on average 137.19230769230768) internal successors, (3567), 26 states have internal predecessors, (3567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:08:40,423 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:08:40,423 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 313 [2021-12-07 00:08:40,423 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:08:46,405 INFO L129 PetriNetUnfolder]: 3916/11523 cut-off events. [2021-12-07 00:08:46,406 INFO L130 PetriNetUnfolder]: For 107220/107225 co-relation queries the response was YES. [2021-12-07 00:08:46,508 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54879 conditions, 11523 events. 3916/11523 cut-off events. For 107220/107225 co-relation queries the response was YES. Maximal size of possible extension queue 289. Compared 105836 event pairs, 632 based on Foata normal form. 10/11465 useless extension candidates. Maximal degree in co-relation 54663. Up to 2378 conditions per place. [2021-12-07 00:08:46,543 INFO L132 encePairwiseOnDemand]: 273/313 looper letters, 931 selfloop transitions, 284 changer transitions 24/1363 dead transitions. [2021-12-07 00:08:46,543 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 577 places, 1363 transitions, 20101 flow [2021-12-07 00:08:46,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-12-07 00:08:46,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2021-12-07 00:08:46,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 6406 transitions. [2021-12-07 00:08:46,549 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.4548100816471424 [2021-12-07 00:08:46,549 INFO L72 ComplementDD]: Start complementDD. Operand 45 states and 6406 transitions. [2021-12-07 00:08:46,550 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 6406 transitions. [2021-12-07 00:08:46,551 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:08:46,551 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 45 states and 6406 transitions. [2021-12-07 00:08:46,557 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 46 states, 45 states have (on average 142.35555555555555) internal successors, (6406), 45 states have internal predecessors, (6406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:08:46,565 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 46 states, 46 states have (on average 313.0) internal successors, (14398), 46 states have internal predecessors, (14398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:08:46,566 INFO L81 ComplementDD]: Finished complementDD. Result has 46 states, 46 states have (on average 313.0) internal successors, (14398), 46 states have internal predecessors, (14398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:08:46,566 INFO L186 Difference]: Start difference. First operand has 534 places, 1017 transitions, 14749 flow. Second operand 45 states and 6406 transitions. [2021-12-07 00:08:46,566 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 577 places, 1363 transitions, 20101 flow [2021-12-07 00:08:47,136 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 548 places, 1363 transitions, 19868 flow, removed 14 selfloop flow, removed 29 redundant places. [2021-12-07 00:08:47,159 INFO L242 Difference]: Finished difference. Result has 552 places, 1029 transitions, 15501 flow [2021-12-07 00:08:47,160 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=14524, PETRI_DIFFERENCE_MINUEND_PLACES=504, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1017, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=272, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=733, PETRI_DIFFERENCE_SUBTRAHEND_STATES=45, PETRI_FLOW=15501, PETRI_PLACES=552, PETRI_TRANSITIONS=1029} [2021-12-07 00:08:47,160 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 236 predicate places. [2021-12-07 00:08:47,160 INFO L470 AbstractCegarLoop]: Abstraction has has 552 places, 1029 transitions, 15501 flow [2021-12-07 00:08:47,160 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 137.19230769230768) internal successors, (3567), 26 states have internal predecessors, (3567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:08:47,161 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:08:47,161 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:08:47,161 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-12-07 00:08:47,161 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-12-07 00:08:47,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:08:47,161 INFO L85 PathProgramCache]: Analyzing trace with hash -880340200, now seen corresponding path program 4 times [2021-12-07 00:08:47,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:08:47,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67009102] [2021-12-07 00:08:47,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:08:47,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:08:47,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:47,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:08:47,901 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:08:47,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67009102] [2021-12-07 00:08:47,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67009102] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:08:47,902 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:08:47,902 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-12-07 00:08:47,902 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027743543] [2021-12-07 00:08:47,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:08:47,902 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-12-07 00:08:47,902 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:08:47,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-12-07 00:08:47,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=606, Unknown=0, NotChecked=0, Total=702 [2021-12-07 00:08:47,905 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 313 [2021-12-07 00:08:47,907 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 552 places, 1029 transitions, 15501 flow. Second operand has 27 states, 27 states have (on average 137.0) internal successors, (3699), 27 states have internal predecessors, (3699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:08:47,907 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:08:47,907 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 313 [2021-12-07 00:08:47,907 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:08:58,304 INFO L129 PetriNetUnfolder]: 5908/17837 cut-off events. [2021-12-07 00:08:58,304 INFO L130 PetriNetUnfolder]: For 157049/157054 co-relation queries the response was YES. [2021-12-07 00:08:58,477 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83597 conditions, 17837 events. 5908/17837 cut-off events. For 157049/157054 co-relation queries the response was YES. Maximal size of possible extension queue 661. Compared 190961 event pairs, 817 based on Foata normal form. 10/17642 useless extension candidates. Maximal degree in co-relation 83376. Up to 2526 conditions per place. [2021-12-07 00:08:58,523 INFO L132 encePairwiseOnDemand]: 269/313 looper letters, 929 selfloop transitions, 628 changer transitions 43/1724 dead transitions. [2021-12-07 00:08:58,523 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 610 places, 1724 transitions, 26215 flow [2021-12-07 00:08:58,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-12-07 00:08:58,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2021-12-07 00:08:58,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 8445 transitions. [2021-12-07 00:08:58,533 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.4573022147614664 [2021-12-07 00:08:58,533 INFO L72 ComplementDD]: Start complementDD. Operand 59 states and 8445 transitions. [2021-12-07 00:08:58,533 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 8445 transitions. [2021-12-07 00:08:58,535 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:08:58,535 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 59 states and 8445 transitions. [2021-12-07 00:08:58,544 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 60 states, 59 states have (on average 143.135593220339) internal successors, (8445), 59 states have internal predecessors, (8445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:08:58,555 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 60 states, 60 states have (on average 313.0) internal successors, (18780), 60 states have internal predecessors, (18780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:08:58,556 INFO L81 ComplementDD]: Finished complementDD. Result has 60 states, 60 states have (on average 313.0) internal successors, (18780), 60 states have internal predecessors, (18780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:08:58,557 INFO L186 Difference]: Start difference. First operand has 552 places, 1029 transitions, 15501 flow. Second operand 59 states and 8445 transitions. [2021-12-07 00:08:58,557 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 610 places, 1724 transitions, 26215 flow [2021-12-07 00:08:59,695 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 571 places, 1724 transitions, 25458 flow, removed 47 selfloop flow, removed 39 redundant places. [2021-12-07 00:08:59,720 INFO L242 Difference]: Finished difference. Result has 583 places, 1212 transitions, 20489 flow [2021-12-07 00:08:59,721 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=14982, PETRI_DIFFERENCE_MINUEND_PLACES=513, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1029, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=457, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=544, PETRI_DIFFERENCE_SUBTRAHEND_STATES=59, PETRI_FLOW=20489, PETRI_PLACES=583, PETRI_TRANSITIONS=1212} [2021-12-07 00:08:59,722 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 267 predicate places. [2021-12-07 00:08:59,722 INFO L470 AbstractCegarLoop]: Abstraction has has 583 places, 1212 transitions, 20489 flow [2021-12-07 00:08:59,722 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 137.0) internal successors, (3699), 27 states have internal predecessors, (3699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:08:59,722 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:08:59,722 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:08:59,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-12-07 00:08:59,723 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-12-07 00:08:59,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:08:59,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1457211908, now seen corresponding path program 5 times [2021-12-07 00:08:59,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:08:59,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771463316] [2021-12-07 00:08:59,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:08:59,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:08:59,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:00,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:09:00,237 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:09:00,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771463316] [2021-12-07 00:09:00,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771463316] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:09:00,238 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:09:00,238 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2021-12-07 00:09:00,238 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521068651] [2021-12-07 00:09:00,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:09:00,238 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-12-07 00:09:00,238 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:09:00,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-12-07 00:09:00,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=525, Unknown=0, NotChecked=0, Total=600 [2021-12-07 00:09:00,241 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 313 [2021-12-07 00:09:00,243 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 583 places, 1212 transitions, 20489 flow. Second operand has 25 states, 25 states have (on average 138.36) internal successors, (3459), 25 states have internal predecessors, (3459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:09:00,243 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:09:00,243 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 313 [2021-12-07 00:09:00,243 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:09:09,416 INFO L129 PetriNetUnfolder]: 5885/17378 cut-off events. [2021-12-07 00:09:09,416 INFO L130 PetriNetUnfolder]: For 176386/176390 co-relation queries the response was YES. [2021-12-07 00:09:09,600 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87021 conditions, 17378 events. 5885/17378 cut-off events. For 176386/176390 co-relation queries the response was YES. Maximal size of possible extension queue 643. Compared 182537 event pairs, 1460 based on Foata normal form. 9/17062 useless extension candidates. Maximal degree in co-relation 86786. Up to 4700 conditions per place. [2021-12-07 00:09:09,647 INFO L132 encePairwiseOnDemand]: 273/313 looper letters, 999 selfloop transitions, 391 changer transitions 24/1540 dead transitions. [2021-12-07 00:09:09,647 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 617 places, 1540 transitions, 26199 flow [2021-12-07 00:09:09,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-12-07 00:09:09,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2021-12-07 00:09:09,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 5079 transitions. [2021-12-07 00:09:09,651 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.4636239160200821 [2021-12-07 00:09:09,651 INFO L72 ComplementDD]: Start complementDD. Operand 35 states and 5079 transitions. [2021-12-07 00:09:09,651 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 5079 transitions. [2021-12-07 00:09:09,651 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:09:09,652 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 35 states and 5079 transitions. [2021-12-07 00:09:09,655 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 36 states, 35 states have (on average 145.11428571428573) internal successors, (5079), 35 states have internal predecessors, (5079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:09:09,659 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 36 states, 36 states have (on average 313.0) internal successors, (11268), 36 states have internal predecessors, (11268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:09:09,660 INFO L81 ComplementDD]: Finished complementDD. Result has 36 states, 36 states have (on average 313.0) internal successors, (11268), 36 states have internal predecessors, (11268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:09:09,660 INFO L186 Difference]: Start difference. First operand has 583 places, 1212 transitions, 20489 flow. Second operand 35 states and 5079 transitions. [2021-12-07 00:09:09,660 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 617 places, 1540 transitions, 26199 flow [2021-12-07 00:09:11,414 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 569 places, 1540 transitions, 25607 flow, removed 111 selfloop flow, removed 48 redundant places. [2021-12-07 00:09:11,443 INFO L242 Difference]: Finished difference. Result has 572 places, 1226 transitions, 21648 flow [2021-12-07 00:09:11,444 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=19926, PETRI_DIFFERENCE_MINUEND_PLACES=535, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=377, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=821, PETRI_DIFFERENCE_SUBTRAHEND_STATES=35, PETRI_FLOW=21648, PETRI_PLACES=572, PETRI_TRANSITIONS=1226} [2021-12-07 00:09:11,444 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 256 predicate places. [2021-12-07 00:09:11,445 INFO L470 AbstractCegarLoop]: Abstraction has has 572 places, 1226 transitions, 21648 flow [2021-12-07 00:09:11,445 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 138.36) internal successors, (3459), 25 states have internal predecessors, (3459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:09:11,445 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:09:11,445 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:09:11,445 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-12-07 00:09:11,445 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-12-07 00:09:11,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:09:11,446 INFO L85 PathProgramCache]: Analyzing trace with hash -555439504, now seen corresponding path program 6 times [2021-12-07 00:09:11,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:09:11,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879623297] [2021-12-07 00:09:11,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:09:11,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:09:11,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:11,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:09:11,998 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:09:11,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879623297] [2021-12-07 00:09:11,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879623297] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:09:11,998 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:09:11,998 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2021-12-07 00:09:11,998 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260202243] [2021-12-07 00:09:11,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:09:11,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-12-07 00:09:11,999 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:09:11,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-12-07 00:09:11,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=525, Unknown=0, NotChecked=0, Total=600 [2021-12-07 00:09:12,002 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 313 [2021-12-07 00:09:12,005 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 572 places, 1226 transitions, 21648 flow. Second operand has 25 states, 25 states have (on average 138.36) internal successors, (3459), 25 states have internal predecessors, (3459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:09:12,005 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:09:12,005 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 313 [2021-12-07 00:09:12,005 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:09:20,852 INFO L129 PetriNetUnfolder]: 5903/17293 cut-off events. [2021-12-07 00:09:20,852 INFO L130 PetriNetUnfolder]: For 194232/194237 co-relation queries the response was YES. [2021-12-07 00:09:21,031 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87610 conditions, 17293 events. 5903/17293 cut-off events. For 194232/194237 co-relation queries the response was YES. Maximal size of possible extension queue 657. Compared 180703 event pairs, 1440 based on Foata normal form. 13/16977 useless extension candidates. Maximal degree in co-relation 87386. Up to 4501 conditions per place. [2021-12-07 00:09:21,160 INFO L132 encePairwiseOnDemand]: 273/313 looper letters, 1032 selfloop transitions, 384 changer transitions 24/1566 dead transitions. [2021-12-07 00:09:21,160 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 606 places, 1566 transitions, 27837 flow [2021-12-07 00:09:21,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-12-07 00:09:21,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2021-12-07 00:09:21,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 5078 transitions. [2021-12-07 00:09:21,164 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.46353263350068463 [2021-12-07 00:09:21,164 INFO L72 ComplementDD]: Start complementDD. Operand 35 states and 5078 transitions. [2021-12-07 00:09:21,164 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 5078 transitions. [2021-12-07 00:09:21,164 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:09:21,165 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 35 states and 5078 transitions. [2021-12-07 00:09:21,168 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 36 states, 35 states have (on average 145.0857142857143) internal successors, (5078), 35 states have internal predecessors, (5078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:09:21,173 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 36 states, 36 states have (on average 313.0) internal successors, (11268), 36 states have internal predecessors, (11268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:09:21,174 INFO L81 ComplementDD]: Finished complementDD. Result has 36 states, 36 states have (on average 313.0) internal successors, (11268), 36 states have internal predecessors, (11268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:09:21,174 INFO L186 Difference]: Start difference. First operand has 572 places, 1226 transitions, 21648 flow. Second operand 35 states and 5078 transitions. [2021-12-07 00:09:21,174 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 606 places, 1566 transitions, 27837 flow [2021-12-07 00:09:22,737 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 578 places, 1566 transitions, 27581 flow, removed 11 selfloop flow, removed 28 redundant places. [2021-12-07 00:09:22,762 INFO L242 Difference]: Finished difference. Result has 581 places, 1240 transitions, 23090 flow [2021-12-07 00:09:22,763 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=21392, PETRI_DIFFERENCE_MINUEND_PLACES=544, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=370, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=842, PETRI_DIFFERENCE_SUBTRAHEND_STATES=35, PETRI_FLOW=23090, PETRI_PLACES=581, PETRI_TRANSITIONS=1240} [2021-12-07 00:09:22,764 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 265 predicate places. [2021-12-07 00:09:22,764 INFO L470 AbstractCegarLoop]: Abstraction has has 581 places, 1240 transitions, 23090 flow [2021-12-07 00:09:22,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 138.36) internal successors, (3459), 25 states have internal predecessors, (3459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:09:22,764 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:09:22,764 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:09:22,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-12-07 00:09:22,765 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-12-07 00:09:22,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:09:22,765 INFO L85 PathProgramCache]: Analyzing trace with hash 105488240, now seen corresponding path program 7 times [2021-12-07 00:09:22,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:09:22,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481946949] [2021-12-07 00:09:22,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:09:22,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:09:22,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:23,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:09:23,173 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:09:23,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481946949] [2021-12-07 00:09:23,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481946949] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:09:23,173 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:09:23,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2021-12-07 00:09:23,173 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368782272] [2021-12-07 00:09:23,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:09:23,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-12-07 00:09:23,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:09:23,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-12-07 00:09:23,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=522, Unknown=0, NotChecked=0, Total=600 [2021-12-07 00:09:23,177 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 313 [2021-12-07 00:09:23,178 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 581 places, 1240 transitions, 23090 flow. Second operand has 25 states, 25 states have (on average 138.36) internal successors, (3459), 25 states have internal predecessors, (3459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:09:23,178 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:09:23,179 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 313 [2021-12-07 00:09:23,179 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:09:32,413 INFO L129 PetriNetUnfolder]: 5931/17486 cut-off events. [2021-12-07 00:09:32,413 INFO L130 PetriNetUnfolder]: For 223324/223328 co-relation queries the response was YES. [2021-12-07 00:09:32,567 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90208 conditions, 17486 events. 5931/17486 cut-off events. For 223324/223328 co-relation queries the response was YES. Maximal size of possible extension queue 644. Compared 183718 event pairs, 1465 based on Foata normal form. 9/17168 useless extension candidates. Maximal degree in co-relation 89979. Up to 4727 conditions per place. [2021-12-07 00:09:32,614 INFO L132 encePairwiseOnDemand]: 273/313 looper letters, 1017 selfloop transitions, 413 changer transitions 24/1580 dead transitions. [2021-12-07 00:09:32,614 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 615 places, 1580 transitions, 29083 flow [2021-12-07 00:09:32,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-12-07 00:09:32,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2021-12-07 00:09:32,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 5086 transitions. [2021-12-07 00:09:32,617 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.4642628936558649 [2021-12-07 00:09:32,617 INFO L72 ComplementDD]: Start complementDD. Operand 35 states and 5086 transitions. [2021-12-07 00:09:32,617 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 5086 transitions. [2021-12-07 00:09:32,618 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:09:32,618 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 35 states and 5086 transitions. [2021-12-07 00:09:32,621 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 36 states, 35 states have (on average 145.31428571428572) internal successors, (5086), 35 states have internal predecessors, (5086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:09:32,626 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 36 states, 36 states have (on average 313.0) internal successors, (11268), 36 states have internal predecessors, (11268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:09:32,627 INFO L81 ComplementDD]: Finished complementDD. Result has 36 states, 36 states have (on average 313.0) internal successors, (11268), 36 states have internal predecessors, (11268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:09:32,627 INFO L186 Difference]: Start difference. First operand has 581 places, 1240 transitions, 23090 flow. Second operand 35 states and 5086 transitions. [2021-12-07 00:09:32,627 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 615 places, 1580 transitions, 29083 flow [2021-12-07 00:09:34,453 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 587 places, 1580 transitions, 28529 flow, removed 20 selfloop flow, removed 28 redundant places. [2021-12-07 00:09:34,479 INFO L242 Difference]: Finished difference. Result has 591 places, 1261 transitions, 24541 flow [2021-12-07 00:09:34,480 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=22553, PETRI_DIFFERENCE_MINUEND_PLACES=553, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1240, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=392, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=827, PETRI_DIFFERENCE_SUBTRAHEND_STATES=35, PETRI_FLOW=24541, PETRI_PLACES=591, PETRI_TRANSITIONS=1261} [2021-12-07 00:09:34,480 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 275 predicate places. [2021-12-07 00:09:34,481 INFO L470 AbstractCegarLoop]: Abstraction has has 591 places, 1261 transitions, 24541 flow [2021-12-07 00:09:34,481 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 138.36) internal successors, (3459), 25 states have internal predecessors, (3459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:09:34,481 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:09:34,481 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:09:34,481 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-12-07 00:09:34,482 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-12-07 00:09:34,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:09:34,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1009821272, now seen corresponding path program 8 times [2021-12-07 00:09:34,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:09:34,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756940884] [2021-12-07 00:09:34,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:09:34,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:09:34,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:34,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:09:34,940 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:09:34,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756940884] [2021-12-07 00:09:34,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756940884] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:09:34,940 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:09:34,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-12-07 00:09:34,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014297206] [2021-12-07 00:09:34,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:09:34,941 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-12-07 00:09:34,941 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:09:34,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-12-07 00:09:34,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=621, Unknown=0, NotChecked=0, Total=702 [2021-12-07 00:09:34,944 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 313 [2021-12-07 00:09:34,945 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 591 places, 1261 transitions, 24541 flow. Second operand has 27 states, 27 states have (on average 137.0) internal successors, (3699), 27 states have internal predecessors, (3699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:09:34,945 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:09:34,945 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 313 [2021-12-07 00:09:34,946 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:09:44,887 INFO L129 PetriNetUnfolder]: 5978/17460 cut-off events. [2021-12-07 00:09:44,888 INFO L130 PetriNetUnfolder]: For 247784/247789 co-relation queries the response was YES. [2021-12-07 00:09:45,047 INFO L84 FinitePrefix]: Finished finitePrefix Result has 91911 conditions, 17460 events. 5978/17460 cut-off events. For 247784/247789 co-relation queries the response was YES. Maximal size of possible extension queue 661. Compared 182503 event pairs, 1373 based on Foata normal form. 10/17157 useless extension candidates. Maximal degree in co-relation 91676. Up to 4012 conditions per place. [2021-12-07 00:09:45,095 INFO L132 encePairwiseOnDemand]: 269/313 looper letters, 1126 selfloop transitions, 450 changer transitions 24/1724 dead transitions. [2021-12-07 00:09:45,095 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 634 places, 1724 transitions, 31803 flow [2021-12-07 00:09:45,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-12-07 00:09:45,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2021-12-07 00:09:45,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 6349 transitions. [2021-12-07 00:09:45,099 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.46100784199825734 [2021-12-07 00:09:45,099 INFO L72 ComplementDD]: Start complementDD. Operand 44 states and 6349 transitions. [2021-12-07 00:09:45,099 INFO L73 IsDeterministic]: Start isDeterministic. Operand 44 states and 6349 transitions. [2021-12-07 00:09:45,100 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:09:45,100 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 44 states and 6349 transitions. [2021-12-07 00:09:45,121 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 45 states, 44 states have (on average 144.29545454545453) internal successors, (6349), 44 states have internal predecessors, (6349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:09:45,126 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 45 states, 45 states have (on average 313.0) internal successors, (14085), 45 states have internal predecessors, (14085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:09:45,127 INFO L81 ComplementDD]: Finished complementDD. Result has 45 states, 45 states have (on average 313.0) internal successors, (14085), 45 states have internal predecessors, (14085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:09:45,127 INFO L186 Difference]: Start difference. First operand has 591 places, 1261 transitions, 24541 flow. Second operand 44 states and 6349 transitions. [2021-12-07 00:09:45,127 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 634 places, 1724 transitions, 31803 flow [2021-12-07 00:09:47,031 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 604 places, 1724 transitions, 31510 flow, removed 17 selfloop flow, removed 30 redundant places. [2021-12-07 00:09:47,058 INFO L242 Difference]: Finished difference. Result has 608 places, 1293 transitions, 26261 flow [2021-12-07 00:09:47,059 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=24248, PETRI_DIFFERENCE_MINUEND_PLACES=561, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1261, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=418, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=823, PETRI_DIFFERENCE_SUBTRAHEND_STATES=44, PETRI_FLOW=26261, PETRI_PLACES=608, PETRI_TRANSITIONS=1293} [2021-12-07 00:09:47,060 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 292 predicate places. [2021-12-07 00:09:47,060 INFO L470 AbstractCegarLoop]: Abstraction has has 608 places, 1293 transitions, 26261 flow [2021-12-07 00:09:47,060 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 137.0) internal successors, (3699), 27 states have internal predecessors, (3699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:09:47,060 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:09:47,060 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:09:47,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-12-07 00:09:47,061 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-12-07 00:09:47,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:09:47,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1991122986, now seen corresponding path program 1 times [2021-12-07 00:09:47,061 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:09:47,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707983202] [2021-12-07 00:09:47,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:09:47,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:09:47,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:47,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:09:47,612 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:09:47,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707983202] [2021-12-07 00:09:47,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707983202] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:09:47,612 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:09:47,612 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-12-07 00:09:47,612 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184046361] [2021-12-07 00:09:47,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:09:47,612 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-12-07 00:09:47,613 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:09:47,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-12-07 00:09:47,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2021-12-07 00:09:47,616 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 313 [2021-12-07 00:09:47,617 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 608 places, 1293 transitions, 26261 flow. Second operand has 27 states, 27 states have (on average 136.0) internal successors, (3672), 27 states have internal predecessors, (3672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:09:47,617 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:09:47,617 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 313 [2021-12-07 00:09:47,617 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:09:57,933 INFO L129 PetriNetUnfolder]: 6368/18898 cut-off events. [2021-12-07 00:09:57,934 INFO L130 PetriNetUnfolder]: For 283990/283995 co-relation queries the response was YES. [2021-12-07 00:09:58,130 INFO L84 FinitePrefix]: Finished finitePrefix Result has 99306 conditions, 18898 events. 6368/18898 cut-off events. For 283990/283995 co-relation queries the response was YES. Maximal size of possible extension queue 631. Compared 199548 event pairs, 1132 based on Foata normal form. 17/18633 useless extension candidates. Maximal degree in co-relation 99066. Up to 3894 conditions per place. [2021-12-07 00:09:58,183 INFO L132 encePairwiseOnDemand]: 277/313 looper letters, 1322 selfloop transitions, 306 changer transitions 129/1880 dead transitions. [2021-12-07 00:09:58,183 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 658 places, 1880 transitions, 37641 flow [2021-12-07 00:09:58,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-12-07 00:09:58,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2021-12-07 00:09:58,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 7216 transitions. [2021-12-07 00:09:58,188 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.4520453548831673 [2021-12-07 00:09:58,188 INFO L72 ComplementDD]: Start complementDD. Operand 51 states and 7216 transitions. [2021-12-07 00:09:58,188 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 7216 transitions. [2021-12-07 00:09:58,189 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:09:58,189 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 51 states and 7216 transitions. [2021-12-07 00:09:58,194 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 52 states, 51 states have (on average 141.49019607843138) internal successors, (7216), 51 states have internal predecessors, (7216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:09:58,201 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 52 states, 52 states have (on average 313.0) internal successors, (16276), 52 states have internal predecessors, (16276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:09:58,202 INFO L81 ComplementDD]: Finished complementDD. Result has 52 states, 52 states have (on average 313.0) internal successors, (16276), 52 states have internal predecessors, (16276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:09:58,202 INFO L186 Difference]: Start difference. First operand has 608 places, 1293 transitions, 26261 flow. Second operand 51 states and 7216 transitions. [2021-12-07 00:09:58,203 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 658 places, 1880 transitions, 37641 flow [2021-12-07 00:10:00,193 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 628 places, 1880 transitions, 37318 flow, removed 54 selfloop flow, removed 30 redundant places. [2021-12-07 00:10:00,223 INFO L242 Difference]: Finished difference. Result has 640 places, 1337 transitions, 27056 flow [2021-12-07 00:10:00,224 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=26003, PETRI_DIFFERENCE_MINUEND_PLACES=578, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=264, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1008, PETRI_DIFFERENCE_SUBTRAHEND_STATES=51, PETRI_FLOW=27056, PETRI_PLACES=640, PETRI_TRANSITIONS=1337} [2021-12-07 00:10:00,224 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 324 predicate places. [2021-12-07 00:10:00,225 INFO L470 AbstractCegarLoop]: Abstraction has has 640 places, 1337 transitions, 27056 flow [2021-12-07 00:10:00,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 136.0) internal successors, (3672), 27 states have internal predecessors, (3672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:10:00,225 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:10:00,225 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:10:00,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-12-07 00:10:00,225 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-12-07 00:10:00,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:10:00,226 INFO L85 PathProgramCache]: Analyzing trace with hash 440190336, now seen corresponding path program 2 times [2021-12-07 00:10:00,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:10:00,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369290208] [2021-12-07 00:10:00,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:10:00,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:10:00,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:00,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:10:00,753 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:10:00,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369290208] [2021-12-07 00:10:00,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369290208] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:10:00,753 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:10:00,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-12-07 00:10:00,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401482699] [2021-12-07 00:10:00,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:10:00,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-12-07 00:10:00,754 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:10:00,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-12-07 00:10:00,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=622, Unknown=0, NotChecked=0, Total=702 [2021-12-07 00:10:00,757 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 313 [2021-12-07 00:10:00,759 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 640 places, 1337 transitions, 27056 flow. Second operand has 27 states, 27 states have (on average 136.0) internal successors, (3672), 27 states have internal predecessors, (3672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:10:00,759 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:10:00,759 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 313 [2021-12-07 00:10:00,759 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:10:13,095 INFO L129 PetriNetUnfolder]: 7207/21235 cut-off events. [2021-12-07 00:10:13,095 INFO L130 PetriNetUnfolder]: For 341550/341556 co-relation queries the response was YES. [2021-12-07 00:10:13,363 INFO L84 FinitePrefix]: Finished finitePrefix Result has 114313 conditions, 21235 events. 7207/21235 cut-off events. For 341550/341556 co-relation queries the response was YES. Maximal size of possible extension queue 675. Compared 226427 event pairs, 2002 based on Foata normal form. 12/20945 useless extension candidates. Maximal degree in co-relation 114058. Up to 4721 conditions per place. [2021-12-07 00:10:13,425 INFO L132 encePairwiseOnDemand]: 270/313 looper letters, 1346 selfloop transitions, 348 changer transitions 42/1859 dead transitions. [2021-12-07 00:10:13,425 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 679 places, 1859 transitions, 37569 flow [2021-12-07 00:10:13,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-12-07 00:10:13,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2021-12-07 00:10:13,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 6491 transitions. [2021-12-07 00:10:13,430 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.4508265036810668 [2021-12-07 00:10:13,430 INFO L72 ComplementDD]: Start complementDD. Operand 46 states and 6491 transitions. [2021-12-07 00:10:13,430 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 6491 transitions. [2021-12-07 00:10:13,431 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:10:13,431 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 46 states and 6491 transitions. [2021-12-07 00:10:13,436 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 47 states, 46 states have (on average 141.1086956521739) internal successors, (6491), 46 states have internal predecessors, (6491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:10:13,442 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 47 states, 47 states have (on average 313.0) internal successors, (14711), 47 states have internal predecessors, (14711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:10:13,443 INFO L81 ComplementDD]: Finished complementDD. Result has 47 states, 47 states have (on average 313.0) internal successors, (14711), 47 states have internal predecessors, (14711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:10:13,443 INFO L186 Difference]: Start difference. First operand has 640 places, 1337 transitions, 27056 flow. Second operand 46 states and 6491 transitions. [2021-12-07 00:10:13,443 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 679 places, 1859 transitions, 37569 flow [2021-12-07 00:10:15,744 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 654 places, 1859 transitions, 37377 flow, removed 4 selfloop flow, removed 25 redundant places. [2021-12-07 00:10:15,776 INFO L242 Difference]: Finished difference. Result has 659 places, 1412 transitions, 29652 flow [2021-12-07 00:10:15,777 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=26865, PETRI_DIFFERENCE_MINUEND_PLACES=609, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1337, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=276, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1002, PETRI_DIFFERENCE_SUBTRAHEND_STATES=46, PETRI_FLOW=29652, PETRI_PLACES=659, PETRI_TRANSITIONS=1412} [2021-12-07 00:10:15,777 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 343 predicate places. [2021-12-07 00:10:15,777 INFO L470 AbstractCegarLoop]: Abstraction has has 659 places, 1412 transitions, 29652 flow [2021-12-07 00:10:15,778 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 136.0) internal successors, (3672), 27 states have internal predecessors, (3672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:10:15,778 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:10:15,778 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:10:15,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-12-07 00:10:15,778 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-12-07 00:10:15,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:10:15,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1374025607, now seen corresponding path program 1 times [2021-12-07 00:10:15,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:10:15,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296825903] [2021-12-07 00:10:15,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:10:15,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:10:15,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:16,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:10:16,305 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:10:16,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296825903] [2021-12-07 00:10:16,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296825903] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:10:16,305 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:10:16,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-12-07 00:10:16,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246886875] [2021-12-07 00:10:16,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:10:16,306 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-12-07 00:10:16,306 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:10:16,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-12-07 00:10:16,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=575, Unknown=0, NotChecked=0, Total=650 [2021-12-07 00:10:16,309 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 313 [2021-12-07 00:10:16,310 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 659 places, 1412 transitions, 29652 flow. Second operand has 26 states, 26 states have (on average 134.23076923076923) internal successors, (3490), 26 states have internal predecessors, (3490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:10:16,310 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:10:16,310 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 313 [2021-12-07 00:10:16,310 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:10:28,927 INFO L129 PetriNetUnfolder]: 7447/22175 cut-off events. [2021-12-07 00:10:28,927 INFO L130 PetriNetUnfolder]: For 362099/362108 co-relation queries the response was YES. [2021-12-07 00:10:29,206 INFO L84 FinitePrefix]: Finished finitePrefix Result has 119350 conditions, 22175 events. 7447/22175 cut-off events. For 362099/362108 co-relation queries the response was YES. Maximal size of possible extension queue 706. Compared 240694 event pairs, 1679 based on Foata normal form. 23/21922 useless extension candidates. Maximal degree in co-relation 119089. Up to 4884 conditions per place. [2021-12-07 00:10:29,266 INFO L132 encePairwiseOnDemand]: 267/313 looper letters, 1264 selfloop transitions, 337 changer transitions 86/1808 dead transitions. [2021-12-07 00:10:29,266 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 697 places, 1808 transitions, 38978 flow [2021-12-07 00:10:29,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-12-07 00:10:29,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2021-12-07 00:10:29,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 5502 transitions. [2021-12-07 00:10:29,270 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.45072499385598425 [2021-12-07 00:10:29,270 INFO L72 ComplementDD]: Start complementDD. Operand 39 states and 5502 transitions. [2021-12-07 00:10:29,270 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 5502 transitions. [2021-12-07 00:10:29,271 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:10:29,271 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 39 states and 5502 transitions. [2021-12-07 00:10:29,275 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 40 states, 39 states have (on average 141.07692307692307) internal successors, (5502), 39 states have internal predecessors, (5502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:10:29,280 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 40 states, 40 states have (on average 313.0) internal successors, (12520), 40 states have internal predecessors, (12520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:10:29,281 INFO L81 ComplementDD]: Finished complementDD. Result has 40 states, 40 states have (on average 313.0) internal successors, (12520), 40 states have internal predecessors, (12520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:10:29,281 INFO L186 Difference]: Start difference. First operand has 659 places, 1412 transitions, 29652 flow. Second operand 39 states and 5502 transitions. [2021-12-07 00:10:29,281 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 697 places, 1808 transitions, 38978 flow [2021-12-07 00:10:31,805 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 673 places, 1808 transitions, 38725 flow, removed 31 selfloop flow, removed 24 redundant places. [2021-12-07 00:10:31,837 INFO L242 Difference]: Finished difference. Result has 679 places, 1421 transitions, 30469 flow [2021-12-07 00:10:31,838 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=29427, PETRI_DIFFERENCE_MINUEND_PLACES=635, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1412, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=328, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1079, PETRI_DIFFERENCE_SUBTRAHEND_STATES=39, PETRI_FLOW=30469, PETRI_PLACES=679, PETRI_TRANSITIONS=1421} [2021-12-07 00:10:31,838 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 363 predicate places. [2021-12-07 00:10:31,839 INFO L470 AbstractCegarLoop]: Abstraction has has 679 places, 1421 transitions, 30469 flow [2021-12-07 00:10:31,839 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 134.23076923076923) internal successors, (3490), 26 states have internal predecessors, (3490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:10:31,839 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:10:31,839 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:10:31,839 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-12-07 00:10:31,839 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-12-07 00:10:31,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:10:31,840 INFO L85 PathProgramCache]: Analyzing trace with hash -951695454, now seen corresponding path program 3 times [2021-12-07 00:10:31,840 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:10:31,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055203370] [2021-12-07 00:10:31,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:10:31,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:10:31,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:32,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:10:32,364 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:10:32,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055203370] [2021-12-07 00:10:32,364 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055203370] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:10:32,364 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:10:32,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-12-07 00:10:32,365 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599637008] [2021-12-07 00:10:32,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:10:32,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-12-07 00:10:32,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:10:32,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-12-07 00:10:32,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2021-12-07 00:10:32,370 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 313 [2021-12-07 00:10:32,371 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 679 places, 1421 transitions, 30469 flow. Second operand has 27 states, 27 states have (on average 136.0) internal successors, (3672), 27 states have internal predecessors, (3672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:10:32,372 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:10:32,372 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 313 [2021-12-07 00:10:32,372 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:10:46,706 INFO L129 PetriNetUnfolder]: 8063/23646 cut-off events. [2021-12-07 00:10:46,706 INFO L130 PetriNetUnfolder]: For 440592/440604 co-relation queries the response was YES. [2021-12-07 00:10:47,044 INFO L84 FinitePrefix]: Finished finitePrefix Result has 135567 conditions, 23646 events. 8063/23646 cut-off events. For 440592/440604 co-relation queries the response was YES. Maximal size of possible extension queue 719. Compared 255939 event pairs, 2099 based on Foata normal form. 23/23343 useless extension candidates. Maximal degree in co-relation 135299. Up to 4721 conditions per place. [2021-12-07 00:10:47,112 INFO L132 encePairwiseOnDemand]: 270/313 looper letters, 1434 selfloop transitions, 364 changer transitions 28/1949 dead transitions. [2021-12-07 00:10:47,112 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 722 places, 1949 transitions, 41944 flow [2021-12-07 00:10:47,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-12-07 00:10:47,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2021-12-07 00:10:47,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 6770 transitions. [2021-12-07 00:10:47,116 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.45061235356762513 [2021-12-07 00:10:47,116 INFO L72 ComplementDD]: Start complementDD. Operand 48 states and 6770 transitions. [2021-12-07 00:10:47,116 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 6770 transitions. [2021-12-07 00:10:47,117 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:10:47,117 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 48 states and 6770 transitions. [2021-12-07 00:10:47,121 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 49 states, 48 states have (on average 141.04166666666666) internal successors, (6770), 48 states have internal predecessors, (6770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:10:47,127 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 49 states, 49 states have (on average 313.0) internal successors, (15337), 49 states have internal predecessors, (15337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:10:47,128 INFO L81 ComplementDD]: Finished complementDD. Result has 49 states, 49 states have (on average 313.0) internal successors, (15337), 49 states have internal predecessors, (15337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:10:47,128 INFO L186 Difference]: Start difference. First operand has 679 places, 1421 transitions, 30469 flow. Second operand 48 states and 6770 transitions. [2021-12-07 00:10:47,128 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 722 places, 1949 transitions, 41944 flow [2021-12-07 00:10:49,751 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 695 places, 1949 transitions, 41551 flow, removed 0 selfloop flow, removed 27 redundant places. [2021-12-07 00:10:49,786 INFO L242 Difference]: Finished difference. Result has 701 places, 1492 transitions, 33207 flow [2021-12-07 00:10:49,787 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=30092, PETRI_DIFFERENCE_MINUEND_PLACES=648, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1421, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=293, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1064, PETRI_DIFFERENCE_SUBTRAHEND_STATES=48, PETRI_FLOW=33207, PETRI_PLACES=701, PETRI_TRANSITIONS=1492} [2021-12-07 00:10:49,787 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 385 predicate places. [2021-12-07 00:10:49,787 INFO L470 AbstractCegarLoop]: Abstraction has has 701 places, 1492 transitions, 33207 flow [2021-12-07 00:10:49,787 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 136.0) internal successors, (3672), 27 states have internal predecessors, (3672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:10:49,787 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:10:49,788 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:10:49,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-12-07 00:10:49,788 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-12-07 00:10:49,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:10:49,788 INFO L85 PathProgramCache]: Analyzing trace with hash -2012082826, now seen corresponding path program 4 times [2021-12-07 00:10:49,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:10:49,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264667677] [2021-12-07 00:10:49,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:10:49,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:10:49,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:50,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:10:50,386 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:10:50,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264667677] [2021-12-07 00:10:50,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264667677] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:10:50,386 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:10:50,386 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-12-07 00:10:50,386 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705559311] [2021-12-07 00:10:50,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:10:50,387 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-12-07 00:10:50,387 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:10:50,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-12-07 00:10:50,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2021-12-07 00:10:50,389 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 313 [2021-12-07 00:10:50,391 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 701 places, 1492 transitions, 33207 flow. Second operand has 27 states, 27 states have (on average 136.0) internal successors, (3672), 27 states have internal predecessors, (3672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:10:50,391 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:10:50,391 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 313 [2021-12-07 00:10:50,391 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:11:06,150 INFO L129 PetriNetUnfolder]: 9008/26348 cut-off events. [2021-12-07 00:11:06,151 INFO L130 PetriNetUnfolder]: For 517019/517035 co-relation queries the response was YES. [2021-12-07 00:11:06,576 INFO L84 FinitePrefix]: Finished finitePrefix Result has 153188 conditions, 26348 events. 9008/26348 cut-off events. For 517019/517035 co-relation queries the response was YES. Maximal size of possible extension queue 761. Compared 289171 event pairs, 2045 based on Foata normal form. 27/26031 useless extension candidates. Maximal degree in co-relation 152913. Up to 4728 conditions per place. [2021-12-07 00:11:06,658 INFO L132 encePairwiseOnDemand]: 272/313 looper letters, 1521 selfloop transitions, 393 changer transitions 31/2068 dead transitions. [2021-12-07 00:11:06,658 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 746 places, 2068 transitions, 46160 flow [2021-12-07 00:11:06,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-12-07 00:11:06,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2021-12-07 00:11:06,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 6528 transitions. [2021-12-07 00:11:06,662 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.453396305042367 [2021-12-07 00:11:06,662 INFO L72 ComplementDD]: Start complementDD. Operand 46 states and 6528 transitions. [2021-12-07 00:11:06,663 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 6528 transitions. [2021-12-07 00:11:06,663 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:11:06,664 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 46 states and 6528 transitions. [2021-12-07 00:11:06,667 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 47 states, 46 states have (on average 141.91304347826087) internal successors, (6528), 46 states have internal predecessors, (6528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:11:06,673 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 47 states, 47 states have (on average 313.0) internal successors, (14711), 47 states have internal predecessors, (14711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:11:06,674 INFO L81 ComplementDD]: Finished complementDD. Result has 47 states, 47 states have (on average 313.0) internal successors, (14711), 47 states have internal predecessors, (14711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:11:06,674 INFO L186 Difference]: Start difference. First operand has 701 places, 1492 transitions, 33207 flow. Second operand 46 states and 6528 transitions. [2021-12-07 00:11:06,674 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 746 places, 2068 transitions, 46160 flow [2021-12-07 00:11:09,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 709 places, 2068 transitions, 45601 flow, removed 9 selfloop flow, removed 37 redundant places. [2021-12-07 00:11:09,773 INFO L242 Difference]: Finished difference. Result has 719 places, 1580 transitions, 36301 flow [2021-12-07 00:11:09,774 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=32663, PETRI_DIFFERENCE_MINUEND_PLACES=664, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1492, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=306, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=46, PETRI_FLOW=36301, PETRI_PLACES=719, PETRI_TRANSITIONS=1580} [2021-12-07 00:11:09,774 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 403 predicate places. [2021-12-07 00:11:09,774 INFO L470 AbstractCegarLoop]: Abstraction has has 719 places, 1580 transitions, 36301 flow [2021-12-07 00:11:09,775 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 136.0) internal successors, (3672), 27 states have internal predecessors, (3672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:11:09,775 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:11:09,775 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:11:09,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-12-07 00:11:09,775 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-12-07 00:11:09,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:11:09,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1166894430, now seen corresponding path program 5 times [2021-12-07 00:11:09,775 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:11:09,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612840395] [2021-12-07 00:11:09,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:11:09,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:11:09,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:10,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:11:10,317 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:11:10,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612840395] [2021-12-07 00:11:10,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612840395] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:11:10,317 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:11:10,317 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-12-07 00:11:10,317 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860796626] [2021-12-07 00:11:10,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:11:10,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-12-07 00:11:10,318 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:11:10,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-12-07 00:11:10,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2021-12-07 00:11:10,321 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 313 [2021-12-07 00:11:10,322 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 719 places, 1580 transitions, 36301 flow. Second operand has 27 states, 27 states have (on average 136.0) internal successors, (3672), 27 states have internal predecessors, (3672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:11:10,322 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:11:10,322 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 313 [2021-12-07 00:11:10,322 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:11:28,479 INFO L129 PetriNetUnfolder]: 9856/28833 cut-off events. [2021-12-07 00:11:28,479 INFO L130 PetriNetUnfolder]: For 596124/596141 co-relation queries the response was YES. [2021-12-07 00:11:29,021 INFO L84 FinitePrefix]: Finished finitePrefix Result has 170971 conditions, 28833 events. 9856/28833 cut-off events. For 596124/596141 co-relation queries the response was YES. Maximal size of possible extension queue 805. Compared 320391 event pairs, 2210 based on Foata normal form. 28/28501 useless extension candidates. Maximal degree in co-relation 170685. Up to 4710 conditions per place. [2021-12-07 00:11:29,109 INFO L132 encePairwiseOnDemand]: 271/313 looper letters, 1518 selfloop transitions, 447 changer transitions 33/2121 dead transitions. [2021-12-07 00:11:29,109 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 765 places, 2121 transitions, 48957 flow [2021-12-07 00:11:29,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-12-07 00:11:29,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2021-12-07 00:11:29,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 6649 transitions. [2021-12-07 00:11:29,113 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.4519747127999456 [2021-12-07 00:11:29,114 INFO L72 ComplementDD]: Start complementDD. Operand 47 states and 6649 transitions. [2021-12-07 00:11:29,114 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 6649 transitions. [2021-12-07 00:11:29,115 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:11:29,115 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 47 states and 6649 transitions. [2021-12-07 00:11:29,118 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 48 states, 47 states have (on average 141.46808510638297) internal successors, (6649), 47 states have internal predecessors, (6649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:11:29,124 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 48 states, 48 states have (on average 313.0) internal successors, (15024), 48 states have internal predecessors, (15024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:11:29,125 INFO L81 ComplementDD]: Finished complementDD. Result has 48 states, 48 states have (on average 313.0) internal successors, (15024), 48 states have internal predecessors, (15024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:11:29,125 INFO L186 Difference]: Start difference. First operand has 719 places, 1580 transitions, 36301 flow. Second operand 47 states and 6649 transitions. [2021-12-07 00:11:29,125 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 765 places, 2121 transitions, 48957 flow [2021-12-07 00:11:32,828 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 734 places, 2121 transitions, 48150 flow, removed 55 selfloop flow, removed 31 redundant places. [2021-12-07 00:11:32,865 INFO L242 Difference]: Finished difference. Result has 742 places, 1647 transitions, 39156 flow [2021-12-07 00:11:32,866 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=35514, PETRI_DIFFERENCE_MINUEND_PLACES=688, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1580, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=381, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=47, PETRI_FLOW=39156, PETRI_PLACES=742, PETRI_TRANSITIONS=1647} [2021-12-07 00:11:32,866 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 426 predicate places. [2021-12-07 00:11:32,866 INFO L470 AbstractCegarLoop]: Abstraction has has 742 places, 1647 transitions, 39156 flow [2021-12-07 00:11:32,867 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 136.0) internal successors, (3672), 27 states have internal predecessors, (3672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:11:32,867 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:11:32,867 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:11:32,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-12-07 00:11:32,867 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-12-07 00:11:32,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:11:32,867 INFO L85 PathProgramCache]: Analyzing trace with hash -368531783, now seen corresponding path program 1 times [2021-12-07 00:11:32,867 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:11:32,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763835410] [2021-12-07 00:11:32,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:11:32,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:11:32,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:33,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:11:33,671 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:11:33,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763835410] [2021-12-07 00:11:33,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763835410] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:11:33,671 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:11:33,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-12-07 00:11:33,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126025156] [2021-12-07 00:11:33,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:11:33,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-12-07 00:11:33,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:11:33,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-12-07 00:11:33,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=898, Unknown=0, NotChecked=0, Total=992 [2021-12-07 00:11:33,675 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 313 [2021-12-07 00:11:33,677 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 742 places, 1647 transitions, 39156 flow. Second operand has 32 states, 32 states have (on average 133.34375) internal successors, (4267), 32 states have internal predecessors, (4267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:11:33,677 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:11:33,677 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 313 [2021-12-07 00:11:33,677 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:11:55,504 INFO L129 PetriNetUnfolder]: 11643/32164 cut-off events. [2021-12-07 00:11:55,505 INFO L130 PetriNetUnfolder]: For 677396/677417 co-relation queries the response was YES. [2021-12-07 00:11:56,183 INFO L84 FinitePrefix]: Finished finitePrefix Result has 195775 conditions, 32164 events. 11643/32164 cut-off events. For 677396/677417 co-relation queries the response was YES. Maximal size of possible extension queue 938. Compared 354730 event pairs, 3585 based on Foata normal form. 83/31784 useless extension candidates. Maximal degree in co-relation 195480. Up to 17050 conditions per place. [2021-12-07 00:11:56,290 INFO L132 encePairwiseOnDemand]: 269/313 looper letters, 1607 selfloop transitions, 438 changer transitions 61/2251 dead transitions. [2021-12-07 00:11:56,290 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 791 places, 2251 transitions, 54678 flow [2021-12-07 00:11:56,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-12-07 00:11:56,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2021-12-07 00:11:56,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 6878 transitions. [2021-12-07 00:11:56,295 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.4394888178913738 [2021-12-07 00:11:56,295 INFO L72 ComplementDD]: Start complementDD. Operand 50 states and 6878 transitions. [2021-12-07 00:11:56,295 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 6878 transitions. [2021-12-07 00:11:56,296 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:11:56,296 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 50 states and 6878 transitions. [2021-12-07 00:11:56,300 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 51 states, 50 states have (on average 137.56) internal successors, (6878), 50 states have internal predecessors, (6878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:11:56,307 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 51 states, 51 states have (on average 313.0) internal successors, (15963), 51 states have internal predecessors, (15963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:11:56,308 INFO L81 ComplementDD]: Finished complementDD. Result has 51 states, 51 states have (on average 313.0) internal successors, (15963), 51 states have internal predecessors, (15963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:11:56,308 INFO L186 Difference]: Start difference. First operand has 742 places, 1647 transitions, 39156 flow. Second operand 50 states and 6878 transitions. [2021-12-07 00:11:56,308 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 791 places, 2251 transitions, 54678 flow [2021-12-07 00:12:01,017 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 758 places, 2251 transitions, 53834 flow, removed 41 selfloop flow, removed 33 redundant places. [2021-12-07 00:12:01,057 INFO L242 Difference]: Finished difference. Result has 775 places, 1834 transitions, 44049 flow [2021-12-07 00:12:01,058 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=38560, PETRI_DIFFERENCE_MINUEND_PLACES=709, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1647, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=260, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1325, PETRI_DIFFERENCE_SUBTRAHEND_STATES=50, PETRI_FLOW=44049, PETRI_PLACES=775, PETRI_TRANSITIONS=1834} [2021-12-07 00:12:01,059 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 459 predicate places. [2021-12-07 00:12:01,059 INFO L470 AbstractCegarLoop]: Abstraction has has 775 places, 1834 transitions, 44049 flow [2021-12-07 00:12:01,059 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 133.34375) internal successors, (4267), 32 states have internal predecessors, (4267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:12:01,059 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:12:01,060 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:12:01,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-12-07 00:12:01,060 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-12-07 00:12:01,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:12:01,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1241205651, now seen corresponding path program 1 times [2021-12-07 00:12:01,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:12:01,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311290319] [2021-12-07 00:12:01,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:12:01,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:12:01,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:01,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:12:01,650 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:12:01,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311290319] [2021-12-07 00:12:01,650 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311290319] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:12:01,650 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:12:01,650 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-12-07 00:12:01,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712459768] [2021-12-07 00:12:01,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:12:01,651 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-12-07 00:12:01,651 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:12:01,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-12-07 00:12:01,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=783, Unknown=0, NotChecked=0, Total=870 [2021-12-07 00:12:01,654 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 313 [2021-12-07 00:12:01,655 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 775 places, 1834 transitions, 44049 flow. Second operand has 30 states, 30 states have (on average 135.6) internal successors, (4068), 30 states have internal predecessors, (4068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:12:01,656 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:12:01,656 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 313 [2021-12-07 00:12:01,656 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:12:25,625 INFO L129 PetriNetUnfolder]: 11377/32491 cut-off events. [2021-12-07 00:12:25,626 INFO L130 PetriNetUnfolder]: For 682346/682368 co-relation queries the response was YES. [2021-12-07 00:12:26,384 INFO L84 FinitePrefix]: Finished finitePrefix Result has 200562 conditions, 32491 events. 11377/32491 cut-off events. For 682346/682368 co-relation queries the response was YES. Maximal size of possible extension queue 957. Compared 363449 event pairs, 2487 based on Foata normal form. 258/32383 useless extension candidates. Maximal degree in co-relation 200249. Up to 11784 conditions per place. [2021-12-07 00:12:26,493 INFO L132 encePairwiseOnDemand]: 268/313 looper letters, 1704 selfloop transitions, 757 changer transitions 39/2647 dead transitions. [2021-12-07 00:12:26,493 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 822 places, 2647 transitions, 65450 flow [2021-12-07 00:12:26,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-12-07 00:12:26,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2021-12-07 00:12:26,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 7351 transitions. [2021-12-07 00:12:26,498 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.4516465962152863 [2021-12-07 00:12:26,498 INFO L72 ComplementDD]: Start complementDD. Operand 52 states and 7351 transitions. [2021-12-07 00:12:26,498 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 7351 transitions. [2021-12-07 00:12:26,499 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:12:26,499 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 52 states and 7351 transitions. [2021-12-07 00:12:26,614 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 53 states, 52 states have (on average 141.3653846153846) internal successors, (7351), 52 states have internal predecessors, (7351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:12:26,621 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 53 states, 53 states have (on average 313.0) internal successors, (16589), 53 states have internal predecessors, (16589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:12:26,622 INFO L81 ComplementDD]: Finished complementDD. Result has 53 states, 53 states have (on average 313.0) internal successors, (16589), 53 states have internal predecessors, (16589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:12:26,622 INFO L186 Difference]: Start difference. First operand has 775 places, 1834 transitions, 44049 flow. Second operand 52 states and 7351 transitions. [2021-12-07 00:12:26,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 822 places, 2647 transitions, 65450 flow [2021-12-07 00:12:31,842 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 795 places, 2647 transitions, 65054 flow, removed 159 selfloop flow, removed 27 redundant places. [2021-12-07 00:12:31,890 INFO L242 Difference]: Finished difference. Result has 808 places, 2137 transitions, 55838 flow [2021-12-07 00:12:31,892 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=43840, PETRI_DIFFERENCE_MINUEND_PLACES=744, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1834, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=459, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=52, PETRI_FLOW=55838, PETRI_PLACES=808, PETRI_TRANSITIONS=2137} [2021-12-07 00:12:31,892 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 492 predicate places. [2021-12-07 00:12:31,892 INFO L470 AbstractCegarLoop]: Abstraction has has 808 places, 2137 transitions, 55838 flow [2021-12-07 00:12:31,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 135.6) internal successors, (4068), 30 states have internal predecessors, (4068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:12:31,893 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:12:31,893 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:12:31,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-12-07 00:12:31,893 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-12-07 00:12:31,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:12:31,893 INFO L85 PathProgramCache]: Analyzing trace with hash 169459947, now seen corresponding path program 2 times [2021-12-07 00:12:31,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:12:31,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893872293] [2021-12-07 00:12:31,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:12:31,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:12:31,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:32,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:12:32,445 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:12:32,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893872293] [2021-12-07 00:12:32,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893872293] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:12:32,445 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:12:32,445 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-12-07 00:12:32,445 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133386922] [2021-12-07 00:12:32,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:12:32,446 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-12-07 00:12:32,446 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:12:32,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-12-07 00:12:32,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=730, Unknown=0, NotChecked=0, Total=812 [2021-12-07 00:12:32,449 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 313 [2021-12-07 00:12:32,450 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 808 places, 2137 transitions, 55838 flow. Second operand has 29 states, 29 states have (on average 136.72413793103448) internal successors, (3965), 29 states have internal predecessors, (3965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:12:32,450 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:12:32,450 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 313 [2021-12-07 00:12:32,450 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:12:59,576 INFO L129 PetriNetUnfolder]: 11763/33606 cut-off events. [2021-12-07 00:12:59,576 INFO L130 PetriNetUnfolder]: For 772591/772616 co-relation queries the response was YES. [2021-12-07 00:13:00,385 INFO L84 FinitePrefix]: Finished finitePrefix Result has 221095 conditions, 33606 events. 11763/33606 cut-off events. For 772591/772616 co-relation queries the response was YES. Maximal size of possible extension queue 995. Compared 379198 event pairs, 2618 based on Foata normal form. 58/33340 useless extension candidates. Maximal degree in co-relation 220771. Up to 17380 conditions per place. [2021-12-07 00:13:00,500 INFO L132 encePairwiseOnDemand]: 270/313 looper letters, 1982 selfloop transitions, 544 changer transitions 82/2757 dead transitions. [2021-12-07 00:13:00,500 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 851 places, 2757 transitions, 73185 flow [2021-12-07 00:13:00,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-12-07 00:13:00,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2021-12-07 00:13:00,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 6391 transitions. [2021-12-07 00:13:00,505 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.4537451189208378 [2021-12-07 00:13:00,505 INFO L72 ComplementDD]: Start complementDD. Operand 45 states and 6391 transitions. [2021-12-07 00:13:00,505 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 6391 transitions. [2021-12-07 00:13:00,506 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:13:00,506 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 45 states and 6391 transitions. [2021-12-07 00:13:00,536 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 46 states, 45 states have (on average 142.0222222222222) internal successors, (6391), 45 states have internal predecessors, (6391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:13:00,541 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 46 states, 46 states have (on average 313.0) internal successors, (14398), 46 states have internal predecessors, (14398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:13:00,542 INFO L81 ComplementDD]: Finished complementDD. Result has 46 states, 46 states have (on average 313.0) internal successors, (14398), 46 states have internal predecessors, (14398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:13:00,542 INFO L186 Difference]: Start difference. First operand has 808 places, 2137 transitions, 55838 flow. Second operand 45 states and 6391 transitions. [2021-12-07 00:13:00,542 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 851 places, 2757 transitions, 73185 flow [2021-12-07 00:13:07,862 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 824 places, 2757 transitions, 72885 flow, removed 80 selfloop flow, removed 27 redundant places. [2021-12-07 00:13:07,918 INFO L242 Difference]: Finished difference. Result has 840 places, 2322 transitions, 62069 flow [2021-12-07 00:13:07,919 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=55581, PETRI_DIFFERENCE_MINUEND_PLACES=780, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=369, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1674, PETRI_DIFFERENCE_SUBTRAHEND_STATES=45, PETRI_FLOW=62069, PETRI_PLACES=840, PETRI_TRANSITIONS=2322} [2021-12-07 00:13:07,919 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 524 predicate places. [2021-12-07 00:13:07,919 INFO L470 AbstractCegarLoop]: Abstraction has has 840 places, 2322 transitions, 62069 flow [2021-12-07 00:13:07,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 136.72413793103448) internal successors, (3965), 29 states have internal predecessors, (3965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:13:07,920 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:13:07,920 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:13:07,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-12-07 00:13:07,920 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-12-07 00:13:07,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:13:07,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1537040313, now seen corresponding path program 2 times [2021-12-07 00:13:07,921 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:13:07,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121818574] [2021-12-07 00:13:07,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:13:07,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:13:07,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:08,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:13:08,725 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:13:08,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121818574] [2021-12-07 00:13:08,725 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121818574] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:13:08,725 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:13:08,725 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-12-07 00:13:08,725 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144138713] [2021-12-07 00:13:08,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:13:08,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-12-07 00:13:08,726 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:13:08,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-12-07 00:13:08,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=897, Unknown=0, NotChecked=0, Total=992 [2021-12-07 00:13:08,729 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 313 [2021-12-07 00:13:08,731 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 840 places, 2322 transitions, 62069 flow. Second operand has 32 states, 32 states have (on average 133.34375) internal successors, (4267), 32 states have internal predecessors, (4267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:13:08,731 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:13:08,731 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 313 [2021-12-07 00:13:08,731 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:13:39,526 INFO L129 PetriNetUnfolder]: 12887/35511 cut-off events. [2021-12-07 00:13:39,527 INFO L130 PetriNetUnfolder]: For 893344/893359 co-relation queries the response was YES. [2021-12-07 00:13:40,488 INFO L84 FinitePrefix]: Finished finitePrefix Result has 246662 conditions, 35511 events. 12887/35511 cut-off events. For 893344/893359 co-relation queries the response was YES. Maximal size of possible extension queue 1052. Compared 399011 event pairs, 3941 based on Foata normal form. 177/35149 useless extension candidates. Maximal degree in co-relation 246320. Up to 22361 conditions per place. [2021-12-07 00:13:40,609 INFO L132 encePairwiseOnDemand]: 269/313 looper letters, 1810 selfloop transitions, 858 changer transitions 33/2846 dead transitions. [2021-12-07 00:13:40,609 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 878 places, 2846 transitions, 81286 flow [2021-12-07 00:13:40,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-12-07 00:13:40,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2021-12-07 00:13:40,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 5399 transitions. [2021-12-07 00:13:40,613 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.44228721225526335 [2021-12-07 00:13:40,613 INFO L72 ComplementDD]: Start complementDD. Operand 39 states and 5399 transitions. [2021-12-07 00:13:40,613 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 5399 transitions. [2021-12-07 00:13:40,614 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:13:40,614 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 39 states and 5399 transitions. [2021-12-07 00:13:40,617 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 40 states, 39 states have (on average 138.43589743589743) internal successors, (5399), 39 states have internal predecessors, (5399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:13:40,622 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 40 states, 40 states have (on average 313.0) internal successors, (12520), 40 states have internal predecessors, (12520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:13:40,623 INFO L81 ComplementDD]: Finished complementDD. Result has 40 states, 40 states have (on average 313.0) internal successors, (12520), 40 states have internal predecessors, (12520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:13:40,623 INFO L186 Difference]: Start difference. First operand has 840 places, 2322 transitions, 62069 flow. Second operand 39 states and 5399 transitions. [2021-12-07 00:13:40,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 878 places, 2846 transitions, 81286 flow [2021-12-07 00:13:50,242 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 852 places, 2846 transitions, 80732 flow, removed 133 selfloop flow, removed 26 redundant places. [2021-12-07 00:13:50,302 INFO L242 Difference]: Finished difference. Result has 860 places, 2598 transitions, 73846 flow [2021-12-07 00:13:50,304 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=61533, PETRI_DIFFERENCE_MINUEND_PLACES=814, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2322, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=582, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1590, PETRI_DIFFERENCE_SUBTRAHEND_STATES=39, PETRI_FLOW=73846, PETRI_PLACES=860, PETRI_TRANSITIONS=2598} [2021-12-07 00:13:50,304 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 544 predicate places. [2021-12-07 00:13:50,304 INFO L470 AbstractCegarLoop]: Abstraction has has 860 places, 2598 transitions, 73846 flow [2021-12-07 00:13:50,305 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 133.34375) internal successors, (4267), 32 states have internal predecessors, (4267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:13:50,305 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:13:50,305 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:13:50,305 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-12-07 00:13:50,305 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-12-07 00:13:50,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:13:50,306 INFO L85 PathProgramCache]: Analyzing trace with hash 950621533, now seen corresponding path program 3 times [2021-12-07 00:13:50,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:13:50,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606728865] [2021-12-07 00:13:50,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:13:50,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:13:50,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:50,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:13:50,815 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:13:50,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606728865] [2021-12-07 00:13:50,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606728865] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:13:50,815 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:13:50,815 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-12-07 00:13:50,816 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314409530] [2021-12-07 00:13:50,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:13:50,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-12-07 00:13:50,816 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:13:50,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-12-07 00:13:50,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=674, Unknown=0, NotChecked=0, Total=756 [2021-12-07 00:13:50,819 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 313 [2021-12-07 00:13:50,820 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 860 places, 2598 transitions, 73846 flow. Second operand has 28 states, 28 states have (on average 136.89285714285714) internal successors, (3833), 28 states have internal predecessors, (3833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:13:50,820 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:13:50,820 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 313 [2021-12-07 00:13:50,820 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:14:23,778 INFO L129 PetriNetUnfolder]: 12237/34947 cut-off events. [2021-12-07 00:14:23,778 INFO L130 PetriNetUnfolder]: For 917283/917298 co-relation queries the response was YES. [2021-12-07 00:14:24,709 INFO L84 FinitePrefix]: Finished finitePrefix Result has 245211 conditions, 34947 events. 12237/34947 cut-off events. For 917283/917298 co-relation queries the response was YES. Maximal size of possible extension queue 1015. Compared 397229 event pairs, 2510 based on Foata normal form. 25/34663 useless extension candidates. Maximal degree in co-relation 244861. Up to 18881 conditions per place. [2021-12-07 00:14:24,829 INFO L132 encePairwiseOnDemand]: 270/313 looper letters, 2254 selfloop transitions, 499 changer transitions 112/3014 dead transitions. [2021-12-07 00:14:24,829 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 899 places, 3014 transitions, 87051 flow [2021-12-07 00:14:24,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-12-07 00:14:24,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2021-12-07 00:14:24,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 5832 transitions. [2021-12-07 00:14:24,833 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.45445336242499806 [2021-12-07 00:14:24,833 INFO L72 ComplementDD]: Start complementDD. Operand 41 states and 5832 transitions. [2021-12-07 00:14:24,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 5832 transitions. [2021-12-07 00:14:24,834 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:14:24,834 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 41 states and 5832 transitions. [2021-12-07 00:14:24,837 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 42 states, 41 states have (on average 142.2439024390244) internal successors, (5832), 41 states have internal predecessors, (5832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:14:24,842 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 42 states, 42 states have (on average 313.0) internal successors, (13146), 42 states have internal predecessors, (13146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:14:24,843 INFO L81 ComplementDD]: Finished complementDD. Result has 42 states, 42 states have (on average 313.0) internal successors, (13146), 42 states have internal predecessors, (13146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:14:24,843 INFO L186 Difference]: Start difference. First operand has 860 places, 2598 transitions, 73846 flow. Second operand 41 states and 5832 transitions. [2021-12-07 00:14:24,843 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 899 places, 3014 transitions, 87051 flow [2021-12-07 00:14:34,808 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 870 places, 3014 transitions, 86677 flow, removed 69 selfloop flow, removed 29 redundant places. [2021-12-07 00:14:34,887 INFO L242 Difference]: Finished difference. Result has 880 places, 2642 transitions, 76043 flow [2021-12-07 00:14:34,888 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=73482, PETRI_DIFFERENCE_MINUEND_PLACES=830, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2598, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=455, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=41, PETRI_FLOW=76043, PETRI_PLACES=880, PETRI_TRANSITIONS=2642} [2021-12-07 00:14:34,889 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 564 predicate places. [2021-12-07 00:14:34,889 INFO L470 AbstractCegarLoop]: Abstraction has has 880 places, 2642 transitions, 76043 flow [2021-12-07 00:14:34,889 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 136.89285714285714) internal successors, (3833), 28 states have internal predecessors, (3833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:14:34,889 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:14:34,889 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:14:34,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-12-07 00:14:34,889 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-12-07 00:14:34,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:14:34,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1338671167, now seen corresponding path program 3 times [2021-12-07 00:14:34,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:14:34,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633908890] [2021-12-07 00:14:34,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:14:34,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:14:34,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:35,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:14:35,336 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:14:35,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633908890] [2021-12-07 00:14:35,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633908890] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:14:35,336 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:14:35,336 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-12-07 00:14:35,336 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626456633] [2021-12-07 00:14:35,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:14:35,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-12-07 00:14:35,337 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:14:35,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-12-07 00:14:35,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=681, Unknown=0, NotChecked=0, Total=756 [2021-12-07 00:14:35,339 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 313 [2021-12-07 00:14:35,341 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 880 places, 2642 transitions, 76043 flow. Second operand has 28 states, 28 states have (on average 134.92857142857142) internal successors, (3778), 28 states have internal predecessors, (3778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:14:35,341 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:14:35,341 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 313 [2021-12-07 00:14:35,341 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:15:12,905 INFO L129 PetriNetUnfolder]: 14035/38451 cut-off events. [2021-12-07 00:15:12,905 INFO L130 PetriNetUnfolder]: For 1069411/1069426 co-relation queries the response was YES. [2021-12-07 00:15:14,337 INFO L84 FinitePrefix]: Finished finitePrefix Result has 285819 conditions, 38451 events. 14035/38451 cut-off events. For 1069411/1069426 co-relation queries the response was YES. Maximal size of possible extension queue 1237. Compared 438457 event pairs, 4003 based on Foata normal form. 142/38026 useless extension candidates. Maximal degree in co-relation 285459. Up to 21609 conditions per place. [2021-12-07 00:15:14,496 INFO L132 encePairwiseOnDemand]: 271/313 looper letters, 1913 selfloop transitions, 1121 changer transitions 94/3275 dead transitions. [2021-12-07 00:15:14,496 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 922 places, 3275 transitions, 99806 flow [2021-12-07 00:15:14,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-12-07 00:15:14,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2021-12-07 00:15:14,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 5987 transitions. [2021-12-07 00:15:14,502 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.44483245411991973 [2021-12-07 00:15:14,502 INFO L72 ComplementDD]: Start complementDD. Operand 43 states and 5987 transitions. [2021-12-07 00:15:14,502 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 5987 transitions. [2021-12-07 00:15:14,504 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:15:14,504 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 43 states and 5987 transitions. [2021-12-07 00:15:14,509 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 44 states, 43 states have (on average 139.2325581395349) internal successors, (5987), 43 states have internal predecessors, (5987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:15:14,516 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 44 states, 44 states have (on average 313.0) internal successors, (13772), 44 states have internal predecessors, (13772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:15:14,517 INFO L81 ComplementDD]: Finished complementDD. Result has 44 states, 44 states have (on average 313.0) internal successors, (13772), 44 states have internal predecessors, (13772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:15:14,517 INFO L186 Difference]: Start difference. First operand has 880 places, 2642 transitions, 76043 flow. Second operand 43 states and 5987 transitions. [2021-12-07 00:15:14,517 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 922 places, 3275 transitions, 99806 flow [2021-12-07 00:15:30,386 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 892 places, 3275 transitions, 99099 flow, removed 110 selfloop flow, removed 30 redundant places. [2021-12-07 00:15:30,461 INFO L242 Difference]: Finished difference. Result has 905 places, 2901 transitions, 88031 flow [2021-12-07 00:15:30,463 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=75456, PETRI_DIFFERENCE_MINUEND_PLACES=850, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2642, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=859, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1658, PETRI_DIFFERENCE_SUBTRAHEND_STATES=43, PETRI_FLOW=88031, PETRI_PLACES=905, PETRI_TRANSITIONS=2901} [2021-12-07 00:15:30,464 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 589 predicate places. [2021-12-07 00:15:30,464 INFO L470 AbstractCegarLoop]: Abstraction has has 905 places, 2901 transitions, 88031 flow [2021-12-07 00:15:30,464 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 134.92857142857142) internal successors, (3778), 28 states have internal predecessors, (3778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:15:30,464 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:15:30,464 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:15:30,464 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-12-07 00:15:30,465 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-12-07 00:15:30,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:15:30,465 INFO L85 PathProgramCache]: Analyzing trace with hash -600268165, now seen corresponding path program 4 times [2021-12-07 00:15:30,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:15:30,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301692868] [2021-12-07 00:15:30,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:15:30,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:15:30,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:31,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:15:31,098 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:15:31,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301692868] [2021-12-07 00:15:31,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301692868] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:15:31,098 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:15:31,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-12-07 00:15:31,098 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475963818] [2021-12-07 00:15:31,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:15:31,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-12-07 00:15:31,098 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:15:31,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-12-07 00:15:31,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=677, Unknown=0, NotChecked=0, Total=756 [2021-12-07 00:15:31,102 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 313 [2021-12-07 00:15:31,104 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 905 places, 2901 transitions, 88031 flow. Second operand has 28 states, 28 states have (on average 136.89285714285714) internal successors, (3833), 28 states have internal predecessors, (3833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:15:31,104 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:15:31,104 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 313 [2021-12-07 00:15:31,104 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:16:11,213 INFO L129 PetriNetUnfolder]: 13326/37959 cut-off events. [2021-12-07 00:16:11,213 INFO L130 PetriNetUnfolder]: For 1114566/1114581 co-relation queries the response was YES. [2021-12-07 00:16:12,440 INFO L84 FinitePrefix]: Finished finitePrefix Result has 286164 conditions, 37959 events. 13326/37959 cut-off events. For 1114566/1114581 co-relation queries the response was YES. Maximal size of possible extension queue 1136. Compared 438586 event pairs, 2613 based on Foata normal form. 25/37650 useless extension candidates. Maximal degree in co-relation 285790. Up to 20907 conditions per place. [2021-12-07 00:16:12,580 INFO L132 encePairwiseOnDemand]: 270/313 looper letters, 2487 selfloop transitions, 513 changer transitions 142/3291 dead transitions. [2021-12-07 00:16:12,581 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 939 places, 3291 transitions, 102863 flow [2021-12-07 00:16:12,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-12-07 00:16:12,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2021-12-07 00:16:12,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 5408 transitions. [2021-12-07 00:16:12,584 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.45468303346224986 [2021-12-07 00:16:12,584 INFO L72 ComplementDD]: Start complementDD. Operand 38 states and 5408 transitions. [2021-12-07 00:16:12,584 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 5408 transitions. [2021-12-07 00:16:12,585 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:16:12,585 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 38 states and 5408 transitions. [2021-12-07 00:16:12,588 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 39 states, 38 states have (on average 142.31578947368422) internal successors, (5408), 38 states have internal predecessors, (5408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:16:12,593 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 39 states, 39 states have (on average 313.0) internal successors, (12207), 39 states have internal predecessors, (12207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:16:12,594 INFO L81 ComplementDD]: Finished complementDD. Result has 39 states, 39 states have (on average 313.0) internal successors, (12207), 39 states have internal predecessors, (12207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:16:12,594 INFO L186 Difference]: Start difference. First operand has 905 places, 2901 transitions, 88031 flow. Second operand 38 states and 5408 transitions. [2021-12-07 00:16:12,594 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 939 places, 3291 transitions, 102863 flow [2021-12-07 00:16:28,634 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 911 places, 3291 transitions, 102485 flow, removed 79 selfloop flow, removed 28 redundant places. [2021-12-07 00:16:28,713 INFO L242 Difference]: Finished difference. Result has 921 places, 2937 transitions, 90167 flow [2021-12-07 00:16:28,715 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=87667, PETRI_DIFFERENCE_MINUEND_PLACES=874, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2901, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=478, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2401, PETRI_DIFFERENCE_SUBTRAHEND_STATES=38, PETRI_FLOW=90167, PETRI_PLACES=921, PETRI_TRANSITIONS=2937} [2021-12-07 00:16:28,715 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 605 predicate places. [2021-12-07 00:16:28,716 INFO L470 AbstractCegarLoop]: Abstraction has has 921 places, 2937 transitions, 90167 flow [2021-12-07 00:16:28,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 136.89285714285714) internal successors, (3833), 28 states have internal predecessors, (3833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:16:28,716 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:16:28,716 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:16:28,716 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-12-07 00:16:28,716 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-12-07 00:16:28,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:16:28,717 INFO L85 PathProgramCache]: Analyzing trace with hash 1764194357, now seen corresponding path program 4 times [2021-12-07 00:16:28,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:16:28,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536444345] [2021-12-07 00:16:28,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:16:28,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:16:28,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:29,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:16:29,200 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:16:29,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536444345] [2021-12-07 00:16:29,200 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536444345] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:16:29,200 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:16:29,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-12-07 00:16:29,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951128720] [2021-12-07 00:16:29,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:16:29,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-12-07 00:16:29,201 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:16:29,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-12-07 00:16:29,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=682, Unknown=0, NotChecked=0, Total=756 [2021-12-07 00:16:29,204 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 313 [2021-12-07 00:16:29,205 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 921 places, 2937 transitions, 90167 flow. Second operand has 28 states, 28 states have (on average 134.92857142857142) internal successors, (3778), 28 states have internal predecessors, (3778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:16:29,205 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:16:29,205 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 313 [2021-12-07 00:16:29,206 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:17:13,034 INFO L129 PetriNetUnfolder]: 14498/39577 cut-off events. [2021-12-07 00:17:13,034 INFO L130 PetriNetUnfolder]: For 1243787/1243802 co-relation queries the response was YES. [2021-12-07 00:17:14,406 INFO L84 FinitePrefix]: Finished finitePrefix Result has 312707 conditions, 39577 events. 14498/39577 cut-off events. For 1243787/1243802 co-relation queries the response was YES. Maximal size of possible extension queue 1241. Compared 453086 event pairs, 4071 based on Foata normal form. 212/39223 useless extension candidates. Maximal degree in co-relation 312325. Up to 22761 conditions per place. [2021-12-07 00:17:14,555 INFO L132 encePairwiseOnDemand]: 271/313 looper letters, 1969 selfloop transitions, 1211 changer transitions 98/3425 dead transitions. [2021-12-07 00:17:14,555 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 961 places, 3425 transitions, 110627 flow [2021-12-07 00:17:14,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-12-07 00:17:14,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2021-12-07 00:17:14,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 5719 transitions. [2021-12-07 00:17:14,559 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.4456479389075041 [2021-12-07 00:17:14,559 INFO L72 ComplementDD]: Start complementDD. Operand 41 states and 5719 transitions. [2021-12-07 00:17:14,559 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 5719 transitions. [2021-12-07 00:17:14,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:17:14,560 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 41 states and 5719 transitions. [2021-12-07 00:17:14,564 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 42 states, 41 states have (on average 139.4878048780488) internal successors, (5719), 41 states have internal predecessors, (5719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:17:14,569 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 42 states, 42 states have (on average 313.0) internal successors, (13146), 42 states have internal predecessors, (13146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:17:14,570 INFO L81 ComplementDD]: Finished complementDD. Result has 42 states, 42 states have (on average 313.0) internal successors, (13146), 42 states have internal predecessors, (13146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:17:14,570 INFO L186 Difference]: Start difference. First operand has 921 places, 2937 transitions, 90167 flow. Second operand 41 states and 5719 transitions. [2021-12-07 00:17:14,570 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 961 places, 3425 transitions, 110627 flow [2021-12-07 00:17:35,141 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 936 places, 3425 transitions, 109992 flow, removed 118 selfloop flow, removed 25 redundant places. [2021-12-07 00:17:35,226 INFO L242 Difference]: Finished difference. Result has 946 places, 3087 transitions, 98731 flow [2021-12-07 00:17:35,229 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=89624, PETRI_DIFFERENCE_MINUEND_PLACES=896, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2937, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1059, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1789, PETRI_DIFFERENCE_SUBTRAHEND_STATES=41, PETRI_FLOW=98731, PETRI_PLACES=946, PETRI_TRANSITIONS=3087} [2021-12-07 00:17:35,229 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 630 predicate places. [2021-12-07 00:17:35,229 INFO L470 AbstractCegarLoop]: Abstraction has has 946 places, 3087 transitions, 98731 flow [2021-12-07 00:17:35,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 134.92857142857142) internal successors, (3778), 28 states have internal predecessors, (3778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:17:35,229 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:17:35,230 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:17:35,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-12-07 00:17:35,230 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-12-07 00:17:35,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:17:35,230 INFO L85 PathProgramCache]: Analyzing trace with hash -43309839, now seen corresponding path program 5 times [2021-12-07 00:17:35,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:17:35,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121195770] [2021-12-07 00:17:35,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:17:35,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:17:35,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:36,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:17:36,247 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:17:36,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121195770] [2021-12-07 00:17:36,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121195770] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:17:36,248 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:17:36,248 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-12-07 00:17:36,248 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506341583] [2021-12-07 00:17:36,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:17:36,248 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-12-07 00:17:36,248 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:17:36,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-12-07 00:17:36,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=842, Unknown=0, NotChecked=0, Total=930 [2021-12-07 00:17:36,251 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 313 [2021-12-07 00:17:36,253 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 946 places, 3087 transitions, 98731 flow. Second operand has 31 states, 31 states have (on average 135.4516129032258) internal successors, (4199), 31 states have internal predecessors, (4199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:17:36,253 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:17:36,253 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 313 [2021-12-07 00:17:36,253 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:18:20,953 INFO L129 PetriNetUnfolder]: 13941/38540 cut-off events. [2021-12-07 00:18:20,953 INFO L130 PetriNetUnfolder]: For 1273398/1273413 co-relation queries the response was YES. [2021-12-07 00:18:22,353 INFO L84 FinitePrefix]: Finished finitePrefix Result has 312327 conditions, 38540 events. 13941/38540 cut-off events. For 1273398/1273413 co-relation queries the response was YES. Maximal size of possible extension queue 1203. Compared 440682 event pairs, 3916 based on Foata normal form. 25/37944 useless extension candidates. Maximal degree in co-relation 311934. Up to 25053 conditions per place. [2021-12-07 00:18:22,502 INFO L132 encePairwiseOnDemand]: 277/313 looper letters, 2807 selfloop transitions, 367 changer transitions 2/3323 dead transitions. [2021-12-07 00:18:22,502 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 980 places, 3323 transitions, 107723 flow [2021-12-07 00:18:22,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-12-07 00:18:22,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2021-12-07 00:18:22,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 5238 transitions. [2021-12-07 00:18:22,506 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.4522925481391935 [2021-12-07 00:18:22,506 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 5238 transitions. [2021-12-07 00:18:22,506 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 5238 transitions. [2021-12-07 00:18:22,507 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:18:22,507 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 5238 transitions. [2021-12-07 00:18:22,510 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 141.56756756756758) internal successors, (5238), 37 states have internal predecessors, (5238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:18:22,515 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 313.0) internal successors, (11894), 38 states have internal predecessors, (11894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:18:22,516 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 313.0) internal successors, (11894), 38 states have internal predecessors, (11894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:18:22,516 INFO L186 Difference]: Start difference. First operand has 946 places, 3087 transitions, 98731 flow. Second operand 37 states and 5238 transitions. [2021-12-07 00:18:22,516 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 980 places, 3323 transitions, 107723 flow [2021-12-07 00:18:43,825 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 951 places, 3323 transitions, 107318 flow, removed 54 selfloop flow, removed 29 redundant places. [2021-12-07 00:18:43,913 INFO L242 Difference]: Finished difference. Result has 959 places, 3112 transitions, 99991 flow [2021-12-07 00:18:43,916 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=98333, PETRI_DIFFERENCE_MINUEND_PLACES=915, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3087, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=343, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2729, PETRI_DIFFERENCE_SUBTRAHEND_STATES=37, PETRI_FLOW=99991, PETRI_PLACES=959, PETRI_TRANSITIONS=3112} [2021-12-07 00:18:43,916 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 643 predicate places. [2021-12-07 00:18:43,916 INFO L470 AbstractCegarLoop]: Abstraction has has 959 places, 3112 transitions, 99991 flow [2021-12-07 00:18:43,916 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 135.4516129032258) internal successors, (4199), 31 states have internal predecessors, (4199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:18:43,916 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:18:43,917 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:18:43,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-12-07 00:18:43,917 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-12-07 00:18:43,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:18:43,917 INFO L85 PathProgramCache]: Analyzing trace with hash -1328455169, now seen corresponding path program 5 times [2021-12-07 00:18:43,917 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:18:43,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67132131] [2021-12-07 00:18:43,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:18:43,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:18:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:44,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:18:44,404 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:18:44,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67132131] [2021-12-07 00:18:44,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67132131] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:18:44,404 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:18:44,404 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-12-07 00:18:44,405 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142706894] [2021-12-07 00:18:44,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:18:44,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-12-07 00:18:44,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:18:44,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-12-07 00:18:44,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=681, Unknown=0, NotChecked=0, Total=756 [2021-12-07 00:18:44,408 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 313 [2021-12-07 00:18:44,410 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 959 places, 3112 transitions, 99991 flow. Second operand has 28 states, 28 states have (on average 134.92857142857142) internal successors, (3778), 28 states have internal predecessors, (3778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:18:44,410 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:18:44,410 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 313 [2021-12-07 00:18:44,410 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:19:31,462 INFO L129 PetriNetUnfolder]: 14468/39399 cut-off events. [2021-12-07 00:19:31,462 INFO L130 PetriNetUnfolder]: For 1369817/1369832 co-relation queries the response was YES. [2021-12-07 00:19:32,937 INFO L84 FinitePrefix]: Finished finitePrefix Result has 325669 conditions, 39399 events. 14468/39399 cut-off events. For 1369817/1369832 co-relation queries the response was YES. Maximal size of possible extension queue 1187. Compared 449659 event pairs, 4065 based on Foata normal form. 282/39140 useless extension candidates. Maximal degree in co-relation 325270. Up to 24098 conditions per place. [2021-12-07 00:19:33,091 INFO L132 encePairwiseOnDemand]: 271/313 looper letters, 2022 selfloop transitions, 1281 changer transitions 99/3549 dead transitions. [2021-12-07 00:19:33,091 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 997 places, 3549 transitions, 120402 flow [2021-12-07 00:19:33,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-12-07 00:19:33,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2021-12-07 00:19:33,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 5448 transitions. [2021-12-07 00:19:33,098 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.4463013025313345 [2021-12-07 00:19:33,098 INFO L72 ComplementDD]: Start complementDD. Operand 39 states and 5448 transitions. [2021-12-07 00:19:33,098 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 5448 transitions. [2021-12-07 00:19:33,099 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:19:33,099 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 39 states and 5448 transitions. [2021-12-07 00:19:33,102 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 40 states, 39 states have (on average 139.69230769230768) internal successors, (5448), 39 states have internal predecessors, (5448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:19:33,107 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 40 states, 40 states have (on average 313.0) internal successors, (12520), 40 states have internal predecessors, (12520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:19:33,108 INFO L81 ComplementDD]: Finished complementDD. Result has 40 states, 40 states have (on average 313.0) internal successors, (12520), 40 states have internal predecessors, (12520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:19:33,108 INFO L186 Difference]: Start difference. First operand has 959 places, 3112 transitions, 99991 flow. Second operand 39 states and 5448 transitions. [2021-12-07 00:19:33,108 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 997 places, 3549 transitions, 120402 flow [2021-12-07 00:19:57,645 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 971 places, 3549 transitions, 119797 flow, removed 94 selfloop flow, removed 26 redundant places. [2021-12-07 00:19:57,737 INFO L242 Difference]: Finished difference. Result has 977 places, 3260 transitions, 108805 flow [2021-12-07 00:19:57,739 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=99439, PETRI_DIFFERENCE_MINUEND_PLACES=933, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1087, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1924, PETRI_DIFFERENCE_SUBTRAHEND_STATES=39, PETRI_FLOW=108805, PETRI_PLACES=977, PETRI_TRANSITIONS=3260} [2021-12-07 00:19:57,739 INFO L334 CegarLoopForPetriNet]: 316 programPoint places, 661 predicate places. [2021-12-07 00:19:57,740 INFO L470 AbstractCegarLoop]: Abstraction has has 977 places, 3260 transitions, 108805 flow [2021-12-07 00:19:57,740 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 134.92857142857142) internal successors, (3778), 28 states have internal predecessors, (3778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:19:57,740 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:19:57,740 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:19:57,740 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-12-07 00:19:57,740 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-12-07 00:19:57,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:19:57,741 INFO L85 PathProgramCache]: Analyzing trace with hash -767069045, now seen corresponding path program 6 times [2021-12-07 00:19:57,741 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:19:57,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198772652] [2021-12-07 00:19:57,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:19:57,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:19:57,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:19:58,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:19:58,350 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:19:58,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198772652] [2021-12-07 00:19:58,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198772652] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:19:58,351 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:19:58,351 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-12-07 00:19:58,351 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785655438] [2021-12-07 00:19:58,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:19:58,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-12-07 00:19:58,351 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:19:58,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-12-07 00:19:58,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=677, Unknown=0, NotChecked=0, Total=756 [2021-12-07 00:19:58,354 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 313 [2021-12-07 00:19:58,356 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 977 places, 3260 transitions, 108805 flow. Second operand has 28 states, 28 states have (on average 136.89285714285714) internal successors, (3833), 28 states have internal predecessors, (3833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:19:58,356 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:19:58,356 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 313 [2021-12-07 00:19:58,356 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand