./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/array-eq-trans.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/array-eq-trans.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 23bd321b64eb98f17ff91aefc669d9f5b78966b876ea50803bd27f8c9b624679 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 18:45:49,374 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 18:45:49,377 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 18:45:49,421 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 18:45:49,423 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 18:45:49,426 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 18:45:49,428 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 18:45:49,431 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 18:45:49,433 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 18:45:49,438 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 18:45:49,439 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 18:45:49,441 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 18:45:49,442 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 18:45:49,444 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 18:45:49,445 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 18:45:49,450 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 18:45:49,451 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 18:45:49,452 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 18:45:49,454 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 18:45:49,459 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 18:45:49,461 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 18:45:49,462 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 18:45:49,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 18:45:49,464 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 18:45:49,471 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 18:45:49,471 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 18:45:49,471 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 18:45:49,473 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 18:45:49,474 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 18:45:49,474 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 18:45:49,475 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 18:45:49,481 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 18:45:49,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 18:45:49,484 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 18:45:49,484 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 18:45:49,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 18:45:49,485 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 18:45:49,485 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 18:45:49,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 18:45:49,486 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 18:45:49,487 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 18:45:49,489 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 18:45:49,528 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 18:45:49,528 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 18:45:49,529 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 18:45:49,529 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 18:45:49,530 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 18:45:49,530 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 18:45:49,531 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 18:45:49,531 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 18:45:49,531 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 18:45:49,531 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 18:45:49,532 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 18:45:49,533 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 18:45:49,533 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 18:45:49,533 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 18:45:49,533 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 18:45:49,533 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 18:45:49,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 18:45:49,534 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 18:45:49,534 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 18:45:49,534 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 18:45:49,534 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 18:45:49,534 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 18:45:49,534 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 18:45:49,535 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 18:45:49,535 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 18:45:49,535 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 18:45:49,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 18:45:49,535 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 18:45:49,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 18:45:49,536 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 18:45:49,536 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 18:45:49,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 18:45:49,536 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 18:45:49,536 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 18:45:49,537 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 18:45:49,537 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 18:45:49,537 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 18:45:49,537 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23bd321b64eb98f17ff91aefc669d9f5b78966b876ea50803bd27f8c9b624679 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 18:45:49,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 18:45:49,846 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 18:45:49,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 18:45:49,850 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 18:45:49,850 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 18:45:49,851 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/array-eq-trans.wvr.c [2023-08-29 18:45:51,161 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 18:45:51,341 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 18:45:51,342 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/array-eq-trans.wvr.c [2023-08-29 18:45:51,348 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb3b25323/fcd01a67c73c4d9babe14a0b8ec4221b/FLAG6323acfc4 [2023-08-29 18:45:51,360 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb3b25323/fcd01a67c73c4d9babe14a0b8ec4221b [2023-08-29 18:45:51,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 18:45:51,364 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 18:45:51,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 18:45:51,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 18:45:51,373 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 18:45:51,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 06:45:51" (1/1) ... [2023-08-29 18:45:51,375 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4723abee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:45:51, skipping insertion in model container [2023-08-29 18:45:51,375 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 06:45:51" (1/1) ... [2023-08-29 18:45:51,381 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 18:45:51,403 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 18:45:51,562 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/array-eq-trans.wvr.c[2737,2750] [2023-08-29 18:45:51,568 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 18:45:51,576 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 18:45:51,606 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/array-eq-trans.wvr.c[2737,2750] [2023-08-29 18:45:51,611 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 18:45:51,623 INFO L208 MainTranslator]: Completed translation [2023-08-29 18:45:51,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:45:51 WrapperNode [2023-08-29 18:45:51,624 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 18:45:51,625 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 18:45:51,625 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 18:45:51,625 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 18:45:51,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:45:51" (1/1) ... [2023-08-29 18:45:51,641 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:45:51" (1/1) ... [2023-08-29 18:45:51,686 INFO L138 Inliner]: procedures = 24, calls = 46, calls flagged for inlining = 10, calls inlined = 14, statements flattened = 354 [2023-08-29 18:45:51,687 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 18:45:51,687 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 18:45:51,687 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 18:45:51,687 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 18:45:51,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:45:51" (1/1) ... [2023-08-29 18:45:51,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:45:51" (1/1) ... [2023-08-29 18:45:51,712 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:45:51" (1/1) ... [2023-08-29 18:45:51,712 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:45:51" (1/1) ... [2023-08-29 18:45:51,744 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:45:51" (1/1) ... [2023-08-29 18:45:51,750 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:45:51" (1/1) ... [2023-08-29 18:45:51,753 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:45:51" (1/1) ... [2023-08-29 18:45:51,755 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:45:51" (1/1) ... [2023-08-29 18:45:51,765 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 18:45:51,766 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 18:45:51,766 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 18:45:51,766 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 18:45:51,767 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:45:51" (1/1) ... [2023-08-29 18:45:51,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 18:45:51,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 18:45:51,795 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 18:45:51,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 18:45:51,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 18:45:51,848 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 18:45:51,848 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 18:45:51,848 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 18:45:51,849 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 18:45:51,849 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-29 18:45:51,849 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-29 18:45:51,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 18:45:51,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 18:45:51,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 18:45:51,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 18:45:51,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 18:45:51,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 18:45:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 18:45:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 18:45:51,851 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 18:45:51,980 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 18:45:51,982 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 18:45:52,757 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 18:45:52,770 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 18:45:52,771 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-08-29 18:45:52,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:45:52 BoogieIcfgContainer [2023-08-29 18:45:52,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 18:45:52,775 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 18:45:52,775 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 18:45:52,778 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 18:45:52,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 06:45:51" (1/3) ... [2023-08-29 18:45:52,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b77a9fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 06:45:52, skipping insertion in model container [2023-08-29 18:45:52,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:45:51" (2/3) ... [2023-08-29 18:45:52,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b77a9fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 06:45:52, skipping insertion in model container [2023-08-29 18:45:52,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:45:52" (3/3) ... [2023-08-29 18:45:52,781 INFO L112 eAbstractionObserver]: Analyzing ICFG array-eq-trans.wvr.c [2023-08-29 18:45:52,788 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 18:45:52,796 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 18:45:52,797 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 81 error locations. [2023-08-29 18:45:52,797 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 18:45:52,919 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-29 18:45:52,980 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 602 places, 625 transitions, 1274 flow [2023-08-29 18:45:53,252 INFO L130 PetriNetUnfolder]: 33/622 cut-off events. [2023-08-29 18:45:53,253 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-29 18:45:53,263 INFO L83 FinitePrefix]: Finished finitePrefix Result has 635 conditions, 622 events. 33/622 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1352 event pairs, 0 based on Foata normal form. 0/508 useless extension candidates. Maximal degree in co-relation 352. Up to 3 conditions per place. [2023-08-29 18:45:53,263 INFO L82 GeneralOperation]: Start removeDead. Operand has 602 places, 625 transitions, 1274 flow [2023-08-29 18:45:53,277 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 577 places, 597 transitions, 1212 flow [2023-08-29 18:45:53,281 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 18:45:53,299 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 577 places, 597 transitions, 1212 flow [2023-08-29 18:45:53,309 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 577 places, 597 transitions, 1212 flow [2023-08-29 18:45:53,310 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 577 places, 597 transitions, 1212 flow [2023-08-29 18:45:53,400 INFO L130 PetriNetUnfolder]: 30/597 cut-off events. [2023-08-29 18:45:53,400 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-29 18:45:53,406 INFO L83 FinitePrefix]: Finished finitePrefix Result has 610 conditions, 597 events. 30/597 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1251 event pairs, 0 based on Foata normal form. 0/487 useless extension candidates. Maximal degree in co-relation 352. Up to 3 conditions per place. [2023-08-29 18:45:53,422 INFO L119 LiptonReduction]: Number of co-enabled transitions 35640 [2023-08-29 18:46:08,056 INFO L134 LiptonReduction]: Checked pairs total: 218252 [2023-08-29 18:46:08,056 INFO L136 LiptonReduction]: Total number of compositions: 694 [2023-08-29 18:46:08,069 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 18:46:08,075 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@36e269ca, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 18:46:08,075 INFO L358 AbstractCegarLoop]: Starting to check reachability of 120 error locations. [2023-08-29 18:46:08,077 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 18:46:08,077 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 18:46:08,077 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:46:08,077 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 18:46:08,078 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-08-29 18:46:08,082 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:46:08,082 INFO L85 PathProgramCache]: Analyzing trace with hash 2265, now seen corresponding path program 1 times [2023-08-29 18:46:08,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:46:08,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844662821] [2023-08-29 18:46:08,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:46:08,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:46:08,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:46:08,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:46:08,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:46:08,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844662821] [2023-08-29 18:46:08,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844662821] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:46:08,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:46:08,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 18:46:08,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778679155] [2023-08-29 18:46:08,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:46:08,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 18:46:08,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:46:08,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 18:46:08,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 18:46:08,233 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 603 out of 1319 [2023-08-29 18:46:08,239 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 181 transitions, 380 flow. Second operand has 2 states, 2 states have (on average 603.5) internal successors, (1207), 2 states have internal predecessors, (1207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:08,240 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:46:08,240 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 603 of 1319 [2023-08-29 18:46:08,241 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:46:10,016 INFO L130 PetriNetUnfolder]: 7196/15514 cut-off events. [2023-08-29 18:46:10,016 INFO L131 PetriNetUnfolder]: For 455/455 co-relation queries the response was YES. [2023-08-29 18:46:10,050 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25495 conditions, 15514 events. 7196/15514 cut-off events. For 455/455 co-relation queries the response was YES. Maximal size of possible extension queue 574. Compared 141566 event pairs, 5141 based on Foata normal form. 1083/13617 useless extension candidates. Maximal degree in co-relation 22959. Up to 9638 conditions per place. [2023-08-29 18:46:10,139 INFO L137 encePairwiseOnDemand]: 1256/1319 looper letters, 53 selfloop transitions, 0 changer transitions 1/118 dead transitions. [2023-08-29 18:46:10,139 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 118 transitions, 362 flow [2023-08-29 18:46:10,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 18:46:10,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 18:46:10,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1323 transitions. [2023-08-29 18:46:10,160 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5015163002274451 [2023-08-29 18:46:10,161 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1323 transitions. [2023-08-29 18:46:10,161 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1323 transitions. [2023-08-29 18:46:10,165 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:46:10,167 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1323 transitions. [2023-08-29 18:46:10,173 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 661.5) internal successors, (1323), 2 states have internal predecessors, (1323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:10,183 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1319.0) internal successors, (3957), 3 states have internal predecessors, (3957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:10,184 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1319.0) internal successors, (3957), 3 states have internal predecessors, (3957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:10,186 INFO L175 Difference]: Start difference. First operand has 176 places, 181 transitions, 380 flow. Second operand 2 states and 1323 transitions. [2023-08-29 18:46:10,187 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 118 transitions, 362 flow [2023-08-29 18:46:10,198 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 118 transitions, 350 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-29 18:46:10,201 INFO L231 Difference]: Finished difference. Result has 111 places, 117 transitions, 239 flow [2023-08-29 18:46:10,203 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1319, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=239, PETRI_PLACES=111, PETRI_TRANSITIONS=117} [2023-08-29 18:46:10,208 INFO L281 CegarLoopForPetriNet]: 176 programPoint places, -65 predicate places. [2023-08-29 18:46:10,208 INFO L495 AbstractCegarLoop]: Abstraction has has 111 places, 117 transitions, 239 flow [2023-08-29 18:46:10,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 603.5) internal successors, (1207), 2 states have internal predecessors, (1207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:10,209 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:46:10,210 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:46:10,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 18:46:10,212 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-08-29 18:46:10,214 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:46:10,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1882568933, now seen corresponding path program 1 times [2023-08-29 18:46:10,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:46:10,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145473141] [2023-08-29 18:46:10,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:46:10,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:46:10,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:46:10,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:46:10,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:46:10,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145473141] [2023-08-29 18:46:10,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145473141] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:46:10,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:46:10,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:46:10,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020618642] [2023-08-29 18:46:10,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:46:10,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:46:10,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:46:10,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:46:10,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:46:10,437 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 587 out of 1319 [2023-08-29 18:46:10,440 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 117 transitions, 239 flow. Second operand has 3 states, 3 states have (on average 589.3333333333334) internal successors, (1768), 3 states have internal predecessors, (1768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:10,440 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:46:10,440 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 587 of 1319 [2023-08-29 18:46:10,440 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:46:11,840 INFO L130 PetriNetUnfolder]: 7196/15449 cut-off events. [2023-08-29 18:46:11,841 INFO L131 PetriNetUnfolder]: For 120/120 co-relation queries the response was YES. [2023-08-29 18:46:11,871 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25197 conditions, 15449 events. 7196/15449 cut-off events. For 120/120 co-relation queries the response was YES. Maximal size of possible extension queue 572. Compared 140362 event pairs, 5141 based on Foata normal form. 0/12469 useless extension candidates. Maximal degree in co-relation 25194. Up to 9636 conditions per place. [2023-08-29 18:46:11,941 INFO L137 encePairwiseOnDemand]: 1316/1319 looper letters, 52 selfloop transitions, 1 changer transitions 0/115 dead transitions. [2023-08-29 18:46:11,942 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 115 transitions, 341 flow [2023-08-29 18:46:11,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:46:11,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:46:11,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1816 transitions. [2023-08-29 18:46:11,947 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45893353550669697 [2023-08-29 18:46:11,947 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1816 transitions. [2023-08-29 18:46:11,947 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1816 transitions. [2023-08-29 18:46:11,948 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:46:11,948 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1816 transitions. [2023-08-29 18:46:11,952 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 605.3333333333334) internal successors, (1816), 3 states have internal predecessors, (1816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:11,959 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1319.0) internal successors, (5276), 4 states have internal predecessors, (5276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:11,961 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1319.0) internal successors, (5276), 4 states have internal predecessors, (5276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:11,962 INFO L175 Difference]: Start difference. First operand has 111 places, 117 transitions, 239 flow. Second operand 3 states and 1816 transitions. [2023-08-29 18:46:11,962 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 115 transitions, 341 flow [2023-08-29 18:46:11,963 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 115 transitions, 341 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:46:11,965 INFO L231 Difference]: Finished difference. Result has 110 places, 115 transitions, 237 flow [2023-08-29 18:46:11,965 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1319, PETRI_DIFFERENCE_MINUEND_FLOW=235, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=237, PETRI_PLACES=110, PETRI_TRANSITIONS=115} [2023-08-29 18:46:11,966 INFO L281 CegarLoopForPetriNet]: 176 programPoint places, -66 predicate places. [2023-08-29 18:46:11,966 INFO L495 AbstractCegarLoop]: Abstraction has has 110 places, 115 transitions, 237 flow [2023-08-29 18:46:11,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 589.3333333333334) internal successors, (1768), 3 states have internal predecessors, (1768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:11,968 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:46:11,968 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:46:11,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 18:46:11,968 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-08-29 18:46:11,969 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:46:11,969 INFO L85 PathProgramCache]: Analyzing trace with hash -966899991, now seen corresponding path program 1 times [2023-08-29 18:46:11,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:46:11,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141453718] [2023-08-29 18:46:11,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:46:11,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:46:11,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:46:12,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:46:12,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:46:12,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141453718] [2023-08-29 18:46:12,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141453718] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:46:12,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:46:12,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 18:46:12,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921356661] [2023-08-29 18:46:12,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:46:12,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:46:12,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:46:12,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:46:12,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:46:12,040 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 595 out of 1319 [2023-08-29 18:46:12,042 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 115 transitions, 237 flow. Second operand has 3 states, 3 states have (on average 597.6666666666666) internal successors, (1793), 3 states have internal predecessors, (1793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:12,042 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:46:12,042 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 595 of 1319 [2023-08-29 18:46:12,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:46:13,253 INFO L130 PetriNetUnfolder]: 7880/16804 cut-off events. [2023-08-29 18:46:13,253 INFO L131 PetriNetUnfolder]: For 120/120 co-relation queries the response was YES. [2023-08-29 18:46:13,289 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27494 conditions, 16804 events. 7880/16804 cut-off events. For 120/120 co-relation queries the response was YES. Maximal size of possible extension queue 571. Compared 152350 event pairs, 5141 based on Foata normal form. 0/13604 useless extension candidates. Maximal degree in co-relation 27490. Up to 9637 conditions per place. [2023-08-29 18:46:13,363 INFO L137 encePairwiseOnDemand]: 1316/1319 looper letters, 82 selfloop transitions, 2 changer transitions 0/146 dead transitions. [2023-08-29 18:46:13,364 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 146 transitions, 469 flow [2023-08-29 18:46:13,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:46:13,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:46:13,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1870 transitions. [2023-08-29 18:46:13,368 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4725802375537023 [2023-08-29 18:46:13,368 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1870 transitions. [2023-08-29 18:46:13,368 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1870 transitions. [2023-08-29 18:46:13,369 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:46:13,369 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1870 transitions. [2023-08-29 18:46:13,373 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 623.3333333333334) internal successors, (1870), 3 states have internal predecessors, (1870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:13,379 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1319.0) internal successors, (5276), 4 states have internal predecessors, (5276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:13,381 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1319.0) internal successors, (5276), 4 states have internal predecessors, (5276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:13,381 INFO L175 Difference]: Start difference. First operand has 110 places, 115 transitions, 237 flow. Second operand 3 states and 1870 transitions. [2023-08-29 18:46:13,381 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 146 transitions, 469 flow [2023-08-29 18:46:13,382 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 146 transitions, 468 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 18:46:13,384 INFO L231 Difference]: Finished difference. Result has 112 places, 116 transitions, 248 flow [2023-08-29 18:46:13,385 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1319, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=248, PETRI_PLACES=112, PETRI_TRANSITIONS=116} [2023-08-29 18:46:13,385 INFO L281 CegarLoopForPetriNet]: 176 programPoint places, -64 predicate places. [2023-08-29 18:46:13,385 INFO L495 AbstractCegarLoop]: Abstraction has has 112 places, 116 transitions, 248 flow [2023-08-29 18:46:13,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 597.6666666666666) internal successors, (1793), 3 states have internal predecessors, (1793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:13,387 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:46:13,387 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:46:13,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 18:46:13,387 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-08-29 18:46:13,387 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:46:13,387 INFO L85 PathProgramCache]: Analyzing trace with hash -966908177, now seen corresponding path program 1 times [2023-08-29 18:46:13,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:46:13,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885778414] [2023-08-29 18:46:13,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:46:13,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:46:13,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:46:13,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:46:13,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:46:13,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885778414] [2023-08-29 18:46:13,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885778414] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:46:13,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:46:13,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:46:13,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907834244] [2023-08-29 18:46:13,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:46:13,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:46:13,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:46:13,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:46:13,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:46:13,449 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 587 out of 1319 [2023-08-29 18:46:13,451 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 116 transitions, 248 flow. Second operand has 3 states, 3 states have (on average 590.0) internal successors, (1770), 3 states have internal predecessors, (1770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:13,451 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:46:13,452 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 587 of 1319 [2023-08-29 18:46:13,452 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:46:14,571 INFO L130 PetriNetUnfolder]: 7880/17340 cut-off events. [2023-08-29 18:46:14,571 INFO L131 PetriNetUnfolder]: For 1330/1330 co-relation queries the response was YES. [2023-08-29 18:46:14,604 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29251 conditions, 17340 events. 7880/17340 cut-off events. For 1330/1330 co-relation queries the response was YES. Maximal size of possible extension queue 602. Compared 161739 event pairs, 5693 based on Foata normal form. 0/14340 useless extension candidates. Maximal degree in co-relation 29246. Up to 10562 conditions per place. [2023-08-29 18:46:14,673 INFO L137 encePairwiseOnDemand]: 1316/1319 looper letters, 53 selfloop transitions, 1 changer transitions 0/114 dead transitions. [2023-08-29 18:46:14,673 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 114 transitions, 352 flow [2023-08-29 18:46:14,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:46:14,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:46:14,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1816 transitions. [2023-08-29 18:46:14,679 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45893353550669697 [2023-08-29 18:46:14,679 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1816 transitions. [2023-08-29 18:46:14,679 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1816 transitions. [2023-08-29 18:46:14,680 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:46:14,680 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1816 transitions. [2023-08-29 18:46:14,684 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 605.3333333333334) internal successors, (1816), 3 states have internal predecessors, (1816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:14,690 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1319.0) internal successors, (5276), 4 states have internal predecessors, (5276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:14,692 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1319.0) internal successors, (5276), 4 states have internal predecessors, (5276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:14,692 INFO L175 Difference]: Start difference. First operand has 112 places, 116 transitions, 248 flow. Second operand 3 states and 1816 transitions. [2023-08-29 18:46:14,692 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 114 transitions, 352 flow [2023-08-29 18:46:14,695 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 114 transitions, 350 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 18:46:14,696 INFO L231 Difference]: Finished difference. Result has 111 places, 114 transitions, 244 flow [2023-08-29 18:46:14,697 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1319, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=244, PETRI_PLACES=111, PETRI_TRANSITIONS=114} [2023-08-29 18:46:14,699 INFO L281 CegarLoopForPetriNet]: 176 programPoint places, -65 predicate places. [2023-08-29 18:46:14,699 INFO L495 AbstractCegarLoop]: Abstraction has has 111 places, 114 transitions, 244 flow [2023-08-29 18:46:14,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 590.0) internal successors, (1770), 3 states have internal predecessors, (1770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:14,701 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:46:14,701 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:46:14,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 18:46:14,702 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-08-29 18:46:14,702 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:46:14,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1485410004, now seen corresponding path program 1 times [2023-08-29 18:46:14,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:46:14,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195650474] [2023-08-29 18:46:14,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:46:14,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:46:14,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:46:14,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:46:14,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:46:14,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195650474] [2023-08-29 18:46:14,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195650474] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:46:14,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:46:14,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:46:14,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522088148] [2023-08-29 18:46:14,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:46:14,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:46:14,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:46:14,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:46:14,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:46:14,808 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 590 out of 1319 [2023-08-29 18:46:14,811 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 114 transitions, 244 flow. Second operand has 3 states, 3 states have (on average 593.6666666666666) internal successors, (1781), 3 states have internal predecessors, (1781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:14,811 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:46:14,811 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 590 of 1319 [2023-08-29 18:46:14,811 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:46:16,144 INFO L130 PetriNetUnfolder]: 11342/22862 cut-off events. [2023-08-29 18:46:16,144 INFO L131 PetriNetUnfolder]: For 1311/1311 co-relation queries the response was YES. [2023-08-29 18:46:16,207 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39936 conditions, 22862 events. 11342/22862 cut-off events. For 1311/1311 co-relation queries the response was YES. Maximal size of possible extension queue 685. Compared 205826 event pairs, 2641 based on Foata normal form. 0/19024 useless extension candidates. Maximal degree in co-relation 39931. Up to 10890 conditions per place. [2023-08-29 18:46:16,317 INFO L137 encePairwiseOnDemand]: 1315/1319 looper letters, 89 selfloop transitions, 2 changer transitions 0/149 dead transitions. [2023-08-29 18:46:16,318 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 149 transitions, 508 flow [2023-08-29 18:46:16,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:46:16,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:46:16,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1861 transitions. [2023-08-29 18:46:16,324 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47030578721253474 [2023-08-29 18:46:16,324 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1861 transitions. [2023-08-29 18:46:16,325 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1861 transitions. [2023-08-29 18:46:16,326 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:46:16,326 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1861 transitions. [2023-08-29 18:46:16,331 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 620.3333333333334) internal successors, (1861), 3 states have internal predecessors, (1861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:16,337 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1319.0) internal successors, (5276), 4 states have internal predecessors, (5276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:16,339 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1319.0) internal successors, (5276), 4 states have internal predecessors, (5276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:16,340 INFO L175 Difference]: Start difference. First operand has 111 places, 114 transitions, 244 flow. Second operand 3 states and 1861 transitions. [2023-08-29 18:46:16,340 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 149 transitions, 508 flow [2023-08-29 18:46:16,345 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 149 transitions, 507 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 18:46:16,348 INFO L231 Difference]: Finished difference. Result has 111 places, 114 transitions, 255 flow [2023-08-29 18:46:16,348 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1319, PETRI_DIFFERENCE_MINUEND_FLOW=239, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=255, PETRI_PLACES=111, PETRI_TRANSITIONS=114} [2023-08-29 18:46:16,351 INFO L281 CegarLoopForPetriNet]: 176 programPoint places, -65 predicate places. [2023-08-29 18:46:16,351 INFO L495 AbstractCegarLoop]: Abstraction has has 111 places, 114 transitions, 255 flow [2023-08-29 18:46:16,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 593.6666666666666) internal successors, (1781), 3 states have internal predecessors, (1781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:16,353 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:46:16,353 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:46:16,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 18:46:16,353 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-08-29 18:46:16,353 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:46:16,354 INFO L85 PathProgramCache]: Analyzing trace with hash -683752201, now seen corresponding path program 1 times [2023-08-29 18:46:16,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:46:16,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927892290] [2023-08-29 18:46:16,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:46:16,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:46:16,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:46:16,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:46:16,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:46:16,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927892290] [2023-08-29 18:46:16,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927892290] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:46:16,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:46:16,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 18:46:16,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139738794] [2023-08-29 18:46:16,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:46:16,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:46:16,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:46:16,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:46:16,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:46:16,442 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 595 out of 1319 [2023-08-29 18:46:16,444 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 114 transitions, 255 flow. Second operand has 3 states, 3 states have (on average 598.3333333333334) internal successors, (1795), 3 states have internal predecessors, (1795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:16,445 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:46:16,445 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 595 of 1319 [2023-08-29 18:46:16,445 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:46:17,733 INFO L130 PetriNetUnfolder]: 12302/24146 cut-off events. [2023-08-29 18:46:17,734 INFO L131 PetriNetUnfolder]: For 2888/2888 co-relation queries the response was YES. [2023-08-29 18:46:17,837 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43951 conditions, 24146 events. 12302/24146 cut-off events. For 2888/2888 co-relation queries the response was YES. Maximal size of possible extension queue 700. Compared 209854 event pairs, 8194 based on Foata normal form. 0/21006 useless extension candidates. Maximal degree in co-relation 43946. Up to 15263 conditions per place. [2023-08-29 18:46:17,937 INFO L137 encePairwiseOnDemand]: 1316/1319 looper letters, 86 selfloop transitions, 2 changer transitions 0/146 dead transitions. [2023-08-29 18:46:17,937 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 146 transitions, 517 flow [2023-08-29 18:46:17,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:46:17,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:46:17,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1868 transitions. [2023-08-29 18:46:17,942 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47207480414455394 [2023-08-29 18:46:17,943 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1868 transitions. [2023-08-29 18:46:17,943 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1868 transitions. [2023-08-29 18:46:17,943 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:46:17,944 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1868 transitions. [2023-08-29 18:46:17,947 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 622.6666666666666) internal successors, (1868), 3 states have internal predecessors, (1868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:17,964 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1319.0) internal successors, (5276), 4 states have internal predecessors, (5276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:17,965 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1319.0) internal successors, (5276), 4 states have internal predecessors, (5276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:17,966 INFO L175 Difference]: Start difference. First operand has 111 places, 114 transitions, 255 flow. Second operand 3 states and 1868 transitions. [2023-08-29 18:46:17,966 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 146 transitions, 517 flow [2023-08-29 18:46:17,969 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 146 transitions, 517 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:46:17,971 INFO L231 Difference]: Finished difference. Result has 114 places, 115 transitions, 267 flow [2023-08-29 18:46:17,971 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1319, PETRI_DIFFERENCE_MINUEND_FLOW=255, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=267, PETRI_PLACES=114, PETRI_TRANSITIONS=115} [2023-08-29 18:46:17,975 INFO L281 CegarLoopForPetriNet]: 176 programPoint places, -62 predicate places. [2023-08-29 18:46:17,975 INFO L495 AbstractCegarLoop]: Abstraction has has 114 places, 115 transitions, 267 flow [2023-08-29 18:46:17,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 598.3333333333334) internal successors, (1795), 3 states have internal predecessors, (1795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:17,976 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:46:17,976 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:46:17,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 18:46:17,976 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-08-29 18:46:17,976 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:46:17,977 INFO L85 PathProgramCache]: Analyzing trace with hash -683756450, now seen corresponding path program 1 times [2023-08-29 18:46:17,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:46:17,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691493293] [2023-08-29 18:46:17,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:46:17,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:46:17,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:46:18,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:46:18,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:46:18,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691493293] [2023-08-29 18:46:18,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691493293] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:46:18,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:46:18,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:46:18,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990971028] [2023-08-29 18:46:18,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:46:18,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:46:18,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:46:18,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:46:18,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:46:18,036 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 587 out of 1319 [2023-08-29 18:46:18,038 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 115 transitions, 267 flow. Second operand has 3 states, 3 states have (on average 590.6666666666666) internal successors, (1772), 3 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:18,038 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:46:18,038 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 587 of 1319 [2023-08-29 18:46:18,038 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:46:19,453 INFO L130 PetriNetUnfolder]: 12302/24285 cut-off events. [2023-08-29 18:46:19,453 INFO L131 PetriNetUnfolder]: For 4485/4485 co-relation queries the response was YES. [2023-08-29 18:46:19,511 INFO L83 FinitePrefix]: Finished finitePrefix Result has 45842 conditions, 24285 events. 12302/24285 cut-off events. For 4485/4485 co-relation queries the response was YES. Maximal size of possible extension queue 708. Compared 212041 event pairs, 8965 based on Foata normal form. 0/21437 useless extension candidates. Maximal degree in co-relation 45835. Up to 16568 conditions per place. [2023-08-29 18:46:19,596 INFO L137 encePairwiseOnDemand]: 1316/1319 looper letters, 56 selfloop transitions, 1 changer transitions 0/113 dead transitions. [2023-08-29 18:46:19,596 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 113 transitions, 377 flow [2023-08-29 18:46:19,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:46:19,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:46:19,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1816 transitions. [2023-08-29 18:46:19,601 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45893353550669697 [2023-08-29 18:46:19,601 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1816 transitions. [2023-08-29 18:46:19,601 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1816 transitions. [2023-08-29 18:46:19,602 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:46:19,602 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1816 transitions. [2023-08-29 18:46:19,606 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 605.3333333333334) internal successors, (1816), 3 states have internal predecessors, (1816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:19,611 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1319.0) internal successors, (5276), 4 states have internal predecessors, (5276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:19,612 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1319.0) internal successors, (5276), 4 states have internal predecessors, (5276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:19,613 INFO L175 Difference]: Start difference. First operand has 114 places, 115 transitions, 267 flow. Second operand 3 states and 1816 transitions. [2023-08-29 18:46:19,613 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 113 transitions, 377 flow [2023-08-29 18:46:19,629 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 113 transitions, 375 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 18:46:19,631 INFO L231 Difference]: Finished difference. Result has 113 places, 113 transitions, 263 flow [2023-08-29 18:46:19,631 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1319, PETRI_DIFFERENCE_MINUEND_FLOW=261, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=263, PETRI_PLACES=113, PETRI_TRANSITIONS=113} [2023-08-29 18:46:19,631 INFO L281 CegarLoopForPetriNet]: 176 programPoint places, -63 predicate places. [2023-08-29 18:46:19,632 INFO L495 AbstractCegarLoop]: Abstraction has has 113 places, 113 transitions, 263 flow [2023-08-29 18:46:19,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 590.6666666666666) internal successors, (1772), 3 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:19,632 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:46:19,632 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:46:19,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 18:46:19,633 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-08-29 18:46:19,633 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:46:19,633 INFO L85 PathProgramCache]: Analyzing trace with hash 40385289, now seen corresponding path program 1 times [2023-08-29 18:46:19,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:46:19,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177255541] [2023-08-29 18:46:19,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:46:19,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:46:19,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:46:19,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:46:19,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:46:19,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177255541] [2023-08-29 18:46:19,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177255541] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:46:19,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:46:19,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:46:19,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118772011] [2023-08-29 18:46:19,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:46:19,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:46:19,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:46:19,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:46:19,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:46:19,692 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 590 out of 1319 [2023-08-29 18:46:19,694 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 113 transitions, 263 flow. Second operand has 3 states, 3 states have (on average 594.3333333333334) internal successors, (1783), 3 states have internal predecessors, (1783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:19,694 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:46:19,694 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 590 of 1319 [2023-08-29 18:46:19,694 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:46:21,512 INFO L130 PetriNetUnfolder]: 20092/36435 cut-off events. [2023-08-29 18:46:21,512 INFO L131 PetriNetUnfolder]: For 5725/5725 co-relation queries the response was YES. [2023-08-29 18:46:21,613 INFO L83 FinitePrefix]: Finished finitePrefix Result has 71428 conditions, 36435 events. 20092/36435 cut-off events. For 5725/5725 co-relation queries the response was YES. Maximal size of possible extension queue 941. Compared 304185 event pairs, 4939 based on Foata normal form. 0/32704 useless extension candidates. Maximal degree in co-relation 71421. Up to 19020 conditions per place. [2023-08-29 18:46:21,717 INFO L137 encePairwiseOnDemand]: 1315/1319 looper letters, 98 selfloop transitions, 2 changer transitions 0/152 dead transitions. [2023-08-29 18:46:21,717 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 152 transitions, 573 flow [2023-08-29 18:46:21,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:46:21,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:46:21,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1864 transitions. [2023-08-29 18:46:21,722 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4710639373262573 [2023-08-29 18:46:21,722 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1864 transitions. [2023-08-29 18:46:21,722 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1864 transitions. [2023-08-29 18:46:21,724 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:46:21,724 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1864 transitions. [2023-08-29 18:46:21,727 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 621.3333333333334) internal successors, (1864), 3 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:21,732 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1319.0) internal successors, (5276), 4 states have internal predecessors, (5276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:21,733 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1319.0) internal successors, (5276), 4 states have internal predecessors, (5276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:21,733 INFO L175 Difference]: Start difference. First operand has 113 places, 113 transitions, 263 flow. Second operand 3 states and 1864 transitions. [2023-08-29 18:46:21,733 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 152 transitions, 573 flow [2023-08-29 18:46:21,746 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 152 transitions, 572 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 18:46:21,747 INFO L231 Difference]: Finished difference. Result has 113 places, 113 transitions, 274 flow [2023-08-29 18:46:21,748 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1319, PETRI_DIFFERENCE_MINUEND_FLOW=258, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=274, PETRI_PLACES=113, PETRI_TRANSITIONS=113} [2023-08-29 18:46:21,748 INFO L281 CegarLoopForPetriNet]: 176 programPoint places, -63 predicate places. [2023-08-29 18:46:21,748 INFO L495 AbstractCegarLoop]: Abstraction has has 113 places, 113 transitions, 274 flow [2023-08-29 18:46:21,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 594.3333333333334) internal successors, (1783), 3 states have internal predecessors, (1783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:21,749 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:46:21,749 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:46:21,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 18:46:21,750 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-08-29 18:46:21,750 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:46:21,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1832215445, now seen corresponding path program 1 times [2023-08-29 18:46:21,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:46:21,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650798232] [2023-08-29 18:46:21,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:46:21,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:46:21,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:46:22,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:46:22,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:46:22,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650798232] [2023-08-29 18:46:22,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650798232] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:46:22,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:46:22,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 18:46:22,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118076740] [2023-08-29 18:46:22,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:46:22,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 18:46:22,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:46:22,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 18:46:22,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 18:46:22,779 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 582 out of 1319 [2023-08-29 18:46:22,781 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 113 transitions, 274 flow. Second operand has 6 states, 6 states have (on average 584.3333333333334) internal successors, (3506), 6 states have internal predecessors, (3506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:22,781 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:46:22,781 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 582 of 1319 [2023-08-29 18:46:22,781 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:46:27,461 INFO L130 PetriNetUnfolder]: 57673/83227 cut-off events. [2023-08-29 18:46:27,461 INFO L131 PetriNetUnfolder]: For 23755/23804 co-relation queries the response was YES. [2023-08-29 18:46:27,778 INFO L83 FinitePrefix]: Finished finitePrefix Result has 182181 conditions, 83227 events. 57673/83227 cut-off events. For 23755/23804 co-relation queries the response was YES. Maximal size of possible extension queue 2238. Compared 571283 event pairs, 6218 based on Foata normal form. 0/76361 useless extension candidates. Maximal degree in co-relation 182174. Up to 26944 conditions per place. [2023-08-29 18:46:28,065 INFO L137 encePairwiseOnDemand]: 1314/1319 looper letters, 222 selfloop transitions, 4 changer transitions 0/276 dead transitions. [2023-08-29 18:46:28,066 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 276 transitions, 1192 flow [2023-08-29 18:46:28,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 18:46:28,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 18:46:28,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3694 transitions. [2023-08-29 18:46:28,072 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46676775334849635 [2023-08-29 18:46:28,073 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3694 transitions. [2023-08-29 18:46:28,073 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3694 transitions. [2023-08-29 18:46:28,075 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:46:28,075 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3694 transitions. [2023-08-29 18:46:28,081 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 615.6666666666666) internal successors, (3694), 6 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) [2023-08-29 18:46:28,090 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1319.0) internal successors, (9233), 7 states have internal predecessors, (9233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:28,091 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1319.0) internal successors, (9233), 7 states have internal predecessors, (9233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:28,092 INFO L175 Difference]: Start difference. First operand has 113 places, 113 transitions, 274 flow. Second operand 6 states and 3694 transitions. [2023-08-29 18:46:28,092 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 276 transitions, 1192 flow [2023-08-29 18:46:28,134 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 276 transitions, 1192 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:46:28,136 INFO L231 Difference]: Finished difference. Result has 117 places, 112 transitions, 280 flow [2023-08-29 18:46:28,137 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1319, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=280, PETRI_PLACES=117, PETRI_TRANSITIONS=112} [2023-08-29 18:46:28,137 INFO L281 CegarLoopForPetriNet]: 176 programPoint places, -59 predicate places. [2023-08-29 18:46:28,138 INFO L495 AbstractCegarLoop]: Abstraction has has 117 places, 112 transitions, 280 flow [2023-08-29 18:46:28,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 584.3333333333334) internal successors, (3506), 6 states have internal predecessors, (3506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:28,139 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:46:28,139 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:46:28,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 18:46:28,139 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-08-29 18:46:28,139 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:46:28,140 INFO L85 PathProgramCache]: Analyzing trace with hash -154892273, now seen corresponding path program 1 times [2023-08-29 18:46:28,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:46:28,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664687648] [2023-08-29 18:46:28,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:46:28,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:46:28,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:46:28,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:46:28,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:46:28,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664687648] [2023-08-29 18:46:28,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664687648] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:46:28,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:46:28,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 18:46:28,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325679051] [2023-08-29 18:46:28,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:46:28,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-29 18:46:28,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:46:28,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-29 18:46:28,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-29 18:46:28,383 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 588 out of 1319 [2023-08-29 18:46:28,384 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 112 transitions, 280 flow. Second operand has 4 states, 4 states have (on average 590.75) internal successors, (2363), 4 states have internal predecessors, (2363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:28,384 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:46:28,385 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 588 of 1319 [2023-08-29 18:46:28,385 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:46:32,861 INFO L130 PetriNetUnfolder]: 35215/65713 cut-off events. [2023-08-29 18:46:32,862 INFO L131 PetriNetUnfolder]: For 18493/18511 co-relation queries the response was YES. [2023-08-29 18:46:33,057 INFO L83 FinitePrefix]: Finished finitePrefix Result has 136278 conditions, 65713 events. 35215/65713 cut-off events. For 18493/18511 co-relation queries the response was YES. Maximal size of possible extension queue 1518. Compared 620180 event pairs, 27208 based on Foata normal form. 1296/61460 useless extension candidates. Maximal degree in co-relation 136270. Up to 25583 conditions per place. [2023-08-29 18:46:33,257 INFO L137 encePairwiseOnDemand]: 1312/1319 looper letters, 144 selfloop transitions, 6 changer transitions 0/204 dead transitions. [2023-08-29 18:46:33,257 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 204 transitions, 829 flow [2023-08-29 18:46:33,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-29 18:46:33,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-29 18:46:33,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 3081 transitions. [2023-08-29 18:46:33,264 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.467172100075815 [2023-08-29 18:46:33,264 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 3081 transitions. [2023-08-29 18:46:33,264 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 3081 transitions. [2023-08-29 18:46:33,266 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:46:33,266 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 3081 transitions. [2023-08-29 18:46:33,272 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 616.2) internal successors, (3081), 5 states have internal predecessors, (3081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:33,280 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 1319.0) internal successors, (7914), 6 states have internal predecessors, (7914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:33,282 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 1319.0) internal successors, (7914), 6 states have internal predecessors, (7914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:33,282 INFO L175 Difference]: Start difference. First operand has 117 places, 112 transitions, 280 flow. Second operand 5 states and 3081 transitions. [2023-08-29 18:46:33,282 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 204 transitions, 829 flow [2023-08-29 18:46:33,488 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 204 transitions, 818 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 18:46:33,490 INFO L231 Difference]: Finished difference. Result has 120 places, 117 transitions, 321 flow [2023-08-29 18:46:33,490 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1319, PETRI_DIFFERENCE_MINUEND_FLOW=273, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=321, PETRI_PLACES=120, PETRI_TRANSITIONS=117} [2023-08-29 18:46:33,490 INFO L281 CegarLoopForPetriNet]: 176 programPoint places, -56 predicate places. [2023-08-29 18:46:33,491 INFO L495 AbstractCegarLoop]: Abstraction has has 120 places, 117 transitions, 321 flow [2023-08-29 18:46:33,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 590.75) internal successors, (2363), 4 states have internal predecessors, (2363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:33,491 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:46:33,492 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:46:33,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 18:46:33,492 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-08-29 18:46:33,492 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:46:33,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1741898348, now seen corresponding path program 1 times [2023-08-29 18:46:33,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:46:33,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073414522] [2023-08-29 18:46:33,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:46:33,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:46:33,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:46:33,625 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 18:46:33,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:46:33,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073414522] [2023-08-29 18:46:33,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073414522] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:46:33,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:46:33,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 18:46:33,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865498840] [2023-08-29 18:46:33,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:46:33,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 18:46:33,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:46:33,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 18:46:33,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-08-29 18:46:33,927 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 1319 [2023-08-29 18:46:33,929 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 117 transitions, 321 flow. Second operand has 6 states, 6 states have (on average 581.0) internal successors, (3486), 6 states have internal predecessors, (3486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:33,930 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:46:33,930 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 1319 [2023-08-29 18:46:33,930 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:46:44,142 INFO L130 PetriNetUnfolder]: 88176/153229 cut-off events. [2023-08-29 18:46:44,142 INFO L131 PetriNetUnfolder]: For 32965/32965 co-relation queries the response was YES. [2023-08-29 18:46:44,729 INFO L83 FinitePrefix]: Finished finitePrefix Result has 318178 conditions, 153229 events. 88176/153229 cut-off events. For 32965/32965 co-relation queries the response was YES. Maximal size of possible extension queue 2890. Compared 1485299 event pairs, 49162 based on Foata normal form. 1296/142281 useless extension candidates. Maximal degree in co-relation 318167. Up to 40386 conditions per place. [2023-08-29 18:46:45,358 INFO L137 encePairwiseOnDemand]: 1309/1319 looper letters, 287 selfloop transitions, 19 changer transitions 0/360 dead transitions. [2023-08-29 18:46:45,358 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 360 transitions, 1598 flow [2023-08-29 18:46:45,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 18:46:45,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 18:46:45,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 5490 transitions. [2023-08-29 18:46:45,368 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4624715693707354 [2023-08-29 18:46:45,368 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 5490 transitions. [2023-08-29 18:46:45,368 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 5490 transitions. [2023-08-29 18:46:45,371 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:46:45,371 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 5490 transitions. [2023-08-29 18:46:45,379 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 610.0) internal successors, (5490), 9 states have internal predecessors, (5490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:45,389 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 1319.0) internal successors, (13190), 10 states have internal predecessors, (13190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:45,390 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 1319.0) internal successors, (13190), 10 states have internal predecessors, (13190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:45,391 INFO L175 Difference]: Start difference. First operand has 120 places, 117 transitions, 321 flow. Second operand 9 states and 5490 transitions. [2023-08-29 18:46:45,391 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 360 transitions, 1598 flow [2023-08-29 18:46:45,529 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 360 transitions, 1594 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-29 18:46:45,532 INFO L231 Difference]: Finished difference. Result has 133 places, 132 transitions, 476 flow [2023-08-29 18:46:45,533 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1319, PETRI_DIFFERENCE_MINUEND_FLOW=317, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=476, PETRI_PLACES=133, PETRI_TRANSITIONS=132} [2023-08-29 18:46:45,533 INFO L281 CegarLoopForPetriNet]: 176 programPoint places, -43 predicate places. [2023-08-29 18:46:45,533 INFO L495 AbstractCegarLoop]: Abstraction has has 133 places, 132 transitions, 476 flow [2023-08-29 18:46:45,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 581.0) internal successors, (3486), 6 states have internal predecessors, (3486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:45,534 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:46:45,534 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:46:45,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-29 18:46:45,535 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-08-29 18:46:45,535 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:46:45,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1227586539, now seen corresponding path program 1 times [2023-08-29 18:46:45,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:46:45,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389181988] [2023-08-29 18:46:45,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:46:45,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:46:45,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:46:45,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:46:45,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:46:45,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389181988] [2023-08-29 18:46:45,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389181988] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:46:45,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:46:45,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 18:46:45,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832239905] [2023-08-29 18:46:45,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:46:45,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:46:45,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:46:45,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:46:45,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:46:45,574 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 595 out of 1319 [2023-08-29 18:46:45,576 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 132 transitions, 476 flow. Second operand has 3 states, 3 states have (on average 599.3333333333334) internal successors, (1798), 3 states have internal predecessors, (1798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:45,576 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:46:45,576 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 595 of 1319 [2023-08-29 18:46:45,576 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:46:58,553 INFO L130 PetriNetUnfolder]: 97935/174412 cut-off events. [2023-08-29 18:46:58,554 INFO L131 PetriNetUnfolder]: For 114307/114307 co-relation queries the response was YES. [2023-08-29 18:46:59,378 INFO L83 FinitePrefix]: Finished finitePrefix Result has 388741 conditions, 174412 events. 97935/174412 cut-off events. For 114307/114307 co-relation queries the response was YES. Maximal size of possible extension queue 3223. Compared 1747136 event pairs, 69152 based on Foata normal form. 3814/165439 useless extension candidates. Maximal degree in co-relation 388724. Up to 121312 conditions per place. [2023-08-29 18:46:59,966 INFO L137 encePairwiseOnDemand]: 1316/1319 looper letters, 121 selfloop transitions, 2 changer transitions 0/177 dead transitions. [2023-08-29 18:46:59,966 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 177 transitions, 927 flow [2023-08-29 18:46:59,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:46:59,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:46:59,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1869 transitions. [2023-08-29 18:46:59,970 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4723275208491281 [2023-08-29 18:46:59,970 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1869 transitions. [2023-08-29 18:46:59,971 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1869 transitions. [2023-08-29 18:46:59,971 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:46:59,972 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1869 transitions. [2023-08-29 18:46:59,975 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 623.0) internal successors, (1869), 3 states have internal predecessors, (1869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:59,979 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1319.0) internal successors, (5276), 4 states have internal predecessors, (5276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:59,980 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1319.0) internal successors, (5276), 4 states have internal predecessors, (5276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:46:59,980 INFO L175 Difference]: Start difference. First operand has 133 places, 132 transitions, 476 flow. Second operand 3 states and 1869 transitions. [2023-08-29 18:46:59,980 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 177 transitions, 927 flow [2023-08-29 18:47:00,223 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 177 transitions, 921 flow, removed 3 selfloop flow, removed 0 redundant places. [2023-08-29 18:47:00,225 INFO L231 Difference]: Finished difference. Result has 136 places, 133 transitions, 484 flow [2023-08-29 18:47:00,226 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1319, PETRI_DIFFERENCE_MINUEND_FLOW=470, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=484, PETRI_PLACES=136, PETRI_TRANSITIONS=133} [2023-08-29 18:47:00,227 INFO L281 CegarLoopForPetriNet]: 176 programPoint places, -40 predicate places. [2023-08-29 18:47:00,227 INFO L495 AbstractCegarLoop]: Abstraction has has 136 places, 133 transitions, 484 flow [2023-08-29 18:47:00,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 599.3333333333334) internal successors, (1798), 3 states have internal predecessors, (1798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:47:00,228 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:47:00,228 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:47:00,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-29 18:47:00,228 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-08-29 18:47:00,228 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:47:00,229 INFO L85 PathProgramCache]: Analyzing trace with hash -697697640, now seen corresponding path program 1 times [2023-08-29 18:47:00,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:47:00,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220677254] [2023-08-29 18:47:00,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:47:00,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:47:00,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:47:00,610 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 18:47:00,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:47:00,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220677254] [2023-08-29 18:47:00,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220677254] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:47:00,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:47:00,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 18:47:00,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774368441] [2023-08-29 18:47:00,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:47:00,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 18:47:00,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:47:00,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 18:47:00,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 18:47:01,385 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 575 out of 1319 [2023-08-29 18:47:01,387 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 133 transitions, 484 flow. Second operand has 6 states, 6 states have (on average 578.0) internal successors, (3468), 6 states have internal predecessors, (3468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:47:01,387 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:47:01,387 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 575 of 1319 [2023-08-29 18:47:01,387 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:47:15,952 INFO L130 PetriNetUnfolder]: 109833/192406 cut-off events. [2023-08-29 18:47:15,952 INFO L131 PetriNetUnfolder]: For 134633/134633 co-relation queries the response was YES. [2023-08-29 18:47:16,921 INFO L83 FinitePrefix]: Finished finitePrefix Result has 447275 conditions, 192406 events. 109833/192406 cut-off events. For 134633/134633 co-relation queries the response was YES. Maximal size of possible extension queue 3377. Compared 1902914 event pairs, 76009 based on Foata normal form. 0/183040 useless extension candidates. Maximal degree in co-relation 447256. Up to 130629 conditions per place. [2023-08-29 18:47:17,521 INFO L137 encePairwiseOnDemand]: 1313/1319 looper letters, 214 selfloop transitions, 6 changer transitions 0/268 dead transitions. [2023-08-29 18:47:17,521 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 268 transitions, 1312 flow [2023-08-29 18:47:17,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 18:47:17,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 18:47:17,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3633 transitions. [2023-08-29 18:47:17,526 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4590598938589841 [2023-08-29 18:47:17,526 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3633 transitions. [2023-08-29 18:47:17,526 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3633 transitions. [2023-08-29 18:47:17,527 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:47:17,527 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3633 transitions. [2023-08-29 18:47:17,532 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 605.5) internal successors, (3633), 6 states have internal predecessors, (3633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:47:17,538 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1319.0) internal successors, (9233), 7 states have internal predecessors, (9233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:47:17,539 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1319.0) internal successors, (9233), 7 states have internal predecessors, (9233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:47:17,539 INFO L175 Difference]: Start difference. First operand has 136 places, 133 transitions, 484 flow. Second operand 6 states and 3633 transitions. [2023-08-29 18:47:17,539 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 268 transitions, 1312 flow [2023-08-29 18:47:19,566 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 268 transitions, 1302 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 18:47:19,568 INFO L231 Difference]: Finished difference. Result has 139 places, 132 transitions, 492 flow [2023-08-29 18:47:19,569 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1319, PETRI_DIFFERENCE_MINUEND_FLOW=480, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=492, PETRI_PLACES=139, PETRI_TRANSITIONS=132} [2023-08-29 18:47:19,569 INFO L281 CegarLoopForPetriNet]: 176 programPoint places, -37 predicate places. [2023-08-29 18:47:19,569 INFO L495 AbstractCegarLoop]: Abstraction has has 139 places, 132 transitions, 492 flow [2023-08-29 18:47:19,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 578.0) internal successors, (3468), 6 states have internal predecessors, (3468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:47:19,570 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:47:19,570 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:47:19,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-29 18:47:19,570 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-08-29 18:47:19,571 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:47:19,571 INFO L85 PathProgramCache]: Analyzing trace with hash 2146687999, now seen corresponding path program 1 times [2023-08-29 18:47:19,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:47:19,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474123738] [2023-08-29 18:47:19,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:47:19,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:47:19,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:47:19,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:47:19,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:47:19,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474123738] [2023-08-29 18:47:19,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474123738] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:47:19,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:47:19,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-29 18:47:19,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866632324] [2023-08-29 18:47:19,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:47:19,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-29 18:47:19,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:47:19,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-29 18:47:19,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-08-29 18:47:19,857 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 587 out of 1319 [2023-08-29 18:47:19,859 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 132 transitions, 492 flow. Second operand has 5 states, 5 states have (on average 589.8) internal successors, (2949), 5 states have internal predecessors, (2949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:47:19,859 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:47:19,859 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 587 of 1319 [2023-08-29 18:47:19,859 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:47:32,493 INFO L130 PetriNetUnfolder]: 85829/162657 cut-off events. [2023-08-29 18:47:32,493 INFO L131 PetriNetUnfolder]: For 102577/102723 co-relation queries the response was YES. [2023-08-29 18:47:33,371 INFO L83 FinitePrefix]: Finished finitePrefix Result has 361323 conditions, 162657 events. 85829/162657 cut-off events. For 102577/102723 co-relation queries the response was YES. Maximal size of possible extension queue 2619. Compared 1669090 event pairs, 35828 based on Foata normal form. 1021/154227 useless extension candidates. Maximal degree in co-relation 361304. Up to 51917 conditions per place. [2023-08-29 18:47:34,092 INFO L137 encePairwiseOnDemand]: 1311/1319 looper letters, 195 selfloop transitions, 10 changer transitions 0/258 dead transitions. [2023-08-29 18:47:34,092 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 258 transitions, 1352 flow [2023-08-29 18:47:34,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 18:47:34,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 18:47:34,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3693 transitions. [2023-08-29 18:47:34,097 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46664139499620927 [2023-08-29 18:47:34,097 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3693 transitions. [2023-08-29 18:47:34,097 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3693 transitions. [2023-08-29 18:47:34,098 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:47:34,098 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3693 transitions. [2023-08-29 18:47:34,101 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 615.5) internal successors, (3693), 6 states have internal predecessors, (3693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:47:34,107 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1319.0) internal successors, (9233), 7 states have internal predecessors, (9233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:47:34,108 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1319.0) internal successors, (9233), 7 states have internal predecessors, (9233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:47:34,108 INFO L175 Difference]: Start difference. First operand has 139 places, 132 transitions, 492 flow. Second operand 6 states and 3693 transitions. [2023-08-29 18:47:34,108 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 258 transitions, 1352 flow [2023-08-29 18:47:34,542 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 258 transitions, 1332 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 18:47:34,543 INFO L231 Difference]: Finished difference. Result has 142 places, 134 transitions, 527 flow [2023-08-29 18:47:34,543 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1319, PETRI_DIFFERENCE_MINUEND_FLOW=480, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=527, PETRI_PLACES=142, PETRI_TRANSITIONS=134} [2023-08-29 18:47:34,544 INFO L281 CegarLoopForPetriNet]: 176 programPoint places, -34 predicate places. [2023-08-29 18:47:34,544 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 134 transitions, 527 flow [2023-08-29 18:47:34,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 589.8) internal successors, (2949), 5 states have internal predecessors, (2949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:47:34,545 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:47:34,545 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:47:34,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-29 18:47:34,545 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-08-29 18:47:34,545 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:47:34,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1797096389, now seen corresponding path program 1 times [2023-08-29 18:47:34,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:47:34,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049177666] [2023-08-29 18:47:34,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:47:34,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:47:34,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:47:34,643 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 18:47:34,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:47:34,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049177666] [2023-08-29 18:47:34,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049177666] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:47:34,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:47:34,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 18:47:34,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88872883] [2023-08-29 18:47:34,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:47:34,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 18:47:34,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:47:34,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 18:47:34,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-08-29 18:47:34,931 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 1319 [2023-08-29 18:47:34,933 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 134 transitions, 527 flow. Second operand has 6 states, 6 states have (on average 581.5) internal successors, (3489), 6 states have internal predecessors, (3489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:47:34,933 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:47:34,933 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 1319 [2023-08-29 18:47:34,933 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:47:47,934 INFO L130 PetriNetUnfolder]: 87483/163518 cut-off events. [2023-08-29 18:47:47,934 INFO L131 PetriNetUnfolder]: For 125156/125584 co-relation queries the response was YES. [2023-08-29 18:47:48,805 INFO L83 FinitePrefix]: Finished finitePrefix Result has 379576 conditions, 163518 events. 87483/163518 cut-off events. For 125156/125584 co-relation queries the response was YES. Maximal size of possible extension queue 2488. Compared 1656474 event pairs, 40082 based on Foata normal form. 1090/157360 useless extension candidates. Maximal degree in co-relation 379554. Up to 44643 conditions per place. [2023-08-29 18:47:49,506 INFO L137 encePairwiseOnDemand]: 1310/1319 looper letters, 274 selfloop transitions, 20 changer transitions 0/347 dead transitions. [2023-08-29 18:47:49,506 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 347 transitions, 1982 flow [2023-08-29 18:47:49,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-29 18:47:49,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-29 18:47:49,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 4856 transitions. [2023-08-29 18:47:49,512 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46019711902956784 [2023-08-29 18:47:49,512 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 4856 transitions. [2023-08-29 18:47:49,512 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 4856 transitions. [2023-08-29 18:47:49,513 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:47:49,513 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 4856 transitions. [2023-08-29 18:47:49,516 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 607.0) internal successors, (4856), 8 states have internal predecessors, (4856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:47:49,523 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 1319.0) internal successors, (11871), 9 states have internal predecessors, (11871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:47:49,524 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 1319.0) internal successors, (11871), 9 states have internal predecessors, (11871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:47:49,525 INFO L175 Difference]: Start difference. First operand has 142 places, 134 transitions, 527 flow. Second operand 8 states and 4856 transitions. [2023-08-29 18:47:49,525 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 347 transitions, 1982 flow [2023-08-29 18:47:49,945 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 347 transitions, 1972 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-29 18:47:49,947 INFO L231 Difference]: Finished difference. Result has 149 places, 143 transitions, 630 flow [2023-08-29 18:47:49,947 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1319, PETRI_DIFFERENCE_MINUEND_FLOW=517, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=630, PETRI_PLACES=149, PETRI_TRANSITIONS=143} [2023-08-29 18:47:49,947 INFO L281 CegarLoopForPetriNet]: 176 programPoint places, -27 predicate places. [2023-08-29 18:47:49,947 INFO L495 AbstractCegarLoop]: Abstraction has has 149 places, 143 transitions, 630 flow [2023-08-29 18:47:49,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 581.5) internal successors, (3489), 6 states have internal predecessors, (3489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:47:49,948 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:47:49,948 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:47:49,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-08-29 18:47:49,948 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-08-29 18:47:49,948 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:47:49,949 INFO L85 PathProgramCache]: Analyzing trace with hash -341722831, now seen corresponding path program 1 times [2023-08-29 18:47:49,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:47:49,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94392653] [2023-08-29 18:47:49,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:47:49,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:47:49,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:47:50,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:47:50,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:47:50,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94392653] [2023-08-29 18:47:50,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94392653] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:47:50,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:47:50,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 18:47:50,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350648330] [2023-08-29 18:47:50,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:47:50,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-29 18:47:50,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:47:50,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-29 18:47:50,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-29 18:47:50,214 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 588 out of 1319 [2023-08-29 18:47:50,215 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 143 transitions, 630 flow. Second operand has 4 states, 4 states have (on average 591.75) internal successors, (2367), 4 states have internal predecessors, (2367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:47:50,215 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:47:50,215 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 588 of 1319 [2023-08-29 18:47:50,215 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:48:02,283 INFO L130 PetriNetUnfolder]: 72712/139317 cut-off events. [2023-08-29 18:48:02,283 INFO L131 PetriNetUnfolder]: For 139602/139944 co-relation queries the response was YES. [2023-08-29 18:48:03,120 INFO L83 FinitePrefix]: Finished finitePrefix Result has 335086 conditions, 139317 events. 72712/139317 cut-off events. For 139602/139944 co-relation queries the response was YES. Maximal size of possible extension queue 2206. Compared 1411503 event pairs, 58211 based on Foata normal form. 450/133096 useless extension candidates. Maximal degree in co-relation 335061. Up to 94343 conditions per place. [2023-08-29 18:48:03,528 INFO L137 encePairwiseOnDemand]: 1312/1319 looper letters, 151 selfloop transitions, 7 changer transitions 0/211 dead transitions. [2023-08-29 18:48:03,528 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 211 transitions, 1264 flow [2023-08-29 18:48:03,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-29 18:48:03,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-29 18:48:03,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 3056 transitions. [2023-08-29 18:48:03,533 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46338134950720244 [2023-08-29 18:48:03,534 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 3056 transitions. [2023-08-29 18:48:03,534 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 3056 transitions. [2023-08-29 18:48:03,534 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:48:03,535 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 3056 transitions. [2023-08-29 18:48:03,537 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 611.2) internal successors, (3056), 5 states have internal predecessors, (3056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:48:03,541 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 1319.0) internal successors, (7914), 6 states have internal predecessors, (7914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:48:03,542 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 1319.0) internal successors, (7914), 6 states have internal predecessors, (7914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:48:03,542 INFO L175 Difference]: Start difference. First operand has 149 places, 143 transitions, 630 flow. Second operand 5 states and 3056 transitions. [2023-08-29 18:48:03,542 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 211 transitions, 1264 flow [2023-08-29 18:48:03,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 211 transitions, 1256 flow, removed 4 selfloop flow, removed 0 redundant places. [2023-08-29 18:48:03,919 INFO L231 Difference]: Finished difference. Result has 155 places, 143 transitions, 649 flow [2023-08-29 18:48:03,919 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1319, PETRI_DIFFERENCE_MINUEND_FLOW=622, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=649, PETRI_PLACES=155, PETRI_TRANSITIONS=143} [2023-08-29 18:48:03,920 INFO L281 CegarLoopForPetriNet]: 176 programPoint places, -21 predicate places. [2023-08-29 18:48:03,920 INFO L495 AbstractCegarLoop]: Abstraction has has 155 places, 143 transitions, 649 flow [2023-08-29 18:48:03,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 591.75) internal successors, (2367), 4 states have internal predecessors, (2367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:48:03,920 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:48:03,921 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:48:03,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-08-29 18:48:03,921 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-08-29 18:48:03,921 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:48:03,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1937046092, now seen corresponding path program 1 times [2023-08-29 18:48:03,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:48:03,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785004739] [2023-08-29 18:48:03,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:48:03,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:48:03,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:48:04,302 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 18:48:04,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:48:04,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785004739] [2023-08-29 18:48:04,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785004739] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:48:04,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:48:04,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 18:48:04,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359787591] [2023-08-29 18:48:04,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:48:04,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 18:48:04,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:48:04,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 18:48:04,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-08-29 18:48:04,548 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 1319 [2023-08-29 18:48:04,549 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 143 transitions, 649 flow. Second operand has 6 states, 6 states have (on average 581.6666666666666) internal successors, (3490), 6 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) [2023-08-29 18:48:04,549 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:48:04,549 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 1319 [2023-08-29 18:48:04,549 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:48:20,830 INFO L130 PetriNetUnfolder]: 96770/179200 cut-off events. [2023-08-29 18:48:20,830 INFO L131 PetriNetUnfolder]: For 174955/174966 co-relation queries the response was YES. [2023-08-29 18:48:22,013 INFO L83 FinitePrefix]: Finished finitePrefix Result has 433273 conditions, 179200 events. 96770/179200 cut-off events. For 174955/174966 co-relation queries the response was YES. Maximal size of possible extension queue 2572. Compared 1787113 event pairs, 39613 based on Foata normal form. 462/171698 useless extension candidates. Maximal degree in co-relation 433245. Up to 56748 conditions per place. [2023-08-29 18:48:22,552 INFO L137 encePairwiseOnDemand]: 1310/1319 looper letters, 243 selfloop transitions, 16 changer transitions 0/312 dead transitions. [2023-08-29 18:48:22,552 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 312 transitions, 1969 flow [2023-08-29 18:48:22,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-29 18:48:22,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-29 18:48:22,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 4235 transitions. [2023-08-29 18:48:22,557 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4586808188021228 [2023-08-29 18:48:22,557 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 4235 transitions. [2023-08-29 18:48:22,557 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 4235 transitions. [2023-08-29 18:48:22,558 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:48:22,559 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 4235 transitions. [2023-08-29 18:48:22,563 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 605.0) internal successors, (4235), 7 states have internal predecessors, (4235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:48:22,567 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 1319.0) internal successors, (10552), 8 states have internal predecessors, (10552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:48:22,568 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 1319.0) internal successors, (10552), 8 states have internal predecessors, (10552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:48:22,568 INFO L175 Difference]: Start difference. First operand has 155 places, 143 transitions, 649 flow. Second operand 7 states and 4235 transitions. [2023-08-29 18:48:22,568 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 312 transitions, 1969 flow [2023-08-29 18:48:23,245 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 312 transitions, 1955 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 18:48:23,247 INFO L231 Difference]: Finished difference. Result has 160 places, 150 transitions, 725 flow [2023-08-29 18:48:23,248 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1319, PETRI_DIFFERENCE_MINUEND_FLOW=635, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=725, PETRI_PLACES=160, PETRI_TRANSITIONS=150} [2023-08-29 18:48:23,248 INFO L281 CegarLoopForPetriNet]: 176 programPoint places, -16 predicate places. [2023-08-29 18:48:23,248 INFO L495 AbstractCegarLoop]: Abstraction has has 160 places, 150 transitions, 725 flow [2023-08-29 18:48:23,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 581.6666666666666) internal successors, (3490), 6 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) [2023-08-29 18:48:23,249 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:48:23,249 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:48:23,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-08-29 18:48:23,249 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-08-29 18:48:23,250 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:48:23,250 INFO L85 PathProgramCache]: Analyzing trace with hash 2067393749, now seen corresponding path program 1 times [2023-08-29 18:48:23,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:48:23,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723824728] [2023-08-29 18:48:23,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:48:23,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:48:23,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:48:23,513 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 18:48:23,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:48:23,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723824728] [2023-08-29 18:48:23,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723824728] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:48:23,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:48:23,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 18:48:23,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114708123] [2023-08-29 18:48:23,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:48:23,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 18:48:23,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:48:23,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 18:48:23,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 18:48:24,204 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 575 out of 1319 [2023-08-29 18:48:24,206 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 150 transitions, 725 flow. Second operand has 6 states, 6 states have (on average 578.5) internal successors, (3471), 6 states have internal predecessors, (3471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:48:24,206 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:48:24,206 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 575 of 1319 [2023-08-29 18:48:24,206 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:48:46,665 INFO L130 PetriNetUnfolder]: 130747/230146 cut-off events. [2023-08-29 18:48:46,666 INFO L131 PetriNetUnfolder]: For 272122/272494 co-relation queries the response was YES. [2023-08-29 18:48:48,669 INFO L83 FinitePrefix]: Finished finitePrefix Result has 591095 conditions, 230146 events. 130747/230146 cut-off events. For 272122/272494 co-relation queries the response was YES. Maximal size of possible extension queue 3082. Compared 2236419 event pairs, 65812 based on Foata normal form. 22/223967 useless extension candidates. Maximal degree in co-relation 591064. Up to 111606 conditions per place. [2023-08-29 18:48:49,455 INFO L137 encePairwiseOnDemand]: 1313/1319 looper letters, 250 selfloop transitions, 6 changer transitions 0/303 dead transitions. [2023-08-29 18:48:49,455 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 303 transitions, 1952 flow [2023-08-29 18:48:49,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 18:48:49,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 18:48:49,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3623 transitions. [2023-08-29 18:48:49,460 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45779631033611323 [2023-08-29 18:48:49,460 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3623 transitions. [2023-08-29 18:48:49,460 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3623 transitions. [2023-08-29 18:48:49,461 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:48:49,461 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3623 transitions. [2023-08-29 18:48:49,465 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 603.8333333333334) internal successors, (3623), 6 states have internal predecessors, (3623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:48:49,469 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1319.0) internal successors, (9233), 7 states have internal predecessors, (9233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:48:49,469 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1319.0) internal successors, (9233), 7 states have internal predecessors, (9233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:48:49,470 INFO L175 Difference]: Start difference. First operand has 160 places, 150 transitions, 725 flow. Second operand 6 states and 3623 transitions. [2023-08-29 18:48:49,470 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 303 transitions, 1952 flow [2023-08-29 18:48:50,602 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 303 transitions, 1944 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 18:48:50,604 INFO L231 Difference]: Finished difference. Result has 163 places, 149 transitions, 727 flow [2023-08-29 18:48:50,604 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1319, PETRI_DIFFERENCE_MINUEND_FLOW=715, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=727, PETRI_PLACES=163, PETRI_TRANSITIONS=149} [2023-08-29 18:48:50,605 INFO L281 CegarLoopForPetriNet]: 176 programPoint places, -13 predicate places. [2023-08-29 18:48:50,605 INFO L495 AbstractCegarLoop]: Abstraction has has 163 places, 149 transitions, 727 flow [2023-08-29 18:48:50,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 578.5) internal successors, (3471), 6 states have internal predecessors, (3471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:48:50,606 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:48:50,606 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:48:50,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-08-29 18:48:50,606 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-08-29 18:48:50,606 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:48:50,607 INFO L85 PathProgramCache]: Analyzing trace with hash 234830002, now seen corresponding path program 1 times [2023-08-29 18:48:50,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:48:50,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946823548] [2023-08-29 18:48:50,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:48:50,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:48:50,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:48:50,876 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 18:48:50,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:48:50,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946823548] [2023-08-29 18:48:50,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946823548] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:48:50,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:48:50,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 18:48:50,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844671427] [2023-08-29 18:48:50,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:48:50,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 18:48:50,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:48:50,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 18:48:50,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 18:48:51,631 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 575 out of 1319 [2023-08-29 18:48:51,633 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 149 transitions, 727 flow. Second operand has 6 states, 6 states have (on average 578.6666666666666) internal successors, (3472), 6 states have internal predecessors, (3472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:48:51,633 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:48:51,633 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 575 of 1319 [2023-08-29 18:48:51,633 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:49:17,462 INFO L130 PetriNetUnfolder]: 139525/242938 cut-off events. [2023-08-29 18:49:17,462 INFO L131 PetriNetUnfolder]: For 298417/298579 co-relation queries the response was YES. [2023-08-29 18:49:19,836 INFO L83 FinitePrefix]: Finished finitePrefix Result has 634521 conditions, 242938 events. 139525/242938 cut-off events. For 298417/298579 co-relation queries the response was YES. Maximal size of possible extension queue 3310. Compared 2363364 event pairs, 68168 based on Foata normal form. 4/238792 useless extension candidates. Maximal degree in co-relation 634489. Up to 113962 conditions per place. [2023-08-29 18:49:20,892 INFO L137 encePairwiseOnDemand]: 1313/1319 looper letters, 268 selfloop transitions, 6 changer transitions 0/320 dead transitions. [2023-08-29 18:49:20,893 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 320 transitions, 2137 flow [2023-08-29 18:49:20,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 18:49:20,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 18:49:20,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3625 transitions. [2023-08-29 18:49:20,898 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4580490270406874 [2023-08-29 18:49:20,899 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3625 transitions. [2023-08-29 18:49:20,899 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3625 transitions. [2023-08-29 18:49:20,923 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:49:20,923 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3625 transitions. [2023-08-29 18:49:20,927 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 604.1666666666666) internal successors, (3625), 6 states have internal predecessors, (3625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:49:20,931 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1319.0) internal successors, (9233), 7 states have internal predecessors, (9233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:49:20,932 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1319.0) internal successors, (9233), 7 states have internal predecessors, (9233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:49:20,932 INFO L175 Difference]: Start difference. First operand has 163 places, 149 transitions, 727 flow. Second operand 6 states and 3625 transitions. [2023-08-29 18:49:20,932 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 320 transitions, 2137 flow [2023-08-29 18:49:22,926 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 320 transitions, 2109 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 18:49:22,929 INFO L231 Difference]: Finished difference. Result has 162 places, 148 transitions, 725 flow [2023-08-29 18:49:22,929 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1319, PETRI_DIFFERENCE_MINUEND_FLOW=713, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=725, PETRI_PLACES=162, PETRI_TRANSITIONS=148} [2023-08-29 18:49:22,930 INFO L281 CegarLoopForPetriNet]: 176 programPoint places, -14 predicate places. [2023-08-29 18:49:22,930 INFO L495 AbstractCegarLoop]: Abstraction has has 162 places, 148 transitions, 725 flow [2023-08-29 18:49:22,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 578.6666666666666) internal successors, (3472), 6 states have internal predecessors, (3472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:49:22,931 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:49:22,931 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:49:22,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-08-29 18:49:22,932 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-08-29 18:49:22,932 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:49:22,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1257075245, now seen corresponding path program 1 times [2023-08-29 18:49:22,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:49:22,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887250006] [2023-08-29 18:49:22,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:49:22,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:49:22,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:49:23,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:49:23,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:49:23,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887250006] [2023-08-29 18:49:23,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887250006] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:49:23,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:49:23,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 18:49:23,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407296479] [2023-08-29 18:49:23,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:49:23,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 18:49:23,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:49:23,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 18:49:23,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 18:49:23,973 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 582 out of 1319 [2023-08-29 18:49:23,974 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 148 transitions, 725 flow. Second operand has 6 states, 6 states have (on average 585.1666666666666) internal successors, (3511), 6 states have internal predecessors, (3511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:49:23,974 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:49:23,974 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 582 of 1319 [2023-08-29 18:49:23,975 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:49:44,843 INFO L130 PetriNetUnfolder]: 116185/203631 cut-off events. [2023-08-29 18:49:44,843 INFO L131 PetriNetUnfolder]: For 258700/258780 co-relation queries the response was YES. [2023-08-29 18:49:46,535 INFO L83 FinitePrefix]: Finished finitePrefix Result has 544343 conditions, 203631 events. 116185/203631 cut-off events. For 258700/258780 co-relation queries the response was YES. Maximal size of possible extension queue 2955. Compared 1955433 event pairs, 77585 based on Foata normal form. 0/199457 useless extension candidates. Maximal degree in co-relation 544311. Up to 130094 conditions per place. [2023-08-29 18:49:47,264 INFO L137 encePairwiseOnDemand]: 1314/1319 looper letters, 277 selfloop transitions, 4 changer transitions 0/327 dead transitions. [2023-08-29 18:49:47,264 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 327 transitions, 2297 flow [2023-08-29 18:49:47,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 18:49:47,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 18:49:47,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3650 transitions. [2023-08-29 18:49:47,268 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46120798584786454 [2023-08-29 18:49:47,268 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3650 transitions. [2023-08-29 18:49:47,268 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3650 transitions. [2023-08-29 18:49:47,269 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:49:47,269 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3650 transitions. [2023-08-29 18:49:47,272 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 608.3333333333334) internal successors, (3650), 6 states have internal predecessors, (3650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:49:47,277 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1319.0) internal successors, (9233), 7 states have internal predecessors, (9233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:49:47,278 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1319.0) internal successors, (9233), 7 states have internal predecessors, (9233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:49:47,278 INFO L175 Difference]: Start difference. First operand has 162 places, 148 transitions, 725 flow. Second operand 6 states and 3650 transitions. [2023-08-29 18:49:47,278 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 327 transitions, 2297 flow [2023-08-29 18:49:48,595 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 327 transitions, 2269 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 18:49:48,597 INFO L231 Difference]: Finished difference. Result has 161 places, 147 transitions, 719 flow [2023-08-29 18:49:48,597 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1319, PETRI_DIFFERENCE_MINUEND_FLOW=711, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=719, PETRI_PLACES=161, PETRI_TRANSITIONS=147} [2023-08-29 18:49:48,598 INFO L281 CegarLoopForPetriNet]: 176 programPoint places, -15 predicate places. [2023-08-29 18:49:48,598 INFO L495 AbstractCegarLoop]: Abstraction has has 161 places, 147 transitions, 719 flow [2023-08-29 18:49:48,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 585.1666666666666) internal successors, (3511), 6 states have internal predecessors, (3511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:49:48,598 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:49:48,598 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:49:48,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-08-29 18:49:48,599 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-08-29 18:49:48,599 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:49:48,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1804416745, now seen corresponding path program 1 times [2023-08-29 18:49:48,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:49:48,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832722539] [2023-08-29 18:49:48,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:49:48,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:49:48,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:49:48,636 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 18:49:48,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:49:48,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832722539] [2023-08-29 18:49:48,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832722539] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:49:48,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:49:48,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:49:48,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849610505] [2023-08-29 18:49:48,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:49:48,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:49:48,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:49:48,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:49:48,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:49:48,650 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 590 out of 1319 [2023-08-29 18:49:48,651 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 147 transitions, 719 flow. Second operand has 3 states, 3 states have (on average 596.0) internal successors, (1788), 3 states have internal predecessors, (1788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:49:48,651 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:49:48,651 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 590 of 1319 [2023-08-29 18:49:48,651 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:50:07,695 INFO L130 PetriNetUnfolder]: 111233/197761 cut-off events. [2023-08-29 18:50:07,695 INFO L131 PetriNetUnfolder]: For 235223/235303 co-relation queries the response was YES. [2023-08-29 18:50:09,274 INFO L83 FinitePrefix]: Finished finitePrefix Result has 514118 conditions, 197761 events. 111233/197761 cut-off events. For 235223/235303 co-relation queries the response was YES. Maximal size of possible extension queue 2829. Compared 1895197 event pairs, 33760 based on Foata normal form. 0/195498 useless extension candidates. Maximal degree in co-relation 514086. Up to 116710 conditions per place. [2023-08-29 18:50:10,207 INFO L137 encePairwiseOnDemand]: 1315/1319 looper letters, 148 selfloop transitions, 2 changer transitions 0/196 dead transitions. [2023-08-29 18:50:10,207 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 196 transitions, 1272 flow [2023-08-29 18:50:10,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:50:10,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:50:10,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1864 transitions. [2023-08-29 18:50:10,210 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4710639373262573 [2023-08-29 18:50:10,210 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1864 transitions. [2023-08-29 18:50:10,210 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1864 transitions. [2023-08-29 18:50:10,211 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:50:10,211 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1864 transitions. [2023-08-29 18:50:10,212 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 621.3333333333334) internal successors, (1864), 3 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:10,215 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1319.0) internal successors, (5276), 4 states have internal predecessors, (5276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:10,215 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1319.0) internal successors, (5276), 4 states have internal predecessors, (5276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:10,215 INFO L175 Difference]: Start difference. First operand has 161 places, 147 transitions, 719 flow. Second operand 3 states and 1864 transitions. [2023-08-29 18:50:10,216 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 196 transitions, 1272 flow [2023-08-29 18:50:11,313 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 196 transitions, 1263 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 18:50:11,314 INFO L231 Difference]: Finished difference. Result has 158 places, 147 transitions, 722 flow [2023-08-29 18:50:11,315 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1319, PETRI_DIFFERENCE_MINUEND_FLOW=708, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=722, PETRI_PLACES=158, PETRI_TRANSITIONS=147} [2023-08-29 18:50:11,315 INFO L281 CegarLoopForPetriNet]: 176 programPoint places, -18 predicate places. [2023-08-29 18:50:11,315 INFO L495 AbstractCegarLoop]: Abstraction has has 158 places, 147 transitions, 722 flow [2023-08-29 18:50:11,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 596.0) internal successors, (1788), 3 states have internal predecessors, (1788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:11,316 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:50:11,316 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:50:11,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-08-29 18:50:11,316 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-08-29 18:50:11,316 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:50:11,316 INFO L85 PathProgramCache]: Analyzing trace with hash -848058455, now seen corresponding path program 1 times [2023-08-29 18:50:11,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:50:11,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267535151] [2023-08-29 18:50:11,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:50:11,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:50:11,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:50:11,589 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 18:50:11,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:50:11,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267535151] [2023-08-29 18:50:11,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267535151] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:50:11,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:50:11,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 18:50:11,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708294803] [2023-08-29 18:50:11,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:50:11,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 18:50:11,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:50:11,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 18:50:11,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 18:50:12,174 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 575 out of 1319 [2023-08-29 18:50:12,175 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 147 transitions, 722 flow. Second operand has 6 states, 6 states have (on average 578.1666666666666) internal successors, (3469), 6 states have internal predecessors, (3469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:12,175 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:50:12,176 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 575 of 1319 [2023-08-29 18:50:12,176 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:50:38,077 INFO L130 PetriNetUnfolder]: 136095/232678 cut-off events. [2023-08-29 18:50:38,078 INFO L131 PetriNetUnfolder]: For 269448/269580 co-relation queries the response was YES. [2023-08-29 18:50:39,987 INFO L83 FinitePrefix]: Finished finitePrefix Result has 610395 conditions, 232678 events. 136095/232678 cut-off events. For 269448/269580 co-relation queries the response was YES. Maximal size of possible extension queue 2818. Compared 2161584 event pairs, 76607 based on Foata normal form. 0/228090 useless extension candidates. Maximal degree in co-relation 610363. Up to 128747 conditions per place. [2023-08-29 18:50:40,787 INFO L137 encePairwiseOnDemand]: 1313/1319 looper letters, 283 selfloop transitions, 6 changer transitions 0/334 dead transitions. [2023-08-29 18:50:40,787 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 334 transitions, 2208 flow [2023-08-29 18:50:40,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 18:50:40,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 18:50:40,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3632 transitions. [2023-08-29 18:50:40,791 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45893353550669697 [2023-08-29 18:50:40,792 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3632 transitions. [2023-08-29 18:50:40,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3632 transitions. [2023-08-29 18:50:40,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:50:40,792 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3632 transitions. [2023-08-29 18:50:40,796 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 605.3333333333334) internal successors, (3632), 6 states have internal predecessors, (3632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:40,800 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1319.0) internal successors, (9233), 7 states have internal predecessors, (9233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:40,801 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1319.0) internal successors, (9233), 7 states have internal predecessors, (9233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:40,801 INFO L175 Difference]: Start difference. First operand has 158 places, 147 transitions, 722 flow. Second operand 6 states and 3632 transitions. [2023-08-29 18:50:40,802 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 334 transitions, 2208 flow [2023-08-29 18:50:42,215 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 334 transitions, 2208 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:50:42,217 INFO L231 Difference]: Finished difference. Result has 162 places, 146 transitions, 732 flow [2023-08-29 18:50:42,217 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1319, PETRI_DIFFERENCE_MINUEND_FLOW=720, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=732, PETRI_PLACES=162, PETRI_TRANSITIONS=146} [2023-08-29 18:50:42,218 INFO L281 CegarLoopForPetriNet]: 176 programPoint places, -14 predicate places. [2023-08-29 18:50:42,218 INFO L495 AbstractCegarLoop]: Abstraction has has 162 places, 146 transitions, 732 flow [2023-08-29 18:50:42,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 578.1666666666666) internal successors, (3469), 6 states have internal predecessors, (3469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:42,219 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:50:42,219 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:50:42,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-08-29 18:50:42,219 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-08-29 18:50:42,219 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:50:42,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1537195266, now seen corresponding path program 1 times [2023-08-29 18:50:42,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:50:42,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679805951] [2023-08-29 18:50:42,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:50:42,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:50:42,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:50:42,633 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 18:50:42,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:50:42,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679805951] [2023-08-29 18:50:42,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679805951] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:50:42,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:50:42,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 18:50:42,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522937032] [2023-08-29 18:50:42,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:50:42,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 18:50:42,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:50:42,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 18:50:42,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 18:50:43,154 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 575 out of 1319 [2023-08-29 18:50:43,155 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 146 transitions, 732 flow. Second operand has 6 states, 6 states have (on average 578.8333333333334) internal successors, (3473), 6 states have internal predecessors, (3473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:43,155 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:50:43,155 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 575 of 1319 [2023-08-29 18:50:43,156 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:51:07,647 INFO L130 PetriNetUnfolder]: 136349/230871 cut-off events. [2023-08-29 18:51:07,648 INFO L131 PetriNetUnfolder]: For 277944/278076 co-relation queries the response was YES. [2023-08-29 18:51:09,538 INFO L83 FinitePrefix]: Finished finitePrefix Result has 619044 conditions, 230871 events. 136349/230871 cut-off events. For 277944/278076 co-relation queries the response was YES. Maximal size of possible extension queue 3003. Compared 2148010 event pairs, 85969 based on Foata normal form. 0/226313 useless extension candidates. Maximal degree in co-relation 619011. Up to 142381 conditions per place. [2023-08-29 18:51:10,483 INFO L137 encePairwiseOnDemand]: 1313/1319 looper letters, 249 selfloop transitions, 6 changer transitions 0/299 dead transitions. [2023-08-29 18:51:10,483 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 299 transitions, 1973 flow [2023-08-29 18:51:10,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 18:51:10,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 18:51:10,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3622 transitions. [2023-08-29 18:51:10,485 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45766995198382615 [2023-08-29 18:51:10,485 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3622 transitions. [2023-08-29 18:51:10,485 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3622 transitions. [2023-08-29 18:51:10,486 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:51:10,486 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3622 transitions. [2023-08-29 18:51:10,488 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 603.6666666666666) internal successors, (3622), 6 states have internal predecessors, (3622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:10,491 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1319.0) internal successors, (9233), 7 states have internal predecessors, (9233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:10,491 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1319.0) internal successors, (9233), 7 states have internal predecessors, (9233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:10,491 INFO L175 Difference]: Start difference. First operand has 162 places, 146 transitions, 732 flow. Second operand 6 states and 3622 transitions. [2023-08-29 18:51:10,492 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 299 transitions, 1973 flow [2023-08-29 18:51:11,794 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 299 transitions, 1945 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 18:51:11,796 INFO L231 Difference]: Finished difference. Result has 161 places, 145 transitions, 730 flow [2023-08-29 18:51:11,796 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1319, PETRI_DIFFERENCE_MINUEND_FLOW=718, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=730, PETRI_PLACES=161, PETRI_TRANSITIONS=145} [2023-08-29 18:51:11,796 INFO L281 CegarLoopForPetriNet]: 176 programPoint places, -15 predicate places. [2023-08-29 18:51:11,796 INFO L495 AbstractCegarLoop]: Abstraction has has 161 places, 145 transitions, 730 flow [2023-08-29 18:51:11,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 578.8333333333334) internal successors, (3473), 6 states have internal predecessors, (3473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:11,797 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:51:11,797 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:51:11,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-08-29 18:51:11,797 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting thread3Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-08-29 18:51:11,797 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:51:11,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1273663125, now seen corresponding path program 1 times [2023-08-29 18:51:11,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:51:11,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774866093] [2023-08-29 18:51:11,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:51:11,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:51:11,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:51:12,109 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 18:51:12,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:51:12,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774866093] [2023-08-29 18:51:12,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774866093] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:51:12,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:51:12,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 18:51:12,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841051371] [2023-08-29 18:51:12,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:51:12,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 18:51:12,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:51:12,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 18:51:12,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 18:51:12,678 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 575 out of 1319 [2023-08-29 18:51:12,679 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 145 transitions, 730 flow. Second operand has 6 states, 6 states have (on average 578.8333333333334) internal successors, (3473), 6 states have internal predecessors, (3473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:12,680 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:51:12,680 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 575 of 1319 [2023-08-29 18:51:12,680 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:51:34,977 INFO L130 PetriNetUnfolder]: 127318/211995 cut-off events. [2023-08-29 18:51:34,978 INFO L131 PetriNetUnfolder]: For 266406/266544 co-relation queries the response was YES. [2023-08-29 18:51:36,735 INFO L83 FinitePrefix]: Finished finitePrefix Result has 580314 conditions, 211995 events. 127318/211995 cut-off events. For 266406/266544 co-relation queries the response was YES. Maximal size of possible extension queue 2802. Compared 1908592 event pairs, 75336 based on Foata normal form. 4/208596 useless extension candidates. Maximal degree in co-relation 580281. Up to 125668 conditions per place. [2023-08-29 18:51:37,432 INFO L137 encePairwiseOnDemand]: 1313/1319 looper letters, 266 selfloop transitions, 6 changer transitions 0/316 dead transitions. [2023-08-29 18:51:37,432 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 316 transitions, 2136 flow [2023-08-29 18:51:37,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 18:51:37,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 18:51:37,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3623 transitions. [2023-08-29 18:51:37,434 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45779631033611323 [2023-08-29 18:51:37,434 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3623 transitions. [2023-08-29 18:51:37,434 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3623 transitions. [2023-08-29 18:51:37,435 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:51:37,435 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3623 transitions. [2023-08-29 18:51:37,437 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 603.8333333333334) internal successors, (3623), 6 states have internal predecessors, (3623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:37,441 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1319.0) internal successors, (9233), 7 states have internal predecessors, (9233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:37,442 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1319.0) internal successors, (9233), 7 states have internal predecessors, (9233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:37,442 INFO L175 Difference]: Start difference. First operand has 161 places, 145 transitions, 730 flow. Second operand 6 states and 3623 transitions. [2023-08-29 18:51:37,442 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 316 transitions, 2136 flow [2023-08-29 18:51:38,756 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 316 transitions, 2108 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 18:51:38,758 INFO L231 Difference]: Finished difference. Result has 160 places, 144 transitions, 728 flow [2023-08-29 18:51:38,758 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1319, PETRI_DIFFERENCE_MINUEND_FLOW=716, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=728, PETRI_PLACES=160, PETRI_TRANSITIONS=144} [2023-08-29 18:51:38,759 INFO L281 CegarLoopForPetriNet]: 176 programPoint places, -16 predicate places. [2023-08-29 18:51:38,759 INFO L495 AbstractCegarLoop]: Abstraction has has 160 places, 144 transitions, 728 flow [2023-08-29 18:51:38,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 578.8333333333334) internal successors, (3473), 6 states have internal predecessors, (3473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:38,759 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:51:38,759 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:51:38,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-08-29 18:51:38,760 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-08-29 18:51:38,760 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:51:38,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1480906388, now seen corresponding path program 1 times [2023-08-29 18:51:38,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:51:38,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101055613] [2023-08-29 18:51:38,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:51:38,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:51:38,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:51:39,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:51:39,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:51:39,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101055613] [2023-08-29 18:51:39,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101055613] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:51:39,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:51:39,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 18:51:39,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110263439] [2023-08-29 18:51:39,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:51:39,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 18:51:39,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:51:39,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 18:51:39,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 18:51:39,592 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 582 out of 1319 [2023-08-29 18:51:39,594 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 144 transitions, 728 flow. Second operand has 6 states, 6 states have (on average 586.0) internal successors, (3516), 6 states have internal predecessors, (3516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:39,594 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:51:39,594 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 582 of 1319 [2023-08-29 18:51:39,594 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:52:01,586 INFO L130 PetriNetUnfolder]: 103061/183232 cut-off events. [2023-08-29 18:52:01,586 INFO L131 PetriNetUnfolder]: For 224935/225071 co-relation queries the response was YES. [2023-08-29 18:52:03,256 INFO L83 FinitePrefix]: Finished finitePrefix Result has 496023 conditions, 183232 events. 103061/183232 cut-off events. For 224935/225071 co-relation queries the response was YES. Maximal size of possible extension queue 2638. Compared 1752115 event pairs, 83410 based on Foata normal form. 0/179109 useless extension candidates. Maximal degree in co-relation 495990. Up to 139903 conditions per place. [2023-08-29 18:52:03,375 INFO L137 encePairwiseOnDemand]: 1314/1319 looper letters, 0 selfloop transitions, 0 changer transitions 227/227 dead transitions. [2023-08-29 18:52:03,375 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 227 transitions, 1560 flow [2023-08-29 18:52:03,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 18:52:03,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 18:52:03,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3598 transitions. [2023-08-29 18:52:03,377 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4546373515289361 [2023-08-29 18:52:03,378 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3598 transitions. [2023-08-29 18:52:03,378 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3598 transitions. [2023-08-29 18:52:03,644 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:52:03,645 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3598 transitions. [2023-08-29 18:52:03,647 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 599.6666666666666) internal successors, (3598), 6 states have internal predecessors, (3598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:03,664 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1319.0) internal successors, (9233), 7 states have internal predecessors, (9233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:03,665 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1319.0) internal successors, (9233), 7 states have internal predecessors, (9233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:03,666 INFO L175 Difference]: Start difference. First operand has 160 places, 144 transitions, 728 flow. Second operand 6 states and 3598 transitions. [2023-08-29 18:52:03,666 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 227 transitions, 1560 flow [2023-08-29 18:52:04,937 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 227 transitions, 1524 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 18:52:04,939 INFO L231 Difference]: Finished difference. Result has 159 places, 0 transitions, 0 flow [2023-08-29 18:52:04,939 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1319, PETRI_DIFFERENCE_MINUEND_FLOW=714, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=159, PETRI_TRANSITIONS=0} [2023-08-29 18:52:04,939 INFO L281 CegarLoopForPetriNet]: 176 programPoint places, -17 predicate places. [2023-08-29 18:52:04,939 INFO L495 AbstractCegarLoop]: Abstraction has has 159 places, 0 transitions, 0 flow [2023-08-29 18:52:04,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 586.0) internal successors, (3516), 6 states have internal predecessors, (3516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:04,942 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (119 of 120 remaining) [2023-08-29 18:52:04,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (118 of 120 remaining) [2023-08-29 18:52:04,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (117 of 120 remaining) [2023-08-29 18:52:04,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (116 of 120 remaining) [2023-08-29 18:52:04,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (115 of 120 remaining) [2023-08-29 18:52:04,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (114 of 120 remaining) [2023-08-29 18:52:04,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (113 of 120 remaining) [2023-08-29 18:52:04,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (112 of 120 remaining) [2023-08-29 18:52:04,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (111 of 120 remaining) [2023-08-29 18:52:04,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (110 of 120 remaining) [2023-08-29 18:52:04,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (109 of 120 remaining) [2023-08-29 18:52:04,945 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (108 of 120 remaining) [2023-08-29 18:52:04,945 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (107 of 120 remaining) [2023-08-29 18:52:04,945 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (106 of 120 remaining) [2023-08-29 18:52:04,945 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (105 of 120 remaining) [2023-08-29 18:52:04,945 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (104 of 120 remaining) [2023-08-29 18:52:04,946 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (103 of 120 remaining) [2023-08-29 18:52:04,946 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (102 of 120 remaining) [2023-08-29 18:52:04,946 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (101 of 120 remaining) [2023-08-29 18:52:04,946 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (100 of 120 remaining) [2023-08-29 18:52:04,947 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (99 of 120 remaining) [2023-08-29 18:52:04,947 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (98 of 120 remaining) [2023-08-29 18:52:04,947 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (97 of 120 remaining) [2023-08-29 18:52:04,947 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (96 of 120 remaining) [2023-08-29 18:52:04,947 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (95 of 120 remaining) [2023-08-29 18:52:04,947 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (94 of 120 remaining) [2023-08-29 18:52:04,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (93 of 120 remaining) [2023-08-29 18:52:04,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (92 of 120 remaining) [2023-08-29 18:52:04,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (91 of 120 remaining) [2023-08-29 18:52:04,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (90 of 120 remaining) [2023-08-29 18:52:04,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (89 of 120 remaining) [2023-08-29 18:52:04,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (88 of 120 remaining) [2023-08-29 18:52:04,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (87 of 120 remaining) [2023-08-29 18:52:04,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (86 of 120 remaining) [2023-08-29 18:52:04,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (85 of 120 remaining) [2023-08-29 18:52:04,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (84 of 120 remaining) [2023-08-29 18:52:04,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (83 of 120 remaining) [2023-08-29 18:52:04,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (82 of 120 remaining) [2023-08-29 18:52:04,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (81 of 120 remaining) [2023-08-29 18:52:04,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (80 of 120 remaining) [2023-08-29 18:52:04,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (79 of 120 remaining) [2023-08-29 18:52:04,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (78 of 120 remaining) [2023-08-29 18:52:04,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (77 of 120 remaining) [2023-08-29 18:52:04,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (76 of 120 remaining) [2023-08-29 18:52:04,951 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (75 of 120 remaining) [2023-08-29 18:52:04,951 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (74 of 120 remaining) [2023-08-29 18:52:04,951 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (73 of 120 remaining) [2023-08-29 18:52:04,951 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (72 of 120 remaining) [2023-08-29 18:52:04,951 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (71 of 120 remaining) [2023-08-29 18:52:04,951 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (70 of 120 remaining) [2023-08-29 18:52:04,952 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (69 of 120 remaining) [2023-08-29 18:52:04,952 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (68 of 120 remaining) [2023-08-29 18:52:04,952 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (67 of 120 remaining) [2023-08-29 18:52:04,952 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (66 of 120 remaining) [2023-08-29 18:52:04,952 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (65 of 120 remaining) [2023-08-29 18:52:04,952 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (64 of 120 remaining) [2023-08-29 18:52:04,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (63 of 120 remaining) [2023-08-29 18:52:04,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (62 of 120 remaining) [2023-08-29 18:52:04,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (61 of 120 remaining) [2023-08-29 18:52:04,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (60 of 120 remaining) [2023-08-29 18:52:04,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (59 of 120 remaining) [2023-08-29 18:52:04,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE (58 of 120 remaining) [2023-08-29 18:52:04,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (57 of 120 remaining) [2023-08-29 18:52:04,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (56 of 120 remaining) [2023-08-29 18:52:04,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE (55 of 120 remaining) [2023-08-29 18:52:04,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (54 of 120 remaining) [2023-08-29 18:52:04,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE (53 of 120 remaining) [2023-08-29 18:52:04,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE (52 of 120 remaining) [2023-08-29 18:52:04,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (51 of 120 remaining) [2023-08-29 18:52:04,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE (50 of 120 remaining) [2023-08-29 18:52:04,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONDATA_RACE (49 of 120 remaining) [2023-08-29 18:52:04,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONDATA_RACE (48 of 120 remaining) [2023-08-29 18:52:04,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONDATA_RACE (47 of 120 remaining) [2023-08-29 18:52:04,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONDATA_RACE (46 of 120 remaining) [2023-08-29 18:52:04,956 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONDATA_RACE (45 of 120 remaining) [2023-08-29 18:52:04,956 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONDATA_RACE (44 of 120 remaining) [2023-08-29 18:52:04,956 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONDATA_RACE (43 of 120 remaining) [2023-08-29 18:52:04,956 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONDATA_RACE (42 of 120 remaining) [2023-08-29 18:52:04,956 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONDATA_RACE (41 of 120 remaining) [2023-08-29 18:52:04,956 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONDATA_RACE (40 of 120 remaining) [2023-08-29 18:52:04,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONDATA_RACE (39 of 120 remaining) [2023-08-29 18:52:04,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (38 of 120 remaining) [2023-08-29 18:52:04,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (37 of 120 remaining) [2023-08-29 18:52:04,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 120 remaining) [2023-08-29 18:52:04,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (35 of 120 remaining) [2023-08-29 18:52:04,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (34 of 120 remaining) [2023-08-29 18:52:04,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (33 of 120 remaining) [2023-08-29 18:52:04,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (32 of 120 remaining) [2023-08-29 18:52:04,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (31 of 120 remaining) [2023-08-29 18:52:04,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (30 of 120 remaining) [2023-08-29 18:52:04,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (29 of 120 remaining) [2023-08-29 18:52:04,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (28 of 120 remaining) [2023-08-29 18:52:04,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (27 of 120 remaining) [2023-08-29 18:52:04,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (26 of 120 remaining) [2023-08-29 18:52:04,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (25 of 120 remaining) [2023-08-29 18:52:04,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (24 of 120 remaining) [2023-08-29 18:52:04,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (23 of 120 remaining) [2023-08-29 18:52:04,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (22 of 120 remaining) [2023-08-29 18:52:04,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (21 of 120 remaining) [2023-08-29 18:52:04,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (20 of 120 remaining) [2023-08-29 18:52:04,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (19 of 120 remaining) [2023-08-29 18:52:04,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (18 of 120 remaining) [2023-08-29 18:52:04,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (17 of 120 remaining) [2023-08-29 18:52:04,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (16 of 120 remaining) [2023-08-29 18:52:04,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (15 of 120 remaining) [2023-08-29 18:52:04,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (14 of 120 remaining) [2023-08-29 18:52:04,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (13 of 120 remaining) [2023-08-29 18:52:04,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (12 of 120 remaining) [2023-08-29 18:52:04,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (11 of 120 remaining) [2023-08-29 18:52:04,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (10 of 120 remaining) [2023-08-29 18:52:04,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (9 of 120 remaining) [2023-08-29 18:52:04,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (8 of 120 remaining) [2023-08-29 18:52:04,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (7 of 120 remaining) [2023-08-29 18:52:04,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (6 of 120 remaining) [2023-08-29 18:52:04,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (5 of 120 remaining) [2023-08-29 18:52:04,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (4 of 120 remaining) [2023-08-29 18:52:04,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (3 of 120 remaining) [2023-08-29 18:52:04,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (2 of 120 remaining) [2023-08-29 18:52:04,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (1 of 120 remaining) [2023-08-29 18:52:04,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (0 of 120 remaining) [2023-08-29 18:52:04,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-08-29 18:52:04,964 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:52:04,968 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 18:52:04,969 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 18:52:04,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 06:52:04 BasicIcfg [2023-08-29 18:52:04,972 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 18:52:04,973 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 18:52:04,973 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 18:52:04,973 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 18:52:04,973 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:45:52" (3/4) ... [2023-08-29 18:52:04,975 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 18:52:04,979 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-29 18:52:04,979 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-29 18:52:04,979 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-08-29 18:52:04,988 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2023-08-29 18:52:04,988 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 18:52:04,989 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 18:52:04,989 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 18:52:05,042 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 18:52:05,043 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 18:52:05,043 INFO L158 Benchmark]: Toolchain (without parser) took 373679.50ms. Allocated memory was 62.9MB in the beginning and 16.1GB in the end (delta: 16.0GB). Free memory was 31.6MB in the beginning and 11.3GB in the end (delta: -11.2GB). Peak memory consumption was 4.8GB. Max. memory is 16.1GB. [2023-08-29 18:52:05,044 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 52.4MB. Free memory was 30.6MB in the beginning and 30.5MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 18:52:05,044 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.25ms. Allocated memory is still 62.9MB. Free memory was 31.5MB in the beginning and 34.0MB in the end (delta: -2.5MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2023-08-29 18:52:05,044 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.03ms. Allocated memory is still 62.9MB. Free memory was 33.8MB in the beginning and 30.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 18:52:05,044 INFO L158 Benchmark]: Boogie Preprocessor took 78.21ms. Allocated memory is still 62.9MB. Free memory was 30.4MB in the beginning and 41.0MB in the end (delta: -10.6MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2023-08-29 18:52:05,045 INFO L158 Benchmark]: RCFGBuilder took 1007.29ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 41.0MB in the beginning and 40.7MB in the end (delta: 372.5kB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2023-08-29 18:52:05,045 INFO L158 Benchmark]: TraceAbstraction took 372197.44ms. Allocated memory was 75.5MB in the beginning and 16.1GB in the end (delta: 16.0GB). Free memory was 40.0MB in the beginning and 11.3GB in the end (delta: -11.2GB). Peak memory consumption was 8.3GB. Max. memory is 16.1GB. [2023-08-29 18:52:05,045 INFO L158 Benchmark]: Witness Printer took 70.17ms. Allocated memory is still 16.1GB. Free memory was 11.3GB in the beginning and 11.3GB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-29 18:52:05,047 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 52.4MB. Free memory was 30.6MB in the beginning and 30.5MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 259.25ms. Allocated memory is still 62.9MB. Free memory was 31.5MB in the beginning and 34.0MB in the end (delta: -2.5MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.03ms. Allocated memory is still 62.9MB. Free memory was 33.8MB in the beginning and 30.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.21ms. Allocated memory is still 62.9MB. Free memory was 30.4MB in the beginning and 41.0MB in the end (delta: -10.6MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1007.29ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 41.0MB in the beginning and 40.7MB in the end (delta: 372.5kB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. * TraceAbstraction took 372197.44ms. Allocated memory was 75.5MB in the beginning and 16.1GB in the end (delta: 16.0GB). Free memory was 40.0MB in the beginning and 11.3GB in the end (delta: -11.2GB). Peak memory consumption was 8.3GB. Max. memory is 16.1GB. * Witness Printer took 70.17ms. Allocated memory is still 16.1GB. Free memory was 11.3GB in the beginning and 11.3GB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.7s, 577 PlacesBefore, 176 PlacesAfterwards, 597 TransitionsBefore, 181 TransitionsAfterwards, 35640 CoEnabledTransitionPairs, 10 FixpointIterations, 459 TrivialSequentialCompositions, 157 ConcurrentSequentialCompositions, 47 TrivialYvCompositions, 16 ConcurrentYvCompositions, 15 ChoiceCompositions, 694 TotalNumberOfCompositions, 218252 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 54090, independent: 51970, independent conditional: 0, independent unconditional: 51970, dependent: 2120, dependent conditional: 0, dependent unconditional: 2120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 19311, independent: 19118, independent conditional: 0, independent unconditional: 19118, dependent: 193, dependent conditional: 0, dependent unconditional: 193, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 54090, independent: 32852, independent conditional: 0, independent unconditional: 32852, dependent: 1927, dependent conditional: 0, dependent unconditional: 1927, unknown: 19311, unknown conditional: 0, unknown unconditional: 19311] , Statistics on independence cache: Total cache size (in pairs): 2663, Positive cache size: 2527, Positive conditional cache size: 0, Positive unconditional cache size: 2527, Negative cache size: 136, Negative conditional cache size: 0, Negative unconditional cache size: 136, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 785 locations, 120 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 372.0s, OverallIterations: 25, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 352.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 15.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8359 SdHoareTripleChecker+Valid, 11.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5452 mSDsluCounter, 1132 SdHoareTripleChecker+Invalid, 9.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 784 mSDsCounter, 2351 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15025 IncrementalHoareTripleChecker+Invalid, 17376 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2351 mSolverCounterUnsat, 348 mSDtfsCounter, 15025 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 108 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=732occurred in iteration=22, InterpolantAutomatonStates: 123, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 444 NumberOfCodeBlocks, 444 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 419 ConstructedInterpolants, 0 QuantifiedInterpolants, 1702 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 25 PerfectInterpolantSequences, 17/17 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 81 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 18:52:05,074 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE