./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/chl-array-int-subst.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --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/chl-array-int-subst.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 d6aa6ef36156b11d9501f41a7beea3c182ea6a120d3ddbfd55ede5953f5f6e32 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-31 21:27:19,945 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 21:27:19,947 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 21:27:19,990 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 21:27:19,992 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 21:27:19,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 21:27:19,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 21:27:20,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 21:27:20,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 21:27:20,007 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 21:27:20,008 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 21:27:20,010 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 21:27:20,010 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 21:27:20,012 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 21:27:20,014 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 21:27:20,019 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 21:27:20,021 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 21:27:20,022 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 21:27:20,024 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 21:27:20,029 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 21:27:20,037 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 21:27:20,037 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 21:27:20,038 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 21:27:20,039 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 21:27:20,045 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 21:27:20,046 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 21:27:20,046 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 21:27:20,048 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 21:27:20,049 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 21:27:20,049 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 21:27:20,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 21:27:20,056 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 21:27:20,058 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 21:27:20,059 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 21:27:20,059 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 21:27:20,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 21:27:20,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 21:27:20,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 21:27:20,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 21:27:20,063 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 21:27:20,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 21:27:20,065 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-31 21:27:20,099 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 21:27:20,100 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 21:27:20,101 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 21:27:20,101 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 21:27:20,102 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 21:27:20,102 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 21:27:20,103 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 21:27:20,103 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 21:27:20,103 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 21:27:20,103 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 21:27:20,104 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 21:27:20,104 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-31 21:27:20,105 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-31 21:27:20,105 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 21:27:20,105 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 21:27:20,105 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-31 21:27:20,105 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 21:27:20,106 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-31 21:27:20,106 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-31 21:27:20,106 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 21:27:20,106 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-31 21:27:20,106 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 21:27:20,106 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-31 21:27:20,107 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 21:27:20,107 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 21:27:20,107 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 21:27:20,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:27:20,108 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 21:27:20,108 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 21:27:20,108 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-31 21:27:20,108 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-31 21:27:20,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-31 21:27:20,109 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 21:27:20,109 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-31 21:27:20,109 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 21:27:20,109 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 21:27:20,109 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 21:27:20,110 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6aa6ef36156b11d9501f41a7beea3c182ea6a120d3ddbfd55ede5953f5f6e32 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-08-31 21:27:20,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 21:27:20,432 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 21:27:20,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 21:27:20,436 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 21:27:20,437 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 21:27:20,438 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-array-int-subst.wvr.c [2023-08-31 21:27:21,647 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 21:27:21,844 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 21:27:21,845 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-array-int-subst.wvr.c [2023-08-31 21:27:21,855 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a518b99b0/da58547e7bc0415c9996a82ba335bfb2/FLAGdf7e2c504 [2023-08-31 21:27:21,875 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a518b99b0/da58547e7bc0415c9996a82ba335bfb2 [2023-08-31 21:27:21,877 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 21:27:21,879 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 21:27:21,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 21:27:21,881 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 21:27:21,884 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 21:27:21,885 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:27:21" (1/1) ... [2023-08-31 21:27:21,886 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34ec5c59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:27:21, skipping insertion in model container [2023-08-31 21:27:21,887 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:27:21" (1/1) ... [2023-08-31 21:27:21,893 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 21:27:21,918 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 21:27:22,135 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/chl-array-int-subst.wvr.c[2781,2794] [2023-08-31 21:27:22,153 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:27:22,162 INFO L203 MainTranslator]: Completed pre-run [2023-08-31 21:27:22,203 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/chl-array-int-subst.wvr.c[2781,2794] [2023-08-31 21:27:22,219 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:27:22,236 INFO L208 MainTranslator]: Completed translation [2023-08-31 21:27:22,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:27:22 WrapperNode [2023-08-31 21:27:22,237 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 21:27:22,238 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-31 21:27:22,238 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-31 21:27:22,238 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-31 21:27:22,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:27:22" (1/1) ... [2023-08-31 21:27:22,254 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:27:22" (1/1) ... [2023-08-31 21:27:22,304 INFO L138 Inliner]: procedures = 26, calls = 50, calls flagged for inlining = 14, calls inlined = 22, statements flattened = 514 [2023-08-31 21:27:22,304 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-31 21:27:22,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-31 21:27:22,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-31 21:27:22,305 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-31 21:27:22,313 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:27:22" (1/1) ... [2023-08-31 21:27:22,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:27:22" (1/1) ... [2023-08-31 21:27:22,319 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:27:22" (1/1) ... [2023-08-31 21:27:22,319 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:27:22" (1/1) ... [2023-08-31 21:27:22,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:27:22" (1/1) ... [2023-08-31 21:27:22,361 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:27:22" (1/1) ... [2023-08-31 21:27:22,364 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:27:22" (1/1) ... [2023-08-31 21:27:22,367 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:27:22" (1/1) ... [2023-08-31 21:27:22,372 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-31 21:27:22,373 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-31 21:27:22,373 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-31 21:27:22,373 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-31 21:27:22,374 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:27:22" (1/1) ... [2023-08-31 21:27:22,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:27:22,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 21:27:22,430 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) [2023-08-31 21:27:22,445 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 [2023-08-31 21:27:22,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-31 21:27:22,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-31 21:27:22,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-31 21:27:22,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-31 21:27:22,474 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-31 21:27:22,474 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-31 21:27:22,475 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-31 21:27:22,475 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-31 21:27:22,475 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-31 21:27:22,475 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-31 21:27:22,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-31 21:27:22,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-31 21:27:22,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-31 21:27:22,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-31 21:27:22,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-31 21:27:22,478 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-31 21:27:22,577 INFO L236 CfgBuilder]: Building ICFG [2023-08-31 21:27:22,578 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-31 21:27:23,375 INFO L277 CfgBuilder]: Performing block encoding [2023-08-31 21:27:23,390 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-31 21:27:23,391 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-08-31 21:27:23,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:27:23 BoogieIcfgContainer [2023-08-31 21:27:23,394 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-31 21:27:23,397 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-31 21:27:23,398 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-31 21:27:23,400 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-31 21:27:23,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.08 09:27:21" (1/3) ... [2023-08-31 21:27:23,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55cdb388 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:27:23, skipping insertion in model container [2023-08-31 21:27:23,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:27:22" (2/3) ... [2023-08-31 21:27:23,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55cdb388 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:27:23, skipping insertion in model container [2023-08-31 21:27:23,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:27:23" (3/3) ... [2023-08-31 21:27:23,403 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-array-int-subst.wvr.c [2023-08-31 21:27:23,408 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-31 21:27:23,414 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-31 21:27:23,414 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 62 error locations. [2023-08-31 21:27:23,414 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-31 21:27:23,562 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-31 21:27:23,603 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 592 places, 615 transitions, 1254 flow [2023-08-31 21:27:23,853 INFO L130 PetriNetUnfolder]: 33/612 cut-off events. [2023-08-31 21:27:23,854 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-31 21:27:23,868 INFO L83 FinitePrefix]: Finished finitePrefix Result has 625 conditions, 612 events. 33/612 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1444 event pairs, 0 based on Foata normal form. 0/517 useless extension candidates. Maximal degree in co-relation 436. Up to 3 conditions per place. [2023-08-31 21:27:23,868 INFO L82 GeneralOperation]: Start removeDead. Operand has 592 places, 615 transitions, 1254 flow [2023-08-31 21:27:23,882 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 571 places, 592 transitions, 1202 flow [2023-08-31 21:27:23,886 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-31 21:27:23,900 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 571 places, 592 transitions, 1202 flow [2023-08-31 21:27:23,906 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 571 places, 592 transitions, 1202 flow [2023-08-31 21:27:23,907 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 571 places, 592 transitions, 1202 flow [2023-08-31 21:27:24,026 INFO L130 PetriNetUnfolder]: 31/592 cut-off events. [2023-08-31 21:27:24,027 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-31 21:27:24,033 INFO L83 FinitePrefix]: Finished finitePrefix Result has 605 conditions, 592 events. 31/592 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1418 event pairs, 0 based on Foata normal form. 0/500 useless extension candidates. Maximal degree in co-relation 436. Up to 3 conditions per place. [2023-08-31 21:27:24,064 INFO L119 LiptonReduction]: Number of co-enabled transitions 85536 [2023-08-31 21:27:35,113 INFO L134 LiptonReduction]: Checked pairs total: 490161 [2023-08-31 21:27:35,114 INFO L136 LiptonReduction]: Total number of compositions: 504 [2023-08-31 21:27:35,126 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-31 21:27:35,131 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;@b83cba, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-31 21:27:35,131 INFO L358 AbstractCegarLoop]: Starting to check reachability of 107 error locations. [2023-08-31 21:27:35,133 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-31 21:27:35,133 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 21:27:35,133 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:27:35,134 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-31 21:27:35,134 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2023-08-31 21:27:35,138 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:27:35,138 INFO L85 PathProgramCache]: Analyzing trace with hash 2223, now seen corresponding path program 1 times [2023-08-31 21:27:35,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:27:35,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434107338] [2023-08-31 21:27:35,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:27:35,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:27:35,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:27:35,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:27:35,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:27:35,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434107338] [2023-08-31 21:27:35,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434107338] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:27:35,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:27:35,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-31 21:27:35,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369517319] [2023-08-31 21:27:35,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:27:35,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-31 21:27:35,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:27:35,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-31 21:27:35,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-31 21:27:35,266 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 588 out of 1119 [2023-08-31 21:27:35,271 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 220 transitions, 458 flow. Second operand has 2 states, 2 states have (on average 588.5) internal successors, (1177), 2 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:27:35,271 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:27:35,271 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 588 of 1119 [2023-08-31 21:27:35,272 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:27:38,713 INFO L130 PetriNetUnfolder]: 8052/28250 cut-off events. [2023-08-31 21:27:38,714 INFO L131 PetriNetUnfolder]: For 624/741 co-relation queries the response was YES. [2023-08-31 21:27:38,803 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39363 conditions, 28250 events. 8052/28250 cut-off events. For 624/741 co-relation queries the response was YES. Maximal size of possible extension queue 748. Compared 345075 event pairs, 5793 based on Foata normal form. 2127/24823 useless extension candidates. Maximal degree in co-relation 35919. Up to 10786 conditions per place. [2023-08-31 21:27:39,004 INFO L137 encePairwiseOnDemand]: 1093/1119 looper letters, 55 selfloop transitions, 0 changer transitions 1/194 dead transitions. [2023-08-31 21:27:39,005 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 194 transitions, 518 flow [2023-08-31 21:27:39,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-31 21:27:39,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-31 21:27:39,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1258 transitions. [2023-08-31 21:27:39,027 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5621090259159964 [2023-08-31 21:27:39,028 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1258 transitions. [2023-08-31 21:27:39,029 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1258 transitions. [2023-08-31 21:27:39,032 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:27:39,035 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1258 transitions. [2023-08-31 21:27:39,041 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 629.0) internal successors, (1258), 2 states have internal predecessors, (1258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:27:39,050 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1119.0) internal successors, (3357), 3 states have internal predecessors, (3357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:27:39,052 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1119.0) internal successors, (3357), 3 states have internal predecessors, (3357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:27:39,054 INFO L175 Difference]: Start difference. First operand has 215 places, 220 transitions, 458 flow. Second operand 2 states and 1258 transitions. [2023-08-31 21:27:39,054 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 194 transitions, 518 flow [2023-08-31 21:27:39,074 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 194 transitions, 506 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-31 21:27:39,079 INFO L231 Difference]: Finished difference. Result has 187 places, 193 transitions, 391 flow [2023-08-31 21:27:39,081 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1119, PETRI_DIFFERENCE_MINUEND_FLOW=394, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=194, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=391, PETRI_PLACES=187, PETRI_TRANSITIONS=193} [2023-08-31 21:27:39,087 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, -28 predicate places. [2023-08-31 21:27:39,088 INFO L495 AbstractCegarLoop]: Abstraction has has 187 places, 193 transitions, 391 flow [2023-08-31 21:27:39,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 588.5) internal successors, (1177), 2 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:27:39,090 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:27:39,090 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:27:39,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-31 21:27:39,093 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2023-08-31 21:27:39,100 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:27:39,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1135505181, now seen corresponding path program 1 times [2023-08-31 21:27:39,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:27:39,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036625375] [2023-08-31 21:27:39,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:27:39,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:27:39,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:27:39,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:27:39,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:27:39,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036625375] [2023-08-31 21:27:39,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036625375] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:27:39,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:27:39,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:27:39,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440247626] [2023-08-31 21:27:39,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:27:39,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:27:39,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:27:39,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:27:39,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:27:39,315 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 572 out of 1119 [2023-08-31 21:27:39,317 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 193 transitions, 391 flow. Second operand has 3 states, 3 states have (on average 574.3333333333334) internal successors, (1723), 3 states have internal predecessors, (1723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:27:39,317 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:27:39,317 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 572 of 1119 [2023-08-31 21:27:39,318 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:27:42,204 INFO L130 PetriNetUnfolder]: 12514/39863 cut-off events. [2023-08-31 21:27:42,204 INFO L131 PetriNetUnfolder]: For 182/643 co-relation queries the response was YES. [2023-08-31 21:27:42,278 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56874 conditions, 39863 events. 12514/39863 cut-off events. For 182/643 co-relation queries the response was YES. Maximal size of possible extension queue 1030. Compared 488499 event pairs, 9481 based on Foata normal form. 0/32292 useless extension candidates. Maximal degree in co-relation 56871. Up to 16864 conditions per place. [2023-08-31 21:27:42,437 INFO L137 encePairwiseOnDemand]: 1114/1119 looper letters, 59 selfloop transitions, 1 changer transitions 0/189 dead transitions. [2023-08-31 21:27:42,437 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 189 transitions, 503 flow [2023-08-31 21:27:42,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:27:42,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:27:42,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1780 transitions. [2023-08-31 21:27:42,443 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5302353291629431 [2023-08-31 21:27:42,443 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1780 transitions. [2023-08-31 21:27:42,443 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1780 transitions. [2023-08-31 21:27:42,444 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:27:42,444 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1780 transitions. [2023-08-31 21:27:42,448 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 593.3333333333334) internal successors, (1780), 3 states have internal predecessors, (1780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:27:42,454 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1119.0) internal successors, (4476), 4 states have internal predecessors, (4476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:27:42,456 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1119.0) internal successors, (4476), 4 states have internal predecessors, (4476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:27:42,457 INFO L175 Difference]: Start difference. First operand has 187 places, 193 transitions, 391 flow. Second operand 3 states and 1780 transitions. [2023-08-31 21:27:42,457 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 189 transitions, 503 flow [2023-08-31 21:27:42,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 189 transitions, 503 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:27:42,462 INFO L231 Difference]: Finished difference. Result has 184 places, 189 transitions, 385 flow [2023-08-31 21:27:42,463 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1119, PETRI_DIFFERENCE_MINUEND_FLOW=383, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=385, PETRI_PLACES=184, PETRI_TRANSITIONS=189} [2023-08-31 21:27:42,464 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, -31 predicate places. [2023-08-31 21:27:42,464 INFO L495 AbstractCegarLoop]: Abstraction has has 184 places, 189 transitions, 385 flow [2023-08-31 21:27:42,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 574.3333333333334) internal successors, (1723), 3 states have internal predecessors, (1723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:27:42,465 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:27:42,465 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:27:42,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-31 21:27:42,466 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2023-08-31 21:27:42,469 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:27:42,470 INFO L85 PathProgramCache]: Analyzing trace with hash -298740923, now seen corresponding path program 1 times [2023-08-31 21:27:42,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:27:42,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601603620] [2023-08-31 21:27:42,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:27:42,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:27:42,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:27:42,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:27:42,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:27:42,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601603620] [2023-08-31 21:27:42,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601603620] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:27:42,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:27:42,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:27:42,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973678116] [2023-08-31 21:27:42,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:27:42,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:27:42,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:27:42,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:27:42,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:27:42,597 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 572 out of 1119 [2023-08-31 21:27:42,601 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 189 transitions, 385 flow. Second operand has 3 states, 3 states have (on average 574.6666666666666) internal successors, (1724), 3 states have internal predecessors, (1724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:27:42,601 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:27:42,601 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 572 of 1119 [2023-08-31 21:27:42,601 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:27:44,869 INFO L130 PetriNetUnfolder]: 10814/35229 cut-off events. [2023-08-31 21:27:44,869 INFO L131 PetriNetUnfolder]: For 160/347 co-relation queries the response was YES. [2023-08-31 21:27:44,952 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49871 conditions, 35229 events. 10814/35229 cut-off events. For 160/347 co-relation queries the response was YES. Maximal size of possible extension queue 953. Compared 432305 event pairs, 8015 based on Foata normal form. 0/28745 useless extension candidates. Maximal degree in co-relation 49867. Up to 14524 conditions per place. [2023-08-31 21:27:45,362 INFO L137 encePairwiseOnDemand]: 1114/1119 looper letters, 58 selfloop transitions, 1 changer transitions 0/185 dead transitions. [2023-08-31 21:27:45,363 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 185 transitions, 495 flow [2023-08-31 21:27:45,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:27:45,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:27:45,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1779 transitions. [2023-08-31 21:27:45,368 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5299374441465594 [2023-08-31 21:27:45,368 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1779 transitions. [2023-08-31 21:27:45,368 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1779 transitions. [2023-08-31 21:27:45,369 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:27:45,369 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1779 transitions. [2023-08-31 21:27:45,373 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 593.0) internal successors, (1779), 3 states have internal predecessors, (1779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:27:45,379 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1119.0) internal successors, (4476), 4 states have internal predecessors, (4476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:27:45,381 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1119.0) internal successors, (4476), 4 states have internal predecessors, (4476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:27:45,381 INFO L175 Difference]: Start difference. First operand has 184 places, 189 transitions, 385 flow. Second operand 3 states and 1779 transitions. [2023-08-31 21:27:45,381 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 185 transitions, 495 flow [2023-08-31 21:27:45,383 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 185 transitions, 494 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 21:27:45,387 INFO L231 Difference]: Finished difference. Result has 181 places, 185 transitions, 378 flow [2023-08-31 21:27:45,387 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1119, PETRI_DIFFERENCE_MINUEND_FLOW=376, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=378, PETRI_PLACES=181, PETRI_TRANSITIONS=185} [2023-08-31 21:27:45,389 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, -34 predicate places. [2023-08-31 21:27:45,391 INFO L495 AbstractCegarLoop]: Abstraction has has 181 places, 185 transitions, 378 flow [2023-08-31 21:27:45,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 574.6666666666666) internal successors, (1724), 3 states have internal predecessors, (1724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:27:45,393 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:27:45,393 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:27:45,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-31 21:27:45,393 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2023-08-31 21:27:45,394 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:27:45,394 INFO L85 PathProgramCache]: Analyzing trace with hash -19260513, now seen corresponding path program 1 times [2023-08-31 21:27:45,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:27:45,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895930309] [2023-08-31 21:27:45,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:27:45,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:27:45,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:27:45,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:27:45,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:27:45,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895930309] [2023-08-31 21:27:45,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895930309] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:27:45,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:27:45,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:27:45,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172486210] [2023-08-31 21:27:45,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:27:45,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:27:45,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:27:45,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:27:45,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:27:45,500 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 572 out of 1119 [2023-08-31 21:27:45,502 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 185 transitions, 378 flow. Second operand has 3 states, 3 states have (on average 575.3333333333334) internal successors, (1726), 3 states have internal predecessors, (1726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:27:45,509 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:27:45,509 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 572 of 1119 [2023-08-31 21:27:45,509 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:27:47,514 INFO L130 PetriNetUnfolder]: 9446/31225 cut-off events. [2023-08-31 21:27:47,515 INFO L131 PetriNetUnfolder]: For 159/229 co-relation queries the response was YES. [2023-08-31 21:27:47,593 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44009 conditions, 31225 events. 9446/31225 cut-off events. For 159/229 co-relation queries the response was YES. Maximal size of possible extension queue 846. Compared 379063 event pairs, 6917 based on Foata normal form. 0/25326 useless extension candidates. Maximal degree in co-relation 44005. Up to 12674 conditions per place. [2023-08-31 21:27:47,717 INFO L137 encePairwiseOnDemand]: 1114/1119 looper letters, 56 selfloop transitions, 1 changer transitions 0/181 dead transitions. [2023-08-31 21:27:47,717 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 181 transitions, 484 flow [2023-08-31 21:27:47,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:27:47,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:27:47,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1777 transitions. [2023-08-31 21:27:47,724 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5293416741137921 [2023-08-31 21:27:47,724 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1777 transitions. [2023-08-31 21:27:47,724 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1777 transitions. [2023-08-31 21:27:47,726 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:27:47,726 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1777 transitions. [2023-08-31 21:27:47,730 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 592.3333333333334) internal successors, (1777), 3 states have internal predecessors, (1777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:27:47,736 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1119.0) internal successors, (4476), 4 states have internal predecessors, (4476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:27:47,739 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1119.0) internal successors, (4476), 4 states have internal predecessors, (4476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:27:47,740 INFO L175 Difference]: Start difference. First operand has 181 places, 185 transitions, 378 flow. Second operand 3 states and 1777 transitions. [2023-08-31 21:27:47,740 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 179 places, 181 transitions, 484 flow [2023-08-31 21:27:47,741 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 181 transitions, 483 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 21:27:47,743 INFO L231 Difference]: Finished difference. Result has 178 places, 181 transitions, 371 flow [2023-08-31 21:27:47,743 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1119, PETRI_DIFFERENCE_MINUEND_FLOW=369, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=371, PETRI_PLACES=178, PETRI_TRANSITIONS=181} [2023-08-31 21:27:47,745 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, -37 predicate places. [2023-08-31 21:27:47,746 INFO L495 AbstractCegarLoop]: Abstraction has has 178 places, 181 transitions, 371 flow [2023-08-31 21:27:47,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 575.3333333333334) internal successors, (1726), 3 states have internal predecessors, (1726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:27:47,747 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:27:47,747 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:27:47,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-31 21:27:47,748 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2023-08-31 21:27:47,748 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:27:47,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1281349300, now seen corresponding path program 1 times [2023-08-31 21:27:47,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:27:47,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327372945] [2023-08-31 21:27:47,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:27:47,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:27:47,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:27:47,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:27:47,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:27:47,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327372945] [2023-08-31 21:27:47,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327372945] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:27:47,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:27:47,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-31 21:27:47,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380978448] [2023-08-31 21:27:47,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:27:47,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:27:47,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:27:47,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:27:47,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:27:47,828 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 580 out of 1119 [2023-08-31 21:27:47,834 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 181 transitions, 371 flow. Second operand has 3 states, 3 states have (on average 583.0) internal successors, (1749), 3 states have internal predecessors, (1749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:27:47,835 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:27:47,835 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 580 of 1119 [2023-08-31 21:27:47,835 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:27:49,825 INFO L130 PetriNetUnfolder]: 8816/30030 cut-off events. [2023-08-31 21:27:49,826 INFO L131 PetriNetUnfolder]: For 140/140 co-relation queries the response was YES. [2023-08-31 21:27:49,903 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41958 conditions, 30030 events. 8816/30030 cut-off events. For 140/140 co-relation queries the response was YES. Maximal size of possible extension queue 745. Compared 364109 event pairs, 5793 based on Foata normal form. 0/24233 useless extension candidates. Maximal degree in co-relation 41954. Up to 10785 conditions per place. [2023-08-31 21:27:49,992 INFO L137 encePairwiseOnDemand]: 1116/1119 looper letters, 86 selfloop transitions, 2 changer transitions 0/214 dead transitions. [2023-08-31 21:27:49,993 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 214 transitions, 615 flow [2023-08-31 21:27:49,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:27:49,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:27:49,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1829 transitions. [2023-08-31 21:27:49,998 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5448316949657432 [2023-08-31 21:27:49,998 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1829 transitions. [2023-08-31 21:27:49,998 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1829 transitions. [2023-08-31 21:27:49,999 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:27:49,999 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1829 transitions. [2023-08-31 21:27:50,003 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 609.6666666666666) internal successors, (1829), 3 states have internal predecessors, (1829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:27:50,009 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1119.0) internal successors, (4476), 4 states have internal predecessors, (4476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:27:50,011 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1119.0) internal successors, (4476), 4 states have internal predecessors, (4476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:27:50,011 INFO L175 Difference]: Start difference. First operand has 178 places, 181 transitions, 371 flow. Second operand 3 states and 1829 transitions. [2023-08-31 21:27:50,011 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 214 transitions, 615 flow [2023-08-31 21:27:50,013 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 214 transitions, 614 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 21:27:50,015 INFO L231 Difference]: Finished difference. Result has 180 places, 182 transitions, 382 flow [2023-08-31 21:27:50,016 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1119, PETRI_DIFFERENCE_MINUEND_FLOW=370, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=382, PETRI_PLACES=180, PETRI_TRANSITIONS=182} [2023-08-31 21:27:50,016 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, -35 predicate places. [2023-08-31 21:27:50,016 INFO L495 AbstractCegarLoop]: Abstraction has has 180 places, 182 transitions, 382 flow [2023-08-31 21:27:50,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 583.0) internal successors, (1749), 3 states have internal predecessors, (1749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:27:50,017 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:27:50,017 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:27:50,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-31 21:27:50,018 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2023-08-31 21:27:50,018 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:27:50,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1461399978, now seen corresponding path program 1 times [2023-08-31 21:27:50,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:27:50,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004563099] [2023-08-31 21:27:50,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:27:50,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:27:50,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:27:50,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:27:50,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:27:50,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004563099] [2023-08-31 21:27:50,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004563099] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:27:50,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:27:50,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:27:50,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501796471] [2023-08-31 21:27:50,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:27:50,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:27:50,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:27:50,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:27:50,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:27:51,002 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 567 out of 1119 [2023-08-31 21:27:51,005 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 182 transitions, 382 flow. Second operand has 6 states, 6 states have (on average 569.3333333333334) internal successors, (3416), 6 states have internal predecessors, (3416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:27:51,005 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:27:51,005 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 567 of 1119 [2023-08-31 21:27:51,005 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:27:54,679 INFO L130 PetriNetUnfolder]: 26784/50457 cut-off events. [2023-08-31 21:27:54,679 INFO L131 PetriNetUnfolder]: For 3917/3917 co-relation queries the response was YES. [2023-08-31 21:27:54,841 INFO L83 FinitePrefix]: Finished finitePrefix Result has 89274 conditions, 50457 events. 26784/50457 cut-off events. For 3917/3917 co-relation queries the response was YES. Maximal size of possible extension queue 1403. Compared 480109 event pairs, 3055 based on Foata normal form. 0/41023 useless extension candidates. Maximal degree in co-relation 89269. Up to 12412 conditions per place. [2023-08-31 21:27:55,023 INFO L137 encePairwiseOnDemand]: 1114/1119 looper letters, 212 selfloop transitions, 4 changer transitions 0/337 dead transitions. [2023-08-31 21:27:55,024 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 337 transitions, 1164 flow [2023-08-31 21:27:55,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:27:55,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:27:55,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3614 transitions. [2023-08-31 21:27:55,032 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5382782246053024 [2023-08-31 21:27:55,033 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3614 transitions. [2023-08-31 21:27:55,033 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3614 transitions. [2023-08-31 21:27:55,035 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:27:55,035 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3614 transitions. [2023-08-31 21:27:55,041 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 602.3333333333334) internal successors, (3614), 6 states have internal predecessors, (3614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:27:55,051 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1119.0) internal successors, (7833), 7 states have internal predecessors, (7833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:27:55,053 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1119.0) internal successors, (7833), 7 states have internal predecessors, (7833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:27:55,053 INFO L175 Difference]: Start difference. First operand has 180 places, 182 transitions, 382 flow. Second operand 6 states and 3614 transitions. [2023-08-31 21:27:55,053 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 337 transitions, 1164 flow [2023-08-31 21:27:55,073 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 337 transitions, 1154 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 21:27:55,077 INFO L231 Difference]: Finished difference. Result has 183 places, 181 transitions, 386 flow [2023-08-31 21:27:55,077 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1119, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=386, PETRI_PLACES=183, PETRI_TRANSITIONS=181} [2023-08-31 21:27:55,080 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, -32 predicate places. [2023-08-31 21:27:55,080 INFO L495 AbstractCegarLoop]: Abstraction has has 183 places, 181 transitions, 386 flow [2023-08-31 21:27:55,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 569.3333333333334) internal successors, (3416), 6 states have internal predecessors, (3416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:27:55,088 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:27:55,088 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:27:55,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-31 21:27:55,088 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2023-08-31 21:27:55,089 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:27:55,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1436614589, now seen corresponding path program 1 times [2023-08-31 21:27:55,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:27:55,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170285442] [2023-08-31 21:27:55,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:27:55,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:27:55,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:27:55,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:27:55,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:27:55,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170285442] [2023-08-31 21:27:55,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170285442] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:27:55,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:27:55,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-31 21:27:55,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368102835] [2023-08-31 21:27:55,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:27:55,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:27:55,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:27:55,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:27:55,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:27:55,242 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 580 out of 1119 [2023-08-31 21:27:55,244 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 181 transitions, 386 flow. Second operand has 3 states, 3 states have (on average 583.6666666666666) internal successors, (1751), 3 states have internal predecessors, (1751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:27:55,244 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:27:55,244 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 580 of 1119 [2023-08-31 21:27:55,245 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:27:57,614 INFO L130 PetriNetUnfolder]: 9716/32980 cut-off events. [2023-08-31 21:27:57,615 INFO L131 PetriNetUnfolder]: For 2411/2469 co-relation queries the response was YES. [2023-08-31 21:27:57,698 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48845 conditions, 32980 events. 9716/32980 cut-off events. For 2411/2469 co-relation queries the response was YES. Maximal size of possible extension queue 766. Compared 403414 event pairs, 6413 based on Foata normal form. 0/27199 useless extension candidates. Maximal degree in co-relation 48840. Up to 11821 conditions per place. [2023-08-31 21:27:57,782 INFO L137 encePairwiseOnDemand]: 1116/1119 looper letters, 88 selfloop transitions, 2 changer transitions 0/215 dead transitions. [2023-08-31 21:27:57,783 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 215 transitions, 646 flow [2023-08-31 21:27:57,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:27:57,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:27:57,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1829 transitions. [2023-08-31 21:27:57,786 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5448316949657432 [2023-08-31 21:27:57,787 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1829 transitions. [2023-08-31 21:27:57,787 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1829 transitions. [2023-08-31 21:27:57,788 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:27:57,788 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1829 transitions. [2023-08-31 21:27:57,790 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 609.6666666666666) internal successors, (1829), 3 states have internal predecessors, (1829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:27:57,795 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1119.0) internal successors, (4476), 4 states have internal predecessors, (4476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:27:57,795 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1119.0) internal successors, (4476), 4 states have internal predecessors, (4476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:27:57,796 INFO L175 Difference]: Start difference. First operand has 183 places, 181 transitions, 386 flow. Second operand 3 states and 1829 transitions. [2023-08-31 21:27:57,796 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 215 transitions, 646 flow [2023-08-31 21:27:57,810 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 215 transitions, 637 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-31 21:27:57,812 INFO L231 Difference]: Finished difference. Result has 182 places, 182 transitions, 391 flow [2023-08-31 21:27:57,812 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1119, PETRI_DIFFERENCE_MINUEND_FLOW=379, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=391, PETRI_PLACES=182, PETRI_TRANSITIONS=182} [2023-08-31 21:27:57,813 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, -33 predicate places. [2023-08-31 21:27:57,813 INFO L495 AbstractCegarLoop]: Abstraction has has 182 places, 182 transitions, 391 flow [2023-08-31 21:27:57,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 583.6666666666666) internal successors, (1751), 3 states have internal predecessors, (1751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:27:57,814 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:27:57,814 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:27:57,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-31 21:27:57,814 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2023-08-31 21:27:57,815 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:27:57,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1261582514, now seen corresponding path program 1 times [2023-08-31 21:27:57,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:27:57,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454493460] [2023-08-31 21:27:57,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:27:57,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:27:57,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:27:57,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:27:57,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:27:57,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454493460] [2023-08-31 21:27:57,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454493460] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:27:57,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:27:57,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:27:57,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395345097] [2023-08-31 21:27:57,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:27:57,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:27:57,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:27:57,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:27:57,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:27:57,858 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 575 out of 1119 [2023-08-31 21:27:57,860 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 182 transitions, 391 flow. Second operand has 3 states, 3 states have (on average 578.6666666666666) internal successors, (1736), 3 states have internal predecessors, (1736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:27:57,860 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:27:57,860 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 575 of 1119 [2023-08-31 21:27:57,860 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:28:01,146 INFO L130 PetriNetUnfolder]: 17934/49267 cut-off events. [2023-08-31 21:28:01,146 INFO L131 PetriNetUnfolder]: For 4399/4473 co-relation queries the response was YES. [2023-08-31 21:28:01,282 INFO L83 FinitePrefix]: Finished finitePrefix Result has 79289 conditions, 49267 events. 17934/49267 cut-off events. For 4399/4473 co-relation queries the response was YES. Maximal size of possible extension queue 1113. Compared 585769 event pairs, 4097 based on Foata normal form. 0/42297 useless extension candidates. Maximal degree in co-relation 79283. Up to 18226 conditions per place. [2023-08-31 21:28:01,408 INFO L137 encePairwiseOnDemand]: 1113/1119 looper letters, 100 selfloop transitions, 2 changer transitions 0/219 dead transitions. [2023-08-31 21:28:01,408 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 219 transitions, 691 flow [2023-08-31 21:28:01,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:28:01,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:28:01,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1827 transitions. [2023-08-31 21:28:01,412 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5442359249329759 [2023-08-31 21:28:01,412 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1827 transitions. [2023-08-31 21:28:01,412 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1827 transitions. [2023-08-31 21:28:01,413 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:28:01,413 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1827 transitions. [2023-08-31 21:28:01,416 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 609.0) internal successors, (1827), 3 states have internal predecessors, (1827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:01,419 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1119.0) internal successors, (4476), 4 states have internal predecessors, (4476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:01,420 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1119.0) internal successors, (4476), 4 states have internal predecessors, (4476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:01,420 INFO L175 Difference]: Start difference. First operand has 182 places, 182 transitions, 391 flow. Second operand 3 states and 1827 transitions. [2023-08-31 21:28:01,420 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 219 transitions, 691 flow [2023-08-31 21:28:01,438 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 219 transitions, 687 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 21:28:01,440 INFO L231 Difference]: Finished difference. Result has 180 places, 180 transitions, 399 flow [2023-08-31 21:28:01,441 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1119, PETRI_DIFFERENCE_MINUEND_FLOW=381, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=178, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=399, PETRI_PLACES=180, PETRI_TRANSITIONS=180} [2023-08-31 21:28:01,441 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, -35 predicate places. [2023-08-31 21:28:01,441 INFO L495 AbstractCegarLoop]: Abstraction has has 180 places, 180 transitions, 399 flow [2023-08-31 21:28:01,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 578.6666666666666) internal successors, (1736), 3 states have internal predecessors, (1736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:01,442 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:28:01,442 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:28:01,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-31 21:28:01,442 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread3Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2023-08-31 21:28:01,443 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:28:01,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1896101596, now seen corresponding path program 1 times [2023-08-31 21:28:01,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:28:01,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850230251] [2023-08-31 21:28:01,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:28:01,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:28:01,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:28:01,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:28:01,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:28:01,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850230251] [2023-08-31 21:28:01,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850230251] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:28:01,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:28:01,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-31 21:28:01,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529031219] [2023-08-31 21:28:01,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:28:01,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:28:01,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:28:01,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:28:01,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:28:01,482 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 580 out of 1119 [2023-08-31 21:28:01,484 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 180 transitions, 399 flow. Second operand has 3 states, 3 states have (on average 584.3333333333334) internal successors, (1753), 3 states have internal predecessors, (1753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:01,484 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:28:01,484 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 580 of 1119 [2023-08-31 21:28:01,484 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:28:04,618 INFO L130 PetriNetUnfolder]: 15049/43185 cut-off events. [2023-08-31 21:28:04,618 INFO L131 PetriNetUnfolder]: For 6192/6259 co-relation queries the response was YES. [2023-08-31 21:28:04,724 INFO L83 FinitePrefix]: Finished finitePrefix Result has 70038 conditions, 43185 events. 15049/43185 cut-off events. For 6192/6259 co-relation queries the response was YES. Maximal size of possible extension queue 1100. Compared 517153 event pairs, 10393 based on Foata normal form. 0/37724 useless extension candidates. Maximal degree in co-relation 70032. Up to 19055 conditions per place. [2023-08-31 21:28:04,829 INFO L137 encePairwiseOnDemand]: 1116/1119 looper letters, 89 selfloop transitions, 2 changer transitions 0/212 dead transitions. [2023-08-31 21:28:04,829 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 212 transitions, 677 flow [2023-08-31 21:28:04,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:28:04,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:28:04,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1824 transitions. [2023-08-31 21:28:04,832 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5433422698838248 [2023-08-31 21:28:04,832 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1824 transitions. [2023-08-31 21:28:04,832 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1824 transitions. [2023-08-31 21:28:04,833 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:28:04,833 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1824 transitions. [2023-08-31 21:28:04,835 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 608.0) internal successors, (1824), 3 states have internal predecessors, (1824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:04,839 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1119.0) internal successors, (4476), 4 states have internal predecessors, (4476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:04,839 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1119.0) internal successors, (4476), 4 states have internal predecessors, (4476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:04,840 INFO L175 Difference]: Start difference. First operand has 180 places, 180 transitions, 399 flow. Second operand 3 states and 1824 transitions. [2023-08-31 21:28:04,840 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 212 transitions, 677 flow [2023-08-31 21:28:04,852 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 212 transitions, 677 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:28:04,854 INFO L231 Difference]: Finished difference. Result has 183 places, 181 transitions, 411 flow [2023-08-31 21:28:04,854 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1119, PETRI_DIFFERENCE_MINUEND_FLOW=399, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=411, PETRI_PLACES=183, PETRI_TRANSITIONS=181} [2023-08-31 21:28:04,855 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, -32 predicate places. [2023-08-31 21:28:04,855 INFO L495 AbstractCegarLoop]: Abstraction has has 183 places, 181 transitions, 411 flow [2023-08-31 21:28:04,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 584.3333333333334) internal successors, (1753), 3 states have internal predecessors, (1753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:04,855 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:28:04,856 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:28:04,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-31 21:28:04,856 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread3Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2023-08-31 21:28:04,856 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:28:04,856 INFO L85 PathProgramCache]: Analyzing trace with hash 956994470, now seen corresponding path program 1 times [2023-08-31 21:28:04,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:28:04,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73191803] [2023-08-31 21:28:04,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:28:04,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:28:04,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:28:04,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:28:04,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:28:04,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73191803] [2023-08-31 21:28:04,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73191803] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:28:04,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:28:04,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:28:04,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619586669] [2023-08-31 21:28:04,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:28:04,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:28:04,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:28:04,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:28:04,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:28:04,907 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 575 out of 1119 [2023-08-31 21:28:04,908 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 181 transitions, 411 flow. Second operand has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:04,908 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:28:04,908 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 575 of 1119 [2023-08-31 21:28:04,909 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:28:09,111 INFO L130 PetriNetUnfolder]: 26375/57990 cut-off events. [2023-08-31 21:28:09,111 INFO L131 PetriNetUnfolder]: For 12813/12881 co-relation queries the response was YES. [2023-08-31 21:28:09,286 INFO L83 FinitePrefix]: Finished finitePrefix Result has 107692 conditions, 57990 events. 26375/57990 cut-off events. For 12813/12881 co-relation queries the response was YES. Maximal size of possible extension queue 1601. Compared 626737 event pairs, 6487 based on Foata normal form. 5/52988 useless extension candidates. Maximal degree in co-relation 107684. Up to 27139 conditions per place. [2023-08-31 21:28:09,475 INFO L137 encePairwiseOnDemand]: 1113/1119 looper letters, 105 selfloop transitions, 2 changer transitions 0/218 dead transitions. [2023-08-31 21:28:09,475 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 218 transitions, 743 flow [2023-08-31 21:28:09,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:28:09,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:28:09,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1826 transitions. [2023-08-31 21:28:09,479 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5439380399165922 [2023-08-31 21:28:09,479 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1826 transitions. [2023-08-31 21:28:09,480 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1826 transitions. [2023-08-31 21:28:09,481 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:28:09,481 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1826 transitions. [2023-08-31 21:28:09,484 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 608.6666666666666) internal successors, (1826), 3 states have internal predecessors, (1826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:09,488 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1119.0) internal successors, (4476), 4 states have internal predecessors, (4476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:09,489 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1119.0) internal successors, (4476), 4 states have internal predecessors, (4476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:09,489 INFO L175 Difference]: Start difference. First operand has 183 places, 181 transitions, 411 flow. Second operand 3 states and 1826 transitions. [2023-08-31 21:28:09,489 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 218 transitions, 743 flow [2023-08-31 21:28:09,561 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 218 transitions, 739 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 21:28:09,563 INFO L231 Difference]: Finished difference. Result has 181 places, 179 transitions, 417 flow [2023-08-31 21:28:09,564 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1119, PETRI_DIFFERENCE_MINUEND_FLOW=401, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=177, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=417, PETRI_PLACES=181, PETRI_TRANSITIONS=179} [2023-08-31 21:28:09,564 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, -34 predicate places. [2023-08-31 21:28:09,564 INFO L495 AbstractCegarLoop]: Abstraction has has 181 places, 179 transitions, 417 flow [2023-08-31 21:28:09,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:09,565 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:28:09,565 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] [2023-08-31 21:28:09,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-31 21:28:09,565 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2023-08-31 21:28:09,566 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:28:09,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1672118410, now seen corresponding path program 1 times [2023-08-31 21:28:09,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:28:09,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377114403] [2023-08-31 21:28:09,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:28:09,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:28:09,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:28:09,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:28:09,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:28:09,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377114403] [2023-08-31 21:28:09,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377114403] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:28:09,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:28:09,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-31 21:28:09,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937994779] [2023-08-31 21:28:09,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:28:09,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-31 21:28:09,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:28:09,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-31 21:28:09,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-08-31 21:28:09,902 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 572 out of 1119 [2023-08-31 21:28:09,905 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 179 transitions, 417 flow. Second operand has 5 states, 5 states have (on average 574.0) internal successors, (2870), 5 states have internal predecessors, (2870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:09,905 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:28:09,905 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 572 of 1119 [2023-08-31 21:28:09,905 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:28:15,477 INFO L130 PetriNetUnfolder]: 31635/75444 cut-off events. [2023-08-31 21:28:15,477 INFO L131 PetriNetUnfolder]: For 16841/17023 co-relation queries the response was YES. [2023-08-31 21:28:15,764 INFO L83 FinitePrefix]: Finished finitePrefix Result has 137586 conditions, 75444 events. 31635/75444 cut-off events. For 16841/17023 co-relation queries the response was YES. Maximal size of possible extension queue 1979. Compared 897471 event pairs, 16262 based on Foata normal form. 672/69513 useless extension candidates. Maximal degree in co-relation 137578. Up to 28742 conditions per place. [2023-08-31 21:28:16,092 INFO L137 encePairwiseOnDemand]: 1114/1119 looper letters, 144 selfloop transitions, 4 changer transitions 0/266 dead transitions. [2023-08-31 21:28:16,093 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 266 transitions, 960 flow [2023-08-31 21:28:16,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-31 21:28:16,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-31 21:28:16,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2995 transitions. [2023-08-31 21:28:16,099 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5352993744414656 [2023-08-31 21:28:16,099 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2995 transitions. [2023-08-31 21:28:16,099 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2995 transitions. [2023-08-31 21:28:16,100 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:28:16,101 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2995 transitions. [2023-08-31 21:28:16,105 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 599.0) internal successors, (2995), 5 states have internal predecessors, (2995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:16,111 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 1119.0) internal successors, (6714), 6 states have internal predecessors, (6714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:16,113 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 1119.0) internal successors, (6714), 6 states have internal predecessors, (6714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:16,113 INFO L175 Difference]: Start difference. First operand has 181 places, 179 transitions, 417 flow. Second operand 5 states and 2995 transitions. [2023-08-31 21:28:16,113 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 266 transitions, 960 flow [2023-08-31 21:28:16,429 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 266 transitions, 960 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:28:16,431 INFO L231 Difference]: Finished difference. Result has 188 places, 182 transitions, 446 flow [2023-08-31 21:28:16,431 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1119, PETRI_DIFFERENCE_MINUEND_FLOW=417, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=446, PETRI_PLACES=188, PETRI_TRANSITIONS=182} [2023-08-31 21:28:16,432 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, -27 predicate places. [2023-08-31 21:28:16,432 INFO L495 AbstractCegarLoop]: Abstraction has has 188 places, 182 transitions, 446 flow [2023-08-31 21:28:16,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 574.0) internal successors, (2870), 5 states have internal predecessors, (2870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:16,433 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:28:16,433 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] [2023-08-31 21:28:16,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-31 21:28:16,433 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2023-08-31 21:28:16,433 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:28:16,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1118685393, now seen corresponding path program 1 times [2023-08-31 21:28:16,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:28:16,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820733905] [2023-08-31 21:28:16,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:28:16,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:28:16,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:28:16,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-31 21:28:16,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:28:16,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820733905] [2023-08-31 21:28:16,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820733905] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:28:16,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:28:16,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-31 21:28:16,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769637205] [2023-08-31 21:28:16,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:28:16,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:28:16,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:28:16,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:28:16,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:28:16,859 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 564 out of 1119 [2023-08-31 21:28:16,862 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 182 transitions, 446 flow. Second operand has 6 states, 6 states have (on average 565.8333333333334) internal successors, (3395), 6 states have internal predecessors, (3395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:16,862 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:28:16,862 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 564 of 1119 [2023-08-31 21:28:16,862 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:28:31,254 INFO L130 PetriNetUnfolder]: 81198/181420 cut-off events. [2023-08-31 21:28:31,254 INFO L131 PetriNetUnfolder]: For 56026/56256 co-relation queries the response was YES. [2023-08-31 21:28:32,123 INFO L83 FinitePrefix]: Finished finitePrefix Result has 350021 conditions, 181420 events. 81198/181420 cut-off events. For 56026/56256 co-relation queries the response was YES. Maximal size of possible extension queue 4774. Compared 2328317 event pairs, 27935 based on Foata normal form. 1336/168873 useless extension candidates. Maximal degree in co-relation 350009. Up to 42943 conditions per place. [2023-08-31 21:28:32,821 INFO L137 encePairwiseOnDemand]: 1110/1119 looper letters, 295 selfloop transitions, 17 changer transitions 0/430 dead transitions. [2023-08-31 21:28:32,821 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 430 transitions, 1793 flow [2023-08-31 21:28:32,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-31 21:28:32,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-31 21:28:32,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 5353 transitions. [2023-08-31 21:28:32,828 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5315261642339391 [2023-08-31 21:28:32,828 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 5353 transitions. [2023-08-31 21:28:32,828 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 5353 transitions. [2023-08-31 21:28:32,830 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:28:32,830 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 5353 transitions. [2023-08-31 21:28:32,837 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 594.7777777777778) internal successors, (5353), 9 states have internal predecessors, (5353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:32,847 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 1119.0) internal successors, (11190), 10 states have internal predecessors, (11190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:32,848 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 1119.0) internal successors, (11190), 10 states have internal predecessors, (11190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:32,849 INFO L175 Difference]: Start difference. First operand has 188 places, 182 transitions, 446 flow. Second operand 9 states and 5353 transitions. [2023-08-31 21:28:32,849 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 430 transitions, 1793 flow [2023-08-31 21:28:37,118 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 430 transitions, 1789 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-31 21:28:37,122 INFO L231 Difference]: Finished difference. Result has 199 places, 197 transitions, 573 flow [2023-08-31 21:28:37,123 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1119, PETRI_DIFFERENCE_MINUEND_FLOW=442, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=573, PETRI_PLACES=199, PETRI_TRANSITIONS=197} [2023-08-31 21:28:37,123 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, -16 predicate places. [2023-08-31 21:28:37,123 INFO L495 AbstractCegarLoop]: Abstraction has has 199 places, 197 transitions, 573 flow [2023-08-31 21:28:37,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 565.8333333333334) internal successors, (3395), 6 states have internal predecessors, (3395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:37,124 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:28:37,124 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] [2023-08-31 21:28:37,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-31 21:28:37,124 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2023-08-31 21:28:37,125 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:28:37,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1960183609, now seen corresponding path program 1 times [2023-08-31 21:28:37,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:28:37,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665260046] [2023-08-31 21:28:37,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:28:37,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:28:37,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:28:37,537 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-31 21:28:37,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:28:37,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665260046] [2023-08-31 21:28:37,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665260046] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:28:37,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:28:37,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:28:37,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974066043] [2023-08-31 21:28:37,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:28:37,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:28:37,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:28:37,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:28:37,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:28:38,134 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 560 out of 1119 [2023-08-31 21:28:38,136 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 197 transitions, 573 flow. Second operand has 6 states, 6 states have (on average 562.8333333333334) internal successors, (3377), 6 states have internal predecessors, (3377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:38,136 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:28:38,136 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 560 of 1119 [2023-08-31 21:28:38,136 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:28:57,095 INFO L130 PetriNetUnfolder]: 93109/224078 cut-off events. [2023-08-31 21:28:57,095 INFO L131 PetriNetUnfolder]: For 103849/104257 co-relation queries the response was YES. [2023-08-31 21:28:58,302 INFO L83 FinitePrefix]: Finished finitePrefix Result has 437272 conditions, 224078 events. 93109/224078 cut-off events. For 103849/104257 co-relation queries the response was YES. Maximal size of possible extension queue 5390. Compared 3072841 event pairs, 62072 based on Foata normal form. 0/206639 useless extension candidates. Maximal degree in co-relation 437256. Up to 107340 conditions per place. [2023-08-31 21:28:59,299 INFO L137 encePairwiseOnDemand]: 1112/1119 looper letters, 228 selfloop transitions, 5 changer transitions 0/339 dead transitions. [2023-08-31 21:28:59,299 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 339 transitions, 1433 flow [2023-08-31 21:28:59,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:28:59,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:28:59,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3559 transitions. [2023-08-31 21:28:59,304 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5300863866547513 [2023-08-31 21:28:59,304 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3559 transitions. [2023-08-31 21:28:59,304 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3559 transitions. [2023-08-31 21:28:59,305 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:28:59,305 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3559 transitions. [2023-08-31 21:28:59,309 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 593.1666666666666) internal successors, (3559), 6 states have internal predecessors, (3559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:59,314 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1119.0) internal successors, (7833), 7 states have internal predecessors, (7833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:59,315 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1119.0) internal successors, (7833), 7 states have internal predecessors, (7833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:59,315 INFO L175 Difference]: Start difference. First operand has 199 places, 197 transitions, 573 flow. Second operand 6 states and 3559 transitions. [2023-08-31 21:28:59,315 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 339 transitions, 1433 flow [2023-08-31 21:28:59,746 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 339 transitions, 1431 flow, removed 1 selfloop flow, removed 0 redundant places. [2023-08-31 21:28:59,749 INFO L231 Difference]: Finished difference. Result has 202 places, 195 transitions, 577 flow [2023-08-31 21:28:59,749 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1119, PETRI_DIFFERENCE_MINUEND_FLOW=567, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=577, PETRI_PLACES=202, PETRI_TRANSITIONS=195} [2023-08-31 21:28:59,750 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, -13 predicate places. [2023-08-31 21:28:59,750 INFO L495 AbstractCegarLoop]: Abstraction has has 202 places, 195 transitions, 577 flow [2023-08-31 21:28:59,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 562.8333333333334) internal successors, (3377), 6 states have internal predecessors, (3377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:59,751 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:28:59,751 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] [2023-08-31 21:28:59,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-31 21:28:59,751 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2023-08-31 21:28:59,751 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:28:59,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1577577615, now seen corresponding path program 1 times [2023-08-31 21:28:59,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:28:59,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857765386] [2023-08-31 21:28:59,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:28:59,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:28:59,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:28:59,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:28:59,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:28:59,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857765386] [2023-08-31 21:28:59,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857765386] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:28:59,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:28:59,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-31 21:28:59,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139467837] [2023-08-31 21:28:59,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:28:59,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-31 21:28:59,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:28:59,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-31 21:28:59,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-08-31 21:29:00,032 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 572 out of 1119 [2023-08-31 21:29:00,034 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 195 transitions, 577 flow. Second operand has 5 states, 5 states have (on average 574.4) internal successors, (2872), 5 states have internal predecessors, (2872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:29:00,034 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:29:00,034 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 572 of 1119 [2023-08-31 21:29:00,034 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:29:12,483 INFO L130 PetriNetUnfolder]: 60588/153050 cut-off events. [2023-08-31 21:29:12,483 INFO L131 PetriNetUnfolder]: For 73058/73398 co-relation queries the response was YES. [2023-08-31 21:29:13,331 INFO L83 FinitePrefix]: Finished finitePrefix Result has 296963 conditions, 153050 events. 60588/153050 cut-off events. For 73058/73398 co-relation queries the response was YES. Maximal size of possible extension queue 3520. Compared 2036635 event pairs, 43343 based on Foata normal form. 798/142116 useless extension candidates. Maximal degree in co-relation 296946. Up to 70541 conditions per place. [2023-08-31 21:29:13,801 INFO L137 encePairwiseOnDemand]: 1114/1119 looper letters, 154 selfloop transitions, 4 changer transitions 0/274 dead transitions. [2023-08-31 21:29:13,801 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 274 transitions, 1183 flow [2023-08-31 21:29:13,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-31 21:29:13,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-31 21:29:13,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2981 transitions. [2023-08-31 21:29:13,806 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5327971403038427 [2023-08-31 21:29:13,806 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2981 transitions. [2023-08-31 21:29:13,806 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2981 transitions. [2023-08-31 21:29:13,807 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:29:13,807 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2981 transitions. [2023-08-31 21:29:13,810 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 596.2) internal successors, (2981), 5 states have internal predecessors, (2981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:29:13,813 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 1119.0) internal successors, (6714), 6 states have internal predecessors, (6714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:29:13,813 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 1119.0) internal successors, (6714), 6 states have internal predecessors, (6714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:29:13,813 INFO L175 Difference]: Start difference. First operand has 202 places, 195 transitions, 577 flow. Second operand 5 states and 2981 transitions. [2023-08-31 21:29:13,813 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 274 transitions, 1183 flow [2023-08-31 21:29:14,278 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 274 transitions, 1173 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-31 21:29:14,280 INFO L231 Difference]: Finished difference. Result has 203 places, 196 transitions, 584 flow [2023-08-31 21:29:14,281 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1119, PETRI_DIFFERENCE_MINUEND_FLOW=567, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=584, PETRI_PLACES=203, PETRI_TRANSITIONS=196} [2023-08-31 21:29:14,281 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, -12 predicate places. [2023-08-31 21:29:14,281 INFO L495 AbstractCegarLoop]: Abstraction has has 203 places, 196 transitions, 584 flow [2023-08-31 21:29:14,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 574.4) internal successors, (2872), 5 states have internal predecessors, (2872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:29:14,282 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:29:14,282 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] [2023-08-31 21:29:14,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-31 21:29:14,282 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2023-08-31 21:29:14,282 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:29:14,282 INFO L85 PathProgramCache]: Analyzing trace with hash 850762248, now seen corresponding path program 1 times [2023-08-31 21:29:14,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:29:14,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143128446] [2023-08-31 21:29:14,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:29:14,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:29:14,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:29:14,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-31 21:29:14,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:29:14,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143128446] [2023-08-31 21:29:14,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143128446] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:29:14,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:29:14,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-31 21:29:14,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807459690] [2023-08-31 21:29:14,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:29:14,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:29:14,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:29:14,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:29:14,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:29:14,709 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 564 out of 1119 [2023-08-31 21:29:14,711 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 203 places, 196 transitions, 584 flow. Second operand has 6 states, 6 states have (on average 566.1666666666666) internal successors, (3397), 6 states have internal predecessors, (3397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:29:14,712 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:29:14,712 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 564 of 1119 [2023-08-31 21:29:14,712 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:29:28,637 INFO L130 PetriNetUnfolder]: 66812/155835 cut-off events. [2023-08-31 21:29:28,637 INFO L131 PetriNetUnfolder]: For 87612/88074 co-relation queries the response was YES. [2023-08-31 21:29:29,572 INFO L83 FinitePrefix]: Finished finitePrefix Result has 319178 conditions, 155835 events. 66812/155835 cut-off events. For 87612/88074 co-relation queries the response was YES. Maximal size of possible extension queue 3630. Compared 1984438 event pairs, 38643 based on Foata normal form. 1048/145429 useless extension candidates. Maximal degree in co-relation 319159. Up to 57179 conditions per place. [2023-08-31 21:29:30,294 INFO L137 encePairwiseOnDemand]: 1111/1119 looper letters, 207 selfloop transitions, 11 changer transitions 0/334 dead transitions. [2023-08-31 21:29:30,295 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 334 transitions, 1555 flow [2023-08-31 21:29:30,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:29:30,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:29:30,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3549 transitions. [2023-08-31 21:29:30,299 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5285969615728329 [2023-08-31 21:29:30,299 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3549 transitions. [2023-08-31 21:29:30,299 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3549 transitions. [2023-08-31 21:29:30,299 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:29:30,300 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3549 transitions. [2023-08-31 21:29:30,302 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 591.5) internal successors, (3549), 6 states have internal predecessors, (3549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:29:30,306 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1119.0) internal successors, (7833), 7 states have internal predecessors, (7833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:29:30,307 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1119.0) internal successors, (7833), 7 states have internal predecessors, (7833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:29:30,307 INFO L175 Difference]: Start difference. First operand has 203 places, 196 transitions, 584 flow. Second operand 6 states and 3549 transitions. [2023-08-31 21:29:30,307 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 334 transitions, 1555 flow [2023-08-31 21:29:30,949 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 334 transitions, 1542 flow, removed 4 selfloop flow, removed 2 redundant places. [2023-08-31 21:29:30,951 INFO L231 Difference]: Finished difference. Result has 210 places, 204 transitions, 667 flow [2023-08-31 21:29:30,951 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1119, PETRI_DIFFERENCE_MINUEND_FLOW=577, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=667, PETRI_PLACES=210, PETRI_TRANSITIONS=204} [2023-08-31 21:29:30,951 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, -5 predicate places. [2023-08-31 21:29:30,951 INFO L495 AbstractCegarLoop]: Abstraction has has 210 places, 204 transitions, 667 flow [2023-08-31 21:29:30,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 566.1666666666666) internal successors, (3397), 6 states have internal predecessors, (3397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:29:30,952 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:29:30,952 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] [2023-08-31 21:29:30,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-08-31 21:29:30,952 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2023-08-31 21:29:30,952 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:29:30,952 INFO L85 PathProgramCache]: Analyzing trace with hash 902904208, now seen corresponding path program 1 times [2023-08-31 21:29:30,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:29:30,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585560772] [2023-08-31 21:29:30,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:29:30,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:29:30,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:29:31,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:29:31,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:29:31,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585560772] [2023-08-31 21:29:31,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585560772] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:29:31,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:29:31,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-31 21:29:31,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624386794] [2023-08-31 21:29:31,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:29:31,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:29:31,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:29:31,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:29:31,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:29:31,288 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 564 out of 1119 [2023-08-31 21:29:31,290 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 204 transitions, 667 flow. Second operand has 6 states, 6 states have (on average 566.6666666666666) internal successors, (3400), 6 states have internal predecessors, (3400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:29:31,290 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:29:31,290 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 564 of 1119 [2023-08-31 21:29:31,290 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:29:41,128 INFO L130 PetriNetUnfolder]: 47271/112455 cut-off events. [2023-08-31 21:29:41,128 INFO L131 PetriNetUnfolder]: For 94228/94694 co-relation queries the response was YES. [2023-08-31 21:29:41,865 INFO L83 FinitePrefix]: Finished finitePrefix Result has 244251 conditions, 112455 events. 47271/112455 cut-off events. For 94228/94694 co-relation queries the response was YES. Maximal size of possible extension queue 2577. Compared 1379447 event pairs, 29177 based on Foata normal form. 526/104980 useless extension candidates. Maximal degree in co-relation 244228. Up to 50207 conditions per place. [2023-08-31 21:29:42,225 INFO L137 encePairwiseOnDemand]: 1110/1119 looper letters, 267 selfloop transitions, 15 changer transitions 0/398 dead transitions. [2023-08-31 21:29:42,226 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 398 transitions, 2132 flow [2023-08-31 21:29:42,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-31 21:29:42,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-31 21:29:42,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 5868 transitions. [2023-08-31 21:29:42,233 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.524396782841823 [2023-08-31 21:29:42,233 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 5868 transitions. [2023-08-31 21:29:42,233 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 5868 transitions. [2023-08-31 21:29:42,234 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:29:42,234 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 5868 transitions. [2023-08-31 21:29:42,238 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 586.8) internal successors, (5868), 10 states have internal predecessors, (5868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:29:42,245 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 1119.0) internal successors, (12309), 11 states have internal predecessors, (12309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:29:42,246 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 1119.0) internal successors, (12309), 11 states have internal predecessors, (12309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:29:42,246 INFO L175 Difference]: Start difference. First operand has 210 places, 204 transitions, 667 flow. Second operand 10 states and 5868 transitions. [2023-08-31 21:29:42,246 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 398 transitions, 2132 flow [2023-08-31 21:29:42,774 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 398 transitions, 2124 flow, removed 2 selfloop flow, removed 1 redundant places. [2023-08-31 21:29:42,777 INFO L231 Difference]: Finished difference. Result has 220 places, 212 transitions, 727 flow [2023-08-31 21:29:42,778 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1119, PETRI_DIFFERENCE_MINUEND_FLOW=659, PETRI_DIFFERENCE_MINUEND_PLACES=209, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=727, PETRI_PLACES=220, PETRI_TRANSITIONS=212} [2023-08-31 21:29:42,778 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, 5 predicate places. [2023-08-31 21:29:42,778 INFO L495 AbstractCegarLoop]: Abstraction has has 220 places, 212 transitions, 727 flow [2023-08-31 21:29:42,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 566.6666666666666) internal successors, (3400), 6 states have internal predecessors, (3400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:29:42,779 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:29:42,779 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] [2023-08-31 21:29:42,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-08-31 21:29:42,780 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2023-08-31 21:29:42,780 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:29:42,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1323929332, now seen corresponding path program 1 times [2023-08-31 21:29:42,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:29:42,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287578981] [2023-08-31 21:29:42,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:29:42,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:29:42,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:29:43,089 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-31 21:29:43,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:29:43,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287578981] [2023-08-31 21:29:43,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287578981] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:29:43,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:29:43,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:29:43,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363576145] [2023-08-31 21:29:43,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:29:43,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:29:43,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:29:43,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:29:43,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:29:43,685 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 560 out of 1119 [2023-08-31 21:29:43,686 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 212 transitions, 727 flow. Second operand has 6 states, 6 states have (on average 563.1666666666666) internal successors, (3379), 6 states have internal predecessors, (3379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:29:43,686 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:29:43,686 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 560 of 1119 [2023-08-31 21:29:43,687 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:29:56,208 INFO L130 PetriNetUnfolder]: 65513/136913 cut-off events. [2023-08-31 21:29:56,208 INFO L131 PetriNetUnfolder]: For 130401/130966 co-relation queries the response was YES. [2023-08-31 21:29:57,150 INFO L83 FinitePrefix]: Finished finitePrefix Result has 318652 conditions, 136913 events. 65513/136913 cut-off events. For 130401/130966 co-relation queries the response was YES. Maximal size of possible extension queue 2983. Compared 1578292 event pairs, 34305 based on Foata normal form. 34/128009 useless extension candidates. Maximal degree in co-relation 318627. Up to 59951 conditions per place. [2023-08-31 21:29:57,596 INFO L137 encePairwiseOnDemand]: 1112/1119 looper letters, 279 selfloop transitions, 5 changer transitions 0/388 dead transitions. [2023-08-31 21:29:57,597 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 388 transitions, 2016 flow [2023-08-31 21:29:57,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:29:57,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:29:57,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3557 transitions. [2023-08-31 21:29:57,601 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5297885016383675 [2023-08-31 21:29:57,601 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3557 transitions. [2023-08-31 21:29:57,601 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3557 transitions. [2023-08-31 21:29:57,601 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:29:57,601 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3557 transitions. [2023-08-31 21:29:57,604 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 592.8333333333334) internal successors, (3557), 6 states have internal predecessors, (3557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:29:57,607 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1119.0) internal successors, (7833), 7 states have internal predecessors, (7833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:29:57,608 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1119.0) internal successors, (7833), 7 states have internal predecessors, (7833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:29:57,608 INFO L175 Difference]: Start difference. First operand has 220 places, 212 transitions, 727 flow. Second operand 6 states and 3557 transitions. [2023-08-31 21:29:57,608 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 388 transitions, 2016 flow [2023-08-31 21:29:58,396 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 388 transitions, 2012 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 21:29:58,399 INFO L231 Difference]: Finished difference. Result has 222 places, 210 transitions, 729 flow [2023-08-31 21:29:58,399 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1119, PETRI_DIFFERENCE_MINUEND_FLOW=719, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=729, PETRI_PLACES=222, PETRI_TRANSITIONS=210} [2023-08-31 21:29:58,399 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, 7 predicate places. [2023-08-31 21:29:58,399 INFO L495 AbstractCegarLoop]: Abstraction has has 222 places, 210 transitions, 729 flow [2023-08-31 21:29:58,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 563.1666666666666) internal successors, (3379), 6 states have internal predecessors, (3379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:29:58,400 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:29:58,400 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] [2023-08-31 21:29:58,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-08-31 21:29:58,401 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2023-08-31 21:29:58,401 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:29:58,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1796195252, now seen corresponding path program 1 times [2023-08-31 21:29:58,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:29:58,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766259554] [2023-08-31 21:29:58,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:29:58,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:29:58,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:29:58,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-31 21:29:58,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:29:58,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766259554] [2023-08-31 21:29:58,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766259554] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:29:58,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:29:58,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-31 21:29:58,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157923] [2023-08-31 21:29:58,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:29:58,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:29:58,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:29:58,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:29:58,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:29:59,016 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 564 out of 1119 [2023-08-31 21:29:59,018 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 210 transitions, 729 flow. Second operand has 6 states, 6 states have (on average 566.8333333333334) internal successors, (3401), 6 states have internal predecessors, (3401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:29:59,018 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:29:59,018 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 564 of 1119 [2023-08-31 21:29:59,018 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:30:07,397 INFO L130 PetriNetUnfolder]: 39586/92239 cut-off events. [2023-08-31 21:30:07,397 INFO L131 PetriNetUnfolder]: For 88660/89243 co-relation queries the response was YES. [2023-08-31 21:30:08,041 INFO L83 FinitePrefix]: Finished finitePrefix Result has 212002 conditions, 92239 events. 39586/92239 cut-off events. For 88660/89243 co-relation queries the response was YES. Maximal size of possible extension queue 2052. Compared 1084849 event pairs, 25202 based on Foata normal form. 374/87301 useless extension candidates. Maximal degree in co-relation 211976. Up to 41721 conditions per place. [2023-08-31 21:30:08,324 INFO L137 encePairwiseOnDemand]: 1111/1119 looper letters, 183 selfloop transitions, 13 changer transitions 0/310 dead transitions. [2023-08-31 21:30:08,324 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 310 transitions, 1609 flow [2023-08-31 21:30:08,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:30:08,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:30:08,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3520 transitions. [2023-08-31 21:30:08,328 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5242776288352696 [2023-08-31 21:30:08,328 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3520 transitions. [2023-08-31 21:30:08,328 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3520 transitions. [2023-08-31 21:30:08,328 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:30:08,328 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3520 transitions. [2023-08-31 21:30:08,331 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 586.6666666666666) internal successors, (3520), 6 states have internal predecessors, (3520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:08,335 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1119.0) internal successors, (7833), 7 states have internal predecessors, (7833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:08,336 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1119.0) internal successors, (7833), 7 states have internal predecessors, (7833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:08,336 INFO L175 Difference]: Start difference. First operand has 222 places, 210 transitions, 729 flow. Second operand 6 states and 3520 transitions. [2023-08-31 21:30:08,336 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 310 transitions, 1609 flow [2023-08-31 21:30:09,109 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 310 transitions, 1599 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-31 21:30:09,112 INFO L231 Difference]: Finished difference. Result has 225 places, 215 transitions, 798 flow [2023-08-31 21:30:09,112 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1119, PETRI_DIFFERENCE_MINUEND_FLOW=719, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=798, PETRI_PLACES=225, PETRI_TRANSITIONS=215} [2023-08-31 21:30:09,113 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, 10 predicate places. [2023-08-31 21:30:09,113 INFO L495 AbstractCegarLoop]: Abstraction has has 225 places, 215 transitions, 798 flow [2023-08-31 21:30:09,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 566.8333333333334) internal successors, (3401), 6 states have internal predecessors, (3401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:09,114 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:30:09,114 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] [2023-08-31 21:30:09,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-08-31 21:30:09,114 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2023-08-31 21:30:09,114 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:30:09,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1941859054, now seen corresponding path program 1 times [2023-08-31 21:30:09,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:30:09,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917914595] [2023-08-31 21:30:09,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:30:09,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:30:09,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:30:09,394 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-31 21:30:09,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:30:09,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917914595] [2023-08-31 21:30:09,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917914595] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:30:09,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:30:09,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:30:09,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376653202] [2023-08-31 21:30:09,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:30:09,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:30:09,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:30:09,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:30:09,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:30:09,965 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 560 out of 1119 [2023-08-31 21:30:09,966 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 215 transitions, 798 flow. Second operand has 6 states, 6 states have (on average 563.6666666666666) internal successors, (3382), 6 states have internal predecessors, (3382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:09,966 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:30:09,966 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 560 of 1119 [2023-08-31 21:30:09,966 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:30:19,423 INFO L130 PetriNetUnfolder]: 48078/101112 cut-off events. [2023-08-31 21:30:19,424 INFO L131 PetriNetUnfolder]: For 117952/118473 co-relation queries the response was YES. [2023-08-31 21:30:20,212 INFO L83 FinitePrefix]: Finished finitePrefix Result has 247965 conditions, 101112 events. 48078/101112 cut-off events. For 117952/118473 co-relation queries the response was YES. Maximal size of possible extension queue 2382. Compared 1132473 event pairs, 25025 based on Foata normal form. 40/95487 useless extension candidates. Maximal degree in co-relation 247936. Up to 44017 conditions per place. [2023-08-31 21:30:20,785 INFO L137 encePairwiseOnDemand]: 1112/1119 looper letters, 236 selfloop transitions, 5 changer transitions 0/345 dead transitions. [2023-08-31 21:30:20,785 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 345 transitions, 1868 flow [2023-08-31 21:30:20,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:30:20,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:30:20,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3533 transitions. [2023-08-31 21:30:20,789 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5262138814417635 [2023-08-31 21:30:20,790 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3533 transitions. [2023-08-31 21:30:20,790 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3533 transitions. [2023-08-31 21:30:20,790 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:30:20,791 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3533 transitions. [2023-08-31 21:30:20,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 588.8333333333334) internal successors, (3533), 6 states have internal predecessors, (3533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:20,798 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1119.0) internal successors, (7833), 7 states have internal predecessors, (7833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:20,799 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1119.0) internal successors, (7833), 7 states have internal predecessors, (7833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:20,799 INFO L175 Difference]: Start difference. First operand has 225 places, 215 transitions, 798 flow. Second operand 6 states and 3533 transitions. [2023-08-31 21:30:20,799 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 345 transitions, 1868 flow [2023-08-31 21:30:21,723 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 345 transitions, 1859 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-31 21:30:21,726 INFO L231 Difference]: Finished difference. Result has 226 places, 213 transitions, 795 flow [2023-08-31 21:30:21,726 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1119, PETRI_DIFFERENCE_MINUEND_FLOW=785, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=208, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=795, PETRI_PLACES=226, PETRI_TRANSITIONS=213} [2023-08-31 21:30:21,726 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, 11 predicate places. [2023-08-31 21:30:21,727 INFO L495 AbstractCegarLoop]: Abstraction has has 226 places, 213 transitions, 795 flow [2023-08-31 21:30:21,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 563.6666666666666) internal successors, (3382), 6 states have internal predecessors, (3382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:21,727 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:30:21,727 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] [2023-08-31 21:30:21,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-08-31 21:30:21,727 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2023-08-31 21:30:21,728 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:30:21,728 INFO L85 PathProgramCache]: Analyzing trace with hash 985817878, now seen corresponding path program 1 times [2023-08-31 21:30:21,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:30:21,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368976324] [2023-08-31 21:30:21,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:30:21,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:30:21,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:30:21,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-31 21:30:21,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:30:21,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368976324] [2023-08-31 21:30:21,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368976324] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:30:21,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:30:21,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:30:21,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862965929] [2023-08-31 21:30:21,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:30:21,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:30:21,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:30:21,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:30:21,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:30:21,774 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 575 out of 1119 [2023-08-31 21:30:21,776 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 213 transitions, 795 flow. Second operand has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:21,776 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:30:21,776 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 575 of 1119 [2023-08-31 21:30:21,776 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:30:32,595 INFO L130 PetriNetUnfolder]: 56613/118715 cut-off events. [2023-08-31 21:30:32,595 INFO L131 PetriNetUnfolder]: For 132201/132722 co-relation queries the response was YES. [2023-08-31 21:30:33,551 INFO L83 FinitePrefix]: Finished finitePrefix Result has 290930 conditions, 118715 events. 56613/118715 cut-off events. For 132201/132722 co-relation queries the response was YES. Maximal size of possible extension queue 2779. Compared 1348922 event pairs, 20547 based on Foata normal form. 40/114254 useless extension candidates. Maximal degree in co-relation 290901. Up to 47254 conditions per place. [2023-08-31 21:30:34,174 INFO L137 encePairwiseOnDemand]: 1113/1119 looper letters, 159 selfloop transitions, 2 changer transitions 0/262 dead transitions. [2023-08-31 21:30:34,174 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 262 transitions, 1378 flow [2023-08-31 21:30:34,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:30:34,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:30:34,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1827 transitions. [2023-08-31 21:30:34,176 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5442359249329759 [2023-08-31 21:30:34,176 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1827 transitions. [2023-08-31 21:30:34,176 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1827 transitions. [2023-08-31 21:30:34,177 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:30:34,177 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1827 transitions. [2023-08-31 21:30:34,179 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 609.0) internal successors, (1827), 3 states have internal predecessors, (1827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:34,181 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1119.0) internal successors, (4476), 4 states have internal predecessors, (4476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:34,182 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1119.0) internal successors, (4476), 4 states have internal predecessors, (4476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:34,182 INFO L175 Difference]: Start difference. First operand has 226 places, 213 transitions, 795 flow. Second operand 3 states and 1827 transitions. [2023-08-31 21:30:34,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 262 transitions, 1378 flow [2023-08-31 21:30:35,312 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 219 places, 262 transitions, 1366 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-31 21:30:35,314 INFO L231 Difference]: Finished difference. Result has 220 places, 211 transitions, 791 flow [2023-08-31 21:30:35,314 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1119, PETRI_DIFFERENCE_MINUEND_FLOW=777, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=791, PETRI_PLACES=220, PETRI_TRANSITIONS=211} [2023-08-31 21:30:35,314 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, 5 predicate places. [2023-08-31 21:30:35,314 INFO L495 AbstractCegarLoop]: Abstraction has has 220 places, 211 transitions, 791 flow [2023-08-31 21:30:35,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:35,315 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:30:35,315 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] [2023-08-31 21:30:35,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-08-31 21:30:35,315 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2023-08-31 21:30:35,315 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:30:35,315 INFO L85 PathProgramCache]: Analyzing trace with hash -458240615, now seen corresponding path program 1 times [2023-08-31 21:30:35,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:30:35,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256148540] [2023-08-31 21:30:35,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:30:35,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:30:35,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:30:35,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:30:35,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:30:35,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256148540] [2023-08-31 21:30:35,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256148540] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:30:35,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:30:35,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:30:35,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607979720] [2023-08-31 21:30:35,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:30:35,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:30:35,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:30:35,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:30:35,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:30:36,143 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 567 out of 1119 [2023-08-31 21:30:36,145 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 211 transitions, 791 flow. Second operand has 6 states, 6 states have (on average 570.3333333333334) internal successors, (3422), 6 states have internal predecessors, (3422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:36,145 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:30:36,145 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 567 of 1119 [2023-08-31 21:30:36,145 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:30:47,524 INFO L130 PetriNetUnfolder]: 53309/116714 cut-off events. [2023-08-31 21:30:47,524 INFO L131 PetriNetUnfolder]: For 137275/137796 co-relation queries the response was YES. [2023-08-31 21:30:48,612 INFO L83 FinitePrefix]: Finished finitePrefix Result has 284910 conditions, 116714 events. 53309/116714 cut-off events. For 137275/137796 co-relation queries the response was YES. Maximal size of possible extension queue 2683. Compared 1368110 event pairs, 33523 based on Foata normal form. 40/112524 useless extension candidates. Maximal degree in co-relation 284881. Up to 58705 conditions per place. [2023-08-31 21:30:49,146 INFO L137 encePairwiseOnDemand]: 1114/1119 looper letters, 305 selfloop transitions, 4 changer transitions 0/414 dead transitions. [2023-08-31 21:30:49,146 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 414 transitions, 2575 flow [2023-08-31 21:30:49,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:30:49,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:30:49,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3570 transitions. [2023-08-31 21:30:49,181 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5317247542448614 [2023-08-31 21:30:49,181 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3570 transitions. [2023-08-31 21:30:49,181 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3570 transitions. [2023-08-31 21:30:49,182 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:30:49,182 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3570 transitions. [2023-08-31 21:30:49,186 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 595.0) internal successors, (3570), 6 states have internal predecessors, (3570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:49,191 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1119.0) internal successors, (7833), 7 states have internal predecessors, (7833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:49,191 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1119.0) internal successors, (7833), 7 states have internal predecessors, (7833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:49,192 INFO L175 Difference]: Start difference. First operand has 220 places, 211 transitions, 791 flow. Second operand 6 states and 3570 transitions. [2023-08-31 21:30:49,192 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 414 transitions, 2575 flow [2023-08-31 21:30:50,991 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 414 transitions, 2575 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:30:50,994 INFO L231 Difference]: Finished difference. Result has 224 places, 210 transitions, 797 flow [2023-08-31 21:30:50,994 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1119, PETRI_DIFFERENCE_MINUEND_FLOW=789, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=797, PETRI_PLACES=224, PETRI_TRANSITIONS=210} [2023-08-31 21:30:50,995 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, 9 predicate places. [2023-08-31 21:30:50,995 INFO L495 AbstractCegarLoop]: Abstraction has has 224 places, 210 transitions, 797 flow [2023-08-31 21:30:50,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 570.3333333333334) internal successors, (3422), 6 states have internal predecessors, (3422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:50,995 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:30:50,996 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] [2023-08-31 21:30:50,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-08-31 21:30:50,997 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2023-08-31 21:30:50,997 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:30:50,998 INFO L85 PathProgramCache]: Analyzing trace with hash -2122983329, now seen corresponding path program 1 times [2023-08-31 21:30:50,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:30:50,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936264273] [2023-08-31 21:30:50,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:30:50,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:30:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:30:51,419 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-31 21:30:51,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:30:51,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936264273] [2023-08-31 21:30:51,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936264273] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:30:51,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:30:51,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:30:51,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564828211] [2023-08-31 21:30:51,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:30:51,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:30:51,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:30:51,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:30:51,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:30:52,023 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 560 out of 1119 [2023-08-31 21:30:52,024 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 210 transitions, 797 flow. Second operand has 6 states, 6 states have (on average 562.8333333333334) internal successors, (3377), 6 states have internal predecessors, (3377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:52,024 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:30:52,024 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 560 of 1119 [2023-08-31 21:30:52,024 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:31:04,461 INFO L130 PetriNetUnfolder]: 60947/127603 cut-off events. [2023-08-31 21:31:04,461 INFO L131 PetriNetUnfolder]: For 148433/148954 co-relation queries the response was YES. [2023-08-31 21:31:05,512 INFO L83 FinitePrefix]: Finished finitePrefix Result has 317020 conditions, 127603 events. 60947/127603 cut-off events. For 148433/148954 co-relation queries the response was YES. Maximal size of possible extension queue 2564. Compared 1447570 event pairs, 32623 based on Foata normal form. 40/123692 useless extension candidates. Maximal degree in co-relation 316990. Up to 55945 conditions per place. [2023-08-31 21:31:05,930 INFO L137 encePairwiseOnDemand]: 1112/1119 looper letters, 284 selfloop transitions, 5 changer transitions 0/388 dead transitions. [2023-08-31 21:31:05,930 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 388 transitions, 2223 flow [2023-08-31 21:31:05,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:31:05,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:31:05,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3557 transitions. [2023-08-31 21:31:05,933 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5297885016383675 [2023-08-31 21:31:05,933 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3557 transitions. [2023-08-31 21:31:05,933 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3557 transitions. [2023-08-31 21:31:05,934 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:31:05,934 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3557 transitions. [2023-08-31 21:31:05,937 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 592.8333333333334) internal successors, (3557), 6 states have internal predecessors, (3557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:05,940 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1119.0) internal successors, (7833), 7 states have internal predecessors, (7833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:05,941 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1119.0) internal successors, (7833), 7 states have internal predecessors, (7833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:05,941 INFO L175 Difference]: Start difference. First operand has 224 places, 210 transitions, 797 flow. Second operand 6 states and 3557 transitions. [2023-08-31 21:31:05,941 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 388 transitions, 2223 flow [2023-08-31 21:31:07,610 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 388 transitions, 2214 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-31 21:31:07,614 INFO L231 Difference]: Finished difference. Result has 223 places, 208 transitions, 796 flow [2023-08-31 21:31:07,614 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1119, PETRI_DIFFERENCE_MINUEND_FLOW=786, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=796, PETRI_PLACES=223, PETRI_TRANSITIONS=208} [2023-08-31 21:31:07,615 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, 8 predicate places. [2023-08-31 21:31:07,615 INFO L495 AbstractCegarLoop]: Abstraction has has 223 places, 208 transitions, 796 flow [2023-08-31 21:31:07,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 562.8333333333334) internal successors, (3377), 6 states have internal predecessors, (3377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:07,616 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:31:07,616 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, 1] [2023-08-31 21:31:07,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-08-31 21:31:07,616 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2023-08-31 21:31:07,617 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:31:07,617 INFO L85 PathProgramCache]: Analyzing trace with hash -543200486, now seen corresponding path program 1 times [2023-08-31 21:31:07,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:31:07,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755576543] [2023-08-31 21:31:07,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:31:07,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:31:07,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:31:07,867 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-31 21:31:07,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:31:07,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755576543] [2023-08-31 21:31:07,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755576543] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:31:07,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:31:07,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:31:07,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569646141] [2023-08-31 21:31:07,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:31:07,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:31:07,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:31:07,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:31:07,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:31:08,517 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 560 out of 1119 [2023-08-31 21:31:08,519 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 208 transitions, 796 flow. Second operand has 6 states, 6 states have (on average 563.1666666666666) internal successors, (3379), 6 states have internal predecessors, (3379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:08,519 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:31:08,519 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 560 of 1119 [2023-08-31 21:31:08,519 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:31:21,596 INFO L130 PetriNetUnfolder]: 63687/132111 cut-off events. [2023-08-31 21:31:21,596 INFO L131 PetriNetUnfolder]: For 149300/149821 co-relation queries the response was YES. [2023-08-31 21:31:22,678 INFO L83 FinitePrefix]: Finished finitePrefix Result has 325966 conditions, 132111 events. 63687/132111 cut-off events. For 149300/149821 co-relation queries the response was YES. Maximal size of possible extension queue 2733. Compared 1493797 event pairs, 34946 based on Foata normal form. 40/128898 useless extension candidates. Maximal degree in co-relation 325936. Up to 59866 conditions per place. [2023-08-31 21:31:23,080 INFO L137 encePairwiseOnDemand]: 1112/1119 looper letters, 282 selfloop transitions, 5 changer transitions 0/384 dead transitions. [2023-08-31 21:31:23,081 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 384 transitions, 2155 flow [2023-08-31 21:31:23,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:31:23,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:31:23,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3555 transitions. [2023-08-31 21:31:23,084 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5294906166219839 [2023-08-31 21:31:23,084 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3555 transitions. [2023-08-31 21:31:23,084 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3555 transitions. [2023-08-31 21:31:23,084 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:31:23,084 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3555 transitions. [2023-08-31 21:31:23,093 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 592.5) internal successors, (3555), 6 states have internal predecessors, (3555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:23,097 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1119.0) internal successors, (7833), 7 states have internal predecessors, (7833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:23,098 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1119.0) internal successors, (7833), 7 states have internal predecessors, (7833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:23,098 INFO L175 Difference]: Start difference. First operand has 223 places, 208 transitions, 796 flow. Second operand 6 states and 3555 transitions. [2023-08-31 21:31:23,098 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 384 transitions, 2155 flow [2023-08-31 21:31:24,395 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 384 transitions, 2137 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-31 21:31:24,397 INFO L231 Difference]: Finished difference. Result has 221 places, 206 transitions, 792 flow [2023-08-31 21:31:24,398 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1119, PETRI_DIFFERENCE_MINUEND_FLOW=782, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=206, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=792, PETRI_PLACES=221, PETRI_TRANSITIONS=206} [2023-08-31 21:31:24,398 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, 6 predicate places. [2023-08-31 21:31:24,398 INFO L495 AbstractCegarLoop]: Abstraction has has 221 places, 206 transitions, 792 flow [2023-08-31 21:31:24,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 563.1666666666666) internal successors, (3379), 6 states have internal predecessors, (3379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:24,399 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:31:24,399 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, 1] [2023-08-31 21:31:24,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-08-31 21:31:24,399 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting thread3Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2023-08-31 21:31:24,399 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:31:24,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1239467617, now seen corresponding path program 1 times [2023-08-31 21:31:24,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:31:24,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408323267] [2023-08-31 21:31:24,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:31:24,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:31:24,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:31:24,792 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-31 21:31:24,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:31:24,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408323267] [2023-08-31 21:31:24,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408323267] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:31:24,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:31:24,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:31:24,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552025882] [2023-08-31 21:31:24,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:31:24,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:31:24,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:31:24,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:31:24,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:31:25,442 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 560 out of 1119 [2023-08-31 21:31:25,443 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 206 transitions, 792 flow. Second operand has 6 states, 6 states have (on average 563.8333333333334) internal successors, (3383), 6 states have internal predecessors, (3383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:25,443 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:31:25,444 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 560 of 1119 [2023-08-31 21:31:25,444 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:31:36,505 INFO L130 PetriNetUnfolder]: 55641/117446 cut-off events. [2023-08-31 21:31:36,505 INFO L131 PetriNetUnfolder]: For 133842/134363 co-relation queries the response was YES. [2023-08-31 21:31:37,456 INFO L83 FinitePrefix]: Finished finitePrefix Result has 290512 conditions, 117446 events. 55641/117446 cut-off events. For 133842/134363 co-relation queries the response was YES. Maximal size of possible extension queue 2641. Compared 1345411 event pairs, 32020 based on Foata normal form. 40/113818 useless extension candidates. Maximal degree in co-relation 290482. Up to 55282 conditions per place. [2023-08-31 21:31:37,806 INFO L137 encePairwiseOnDemand]: 1112/1119 looper letters, 235 selfloop transitions, 5 changer transitions 0/336 dead transitions. [2023-08-31 21:31:37,806 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 336 transitions, 1868 flow [2023-08-31 21:31:37,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:31:37,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:31:37,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3532 transitions. [2023-08-31 21:31:37,809 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5260649389335716 [2023-08-31 21:31:37,809 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3532 transitions. [2023-08-31 21:31:37,809 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3532 transitions. [2023-08-31 21:31:37,810 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:31:37,810 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3532 transitions. [2023-08-31 21:31:37,812 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 588.6666666666666) internal successors, (3532), 6 states have internal predecessors, (3532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:37,815 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1119.0) internal successors, (7833), 7 states have internal predecessors, (7833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:37,816 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1119.0) internal successors, (7833), 7 states have internal predecessors, (7833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:37,816 INFO L175 Difference]: Start difference. First operand has 221 places, 206 transitions, 792 flow. Second operand 6 states and 3532 transitions. [2023-08-31 21:31:37,816 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 336 transitions, 1868 flow [2023-08-31 21:31:39,057 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 219 places, 336 transitions, 1850 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-31 21:31:39,059 INFO L231 Difference]: Finished difference. Result has 219 places, 204 transitions, 788 flow [2023-08-31 21:31:39,060 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1119, PETRI_DIFFERENCE_MINUEND_FLOW=778, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=199, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=788, PETRI_PLACES=219, PETRI_TRANSITIONS=204} [2023-08-31 21:31:39,060 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, 4 predicate places. [2023-08-31 21:31:39,060 INFO L495 AbstractCegarLoop]: Abstraction has has 219 places, 204 transitions, 788 flow [2023-08-31 21:31:39,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 563.8333333333334) internal successors, (3383), 6 states have internal predecessors, (3383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:39,060 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:31:39,060 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:31:39,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-08-31 21:31:39,061 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2023-08-31 21:31:39,061 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:31:39,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1181916531, now seen corresponding path program 1 times [2023-08-31 21:31:39,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:31:39,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943735727] [2023-08-31 21:31:39,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:31:39,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:31:39,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:31:39,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:31:39,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:31:39,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943735727] [2023-08-31 21:31:39,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943735727] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:31:39,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:31:39,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:31:39,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391411174] [2023-08-31 21:31:39,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:31:39,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:31:39,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:31:39,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:31:39,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:31:39,818 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 567 out of 1119 [2023-08-31 21:31:39,820 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 204 transitions, 788 flow. Second operand has 6 states, 6 states have (on average 571.3333333333334) internal successors, (3428), 6 states have internal predecessors, (3428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:39,820 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:31:39,820 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 567 of 1119 [2023-08-31 21:31:39,820 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:31:50,160 INFO L130 PetriNetUnfolder]: 46779/108457 cut-off events. [2023-08-31 21:31:50,161 INFO L131 PetriNetUnfolder]: For 119590/120111 co-relation queries the response was YES. [2023-08-31 21:31:51,022 INFO L83 FinitePrefix]: Finished finitePrefix Result has 259821 conditions, 108457 events. 46779/108457 cut-off events. For 119590/120111 co-relation queries the response was YES. Maximal size of possible extension queue 2467. Compared 1307440 event pairs, 36190 based on Foata normal form. 40/105010 useless extension candidates. Maximal degree in co-relation 259791. Up to 63007 conditions per place. [2023-08-31 21:31:51,073 INFO L137 encePairwiseOnDemand]: 1114/1119 looper letters, 0 selfloop transitions, 0 changer transitions 327/327 dead transitions. [2023-08-31 21:31:51,074 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 327 transitions, 1968 flow [2023-08-31 21:31:51,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:31:51,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:31:51,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3526 transitions. [2023-08-31 21:31:51,076 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5251712838844206 [2023-08-31 21:31:51,076 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3526 transitions. [2023-08-31 21:31:51,076 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3526 transitions. [2023-08-31 21:31:51,077 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:31:51,077 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3526 transitions. [2023-08-31 21:31:51,079 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 587.6666666666666) internal successors, (3526), 6 states have internal predecessors, (3526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:51,081 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1119.0) internal successors, (7833), 7 states have internal predecessors, (7833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:51,082 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1119.0) internal successors, (7833), 7 states have internal predecessors, (7833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:51,084 INFO L175 Difference]: Start difference. First operand has 219 places, 204 transitions, 788 flow. Second operand 6 states and 3526 transitions. [2023-08-31 21:31:51,085 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 327 transitions, 1968 flow [2023-08-31 21:31:52,079 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 327 transitions, 1942 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-31 21:31:52,081 INFO L231 Difference]: Finished difference. Result has 218 places, 0 transitions, 0 flow [2023-08-31 21:31:52,081 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1119, PETRI_DIFFERENCE_MINUEND_FLOW=776, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=218, PETRI_TRANSITIONS=0} [2023-08-31 21:31:52,082 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, 3 predicate places. [2023-08-31 21:31:52,082 INFO L495 AbstractCegarLoop]: Abstraction has has 218 places, 0 transitions, 0 flow [2023-08-31 21:31:52,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 571.3333333333334) internal successors, (3428), 6 states have internal predecessors, (3428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:52,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (106 of 107 remaining) [2023-08-31 21:31:52,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (105 of 107 remaining) [2023-08-31 21:31:52,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (104 of 107 remaining) [2023-08-31 21:31:52,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (103 of 107 remaining) [2023-08-31 21:31:52,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (102 of 107 remaining) [2023-08-31 21:31:52,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (101 of 107 remaining) [2023-08-31 21:31:52,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (100 of 107 remaining) [2023-08-31 21:31:52,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (99 of 107 remaining) [2023-08-31 21:31:52,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (98 of 107 remaining) [2023-08-31 21:31:52,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (97 of 107 remaining) [2023-08-31 21:31:52,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (96 of 107 remaining) [2023-08-31 21:31:52,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (95 of 107 remaining) [2023-08-31 21:31:52,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (94 of 107 remaining) [2023-08-31 21:31:52,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (93 of 107 remaining) [2023-08-31 21:31:52,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (92 of 107 remaining) [2023-08-31 21:31:52,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (91 of 107 remaining) [2023-08-31 21:31:52,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (90 of 107 remaining) [2023-08-31 21:31:52,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (89 of 107 remaining) [2023-08-31 21:31:52,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (88 of 107 remaining) [2023-08-31 21:31:52,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (87 of 107 remaining) [2023-08-31 21:31:52,088 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (86 of 107 remaining) [2023-08-31 21:31:52,088 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (85 of 107 remaining) [2023-08-31 21:31:52,088 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (84 of 107 remaining) [2023-08-31 21:31:52,088 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (83 of 107 remaining) [2023-08-31 21:31:52,088 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (82 of 107 remaining) [2023-08-31 21:31:52,088 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (81 of 107 remaining) [2023-08-31 21:31:52,089 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (80 of 107 remaining) [2023-08-31 21:31:52,089 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (79 of 107 remaining) [2023-08-31 21:31:52,089 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (78 of 107 remaining) [2023-08-31 21:31:52,089 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (77 of 107 remaining) [2023-08-31 21:31:52,089 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (76 of 107 remaining) [2023-08-31 21:31:52,089 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (75 of 107 remaining) [2023-08-31 21:31:52,089 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (74 of 107 remaining) [2023-08-31 21:31:52,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (73 of 107 remaining) [2023-08-31 21:31:52,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (72 of 107 remaining) [2023-08-31 21:31:52,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (71 of 107 remaining) [2023-08-31 21:31:52,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (70 of 107 remaining) [2023-08-31 21:31:52,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (69 of 107 remaining) [2023-08-31 21:31:52,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (68 of 107 remaining) [2023-08-31 21:31:52,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (67 of 107 remaining) [2023-08-31 21:31:52,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (66 of 107 remaining) [2023-08-31 21:31:52,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (65 of 107 remaining) [2023-08-31 21:31:52,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (64 of 107 remaining) [2023-08-31 21:31:52,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (63 of 107 remaining) [2023-08-31 21:31:52,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (62 of 107 remaining) [2023-08-31 21:31:52,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (61 of 107 remaining) [2023-08-31 21:31:52,092 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (60 of 107 remaining) [2023-08-31 21:31:52,092 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (59 of 107 remaining) [2023-08-31 21:31:52,092 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (58 of 107 remaining) [2023-08-31 21:31:52,092 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (57 of 107 remaining) [2023-08-31 21:31:52,092 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (56 of 107 remaining) [2023-08-31 21:31:52,092 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (55 of 107 remaining) [2023-08-31 21:31:52,092 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (54 of 107 remaining) [2023-08-31 21:31:52,093 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (53 of 107 remaining) [2023-08-31 21:31:52,093 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (52 of 107 remaining) [2023-08-31 21:31:52,093 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (51 of 107 remaining) [2023-08-31 21:31:52,093 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (50 of 107 remaining) [2023-08-31 21:31:52,093 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (49 of 107 remaining) [2023-08-31 21:31:52,093 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (48 of 107 remaining) [2023-08-31 21:31:52,094 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (47 of 107 remaining) [2023-08-31 21:31:52,094 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (46 of 107 remaining) [2023-08-31 21:31:52,094 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (45 of 107 remaining) [2023-08-31 21:31:52,094 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (44 of 107 remaining) [2023-08-31 21:31:52,094 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (43 of 107 remaining) [2023-08-31 21:31:52,094 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (42 of 107 remaining) [2023-08-31 21:31:52,094 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (41 of 107 remaining) [2023-08-31 21:31:52,095 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (40 of 107 remaining) [2023-08-31 21:31:52,095 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (39 of 107 remaining) [2023-08-31 21:31:52,095 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (38 of 107 remaining) [2023-08-31 21:31:52,095 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (37 of 107 remaining) [2023-08-31 21:31:52,095 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (36 of 107 remaining) [2023-08-31 21:31:52,095 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (35 of 107 remaining) [2023-08-31 21:31:52,095 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (34 of 107 remaining) [2023-08-31 21:31:52,096 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (33 of 107 remaining) [2023-08-31 21:31:52,096 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (32 of 107 remaining) [2023-08-31 21:31:52,096 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (31 of 107 remaining) [2023-08-31 21:31:52,096 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (30 of 107 remaining) [2023-08-31 21:31:52,096 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (29 of 107 remaining) [2023-08-31 21:31:52,096 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (28 of 107 remaining) [2023-08-31 21:31:52,096 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (27 of 107 remaining) [2023-08-31 21:31:52,097 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (26 of 107 remaining) [2023-08-31 21:31:52,097 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (25 of 107 remaining) [2023-08-31 21:31:52,097 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (24 of 107 remaining) [2023-08-31 21:31:52,097 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (23 of 107 remaining) [2023-08-31 21:31:52,097 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (22 of 107 remaining) [2023-08-31 21:31:52,097 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (21 of 107 remaining) [2023-08-31 21:31:52,097 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (20 of 107 remaining) [2023-08-31 21:31:52,098 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (19 of 107 remaining) [2023-08-31 21:31:52,098 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (18 of 107 remaining) [2023-08-31 21:31:52,098 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (17 of 107 remaining) [2023-08-31 21:31:52,098 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (16 of 107 remaining) [2023-08-31 21:31:52,098 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (15 of 107 remaining) [2023-08-31 21:31:52,098 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (14 of 107 remaining) [2023-08-31 21:31:52,099 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (13 of 107 remaining) [2023-08-31 21:31:52,099 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (12 of 107 remaining) [2023-08-31 21:31:52,099 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (11 of 107 remaining) [2023-08-31 21:31:52,099 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (10 of 107 remaining) [2023-08-31 21:31:52,099 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (9 of 107 remaining) [2023-08-31 21:31:52,099 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (8 of 107 remaining) [2023-08-31 21:31:52,099 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (7 of 107 remaining) [2023-08-31 21:31:52,100 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (6 of 107 remaining) [2023-08-31 21:31:52,100 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (5 of 107 remaining) [2023-08-31 21:31:52,100 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (4 of 107 remaining) [2023-08-31 21:31:52,100 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (3 of 107 remaining) [2023-08-31 21:31:52,100 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (2 of 107 remaining) [2023-08-31 21:31:52,100 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (1 of 107 remaining) [2023-08-31 21:31:52,100 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (0 of 107 remaining) [2023-08-31 21:31:52,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-08-31 21:31:52,101 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] [2023-08-31 21:31:52,106 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-31 21:31:52,106 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-31 21:31:52,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.08 09:31:52 BasicIcfg [2023-08-31 21:31:52,110 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-31 21:31:52,111 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-31 21:31:52,111 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-31 21:31:52,111 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-31 21:31:52,111 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:27:23" (3/4) ... [2023-08-31 21:31:52,113 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-31 21:31:52,118 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-31 21:31:52,118 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-31 21:31:52,118 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-08-31 21:31:52,126 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2023-08-31 21:31:52,129 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-31 21:31:52,129 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-31 21:31:52,130 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-31 21:31:52,167 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-31 21:31:52,167 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-31 21:31:52,168 INFO L158 Benchmark]: Toolchain (without parser) took 270289.49ms. Allocated memory was 71.3MB in the beginning and 16.1GB in the end (delta: 16.0GB). Free memory was 47.8MB in the beginning and 9.6GB in the end (delta: -9.5GB). Peak memory consumption was 6.5GB. Max. memory is 16.1GB. [2023-08-31 21:31:52,168 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 71.3MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 21:31:52,169 INFO L158 Benchmark]: CACSL2BoogieTranslator took 355.60ms. Allocated memory is still 71.3MB. Free memory was 47.8MB in the beginning and 34.3MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-31 21:31:52,169 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.70ms. Allocated memory is still 71.3MB. Free memory was 34.3MB in the beginning and 29.9MB in the end (delta: 4.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-31 21:31:52,169 INFO L158 Benchmark]: Boogie Preprocessor took 66.79ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 29.6MB in the beginning and 69.4MB in the end (delta: -39.8MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2023-08-31 21:31:52,169 INFO L158 Benchmark]: RCFGBuilder took 1021.92ms. Allocated memory is still 92.3MB. Free memory was 69.4MB in the beginning and 53.1MB in the end (delta: 16.3MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. [2023-08-31 21:31:52,170 INFO L158 Benchmark]: TraceAbstraction took 268712.70ms. Allocated memory was 92.3MB in the beginning and 16.1GB in the end (delta: 16.0GB). Free memory was 52.6MB in the beginning and 9.6GB in the end (delta: -9.5GB). Peak memory consumption was 6.9GB. Max. memory is 16.1GB. [2023-08-31 21:31:52,170 INFO L158 Benchmark]: Witness Printer took 57.07ms. Allocated memory is still 16.1GB. Free memory was 9.6GB in the beginning and 9.6GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-31 21:31:52,172 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 71.3MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 355.60ms. Allocated memory is still 71.3MB. Free memory was 47.8MB in the beginning and 34.3MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.70ms. Allocated memory is still 71.3MB. Free memory was 34.3MB in the beginning and 29.9MB in the end (delta: 4.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.79ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 29.6MB in the beginning and 69.4MB in the end (delta: -39.8MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * RCFGBuilder took 1021.92ms. Allocated memory is still 92.3MB. Free memory was 69.4MB in the beginning and 53.1MB in the end (delta: 16.3MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. * TraceAbstraction took 268712.70ms. Allocated memory was 92.3MB in the beginning and 16.1GB in the end (delta: 16.0GB). Free memory was 52.6MB in the beginning and 9.6GB in the end (delta: -9.5GB). Peak memory consumption was 6.9GB. Max. memory is 16.1GB. * Witness Printer took 57.07ms. Allocated memory is still 16.1GB. Free memory was 9.6GB in the beginning and 9.6GB in the end (delta: 5.2MB). 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: 11.2s, 571 PlacesBefore, 215 PlacesAfterwards, 592 TransitionsBefore, 220 TransitionsAfterwards, 85536 CoEnabledTransitionPairs, 8 FixpointIterations, 234 TrivialSequentialCompositions, 191 ConcurrentSequentialCompositions, 27 TrivialYvCompositions, 36 ConcurrentYvCompositions, 16 ChoiceCompositions, 504 TotalNumberOfCompositions, 490161 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 118079, independent: 115115, independent conditional: 0, independent unconditional: 115115, dependent: 2964, dependent conditional: 0, dependent unconditional: 2964, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 41914, independent: 41603, independent conditional: 0, independent unconditional: 41603, dependent: 311, dependent conditional: 0, dependent unconditional: 311, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 118079, independent: 73512, independent conditional: 0, independent unconditional: 73512, dependent: 2653, dependent conditional: 0, dependent unconditional: 2653, unknown: 41914, unknown conditional: 0, unknown unconditional: 41914] , Statistics on independence cache: Total cache size (in pairs): 5675, Positive cache size: 5481, Positive conditional cache size: 0, Positive unconditional cache size: 5481, Negative cache size: 194, Negative conditional cache size: 0, Negative unconditional cache size: 194, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - 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: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: 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: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: 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, 895 locations, 107 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: 268.5s, OverallIterations: 25, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 252.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8325 SdHoareTripleChecker+Valid, 12.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5511 mSDsluCounter, 1905 SdHoareTripleChecker+Invalid, 9.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1631 mSDsCounter, 2428 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15346 IncrementalHoareTripleChecker+Invalid, 17774 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2428 mSolverCounterUnsat, 274 mSDtfsCounter, 15346 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=798occurred in iteration=18, InterpolantAutomatonStates: 124, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 525 NumberOfCodeBlocks, 525 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 500 ConstructedInterpolants, 0 QuantifiedInterpolants, 1782 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 62 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-31 21:31:52,200 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE