./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-atomic/lamport.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --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/pthread-atomic/lamport.i -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 c35b909c90b92e30d40b0275e3d226db26dbebaf39dc73a31d7e72eee871d214 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-28 17:52:16,663 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-28 17:52:16,665 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-28 17:52:16,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-28 17:52:16,690 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-28 17:52:16,691 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-28 17:52:16,692 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-28 17:52:16,693 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-28 17:52:16,695 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-28 17:52:16,695 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-28 17:52:16,696 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-28 17:52:16,697 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-28 17:52:16,698 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-28 17:52:16,698 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-28 17:52:16,699 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-28 17:52:16,700 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-28 17:52:16,701 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-28 17:52:16,702 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-28 17:52:16,703 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-28 17:52:16,705 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-28 17:52:16,706 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-28 17:52:16,707 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-28 17:52:16,718 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-28 17:52:16,719 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-28 17:52:16,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-28 17:52:16,727 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-28 17:52:16,728 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-28 17:52:16,729 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-28 17:52:16,730 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-28 17:52:16,731 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-28 17:52:16,731 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-28 17:52:16,732 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-28 17:52:16,733 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-28 17:52:16,734 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-28 17:52:16,735 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-28 17:52:16,738 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-28 17:52:16,738 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-28 17:52:16,739 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-28 17:52:16,739 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-28 17:52:16,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-28 17:52:16,741 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-28 17:52:16,742 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-28 17:52:16,775 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-28 17:52:16,775 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-28 17:52:16,776 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-28 17:52:16,776 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-28 17:52:16,777 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-28 17:52:16,777 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-28 17:52:16,778 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-28 17:52:16,779 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-28 17:52:16,779 INFO L138 SettingsManager]: * Use SBE=true [2023-08-28 17:52:16,779 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-28 17:52:16,780 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-28 17:52:16,780 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-28 17:52:16,780 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-28 17:52:16,780 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-28 17:52:16,781 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-28 17:52:16,781 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-28 17:52:16,781 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-28 17:52:16,781 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-28 17:52:16,781 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-28 17:52:16,781 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-28 17:52:16,782 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-28 17:52:16,782 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-28 17:52:16,782 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-28 17:52:16,782 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-28 17:52:16,782 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-28 17:52:16,783 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-28 17:52:16,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-28 17:52:16,783 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-28 17:52:16,783 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-28 17:52:16,783 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-28 17:52:16,784 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-28 17:52:16,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-28 17:52:16,784 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-28 17:52:16,784 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-28 17:52:16,784 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-28 17:52:16,785 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-28 17:52:16,785 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-28 17:52:16,785 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c35b909c90b92e30d40b0275e3d226db26dbebaf39dc73a31d7e72eee871d214 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-28 17:52:17,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-28 17:52:17,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-28 17:52:17,135 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-28 17:52:17,136 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-28 17:52:17,136 INFO L275 PluginConnector]: CDTParser initialized [2023-08-28 17:52:17,138 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/lamport.i [2023-08-28 17:52:18,171 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-28 17:52:18,414 INFO L351 CDTParser]: Found 1 translation units. [2023-08-28 17:52:18,414 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/lamport.i [2023-08-28 17:52:18,424 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e25bc686/48f70608b7ee45b98c9062674f9b79e2/FLAG5b935e6bf [2023-08-28 17:52:18,438 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e25bc686/48f70608b7ee45b98c9062674f9b79e2 [2023-08-28 17:52:18,439 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-28 17:52:18,441 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-28 17:52:18,445 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-28 17:52:18,446 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-28 17:52:18,449 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-28 17:52:18,449 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.08 05:52:18" (1/1) ... [2023-08-28 17:52:18,451 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a71bf4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:52:18, skipping insertion in model container [2023-08-28 17:52:18,451 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.08 05:52:18" (1/1) ... [2023-08-28 17:52:18,456 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-28 17:52:18,518 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-28 17:52:18,637 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-28 17:52:18,791 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/lamport.i[32156,32169] [2023-08-28 17:52:18,799 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/lamport.i[34083,34096] [2023-08-28 17:52:18,814 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-28 17:52:18,823 INFO L203 MainTranslator]: Completed pre-run [2023-08-28 17:52:18,846 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-28 17:52:18,872 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/lamport.i[32156,32169] [2023-08-28 17:52:18,893 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/lamport.i[34083,34096] [2023-08-28 17:52:18,897 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-28 17:52:18,949 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-28 17:52:18,950 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-28 17:52:18,950 WARN L667 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-08-28 17:52:18,956 INFO L208 MainTranslator]: Completed translation [2023-08-28 17:52:18,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:52:18 WrapperNode [2023-08-28 17:52:18,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-28 17:52:18,958 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-28 17:52:18,959 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-28 17:52:18,959 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-28 17:52:18,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:52:18" (1/1) ... [2023-08-28 17:52:18,998 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:52:18" (1/1) ... [2023-08-28 17:52:19,022 INFO L138 Inliner]: procedures = 171, calls = 83, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2023-08-28 17:52:19,023 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-28 17:52:19,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-28 17:52:19,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-28 17:52:19,025 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-28 17:52:19,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:52:18" (1/1) ... [2023-08-28 17:52:19,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:52:18" (1/1) ... [2023-08-28 17:52:19,049 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:52:18" (1/1) ... [2023-08-28 17:52:19,051 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:52:18" (1/1) ... [2023-08-28 17:52:19,057 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:52:18" (1/1) ... [2023-08-28 17:52:19,070 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:52:18" (1/1) ... [2023-08-28 17:52:19,072 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:52:18" (1/1) ... [2023-08-28 17:52:19,073 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:52:18" (1/1) ... [2023-08-28 17:52:19,075 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-28 17:52:19,076 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-28 17:52:19,076 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-28 17:52:19,076 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-28 17:52:19,077 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:52:18" (1/1) ... [2023-08-28 17:52:19,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-28 17:52:19,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-28 17:52:19,104 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) [2023-08-28 17:52:19,108 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 [2023-08-28 17:52:19,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-28 17:52:19,131 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2023-08-28 17:52:19,131 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2023-08-28 17:52:19,131 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-08-28 17:52:19,132 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-08-28 17:52:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-28 17:52:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-28 17:52:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-28 17:52:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-28 17:52:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-28 17:52:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-28 17:52:19,133 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-28 17:52:19,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-28 17:52:19,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-28 17:52:19,134 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-28 17:52:19,284 INFO L236 CfgBuilder]: Building ICFG [2023-08-28 17:52:19,286 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-28 17:52:19,669 INFO L277 CfgBuilder]: Performing block encoding [2023-08-28 17:52:19,725 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-28 17:52:19,732 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-08-28 17:52:19,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.08 05:52:19 BoogieIcfgContainer [2023-08-28 17:52:19,740 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-28 17:52:19,742 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-28 17:52:19,743 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-28 17:52:19,746 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-28 17:52:19,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.08 05:52:18" (1/3) ... [2023-08-28 17:52:19,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2046bc4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.08 05:52:19, skipping insertion in model container [2023-08-28 17:52:19,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 05:52:18" (2/3) ... [2023-08-28 17:52:19,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2046bc4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.08 05:52:19, skipping insertion in model container [2023-08-28 17:52:19,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.08 05:52:19" (3/3) ... [2023-08-28 17:52:19,749 INFO L112 eAbstractionObserver]: Analyzing ICFG lamport.i [2023-08-28 17:52:19,757 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-28 17:52:19,765 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-28 17:52:19,765 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 38 error locations. [2023-08-28 17:52:19,765 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-28 17:52:19,840 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-28 17:52:19,871 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 170 places, 187 transitions, 390 flow [2023-08-28 17:52:19,922 INFO L130 PetriNetUnfolder]: 24/185 cut-off events. [2023-08-28 17:52:19,923 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-28 17:52:19,929 INFO L83 FinitePrefix]: Finished finitePrefix Result has 194 conditions, 185 events. 24/185 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 561 event pairs, 0 based on Foata normal form. 0/123 useless extension candidates. Maximal degree in co-relation 151. Up to 5 conditions per place. [2023-08-28 17:52:19,929 INFO L82 GeneralOperation]: Start removeDead. Operand has 170 places, 187 transitions, 390 flow [2023-08-28 17:52:19,935 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 159 places, 176 transitions, 361 flow [2023-08-28 17:52:19,938 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-28 17:52:19,946 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 159 places, 176 transitions, 361 flow [2023-08-28 17:52:19,948 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 159 places, 176 transitions, 361 flow [2023-08-28 17:52:19,949 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 159 places, 176 transitions, 361 flow [2023-08-28 17:52:19,978 INFO L130 PetriNetUnfolder]: 24/176 cut-off events. [2023-08-28 17:52:19,978 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-28 17:52:19,981 INFO L83 FinitePrefix]: Finished finitePrefix Result has 184 conditions, 176 events. 24/176 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 562 event pairs, 0 based on Foata normal form. 0/114 useless extension candidates. Maximal degree in co-relation 151. Up to 5 conditions per place. [2023-08-28 17:52:19,986 INFO L119 LiptonReduction]: Number of co-enabled transitions 13068 [2023-08-28 17:52:22,392 INFO L134 LiptonReduction]: Checked pairs total: 48898 [2023-08-28 17:52:22,392 INFO L136 LiptonReduction]: Total number of compositions: 104 [2023-08-28 17:52:22,405 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-28 17:52:22,411 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;@45d70e47, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-28 17:52:22,411 INFO L358 AbstractCegarLoop]: Starting to check reachability of 76 error locations. [2023-08-28 17:52:22,414 INFO L130 PetriNetUnfolder]: 1/6 cut-off events. [2023-08-28 17:52:22,415 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-28 17:52:22,415 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-28 17:52:22,415 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-28 17:52:22,416 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-08-28 17:52:22,420 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-28 17:52:22,420 INFO L85 PathProgramCache]: Analyzing trace with hash 29414986, now seen corresponding path program 1 times [2023-08-28 17:52:22,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-28 17:52:22,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866858083] [2023-08-28 17:52:22,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-28 17:52:22,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-28 17:52:22,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-28 17:52:22,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-28 17:52:22,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-28 17:52:22,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866858083] [2023-08-28 17:52:22,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866858083] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-28 17:52:22,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-28 17:52:22,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-28 17:52:22,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961520975] [2023-08-28 17:52:22,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-28 17:52:22,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-28 17:52:22,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-28 17:52:22,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-28 17:52:22,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-28 17:52:22,592 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 291 [2023-08-28 17:52:22,594 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 106 transitions, 221 flow. Second operand has 2 states, 2 states have (on average 109.0) internal successors, (218), 2 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-28 17:52:22,594 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-28 17:52:22,594 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 291 [2023-08-28 17:52:22,595 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-28 17:52:22,985 INFO L130 PetriNetUnfolder]: 1917/3168 cut-off events. [2023-08-28 17:52:22,985 INFO L131 PetriNetUnfolder]: For 46/46 co-relation queries the response was YES. [2023-08-28 17:52:22,991 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6128 conditions, 3168 events. 1917/3168 cut-off events. For 46/46 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 15802 event pairs, 1383 based on Foata normal form. 0/2496 useless extension candidates. Maximal degree in co-relation 5904. Up to 2891 conditions per place. [2023-08-28 17:52:23,006 INFO L137 encePairwiseOnDemand]: 253/291 looper letters, 59 selfloop transitions, 0 changer transitions 0/68 dead transitions. [2023-08-28 17:52:23,006 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 68 transitions, 263 flow [2023-08-28 17:52:23,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-28 17:52:23,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-28 17:52:23,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 311 transitions. [2023-08-28 17:52:23,023 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5343642611683849 [2023-08-28 17:52:23,024 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 311 transitions. [2023-08-28 17:52:23,024 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 311 transitions. [2023-08-28 17:52:23,027 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-28 17:52:23,029 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 311 transitions. [2023-08-28 17:52:23,033 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 155.5) internal successors, (311), 2 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-28 17:52:23,037 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 291.0) internal successors, (873), 3 states have internal predecessors, (873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-28 17:52:23,037 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 291.0) internal successors, (873), 3 states have internal predecessors, (873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-28 17:52:23,058 INFO L175 Difference]: Start difference. First operand has 97 places, 106 transitions, 221 flow. Second operand 2 states and 311 transitions. [2023-08-28 17:52:23,059 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 68 transitions, 263 flow [2023-08-28 17:52:23,063 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 68 transitions, 258 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-28 17:52:23,065 INFO L231 Difference]: Finished difference. Result has 61 places, 68 transitions, 140 flow [2023-08-28 17:52:23,069 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=291, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=140, PETRI_PLACES=61, PETRI_TRANSITIONS=68} [2023-08-28 17:52:23,072 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -36 predicate places. [2023-08-28 17:52:23,073 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 68 transitions, 140 flow [2023-08-28 17:52:23,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 109.0) internal successors, (218), 2 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-28 17:52:23,074 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-28 17:52:23,074 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-28 17:52:23,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-28 17:52:23,075 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-08-28 17:52:23,076 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-28 17:52:23,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1775165835, now seen corresponding path program 1 times [2023-08-28 17:52:23,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-28 17:52:23,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076081904] [2023-08-28 17:52:23,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-28 17:52:23,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-28 17:52:23,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-28 17:52:23,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-28 17:52:23,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-28 17:52:23,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076081904] [2023-08-28 17:52:23,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076081904] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-28 17:52:23,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-28 17:52:23,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-28 17:52:23,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493932773] [2023-08-28 17:52:23,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-28 17:52:23,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-28 17:52:23,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-28 17:52:23,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-28 17:52:23,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-28 17:52:23,194 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 291 [2023-08-28 17:52:23,195 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 68 transitions, 140 flow. Second operand has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-28 17:52:23,195 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-28 17:52:23,195 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 291 [2023-08-28 17:52:23,195 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-28 17:52:23,563 INFO L130 PetriNetUnfolder]: 2030/3317 cut-off events. [2023-08-28 17:52:23,563 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-28 17:52:23,567 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6446 conditions, 3317 events. 2030/3317 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 16404 event pairs, 1338 based on Foata normal form. 0/2647 useless extension candidates. Maximal degree in co-relation 6443. Up to 2836 conditions per place. [2023-08-28 17:52:23,579 INFO L137 encePairwiseOnDemand]: 285/291 looper letters, 87 selfloop transitions, 5 changer transitions 0/99 dead transitions. [2023-08-28 17:52:23,579 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 99 transitions, 388 flow [2023-08-28 17:52:23,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-28 17:52:23,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-28 17:52:23,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 390 transitions. [2023-08-28 17:52:23,581 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44673539518900346 [2023-08-28 17:52:23,581 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 390 transitions. [2023-08-28 17:52:23,581 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 390 transitions. [2023-08-28 17:52:23,582 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-28 17:52:23,582 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 390 transitions. [2023-08-28 17:52:23,583 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 130.0) internal successors, (390), 3 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-28 17:52:23,585 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 291.0) internal successors, (1164), 4 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-28 17:52:23,586 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 291.0) internal successors, (1164), 4 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-28 17:52:23,586 INFO L175 Difference]: Start difference. First operand has 61 places, 68 transitions, 140 flow. Second operand 3 states and 390 transitions. [2023-08-28 17:52:23,586 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 99 transitions, 388 flow [2023-08-28 17:52:23,587 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 99 transitions, 388 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-28 17:52:23,588 INFO L231 Difference]: Finished difference. Result has 65 places, 72 transitions, 178 flow [2023-08-28 17:52:23,589 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=291, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=178, PETRI_PLACES=65, PETRI_TRANSITIONS=72} [2023-08-28 17:52:23,589 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -32 predicate places. [2023-08-28 17:52:23,590 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 72 transitions, 178 flow [2023-08-28 17:52:23,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-28 17:52:23,590 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-28 17:52:23,590 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-28 17:52:23,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-28 17:52:23,591 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-08-28 17:52:23,591 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-28 17:52:23,591 INFO L85 PathProgramCache]: Analyzing trace with hash -625107820, now seen corresponding path program 1 times [2023-08-28 17:52:23,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-28 17:52:23,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304787137] [2023-08-28 17:52:23,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-28 17:52:23,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-28 17:52:23,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-28 17:52:23,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-28 17:52:23,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-28 17:52:23,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304787137] [2023-08-28 17:52:23,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304787137] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-28 17:52:23,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-28 17:52:23,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-28 17:52:23,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868001704] [2023-08-28 17:52:23,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-28 17:52:23,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-28 17:52:23,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-28 17:52:23,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-28 17:52:23,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-28 17:52:23,653 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 291 [2023-08-28 17:52:23,653 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 72 transitions, 178 flow. Second operand has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-28 17:52:23,653 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-28 17:52:23,654 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 291 [2023-08-28 17:52:23,654 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-28 17:52:23,999 INFO L130 PetriNetUnfolder]: 2070/3353 cut-off events. [2023-08-28 17:52:23,999 INFO L131 PetriNetUnfolder]: For 259/281 co-relation queries the response was YES. [2023-08-28 17:52:24,003 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6936 conditions, 3353 events. 2070/3353 cut-off events. For 259/281 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 16338 event pairs, 1351 based on Foata normal form. 0/2707 useless extension candidates. Maximal degree in co-relation 6931. Up to 2895 conditions per place. [2023-08-28 17:52:24,017 INFO L137 encePairwiseOnDemand]: 285/291 looper letters, 89 selfloop transitions, 8 changer transitions 0/105 dead transitions. [2023-08-28 17:52:24,017 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 105 transitions, 455 flow [2023-08-28 17:52:24,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-28 17:52:24,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-28 17:52:24,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 390 transitions. [2023-08-28 17:52:24,019 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44673539518900346 [2023-08-28 17:52:24,019 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 390 transitions. [2023-08-28 17:52:24,019 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 390 transitions. [2023-08-28 17:52:24,020 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-28 17:52:24,020 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 390 transitions. [2023-08-28 17:52:24,021 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 130.0) internal successors, (390), 3 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-28 17:52:24,023 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 291.0) internal successors, (1164), 4 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-28 17:52:24,023 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 291.0) internal successors, (1164), 4 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-28 17:52:24,024 INFO L175 Difference]: Start difference. First operand has 65 places, 72 transitions, 178 flow. Second operand 3 states and 390 transitions. [2023-08-28 17:52:24,024 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 105 transitions, 455 flow [2023-08-28 17:52:24,027 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 105 transitions, 439 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-28 17:52:24,029 INFO L231 Difference]: Finished difference. Result has 67 places, 78 transitions, 236 flow [2023-08-28 17:52:24,029 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=291, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=236, PETRI_PLACES=67, PETRI_TRANSITIONS=78} [2023-08-28 17:52:24,030 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -30 predicate places. [2023-08-28 17:52:24,030 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 78 transitions, 236 flow [2023-08-28 17:52:24,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-28 17:52:24,031 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-28 17:52:24,031 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-28 17:52:24,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-28 17:52:24,031 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err15ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-08-28 17:52:24,032 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-28 17:52:24,032 INFO L85 PathProgramCache]: Analyzing trace with hash -832323485, now seen corresponding path program 1 times [2023-08-28 17:52:24,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-28 17:52:24,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389600832] [2023-08-28 17:52:24,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-28 17:52:24,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-28 17:52:24,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-28 17:52:24,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-28 17:52:24,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-28 17:52:24,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389600832] [2023-08-28 17:52:24,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389600832] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-28 17:52:24,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-28 17:52:24,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-28 17:52:24,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154362292] [2023-08-28 17:52:24,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-28 17:52:24,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-28 17:52:24,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-28 17:52:24,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-28 17:52:24,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-28 17:52:24,105 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 291 [2023-08-28 17:52:24,105 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 78 transitions, 236 flow. Second operand has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-28 17:52:24,105 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-28 17:52:24,105 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 291 [2023-08-28 17:52:24,106 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-28 17:52:24,447 INFO L130 PetriNetUnfolder]: 2186/3483 cut-off events. [2023-08-28 17:52:24,447 INFO L131 PetriNetUnfolder]: For 860/928 co-relation queries the response was YES. [2023-08-28 17:52:24,452 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7701 conditions, 3483 events. 2186/3483 cut-off events. For 860/928 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 16418 event pairs, 946 based on Foata normal form. 14/2911 useless extension candidates. Maximal degree in co-relation 7695. Up to 1986 conditions per place. [2023-08-28 17:52:24,462 INFO L137 encePairwiseOnDemand]: 283/291 looper letters, 108 selfloop transitions, 8 changer transitions 14/137 dead transitions. [2023-08-28 17:52:24,462 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 137 transitions, 637 flow [2023-08-28 17:52:24,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-28 17:52:24,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-28 17:52:24,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 421 transitions. [2023-08-28 17:52:24,464 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4822451317296678 [2023-08-28 17:52:24,464 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 421 transitions. [2023-08-28 17:52:24,464 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 421 transitions. [2023-08-28 17:52:24,465 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-28 17:52:24,465 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 421 transitions. [2023-08-28 17:52:24,466 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 140.33333333333334) internal successors, (421), 3 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-28 17:52:24,468 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 291.0) internal successors, (1164), 4 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-28 17:52:24,468 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 291.0) internal successors, (1164), 4 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-28 17:52:24,468 INFO L175 Difference]: Start difference. First operand has 67 places, 78 transitions, 236 flow. Second operand 3 states and 421 transitions. [2023-08-28 17:52:24,468 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 137 transitions, 637 flow [2023-08-28 17:52:24,472 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 137 transitions, 617 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-28 17:52:24,474 INFO L231 Difference]: Finished difference. Result has 69 places, 78 transitions, 264 flow [2023-08-28 17:52:24,474 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=291, PETRI_DIFFERENCE_MINUEND_FLOW=220, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=264, PETRI_PLACES=69, PETRI_TRANSITIONS=78} [2023-08-28 17:52:24,475 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -28 predicate places. [2023-08-28 17:52:24,475 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 78 transitions, 264 flow [2023-08-28 17:52:24,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-28 17:52:24,476 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-28 17:52:24,476 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] [2023-08-28 17:52:24,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-28 17:52:24,476 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-08-28 17:52:24,477 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-28 17:52:24,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1482410328, now seen corresponding path program 1 times [2023-08-28 17:52:24,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-28 17:52:24,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49430777] [2023-08-28 17:52:24,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-28 17:52:24,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-28 17:52:24,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-28 17:52:24,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-28 17:52:24,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-28 17:52:24,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49430777] [2023-08-28 17:52:24,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49430777] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-28 17:52:24,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-28 17:52:24,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-28 17:52:24,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910189905] [2023-08-28 17:52:24,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-28 17:52:24,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-28 17:52:24,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-28 17:52:24,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-28 17:52:24,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-28 17:52:24,548 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 291 [2023-08-28 17:52:24,549 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 78 transitions, 264 flow. Second operand has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-28 17:52:24,549 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-28 17:52:24,549 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 291 [2023-08-28 17:52:24,549 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-28 17:52:24,909 INFO L130 PetriNetUnfolder]: 2764/4551 cut-off events. [2023-08-28 17:52:24,910 INFO L131 PetriNetUnfolder]: For 2588/2670 co-relation queries the response was YES. [2023-08-28 17:52:24,916 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10534 conditions, 4551 events. 2764/4551 cut-off events. For 2588/2670 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 25154 event pairs, 957 based on Foata normal form. 0/3823 useless extension candidates. Maximal degree in co-relation 10527. Up to 2945 conditions per place. [2023-08-28 17:52:24,928 INFO L137 encePairwiseOnDemand]: 284/291 looper letters, 91 selfloop transitions, 4 changer transitions 19/125 dead transitions. [2023-08-28 17:52:24,928 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 125 transitions, 672 flow [2023-08-28 17:52:24,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-28 17:52:24,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-28 17:52:24,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 419 transitions. [2023-08-28 17:52:24,930 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47995418098510884 [2023-08-28 17:52:24,930 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 419 transitions. [2023-08-28 17:52:24,930 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 419 transitions. [2023-08-28 17:52:24,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-28 17:52:24,931 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 419 transitions. [2023-08-28 17:52:24,932 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 139.66666666666666) internal successors, (419), 3 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-28 17:52:24,933 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 291.0) internal successors, (1164), 4 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-28 17:52:24,934 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 291.0) internal successors, (1164), 4 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-28 17:52:24,934 INFO L175 Difference]: Start difference. First operand has 69 places, 78 transitions, 264 flow. Second operand 3 states and 419 transitions. [2023-08-28 17:52:24,934 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 125 transitions, 672 flow [2023-08-28 17:52:24,940 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 125 transitions, 640 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-28 17:52:24,942 INFO L231 Difference]: Finished difference. Result has 70 places, 81 transitions, 278 flow [2023-08-28 17:52:24,942 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=291, PETRI_DIFFERENCE_MINUEND_FLOW=248, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=278, PETRI_PLACES=70, PETRI_TRANSITIONS=81} [2023-08-28 17:52:24,943 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -27 predicate places. [2023-08-28 17:52:24,943 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 81 transitions, 278 flow [2023-08-28 17:52:24,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-28 17:52:24,944 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-28 17:52:24,944 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] [2023-08-28 17:52:24,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-28 17:52:24,944 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-08-28 17:52:24,944 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-28 17:52:24,945 INFO L85 PathProgramCache]: Analyzing trace with hash -198644322, now seen corresponding path program 2 times [2023-08-28 17:52:24,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-28 17:52:24,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647338854] [2023-08-28 17:52:24,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-28 17:52:24,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-28 17:52:24,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-28 17:52:25,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-28 17:52:25,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-28 17:52:25,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647338854] [2023-08-28 17:52:25,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647338854] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-28 17:52:25,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-28 17:52:25,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-28 17:52:25,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472047519] [2023-08-28 17:52:25,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-28 17:52:25,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-28 17:52:25,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-28 17:52:25,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-28 17:52:25,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-28 17:52:25,076 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 291 [2023-08-28 17:52:25,077 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 81 transitions, 278 flow. Second operand has 4 states, 4 states have (on average 110.0) internal successors, (440), 4 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-28 17:52:25,077 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-28 17:52:25,077 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 291 [2023-08-28 17:52:25,077 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-28 17:52:25,945 INFO L130 PetriNetUnfolder]: 6318/10523 cut-off events. [2023-08-28 17:52:25,945 INFO L131 PetriNetUnfolder]: For 4729/4925 co-relation queries the response was YES. [2023-08-28 17:52:25,962 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25069 conditions, 10523 events. 6318/10523 cut-off events. For 4729/4925 co-relation queries the response was YES. Maximal size of possible extension queue 278. Compared 65616 event pairs, 1505 based on Foata normal form. 60/9389 useless extension candidates. Maximal degree in co-relation 25061. Up to 3877 conditions per place. [2023-08-28 17:52:25,986 INFO L137 encePairwiseOnDemand]: 285/291 looper letters, 203 selfloop transitions, 7 changer transitions 8/229 dead transitions. [2023-08-28 17:52:25,987 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 229 transitions, 1221 flow [2023-08-28 17:52:25,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-28 17:52:25,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-28 17:52:25,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 711 transitions. [2023-08-28 17:52:25,989 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.488659793814433 [2023-08-28 17:52:25,989 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 711 transitions. [2023-08-28 17:52:25,989 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 711 transitions. [2023-08-28 17:52:25,990 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-28 17:52:25,990 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 711 transitions. [2023-08-28 17:52:25,991 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 142.2) internal successors, (711), 5 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-28 17:52:25,994 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 291.0) internal successors, (1746), 6 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-28 17:52:25,995 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 291.0) internal successors, (1746), 6 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-28 17:52:25,995 INFO L175 Difference]: Start difference. First operand has 70 places, 81 transitions, 278 flow. Second operand 5 states and 711 transitions. [2023-08-28 17:52:25,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 229 transitions, 1221 flow [2023-08-28 17:52:26,001 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 229 transitions, 1206 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-28 17:52:26,003 INFO L231 Difference]: Finished difference. Result has 77 places, 88 transitions, 338 flow [2023-08-28 17:52:26,003 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=291, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=338, PETRI_PLACES=77, PETRI_TRANSITIONS=88} [2023-08-28 17:52:26,004 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -20 predicate places. [2023-08-28 17:52:26,004 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 88 transitions, 338 flow [2023-08-28 17:52:26,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 110.0) internal successors, (440), 4 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-28 17:52:26,005 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-28 17:52:26,005 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] [2023-08-28 17:52:26,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-28 17:52:26,005 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-08-28 17:52:26,006 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-28 17:52:26,006 INFO L85 PathProgramCache]: Analyzing trace with hash -765321108, now seen corresponding path program 3 times [2023-08-28 17:52:26,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-28 17:52:26,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527154461] [2023-08-28 17:52:26,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-28 17:52:26,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-28 17:52:26,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-28 17:52:26,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-28 17:52:26,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-28 17:52:26,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527154461] [2023-08-28 17:52:26,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527154461] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-28 17:52:26,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-28 17:52:26,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-28 17:52:26,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106952086] [2023-08-28 17:52:26,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-28 17:52:26,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-28 17:52:26,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-28 17:52:26,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-28 17:52:26,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-28 17:52:26,055 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 291 [2023-08-28 17:52:26,056 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 88 transitions, 338 flow. Second operand has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-28 17:52:26,056 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-28 17:52:26,056 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 291 [2023-08-28 17:52:26,057 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-28 17:52:26,724 INFO L130 PetriNetUnfolder]: 4078/7203 cut-off events. [2023-08-28 17:52:26,725 INFO L131 PetriNetUnfolder]: For 4173/4313 co-relation queries the response was YES. [2023-08-28 17:52:26,740 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18242 conditions, 7203 events. 4078/7203 cut-off events. For 4173/4313 co-relation queries the response was YES. Maximal size of possible extension queue 244. Compared 47308 event pairs, 1590 based on Foata normal form. 80/6777 useless extension candidates. Maximal degree in co-relation 18231. Up to 4302 conditions per place. [2023-08-28 17:52:26,751 INFO L137 encePairwiseOnDemand]: 275/291 looper letters, 83 selfloop transitions, 5 changer transitions 59/158 dead transitions. [2023-08-28 17:52:26,751 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 158 transitions, 893 flow [2023-08-28 17:52:26,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-28 17:52:26,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-28 17:52:26,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 640 transitions. [2023-08-28 17:52:26,754 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43986254295532645 [2023-08-28 17:52:26,754 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 640 transitions. [2023-08-28 17:52:26,754 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 640 transitions. [2023-08-28 17:52:26,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-28 17:52:26,755 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 640 transitions. [2023-08-28 17:52:26,756 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 128.0) internal successors, (640), 5 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-28 17:52:26,758 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 291.0) internal successors, (1746), 6 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-28 17:52:26,759 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 291.0) internal successors, (1746), 6 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-28 17:52:26,759 INFO L175 Difference]: Start difference. First operand has 77 places, 88 transitions, 338 flow. Second operand 5 states and 640 transitions. [2023-08-28 17:52:26,759 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 158 transitions, 893 flow [2023-08-28 17:52:26,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 158 transitions, 893 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-28 17:52:26,766 INFO L231 Difference]: Finished difference. Result has 85 places, 77 transitions, 348 flow [2023-08-28 17:52:26,767 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=291, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=348, PETRI_PLACES=85, PETRI_TRANSITIONS=77} [2023-08-28 17:52:26,767 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -12 predicate places. [2023-08-28 17:52:26,768 INFO L495 AbstractCegarLoop]: Abstraction has has 85 places, 77 transitions, 348 flow [2023-08-28 17:52:26,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-28 17:52:26,768 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-28 17:52:26,768 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] [2023-08-28 17:52:26,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-28 17:52:26,769 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-08-28 17:52:26,769 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-28 17:52:26,769 INFO L85 PathProgramCache]: Analyzing trace with hash 65780912, now seen corresponding path program 4 times [2023-08-28 17:52:26,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-28 17:52:26,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927132678] [2023-08-28 17:52:26,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-28 17:52:26,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-28 17:52:26,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-28 17:52:26,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-28 17:52:26,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-28 17:52:26,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927132678] [2023-08-28 17:52:26,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927132678] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-28 17:52:26,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-28 17:52:26,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-28 17:52:26,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673585819] [2023-08-28 17:52:26,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-28 17:52:26,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-28 17:52:26,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-28 17:52:26,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-28 17:52:26,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-28 17:52:26,814 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 291 [2023-08-28 17:52:26,815 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 77 transitions, 348 flow. Second operand has 4 states, 4 states have (on average 110.0) internal successors, (440), 4 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-28 17:52:26,815 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-28 17:52:26,815 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 291 [2023-08-28 17:52:26,816 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-28 17:52:27,311 INFO L130 PetriNetUnfolder]: 2761/5268 cut-off events. [2023-08-28 17:52:27,311 INFO L131 PetriNetUnfolder]: For 5105/5211 co-relation queries the response was YES. [2023-08-28 17:52:27,324 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14872 conditions, 5268 events. 2761/5268 cut-off events. For 5105/5211 co-relation queries the response was YES. Maximal size of possible extension queue 202. Compared 35217 event pairs, 1025 based on Foata normal form. 48/5158 useless extension candidates. Maximal degree in co-relation 14857. Up to 2471 conditions per place. [2023-08-28 17:52:27,332 INFO L137 encePairwiseOnDemand]: 285/291 looper letters, 111 selfloop transitions, 4 changer transitions 24/150 dead transitions. [2023-08-28 17:52:27,332 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 150 transitions, 990 flow [2023-08-28 17:52:27,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-28 17:52:27,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-28 17:52:27,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 533 transitions. [2023-08-28 17:52:27,334 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4579037800687285 [2023-08-28 17:52:27,334 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 533 transitions. [2023-08-28 17:52:27,334 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 533 transitions. [2023-08-28 17:52:27,335 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-28 17:52:27,335 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 533 transitions. [2023-08-28 17:52:27,336 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 133.25) internal successors, (533), 4 states have internal predecessors, (533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-28 17:52:27,338 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 291.0) internal successors, (1455), 5 states have internal predecessors, (1455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-28 17:52:27,338 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 291.0) internal successors, (1455), 5 states have internal predecessors, (1455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-28 17:52:27,338 INFO L175 Difference]: Start difference. First operand has 85 places, 77 transitions, 348 flow. Second operand 4 states and 533 transitions. [2023-08-28 17:52:27,338 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 150 transitions, 990 flow [2023-08-28 17:52:27,348 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 150 transitions, 908 flow, removed 28 selfloop flow, removed 4 redundant places. [2023-08-28 17:52:27,350 INFO L231 Difference]: Finished difference. Result has 80 places, 78 transitions, 344 flow [2023-08-28 17:52:27,351 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=291, PETRI_DIFFERENCE_MINUEND_FLOW=308, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=344, PETRI_PLACES=80, PETRI_TRANSITIONS=78} [2023-08-28 17:52:27,351 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -17 predicate places. [2023-08-28 17:52:27,351 INFO L495 AbstractCegarLoop]: Abstraction has has 80 places, 78 transitions, 344 flow [2023-08-28 17:52:27,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 110.0) internal successors, (440), 4 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-28 17:52:27,352 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-28 17:52:27,352 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] [2023-08-28 17:52:27,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-28 17:52:27,352 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thr2Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-08-28 17:52:27,353 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-28 17:52:27,353 INFO L85 PathProgramCache]: Analyzing trace with hash 1681814298, now seen corresponding path program 1 times [2023-08-28 17:52:27,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-28 17:52:27,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458486877] [2023-08-28 17:52:27,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-28 17:52:27,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-28 17:52:27,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-28 17:52:27,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-28 17:52:27,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-28 17:52:27,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458486877] [2023-08-28 17:52:27,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458486877] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-28 17:52:27,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-28 17:52:27,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-28 17:52:27,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889759982] [2023-08-28 17:52:27,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-28 17:52:27,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-28 17:52:27,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-28 17:52:27,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-28 17:52:27,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-28 17:52:27,401 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 291 [2023-08-28 17:52:27,401 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 78 transitions, 344 flow. Second operand has 4 states, 4 states have (on average 110.75) internal successors, (443), 4 states have internal predecessors, (443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-28 17:52:27,401 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-28 17:52:27,402 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 291 [2023-08-28 17:52:27,402 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-28 17:52:27,769 INFO L130 PetriNetUnfolder]: 2337/4366 cut-off events. [2023-08-28 17:52:27,769 INFO L131 PetriNetUnfolder]: For 3618/3686 co-relation queries the response was YES. [2023-08-28 17:52:27,778 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11828 conditions, 4366 events. 2337/4366 cut-off events. For 3618/3686 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 26768 event pairs, 1014 based on Foata normal form. 34/4272 useless extension candidates. Maximal degree in co-relation 11813. Up to 2232 conditions per place. [2023-08-28 17:52:27,784 INFO L137 encePairwiseOnDemand]: 284/291 looper letters, 71 selfloop transitions, 3 changer transitions 50/135 dead transitions. [2023-08-28 17:52:27,785 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 135 transitions, 825 flow [2023-08-28 17:52:27,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-28 17:52:27,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-28 17:52:27,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 627 transitions. [2023-08-28 17:52:27,787 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4309278350515464 [2023-08-28 17:52:27,787 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 627 transitions. [2023-08-28 17:52:27,788 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 627 transitions. [2023-08-28 17:52:27,788 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-28 17:52:27,788 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 627 transitions. [2023-08-28 17:52:27,790 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 125.4) internal successors, (627), 5 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-28 17:52:27,792 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 291.0) internal successors, (1746), 6 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-28 17:52:27,792 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 291.0) internal successors, (1746), 6 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-28 17:52:27,793 INFO L175 Difference]: Start difference. First operand has 80 places, 78 transitions, 344 flow. Second operand 5 states and 627 transitions. [2023-08-28 17:52:27,793 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 135 transitions, 825 flow [2023-08-28 17:52:27,802 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 135 transitions, 816 flow, removed 4 selfloop flow, removed 2 redundant places. [2023-08-28 17:52:27,803 INFO L231 Difference]: Finished difference. Result has 84 places, 70 transitions, 328 flow [2023-08-28 17:52:27,804 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=291, PETRI_DIFFERENCE_MINUEND_FLOW=339, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=328, PETRI_PLACES=84, PETRI_TRANSITIONS=70} [2023-08-28 17:52:27,804 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -13 predicate places. [2023-08-28 17:52:27,805 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 70 transitions, 328 flow [2023-08-28 17:52:27,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 110.75) internal successors, (443), 4 states have internal predecessors, (443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-28 17:52:27,805 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-28 17:52:27,805 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] [2023-08-28 17:52:27,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-28 17:52:27,806 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-08-28 17:52:27,806 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-28 17:52:27,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1058234996, now seen corresponding path program 1 times [2023-08-28 17:52:27,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-28 17:52:27,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142128472] [2023-08-28 17:52:27,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-28 17:52:27,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-28 17:52:27,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-28 17:52:27,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-28 17:52:27,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-28 17:52:27,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142128472] [2023-08-28 17:52:27,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142128472] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-28 17:52:27,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-28 17:52:27,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-28 17:52:27,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273354298] [2023-08-28 17:52:27,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-28 17:52:27,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-28 17:52:27,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-28 17:52:27,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-28 17:52:27,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-28 17:52:27,856 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 291 [2023-08-28 17:52:27,857 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 70 transitions, 328 flow. Second operand has 4 states, 4 states have (on average 110.5) internal successors, (442), 4 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-28 17:52:27,857 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-28 17:52:27,857 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 291 [2023-08-28 17:52:27,857 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-28 17:52:28,185 INFO L130 PetriNetUnfolder]: 1248/2185 cut-off events. [2023-08-28 17:52:28,185 INFO L131 PetriNetUnfolder]: For 1908/1929 co-relation queries the response was YES. [2023-08-28 17:52:28,190 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6231 conditions, 2185 events. 1248/2185 cut-off events. For 1908/1929 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 10588 event pairs, 427 based on Foata normal form. 26/2143 useless extension candidates. Maximal degree in co-relation 6215. Up to 1185 conditions per place. [2023-08-28 17:52:28,192 INFO L137 encePairwiseOnDemand]: 285/291 looper letters, 0 selfloop transitions, 0 changer transitions 99/99 dead transitions. [2023-08-28 17:52:28,193 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 99 transitions, 619 flow [2023-08-28 17:52:28,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-28 17:52:28,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-28 17:52:28,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 609 transitions. [2023-08-28 17:52:28,195 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41855670103092785 [2023-08-28 17:52:28,195 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 609 transitions. [2023-08-28 17:52:28,195 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 609 transitions. [2023-08-28 17:52:28,196 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-28 17:52:28,196 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 609 transitions. [2023-08-28 17:52:28,197 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 121.8) internal successors, (609), 5 states have internal predecessors, (609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-28 17:52:28,199 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 291.0) internal successors, (1746), 6 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-28 17:52:28,200 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 291.0) internal successors, (1746), 6 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-28 17:52:28,200 INFO L175 Difference]: Start difference. First operand has 84 places, 70 transitions, 328 flow. Second operand 5 states and 609 transitions. [2023-08-28 17:52:28,200 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 99 transitions, 619 flow [2023-08-28 17:52:28,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 99 transitions, 535 flow, removed 18 selfloop flow, removed 10 redundant places. [2023-08-28 17:52:28,207 INFO L231 Difference]: Finished difference. Result has 66 places, 0 transitions, 0 flow [2023-08-28 17:52:28,207 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=291, PETRI_DIFFERENCE_MINUEND_FLOW=205, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=66, PETRI_TRANSITIONS=0} [2023-08-28 17:52:28,208 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -31 predicate places. [2023-08-28 17:52:28,208 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 0 transitions, 0 flow [2023-08-28 17:52:28,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 110.5) internal successors, (442), 4 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-28 17:52:28,210 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (75 of 76 remaining) [2023-08-28 17:52:28,211 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (74 of 76 remaining) [2023-08-28 17:52:28,211 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err14ASSERT_VIOLATIONDATA_RACE (73 of 76 remaining) [2023-08-28 17:52:28,211 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err2ASSERT_VIOLATIONDATA_RACE (72 of 76 remaining) [2023-08-28 17:52:28,211 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err3ASSERT_VIOLATIONDATA_RACE (71 of 76 remaining) [2023-08-28 17:52:28,212 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err6ASSERT_VIOLATIONDATA_RACE (70 of 76 remaining) [2023-08-28 17:52:28,212 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err15ASSERT_VIOLATIONDATA_RACE (69 of 76 remaining) [2023-08-28 17:52:28,212 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err4ASSERT_VIOLATIONDATA_RACE (68 of 76 remaining) [2023-08-28 17:52:28,212 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err7ASSERT_VIOLATIONDATA_RACE (67 of 76 remaining) [2023-08-28 17:52:28,212 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err16ASSERT_VIOLATIONDATA_RACE (66 of 76 remaining) [2023-08-28 17:52:28,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err5ASSERT_VIOLATIONDATA_RACE (65 of 76 remaining) [2023-08-28 17:52:28,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err8ASSERT_VIOLATIONDATA_RACE (64 of 76 remaining) [2023-08-28 17:52:28,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err17ASSERT_VIOLATIONDATA_RACE (63 of 76 remaining) [2023-08-28 17:52:28,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err9ASSERT_VIOLATIONDATA_RACE (62 of 76 remaining) [2023-08-28 17:52:28,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err10ASSERT_VIOLATIONDATA_RACE (61 of 76 remaining) [2023-08-28 17:52:28,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err11ASSERT_VIOLATIONDATA_RACE (60 of 76 remaining) [2023-08-28 17:52:28,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err12ASSERT_VIOLATIONDATA_RACE (59 of 76 remaining) [2023-08-28 17:52:28,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err13ASSERT_VIOLATIONDATA_RACE (58 of 76 remaining) [2023-08-28 17:52:28,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (57 of 76 remaining) [2023-08-28 17:52:28,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (56 of 76 remaining) [2023-08-28 17:52:28,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err14ASSERT_VIOLATIONDATA_RACE (55 of 76 remaining) [2023-08-28 17:52:28,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err2ASSERT_VIOLATIONDATA_RACE (54 of 76 remaining) [2023-08-28 17:52:28,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err3ASSERT_VIOLATIONDATA_RACE (53 of 76 remaining) [2023-08-28 17:52:28,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err6ASSERT_VIOLATIONDATA_RACE (52 of 76 remaining) [2023-08-28 17:52:28,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err15ASSERT_VIOLATIONDATA_RACE (51 of 76 remaining) [2023-08-28 17:52:28,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err4ASSERT_VIOLATIONDATA_RACE (50 of 76 remaining) [2023-08-28 17:52:28,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err7ASSERT_VIOLATIONDATA_RACE (49 of 76 remaining) [2023-08-28 17:52:28,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err16ASSERT_VIOLATIONDATA_RACE (48 of 76 remaining) [2023-08-28 17:52:28,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err5ASSERT_VIOLATIONDATA_RACE (47 of 76 remaining) [2023-08-28 17:52:28,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err8ASSERT_VIOLATIONDATA_RACE (46 of 76 remaining) [2023-08-28 17:52:28,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err17ASSERT_VIOLATIONDATA_RACE (45 of 76 remaining) [2023-08-28 17:52:28,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err9ASSERT_VIOLATIONDATA_RACE (44 of 76 remaining) [2023-08-28 17:52:28,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err10ASSERT_VIOLATIONDATA_RACE (43 of 76 remaining) [2023-08-28 17:52:28,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err11ASSERT_VIOLATIONDATA_RACE (42 of 76 remaining) [2023-08-28 17:52:28,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err12ASSERT_VIOLATIONDATA_RACE (41 of 76 remaining) [2023-08-28 17:52:28,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err13ASSERT_VIOLATIONDATA_RACE (40 of 76 remaining) [2023-08-28 17:52:28,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (39 of 76 remaining) [2023-08-28 17:52:28,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (38 of 76 remaining) [2023-08-28 17:52:28,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (37 of 76 remaining) [2023-08-28 17:52:28,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 76 remaining) [2023-08-28 17:52:28,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (35 of 76 remaining) [2023-08-28 17:52:28,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (34 of 76 remaining) [2023-08-28 17:52:28,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err14ASSERT_VIOLATIONDATA_RACE (33 of 76 remaining) [2023-08-28 17:52:28,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err2ASSERT_VIOLATIONDATA_RACE (32 of 76 remaining) [2023-08-28 17:52:28,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err3ASSERT_VIOLATIONDATA_RACE (31 of 76 remaining) [2023-08-28 17:52:28,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err6ASSERT_VIOLATIONDATA_RACE (30 of 76 remaining) [2023-08-28 17:52:28,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err15ASSERT_VIOLATIONDATA_RACE (29 of 76 remaining) [2023-08-28 17:52:28,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err4ASSERT_VIOLATIONDATA_RACE (28 of 76 remaining) [2023-08-28 17:52:28,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err7ASSERT_VIOLATIONDATA_RACE (27 of 76 remaining) [2023-08-28 17:52:28,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err16ASSERT_VIOLATIONDATA_RACE (26 of 76 remaining) [2023-08-28 17:52:28,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err5ASSERT_VIOLATIONDATA_RACE (25 of 76 remaining) [2023-08-28 17:52:28,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err8ASSERT_VIOLATIONDATA_RACE (24 of 76 remaining) [2023-08-28 17:52:28,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err17ASSERT_VIOLATIONDATA_RACE (23 of 76 remaining) [2023-08-28 17:52:28,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err9ASSERT_VIOLATIONDATA_RACE (22 of 76 remaining) [2023-08-28 17:52:28,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err10ASSERT_VIOLATIONDATA_RACE (21 of 76 remaining) [2023-08-28 17:52:28,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err11ASSERT_VIOLATIONDATA_RACE (20 of 76 remaining) [2023-08-28 17:52:28,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err12ASSERT_VIOLATIONDATA_RACE (19 of 76 remaining) [2023-08-28 17:52:28,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err13ASSERT_VIOLATIONDATA_RACE (18 of 76 remaining) [2023-08-28 17:52:28,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (17 of 76 remaining) [2023-08-28 17:52:28,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (16 of 76 remaining) [2023-08-28 17:52:28,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err14ASSERT_VIOLATIONDATA_RACE (15 of 76 remaining) [2023-08-28 17:52:28,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err2ASSERT_VIOLATIONDATA_RACE (14 of 76 remaining) [2023-08-28 17:52:28,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err3ASSERT_VIOLATIONDATA_RACE (13 of 76 remaining) [2023-08-28 17:52:28,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err6ASSERT_VIOLATIONDATA_RACE (12 of 76 remaining) [2023-08-28 17:52:28,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err15ASSERT_VIOLATIONDATA_RACE (11 of 76 remaining) [2023-08-28 17:52:28,222 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err4ASSERT_VIOLATIONDATA_RACE (10 of 76 remaining) [2023-08-28 17:52:28,222 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err7ASSERT_VIOLATIONDATA_RACE (9 of 76 remaining) [2023-08-28 17:52:28,222 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err16ASSERT_VIOLATIONDATA_RACE (8 of 76 remaining) [2023-08-28 17:52:28,222 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err5ASSERT_VIOLATIONDATA_RACE (7 of 76 remaining) [2023-08-28 17:52:28,222 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err8ASSERT_VIOLATIONDATA_RACE (6 of 76 remaining) [2023-08-28 17:52:28,222 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err17ASSERT_VIOLATIONDATA_RACE (5 of 76 remaining) [2023-08-28 17:52:28,222 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err9ASSERT_VIOLATIONDATA_RACE (4 of 76 remaining) [2023-08-28 17:52:28,223 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err10ASSERT_VIOLATIONDATA_RACE (3 of 76 remaining) [2023-08-28 17:52:28,223 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err11ASSERT_VIOLATIONDATA_RACE (2 of 76 remaining) [2023-08-28 17:52:28,223 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err12ASSERT_VIOLATIONDATA_RACE (1 of 76 remaining) [2023-08-28 17:52:28,223 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err13ASSERT_VIOLATIONDATA_RACE (0 of 76 remaining) [2023-08-28 17:52:28,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-28 17:52:28,224 INFO L445 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1] [2023-08-28 17:52:28,228 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-28 17:52:28,229 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-28 17:52:28,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.08 05:52:28 BasicIcfg [2023-08-28 17:52:28,231 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-28 17:52:28,232 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-28 17:52:28,232 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-28 17:52:28,232 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-28 17:52:28,232 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.08 05:52:19" (3/4) ... [2023-08-28 17:52:28,234 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-28 17:52:28,239 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2023-08-28 17:52:28,239 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2023-08-28 17:52:28,242 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-08-28 17:52:28,242 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-28 17:52:28,242 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-28 17:52:28,242 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-28 17:52:28,266 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-28 17:52:28,266 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-28 17:52:28,267 INFO L158 Benchmark]: Toolchain (without parser) took 9825.89ms. Allocated memory was 75.5MB in the beginning and 801.1MB in the end (delta: 725.6MB). Free memory was 52.5MB in the beginning and 506.8MB in the end (delta: -454.3MB). Peak memory consumption was 272.4MB. Max. memory is 16.1GB. [2023-08-28 17:52:28,267 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 60.8MB. Free memory is still 38.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-28 17:52:28,267 INFO L158 Benchmark]: CACSL2BoogieTranslator took 511.50ms. Allocated memory is still 75.5MB. Free memory was 52.3MB in the beginning and 49.2MB in the end (delta: 3.1MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2023-08-28 17:52:28,267 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.87ms. Allocated memory is still 75.5MB. Free memory was 49.2MB in the beginning and 46.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-28 17:52:28,268 INFO L158 Benchmark]: Boogie Preprocessor took 52.11ms. Allocated memory is still 75.5MB. Free memory was 46.9MB in the beginning and 45.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-28 17:52:28,268 INFO L158 Benchmark]: RCFGBuilder took 664.52ms. Allocated memory is still 75.5MB. Free memory was 44.8MB in the beginning and 35.9MB in the end (delta: 8.9MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2023-08-28 17:52:28,268 INFO L158 Benchmark]: TraceAbstraction took 8489.24ms. Allocated memory was 75.5MB in the beginning and 801.1MB in the end (delta: 725.6MB). Free memory was 35.3MB in the beginning and 509.9MB in the end (delta: -474.7MB). Peak memory consumption was 252.0MB. Max. memory is 16.1GB. [2023-08-28 17:52:28,269 INFO L158 Benchmark]: Witness Printer took 34.50ms. Allocated memory is still 801.1MB. Free memory was 509.9MB in the beginning and 506.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-28 17:52:28,270 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 60.8MB. Free memory is still 38.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 511.50ms. Allocated memory is still 75.5MB. Free memory was 52.3MB in the beginning and 49.2MB in the end (delta: 3.1MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.87ms. Allocated memory is still 75.5MB. Free memory was 49.2MB in the beginning and 46.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.11ms. Allocated memory is still 75.5MB. Free memory was 46.9MB in the beginning and 45.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 664.52ms. Allocated memory is still 75.5MB. Free memory was 44.8MB in the beginning and 35.9MB in the end (delta: 8.9MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * TraceAbstraction took 8489.24ms. Allocated memory was 75.5MB in the beginning and 801.1MB in the end (delta: 725.6MB). Free memory was 35.3MB in the beginning and 509.9MB in the end (delta: -474.7MB). Peak memory consumption was 252.0MB. Max. memory is 16.1GB. * Witness Printer took 34.50ms. Allocated memory is still 801.1MB. Free memory was 509.9MB in the beginning and 506.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.4s, 159 PlacesBefore, 97 PlacesAfterwards, 176 TransitionsBefore, 106 TransitionsAfterwards, 13068 CoEnabledTransitionPairs, 5 FixpointIterations, 18 TrivialSequentialCompositions, 72 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 8 ChoiceCompositions, 104 TotalNumberOfCompositions, 48898 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 14887, independent: 14161, independent conditional: 0, independent unconditional: 14161, dependent: 726, dependent conditional: 0, dependent unconditional: 726, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5386, independent: 5277, independent conditional: 0, independent unconditional: 5277, dependent: 109, dependent conditional: 0, dependent unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 14887, independent: 8884, independent conditional: 0, independent unconditional: 8884, dependent: 617, dependent conditional: 0, dependent unconditional: 617, unknown: 5386, unknown conditional: 0, unknown unconditional: 5386] , Statistics on independence cache: Total cache size (in pairs): 1042, Positive cache size: 970, Positive conditional cache size: 0, Positive unconditional cache size: 970, Negative cache size: 72, Negative conditional cache size: 0, Negative unconditional cache size: 72, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 776]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 779]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 833]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 782]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 786]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 799]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 834]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 789]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 802]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 836]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 806]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 839]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 809]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 813]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 817]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 821]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 825]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 763]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 712]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 716]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 729]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 764]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 732]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 766]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 736]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 769]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 739]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 743]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 747]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 751]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 755]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 847]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 848]: 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 5 procedures, 276 locations, 76 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: 8.4s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 5.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 592 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 493 mSDsluCounter, 54 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 44 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1944 IncrementalHoareTripleChecker+Invalid, 1988 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 44 mSolverCounterUnsat, 40 mSDtfsCounter, 1944 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=348occurred in iteration=7, InterpolantAutomatonStates: 38, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 173 NumberOfCodeBlocks, 173 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 163 ConstructedInterpolants, 0 QuantifiedInterpolants, 259 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 38 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-28 17:52:28,293 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