./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/popl20-three-array-min.wvr.c --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/weaver/popl20-three-array-min.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3e185f9c0dac86cdbb29caae2de39811a090d813c08c4c3552062c2aa77b8788 --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 [2023-08-29 03:44:58,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 03:44:58,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 03:44:58,971 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 03:44:58,973 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 03:44:58,975 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 03:44:58,976 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 03:44:58,978 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 03:44:58,980 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 03:44:58,983 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 03:44:58,983 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 03:44:58,985 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 03:44:58,985 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 03:44:58,987 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 03:44:58,987 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 03:44:58,989 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 03:44:58,992 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 03:44:58,992 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 03:44:59,000 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 03:44:59,002 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 03:44:59,004 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 03:44:59,005 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 03:44:59,005 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 03:44:59,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 03:44:59,009 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 03:44:59,012 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 03:44:59,012 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 03:44:59,013 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 03:44:59,014 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 03:44:59,014 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 03:44:59,014 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 03:44:59,016 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 03:44:59,017 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 03:44:59,018 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 03:44:59,019 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 03:44:59,019 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 03:44:59,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 03:44:59,020 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 03:44:59,020 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 03:44:59,021 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 03:44:59,021 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 03:44:59,022 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 03:44:59,044 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 03:44:59,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 03:44:59,046 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 03:44:59,046 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 03:44:59,047 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 03:44:59,047 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 03:44:59,047 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 03:44:59,047 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 03:44:59,047 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 03:44:59,048 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 03:44:59,048 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 03:44:59,048 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 03:44:59,049 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 03:44:59,049 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 03:44:59,049 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 03:44:59,049 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 03:44:59,049 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 03:44:59,049 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 03:44:59,049 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 03:44:59,050 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 03:44:59,050 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 03:44:59,050 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 03:44:59,050 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 03:44:59,050 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 03:44:59,050 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 03:44:59,051 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 03:44:59,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:44:59,051 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 03:44:59,051 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 03:44:59,051 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 03:44:59,051 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 03:44:59,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 03:44:59,052 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 03:44:59,052 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 03:44:59,052 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 03:44:59,052 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 03:44:59,052 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 03:44:59,053 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e185f9c0dac86cdbb29caae2de39811a090d813c08c4c3552062c2aa77b8788 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 03:44:59,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 03:44:59,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 03:44:59,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 03:44:59,274 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 03:44:59,274 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 03:44:59,275 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-three-array-min.wvr.c [2023-08-29 03:45:00,115 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 03:45:00,282 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 03:45:00,282 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-min.wvr.c [2023-08-29 03:45:00,286 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49d3905ea/34b619dbb8354be084e3c84aa03627a2/FLAGb337a8bfe [2023-08-29 03:45:00,295 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49d3905ea/34b619dbb8354be084e3c84aa03627a2 [2023-08-29 03:45:00,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 03:45:00,301 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 03:45:00,304 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 03:45:00,304 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 03:45:00,306 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 03:45:00,307 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:45:00" (1/1) ... [2023-08-29 03:45:00,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a25497e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:45:00, skipping insertion in model container [2023-08-29 03:45:00,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:45:00" (1/1) ... [2023-08-29 03:45:00,312 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 03:45:00,330 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 03:45:00,458 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-min.wvr.c[2815,2828] [2023-08-29 03:45:00,474 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:45:00,484 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 03:45:00,519 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-min.wvr.c[2815,2828] [2023-08-29 03:45:00,535 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:45:00,543 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 03:45:00,543 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 03:45:00,548 INFO L208 MainTranslator]: Completed translation [2023-08-29 03:45:00,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:45:00 WrapperNode [2023-08-29 03:45:00,548 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 03:45:00,549 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 03:45:00,550 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 03:45:00,550 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 03:45:00,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:45:00" (1/1) ... [2023-08-29 03:45:00,574 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:45:00" (1/1) ... [2023-08-29 03:45:00,604 INFO L138 Inliner]: procedures = 26, calls = 57, calls flagged for inlining = 14, calls inlined = 22, statements flattened = 375 [2023-08-29 03:45:00,605 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 03:45:00,605 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 03:45:00,606 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 03:45:00,606 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 03:45:00,611 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:45:00" (1/1) ... [2023-08-29 03:45:00,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:45:00" (1/1) ... [2023-08-29 03:45:00,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:45:00" (1/1) ... [2023-08-29 03:45:00,615 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:45:00" (1/1) ... [2023-08-29 03:45:00,644 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:45:00" (1/1) ... [2023-08-29 03:45:00,648 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:45:00" (1/1) ... [2023-08-29 03:45:00,649 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:45:00" (1/1) ... [2023-08-29 03:45:00,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:45:00" (1/1) ... [2023-08-29 03:45:00,666 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 03:45:00,666 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 03:45:00,666 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 03:45:00,666 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 03:45:00,669 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:45:00" (1/1) ... [2023-08-29 03:45:00,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:45:00,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:45:00,707 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 03:45:00,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 03:45:00,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 03:45:00,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 03:45:00,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 03:45:00,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 03:45:00,739 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 03:45:00,739 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 03:45:00,740 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 03:45:00,740 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 03:45:00,740 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-29 03:45:00,740 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-29 03:45:00,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 03:45:00,740 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-29 03:45:00,740 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-29 03:45:00,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 03:45:00,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 03:45:00,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 03:45:00,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 03:45:00,742 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 03:45:00,872 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 03:45:00,873 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 03:45:01,422 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 03:45:01,573 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 03:45:01,574 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-08-29 03:45:01,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:45:01 BoogieIcfgContainer [2023-08-29 03:45:01,576 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 03:45:01,578 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 03:45:01,578 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 03:45:01,580 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 03:45:01,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 03:45:00" (1/3) ... [2023-08-29 03:45:01,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ba313db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:45:01, skipping insertion in model container [2023-08-29 03:45:01,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:45:00" (2/3) ... [2023-08-29 03:45:01,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ba313db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:45:01, skipping insertion in model container [2023-08-29 03:45:01,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:45:01" (3/3) ... [2023-08-29 03:45:01,582 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-three-array-min.wvr.c [2023-08-29 03:45:01,588 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 03:45:01,594 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 03:45:01,594 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 58 error locations. [2023-08-29 03:45:01,594 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 03:45:01,691 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-29 03:45:01,729 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 480 places, 497 transitions, 1018 flow [2023-08-29 03:45:01,864 INFO L130 PetriNetUnfolder]: 27/494 cut-off events. [2023-08-29 03:45:01,865 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-29 03:45:01,871 INFO L83 FinitePrefix]: Finished finitePrefix Result has 507 conditions, 494 events. 27/494 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 628 event pairs, 0 based on Foata normal form. 0/409 useless extension candidates. Maximal degree in co-relation 399. Up to 3 conditions per place. [2023-08-29 03:45:01,871 INFO L82 GeneralOperation]: Start removeDead. Operand has 480 places, 497 transitions, 1018 flow [2023-08-29 03:45:01,878 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 442 places, 456 transitions, 930 flow [2023-08-29 03:45:01,881 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 03:45:01,894 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 442 places, 456 transitions, 930 flow [2023-08-29 03:45:01,896 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 442 places, 456 transitions, 930 flow [2023-08-29 03:45:01,896 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 442 places, 456 transitions, 930 flow [2023-08-29 03:45:01,942 INFO L130 PetriNetUnfolder]: 24/456 cut-off events. [2023-08-29 03:45:01,942 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-29 03:45:01,945 INFO L83 FinitePrefix]: Finished finitePrefix Result has 469 conditions, 456 events. 24/456 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 621 event pairs, 0 based on Foata normal form. 0/375 useless extension candidates. Maximal degree in co-relation 399. Up to 3 conditions per place. [2023-08-29 03:45:01,950 INFO L119 LiptonReduction]: Number of co-enabled transitions 13362 [2023-08-29 03:45:24,697 INFO L134 LiptonReduction]: Checked pairs total: 104366 [2023-08-29 03:45:24,697 INFO L136 LiptonReduction]: Total number of compositions: 452 [2023-08-29 03:45:24,707 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 03:45:24,711 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;@4c9641c8, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 03:45:24,711 INFO L358 AbstractCegarLoop]: Starting to check reachability of 90 error locations. [2023-08-29 03:45:24,712 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 03:45:24,712 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 03:45:24,712 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:45:24,713 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 03:45:24,713 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 86 more)] === [2023-08-29 03:45:24,716 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:45:24,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1896, now seen corresponding path program 1 times [2023-08-29 03:45:24,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:45:24,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592740740] [2023-08-29 03:45:24,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:45:24,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:45:24,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:45:24,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:45:24,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:45:24,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592740740] [2023-08-29 03:45:24,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592740740] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:45:24,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:45:24,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 03:45:24,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248442698] [2023-08-29 03:45:24,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:45:24,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 03:45:24,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:45:24,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 03:45:24,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 03:45:24,815 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 455 out of 949 [2023-08-29 03:45:24,817 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 143 transitions, 304 flow. Second operand has 2 states, 2 states have (on average 455.5) internal successors, (911), 2 states have internal predecessors, (911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:24,817 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:45:24,818 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 455 of 949 [2023-08-29 03:45:24,818 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:45:25,206 INFO L130 PetriNetUnfolder]: 1464/3602 cut-off events. [2023-08-29 03:45:25,207 INFO L131 PetriNetUnfolder]: For 93/93 co-relation queries the response was YES. [2023-08-29 03:45:25,212 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5638 conditions, 3602 events. 1464/3602 cut-off events. For 93/93 co-relation queries the response was YES. Maximal size of possible extension queue 177. Compared 29406 event pairs, 753 based on Foata normal form. 531/3237 useless extension candidates. Maximal degree in co-relation 5158. Up to 1909 conditions per place. [2023-08-29 03:45:25,225 INFO L137 encePairwiseOnDemand]: 903/949 looper letters, 35 selfloop transitions, 0 changer transitions 1/97 dead transitions. [2023-08-29 03:45:25,225 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 97 transitions, 284 flow [2023-08-29 03:45:25,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 03:45:25,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 03:45:25,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 992 transitions. [2023-08-29 03:45:25,239 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5226554267650158 [2023-08-29 03:45:25,240 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 992 transitions. [2023-08-29 03:45:25,240 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 992 transitions. [2023-08-29 03:45:25,242 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:45:25,244 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 992 transitions. [2023-08-29 03:45:25,248 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 496.0) internal successors, (992), 2 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:25,254 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 949.0) internal successors, (2847), 3 states have internal predecessors, (2847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:25,255 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 949.0) internal successors, (2847), 3 states have internal predecessors, (2847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:25,256 INFO L175 Difference]: Start difference. First operand has 141 places, 143 transitions, 304 flow. Second operand 2 states and 992 transitions. [2023-08-29 03:45:25,257 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 97 transitions, 284 flow [2023-08-29 03:45:25,261 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 97 transitions, 272 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-29 03:45:25,263 INFO L231 Difference]: Finished difference. Result has 93 places, 96 transitions, 197 flow [2023-08-29 03:45:25,265 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=949, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=197, PETRI_PLACES=93, PETRI_TRANSITIONS=96} [2023-08-29 03:45:25,269 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -48 predicate places. [2023-08-29 03:45:25,271 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 96 transitions, 197 flow [2023-08-29 03:45:25,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 455.5) internal successors, (911), 2 states have internal predecessors, (911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:25,272 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:45:25,272 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:45:25,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 03:45:25,272 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 86 more)] === [2023-08-29 03:45:25,278 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:45:25,279 INFO L85 PathProgramCache]: Analyzing trace with hash -938995998, now seen corresponding path program 1 times [2023-08-29 03:45:25,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:45:25,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196987513] [2023-08-29 03:45:25,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:45:25,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:45:25,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:45:25,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:45:25,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:45:25,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196987513] [2023-08-29 03:45:25,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196987513] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:45:25,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:45:25,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:45:25,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624033953] [2023-08-29 03:45:25,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:45:25,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:45:25,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:45:25,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:45:25,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:45:25,477 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 433 out of 949 [2023-08-29 03:45:25,478 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 96 transitions, 197 flow. Second operand has 3 states, 3 states have (on average 435.3333333333333) internal successors, (1306), 3 states have internal predecessors, (1306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:25,479 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:45:25,479 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 433 of 949 [2023-08-29 03:45:25,479 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:45:25,973 INFO L130 PetriNetUnfolder]: 2244/5346 cut-off events. [2023-08-29 03:45:25,974 INFO L131 PetriNetUnfolder]: For 36/36 co-relation queries the response was YES. [2023-08-29 03:45:25,980 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8513 conditions, 5346 events. 2244/5346 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 226. Compared 44393 event pairs, 1615 based on Foata normal form. 0/4332 useless extension candidates. Maximal degree in co-relation 8510. Up to 3097 conditions per place. [2023-08-29 03:45:25,996 INFO L137 encePairwiseOnDemand]: 945/949 looper letters, 38 selfloop transitions, 1 changer transitions 0/93 dead transitions. [2023-08-29 03:45:25,996 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 93 transitions, 269 flow [2023-08-29 03:45:25,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:45:25,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:45:25,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1341 transitions. [2023-08-29 03:45:25,999 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47102212855637515 [2023-08-29 03:45:25,999 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1341 transitions. [2023-08-29 03:45:26,000 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1341 transitions. [2023-08-29 03:45:26,000 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:45:26,000 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1341 transitions. [2023-08-29 03:45:26,002 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 447.0) internal successors, (1341), 3 states have internal predecessors, (1341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:26,006 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 949.0) internal successors, (3796), 4 states have internal predecessors, (3796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:26,007 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 949.0) internal successors, (3796), 4 states have internal predecessors, (3796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:26,007 INFO L175 Difference]: Start difference. First operand has 93 places, 96 transitions, 197 flow. Second operand 3 states and 1341 transitions. [2023-08-29 03:45:26,007 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 93 transitions, 269 flow [2023-08-29 03:45:26,008 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 93 transitions, 269 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 03:45:26,009 INFO L231 Difference]: Finished difference. Result has 91 places, 93 transitions, 193 flow [2023-08-29 03:45:26,009 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=949, PETRI_DIFFERENCE_MINUEND_FLOW=191, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=193, PETRI_PLACES=91, PETRI_TRANSITIONS=93} [2023-08-29 03:45:26,010 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -50 predicate places. [2023-08-29 03:45:26,010 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 93 transitions, 193 flow [2023-08-29 03:45:26,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 435.3333333333333) internal successors, (1306), 3 states have internal predecessors, (1306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:26,011 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:45:26,011 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:45:26,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 03:45:26,011 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 86 more)] === [2023-08-29 03:45:26,011 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:45:26,012 INFO L85 PathProgramCache]: Analyzing trace with hash -431632596, now seen corresponding path program 1 times [2023-08-29 03:45:26,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:45:26,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768127083] [2023-08-29 03:45:26,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:45:26,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:45:26,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:45:26,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:45:26,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:45:26,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768127083] [2023-08-29 03:45:26,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768127083] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:45:26,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:45:26,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:45:26,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330473144] [2023-08-29 03:45:26,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:45:26,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:45:26,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:45:26,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:45:26,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:45:26,077 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 442 out of 949 [2023-08-29 03:45:26,079 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 93 transitions, 193 flow. Second operand has 3 states, 3 states have (on average 444.6666666666667) internal successors, (1334), 3 states have internal predecessors, (1334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:26,079 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:45:26,079 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 442 of 949 [2023-08-29 03:45:26,079 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:45:26,398 INFO L130 PetriNetUnfolder]: 1885/4239 cut-off events. [2023-08-29 03:45:26,398 INFO L131 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2023-08-29 03:45:26,403 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6769 conditions, 4239 events. 1885/4239 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 193. Compared 32940 event pairs, 1010 based on Foata normal form. 0/3294 useless extension candidates. Maximal degree in co-relation 6765. Up to 2453 conditions per place. [2023-08-29 03:45:26,418 INFO L137 encePairwiseOnDemand]: 946/949 looper letters, 37 selfloop transitions, 1 changer transitions 0/91 dead transitions. [2023-08-29 03:45:26,418 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 91 transitions, 265 flow [2023-08-29 03:45:26,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:45:26,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:45:26,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1366 transitions. [2023-08-29 03:45:26,421 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47980330172110996 [2023-08-29 03:45:26,421 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1366 transitions. [2023-08-29 03:45:26,421 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1366 transitions. [2023-08-29 03:45:26,422 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:45:26,422 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1366 transitions. [2023-08-29 03:45:26,424 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 455.3333333333333) internal successors, (1366), 3 states have internal predecessors, (1366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:26,428 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 949.0) internal successors, (3796), 4 states have internal predecessors, (3796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:26,429 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 949.0) internal successors, (3796), 4 states have internal predecessors, (3796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:26,429 INFO L175 Difference]: Start difference. First operand has 91 places, 93 transitions, 193 flow. Second operand 3 states and 1366 transitions. [2023-08-29 03:45:26,429 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 91 transitions, 265 flow [2023-08-29 03:45:26,431 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 91 transitions, 264 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 03:45:26,432 INFO L231 Difference]: Finished difference. Result has 90 places, 91 transitions, 190 flow [2023-08-29 03:45:26,432 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=949, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=190, PETRI_PLACES=90, PETRI_TRANSITIONS=91} [2023-08-29 03:45:26,433 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -51 predicate places. [2023-08-29 03:45:26,435 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 91 transitions, 190 flow [2023-08-29 03:45:26,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 444.6666666666667) internal successors, (1334), 3 states have internal predecessors, (1334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:26,436 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:45:26,436 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:45:26,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 03:45:26,436 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 86 more)] === [2023-08-29 03:45:26,437 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:45:26,437 INFO L85 PathProgramCache]: Analyzing trace with hash -96971984, now seen corresponding path program 1 times [2023-08-29 03:45:26,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:45:26,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798963897] [2023-08-29 03:45:26,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:45:26,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:45:26,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:45:26,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:45:26,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:45:26,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798963897] [2023-08-29 03:45:26,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798963897] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:45:26,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:45:26,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:45:26,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278390524] [2023-08-29 03:45:26,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:45:26,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:45:26,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:45:26,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:45:26,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:45:26,695 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 443 out of 949 [2023-08-29 03:45:26,696 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 91 transitions, 190 flow. Second operand has 3 states, 3 states have (on average 446.3333333333333) internal successors, (1339), 3 states have internal predecessors, (1339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:26,696 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:45:26,696 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 443 of 949 [2023-08-29 03:45:26,696 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:45:27,001 INFO L130 PetriNetUnfolder]: 1464/3422 cut-off events. [2023-08-29 03:45:27,001 INFO L131 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2023-08-29 03:45:27,006 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5387 conditions, 3422 events. 1464/3422 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 26774 event pairs, 753 based on Foata normal form. 0/2617 useless extension candidates. Maximal degree in co-relation 5383. Up to 1908 conditions per place. [2023-08-29 03:45:27,014 INFO L137 encePairwiseOnDemand]: 946/949 looper letters, 34 selfloop transitions, 2 changer transitions 0/92 dead transitions. [2023-08-29 03:45:27,014 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 92 transitions, 264 flow [2023-08-29 03:45:27,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:45:27,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:45:27,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1366 transitions. [2023-08-29 03:45:27,017 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47980330172110996 [2023-08-29 03:45:27,017 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1366 transitions. [2023-08-29 03:45:27,017 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1366 transitions. [2023-08-29 03:45:27,017 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:45:27,017 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1366 transitions. [2023-08-29 03:45:27,020 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 455.3333333333333) internal successors, (1366), 3 states have internal predecessors, (1366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:27,023 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 949.0) internal successors, (3796), 4 states have internal predecessors, (3796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:27,024 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 949.0) internal successors, (3796), 4 states have internal predecessors, (3796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:27,024 INFO L175 Difference]: Start difference. First operand has 90 places, 91 transitions, 190 flow. Second operand 3 states and 1366 transitions. [2023-08-29 03:45:27,024 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 92 transitions, 264 flow [2023-08-29 03:45:27,025 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 92 transitions, 263 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 03:45:27,026 INFO L231 Difference]: Finished difference. Result has 92 places, 92 transitions, 201 flow [2023-08-29 03:45:27,026 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=949, PETRI_DIFFERENCE_MINUEND_FLOW=189, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=201, PETRI_PLACES=92, PETRI_TRANSITIONS=92} [2023-08-29 03:45:27,026 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -49 predicate places. [2023-08-29 03:45:27,027 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 92 transitions, 201 flow [2023-08-29 03:45:27,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 446.3333333333333) internal successors, (1339), 3 states have internal predecessors, (1339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:27,027 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:45:27,028 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:45:27,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 03:45:27,028 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 86 more)] === [2023-08-29 03:45:27,028 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:45:27,028 INFO L85 PathProgramCache]: Analyzing trace with hash -41923511, now seen corresponding path program 1 times [2023-08-29 03:45:27,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:45:27,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287946548] [2023-08-29 03:45:27,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:45:27,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:45:27,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:45:27,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 03:45:27,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:45:27,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287946548] [2023-08-29 03:45:27,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287946548] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:45:27,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:45:27,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 03:45:27,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137066876] [2023-08-29 03:45:27,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:45:27,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-29 03:45:27,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:45:27,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-29 03:45:27,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-29 03:45:27,202 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 441 out of 949 [2023-08-29 03:45:27,204 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 92 transitions, 201 flow. Second operand has 4 states, 4 states have (on average 443.75) internal successors, (1775), 4 states have internal predecessors, (1775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:27,204 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:45:27,204 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 441 of 949 [2023-08-29 03:45:27,204 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:45:27,537 INFO L130 PetriNetUnfolder]: 1464/3424 cut-off events. [2023-08-29 03:45:27,537 INFO L131 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2023-08-29 03:45:27,542 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5397 conditions, 3424 events. 1464/3424 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 26804 event pairs, 753 based on Foata normal form. 0/2618 useless extension candidates. Maximal degree in co-relation 5392. Up to 1907 conditions per place. [2023-08-29 03:45:27,552 INFO L137 encePairwiseOnDemand]: 942/949 looper letters, 32 selfloop transitions, 6 changer transitions 0/94 dead transitions. [2023-08-29 03:45:27,552 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 94 transitions, 281 flow [2023-08-29 03:45:27,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-29 03:45:27,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-29 03:45:27,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1804 transitions. [2023-08-29 03:45:27,556 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47523709167544786 [2023-08-29 03:45:27,556 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1804 transitions. [2023-08-29 03:45:27,557 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1804 transitions. [2023-08-29 03:45:27,557 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:45:27,557 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1804 transitions. [2023-08-29 03:45:27,561 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 451.0) internal successors, (1804), 4 states have internal predecessors, (1804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:27,566 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 949.0) internal successors, (4745), 5 states have internal predecessors, (4745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:27,568 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 949.0) internal successors, (4745), 5 states have internal predecessors, (4745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:27,568 INFO L175 Difference]: Start difference. First operand has 92 places, 92 transitions, 201 flow. Second operand 4 states and 1804 transitions. [2023-08-29 03:45:27,568 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 94 transitions, 281 flow [2023-08-29 03:45:27,570 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 94 transitions, 277 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-29 03:45:27,572 INFO L231 Difference]: Finished difference. Result has 95 places, 94 transitions, 225 flow [2023-08-29 03:45:27,573 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=949, PETRI_DIFFERENCE_MINUEND_FLOW=197, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=225, PETRI_PLACES=95, PETRI_TRANSITIONS=94} [2023-08-29 03:45:27,574 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -46 predicate places. [2023-08-29 03:45:27,574 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 94 transitions, 225 flow [2023-08-29 03:45:27,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 443.75) internal successors, (1775), 4 states have internal predecessors, (1775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:27,575 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:45:27,575 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:45:27,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 03:45:27,575 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 86 more)] === [2023-08-29 03:45:27,576 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:45:27,576 INFO L85 PathProgramCache]: Analyzing trace with hash 45779351, now seen corresponding path program 1 times [2023-08-29 03:45:27,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:45:27,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99045601] [2023-08-29 03:45:27,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:45:27,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:45:27,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:45:27,922 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-08-29 03:45:27,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:45:27,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99045601] [2023-08-29 03:45:27,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99045601] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:45:27,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:45:27,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:45:27,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310184088] [2023-08-29 03:45:27,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:45:27,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:45:27,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:45:27,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:45:27,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:45:28,315 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 434 out of 949 [2023-08-29 03:45:28,317 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 94 transitions, 225 flow. Second operand has 6 states, 6 states have (on average 437.0) internal successors, (2622), 6 states have internal predecessors, (2622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:28,317 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:45:28,317 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 434 of 949 [2023-08-29 03:45:28,317 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:45:29,654 INFO L130 PetriNetUnfolder]: 7780/12675 cut-off events. [2023-08-29 03:45:29,654 INFO L131 PetriNetUnfolder]: For 20/32 co-relation queries the response was YES. [2023-08-29 03:45:29,669 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22527 conditions, 12675 events. 7780/12675 cut-off events. For 20/32 co-relation queries the response was YES. Maximal size of possible extension queue 517. Compared 91995 event pairs, 1991 based on Foata normal form. 4/9566 useless extension candidates. Maximal degree in co-relation 22521. Up to 5477 conditions per place. [2023-08-29 03:45:29,701 INFO L137 encePairwiseOnDemand]: 942/949 looper letters, 115 selfloop transitions, 9 changer transitions 0/174 dead transitions. [2023-08-29 03:45:29,701 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 174 transitions, 635 flow [2023-08-29 03:45:29,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:45:29,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:45:29,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2726 transitions. [2023-08-29 03:45:29,705 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47874956094134175 [2023-08-29 03:45:29,705 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2726 transitions. [2023-08-29 03:45:29,706 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2726 transitions. [2023-08-29 03:45:29,706 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:45:29,707 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2726 transitions. [2023-08-29 03:45:29,710 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 454.3333333333333) internal successors, (2726), 6 states have internal predecessors, (2726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:29,715 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 949.0) internal successors, (6643), 7 states have internal predecessors, (6643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:29,716 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 949.0) internal successors, (6643), 7 states have internal predecessors, (6643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:29,716 INFO L175 Difference]: Start difference. First operand has 95 places, 94 transitions, 225 flow. Second operand 6 states and 2726 transitions. [2023-08-29 03:45:29,716 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 174 transitions, 635 flow [2023-08-29 03:45:29,717 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 174 transitions, 634 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 03:45:29,719 INFO L231 Difference]: Finished difference. Result has 104 places, 102 transitions, 288 flow [2023-08-29 03:45:29,719 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=949, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=288, PETRI_PLACES=104, PETRI_TRANSITIONS=102} [2023-08-29 03:45:29,719 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -37 predicate places. [2023-08-29 03:45:29,720 INFO L495 AbstractCegarLoop]: Abstraction has has 104 places, 102 transitions, 288 flow [2023-08-29 03:45:29,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 437.0) internal successors, (2622), 6 states have internal predecessors, (2622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:29,720 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:45:29,721 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:45:29,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 03:45:29,721 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 86 more)] === [2023-08-29 03:45:29,721 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:45:29,721 INFO L85 PathProgramCache]: Analyzing trace with hash 40373737, now seen corresponding path program 1 times [2023-08-29 03:45:29,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:45:29,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310009290] [2023-08-29 03:45:29,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:45:29,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:45:29,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:45:29,826 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 03:45:29,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:45:29,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310009290] [2023-08-29 03:45:29,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310009290] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 03:45:29,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1634865505] [2023-08-29 03:45:29,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:45:29,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 03:45:29,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:45:29,830 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 03:45:29,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-08-29 03:45:29,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:45:29,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 7 conjunts are in the unsatisfiable core [2023-08-29 03:45:29,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 03:45:30,061 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 03:45:30,061 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-29 03:45:30,108 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 03:45:30,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1634865505] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-29 03:45:30,108 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-29 03:45:30,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2023-08-29 03:45:30,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787027839] [2023-08-29 03:45:30,108 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-29 03:45:30,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-29 03:45:30,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:45:30,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-29 03:45:30,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2023-08-29 03:45:30,708 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 431 out of 949 [2023-08-29 03:45:30,711 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 102 transitions, 288 flow. Second operand has 12 states, 12 states have (on average 432.6666666666667) internal successors, (5192), 12 states have internal predecessors, (5192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:30,711 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:45:30,711 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 431 of 949 [2023-08-29 03:45:30,711 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:45:32,224 INFO L130 PetriNetUnfolder]: 5656/11573 cut-off events. [2023-08-29 03:45:32,224 INFO L131 PetriNetUnfolder]: For 1492/1613 co-relation queries the response was YES. [2023-08-29 03:45:32,250 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21304 conditions, 11573 events. 5656/11573 cut-off events. For 1492/1613 co-relation queries the response was YES. Maximal size of possible extension queue 480. Compared 100012 event pairs, 1979 based on Foata normal form. 29/9220 useless extension candidates. Maximal degree in co-relation 21294. Up to 3870 conditions per place. [2023-08-29 03:45:32,285 INFO L137 encePairwiseOnDemand]: 939/949 looper letters, 132 selfloop transitions, 21 changer transitions 0/212 dead transitions. [2023-08-29 03:45:32,285 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 212 transitions, 963 flow [2023-08-29 03:45:32,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 03:45:32,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 03:45:32,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 4441 transitions. [2023-08-29 03:45:32,292 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46796628029504744 [2023-08-29 03:45:32,292 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 4441 transitions. [2023-08-29 03:45:32,292 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 4441 transitions. [2023-08-29 03:45:32,294 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:45:32,294 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 4441 transitions. [2023-08-29 03:45:32,300 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 444.1) internal successors, (4441), 10 states have internal predecessors, (4441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:32,307 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 949.0) internal successors, (10439), 11 states have internal predecessors, (10439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:32,308 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 949.0) internal successors, (10439), 11 states have internal predecessors, (10439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:32,308 INFO L175 Difference]: Start difference. First operand has 104 places, 102 transitions, 288 flow. Second operand 10 states and 4441 transitions. [2023-08-29 03:45:32,308 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 212 transitions, 963 flow [2023-08-29 03:45:32,318 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 212 transitions, 963 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 03:45:32,320 INFO L231 Difference]: Finished difference. Result has 118 places, 117 transitions, 438 flow [2023-08-29 03:45:32,321 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=949, PETRI_DIFFERENCE_MINUEND_FLOW=288, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=438, PETRI_PLACES=118, PETRI_TRANSITIONS=117} [2023-08-29 03:45:32,321 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -23 predicate places. [2023-08-29 03:45:32,321 INFO L495 AbstractCegarLoop]: Abstraction has has 118 places, 117 transitions, 438 flow [2023-08-29 03:45:32,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 432.6666666666667) internal successors, (5192), 12 states have internal predecessors, (5192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:32,322 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:45:32,323 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:45:32,333 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-08-29 03:45:32,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 03:45:32,528 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 86 more)] === [2023-08-29 03:45:32,528 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:45:32,528 INFO L85 PathProgramCache]: Analyzing trace with hash 833024825, now seen corresponding path program 1 times [2023-08-29 03:45:32,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:45:32,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796737494] [2023-08-29 03:45:32,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:45:32,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:45:32,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:45:32,667 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 03:45:32,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:45:32,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796737494] [2023-08-29 03:45:32,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796737494] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 03:45:32,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2011441086] [2023-08-29 03:45:32,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:45:32,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 03:45:32,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:45:32,669 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 03:45:32,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-08-29 03:45:32,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:45:32,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 7 conjunts are in the unsatisfiable core [2023-08-29 03:45:32,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 03:45:32,876 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 03:45:32,876 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-29 03:45:32,916 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 03:45:32,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2011441086] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-29 03:45:32,917 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-29 03:45:32,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2023-08-29 03:45:32,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220503900] [2023-08-29 03:45:32,917 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-29 03:45:32,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-29 03:45:32,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:45:32,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-29 03:45:32,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2023-08-29 03:45:33,377 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 431 out of 949 [2023-08-29 03:45:33,379 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 117 transitions, 438 flow. Second operand has 12 states, 12 states have (on average 433.1666666666667) internal successors, (5198), 12 states have internal predecessors, (5198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:33,380 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:45:33,380 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 431 of 949 [2023-08-29 03:45:33,380 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:45:34,265 INFO L130 PetriNetUnfolder]: 3944/8623 cut-off events. [2023-08-29 03:45:34,266 INFO L131 PetriNetUnfolder]: For 1921/2120 co-relation queries the response was YES. [2023-08-29 03:45:34,289 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16142 conditions, 8623 events. 3944/8623 cut-off events. For 1921/2120 co-relation queries the response was YES. Maximal size of possible extension queue 343. Compared 74969 event pairs, 1345 based on Foata normal form. 66/7168 useless extension candidates. Maximal degree in co-relation 16127. Up to 3219 conditions per place. [2023-08-29 03:45:34,313 INFO L137 encePairwiseOnDemand]: 939/949 looper letters, 112 selfloop transitions, 21 changer transitions 0/194 dead transitions. [2023-08-29 03:45:34,314 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 194 transitions, 909 flow [2023-08-29 03:45:34,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 03:45:34,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 03:45:34,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 4441 transitions. [2023-08-29 03:45:34,321 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46796628029504744 [2023-08-29 03:45:34,321 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 4441 transitions. [2023-08-29 03:45:34,321 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 4441 transitions. [2023-08-29 03:45:34,322 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:45:34,322 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 4441 transitions. [2023-08-29 03:45:34,327 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 444.1) internal successors, (4441), 10 states have internal predecessors, (4441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:34,334 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 949.0) internal successors, (10439), 11 states have internal predecessors, (10439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:34,335 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 949.0) internal successors, (10439), 11 states have internal predecessors, (10439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:34,336 INFO L175 Difference]: Start difference. First operand has 118 places, 117 transitions, 438 flow. Second operand 10 states and 4441 transitions. [2023-08-29 03:45:34,336 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 194 transitions, 909 flow [2023-08-29 03:45:34,345 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 194 transitions, 887 flow, removed 5 selfloop flow, removed 1 redundant places. [2023-08-29 03:45:34,347 INFO L231 Difference]: Finished difference. Result has 129 places, 120 transitions, 481 flow [2023-08-29 03:45:34,348 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=949, PETRI_DIFFERENCE_MINUEND_FLOW=416, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=481, PETRI_PLACES=129, PETRI_TRANSITIONS=120} [2023-08-29 03:45:34,349 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -12 predicate places. [2023-08-29 03:45:34,349 INFO L495 AbstractCegarLoop]: Abstraction has has 129 places, 120 transitions, 481 flow [2023-08-29 03:45:34,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 433.1666666666667) internal successors, (5198), 12 states have internal predecessors, (5198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:34,351 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:45:34,351 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:45:34,357 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-08-29 03:45:34,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-08-29 03:45:34,558 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 86 more)] === [2023-08-29 03:45:34,559 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:45:34,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1189619696, now seen corresponding path program 2 times [2023-08-29 03:45:34,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:45:34,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984761170] [2023-08-29 03:45:34,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:45:34,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:45:34,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:45:34,991 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-08-29 03:45:34,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:45:34,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984761170] [2023-08-29 03:45:34,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984761170] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:45:34,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:45:34,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:45:34,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108599568] [2023-08-29 03:45:34,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:45:34,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:45:34,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:45:34,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:45:34,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:45:35,424 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 427 out of 949 [2023-08-29 03:45:35,426 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 120 transitions, 481 flow. Second operand has 6 states, 6 states have (on average 429.5) internal successors, (2577), 6 states have internal predecessors, (2577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:35,426 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:45:35,426 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 427 of 949 [2023-08-29 03:45:35,426 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:45:37,563 INFO L130 PetriNetUnfolder]: 11834/19861 cut-off events. [2023-08-29 03:45:37,563 INFO L131 PetriNetUnfolder]: For 9325/9745 co-relation queries the response was YES. [2023-08-29 03:45:37,617 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46281 conditions, 19861 events. 11834/19861 cut-off events. For 9325/9745 co-relation queries the response was YES. Maximal size of possible extension queue 889. Compared 154800 event pairs, 2224 based on Foata normal form. 52/16967 useless extension candidates. Maximal degree in co-relation 46263. Up to 8760 conditions per place. [2023-08-29 03:45:37,683 INFO L137 encePairwiseOnDemand]: 933/949 looper letters, 119 selfloop transitions, 33 changer transitions 0/203 dead transitions. [2023-08-29 03:45:37,683 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 203 transitions, 1059 flow [2023-08-29 03:45:37,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:45:37,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:45:37,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2677 transitions. [2023-08-29 03:45:37,688 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4701440112399016 [2023-08-29 03:45:37,688 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2677 transitions. [2023-08-29 03:45:37,688 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2677 transitions. [2023-08-29 03:45:37,689 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:45:37,690 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2677 transitions. [2023-08-29 03:45:37,693 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 446.1666666666667) internal successors, (2677), 6 states have internal predecessors, (2677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:37,698 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 949.0) internal successors, (6643), 7 states have internal predecessors, (6643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:37,700 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 949.0) internal successors, (6643), 7 states have internal predecessors, (6643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:37,700 INFO L175 Difference]: Start difference. First operand has 129 places, 120 transitions, 481 flow. Second operand 6 states and 2677 transitions. [2023-08-29 03:45:37,700 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 203 transitions, 1059 flow [2023-08-29 03:45:37,817 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 203 transitions, 1038 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-29 03:45:37,819 INFO L231 Difference]: Finished difference. Result has 136 places, 152 transitions, 766 flow [2023-08-29 03:45:37,819 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=949, PETRI_DIFFERENCE_MINUEND_FLOW=460, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=766, PETRI_PLACES=136, PETRI_TRANSITIONS=152} [2023-08-29 03:45:37,819 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -5 predicate places. [2023-08-29 03:45:37,820 INFO L495 AbstractCegarLoop]: Abstraction has has 136 places, 152 transitions, 766 flow [2023-08-29 03:45:37,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 429.5) internal successors, (2577), 6 states have internal predecessors, (2577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:37,820 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:45:37,821 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:45:37,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 03:45:37,821 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 86 more)] === [2023-08-29 03:45:37,821 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:45:37,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1776508583, now seen corresponding path program 1 times [2023-08-29 03:45:37,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:45:37,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6316342] [2023-08-29 03:45:37,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:45:37,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:45:37,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:45:37,869 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-08-29 03:45:37,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:45:37,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6316342] [2023-08-29 03:45:37,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6316342] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:45:37,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:45:37,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:45:37,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788074047] [2023-08-29 03:45:37,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:45:37,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:45:37,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:45:37,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:45:37,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:45:37,880 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 447 out of 949 [2023-08-29 03:45:37,881 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 152 transitions, 766 flow. Second operand has 3 states, 3 states have (on average 450.6666666666667) internal successors, (1352), 3 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:37,881 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:45:37,881 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 447 of 949 [2023-08-29 03:45:37,882 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:45:40,255 INFO L130 PetriNetUnfolder]: 12047/23688 cut-off events. [2023-08-29 03:45:40,256 INFO L131 PetriNetUnfolder]: For 21973/23919 co-relation queries the response was YES. [2023-08-29 03:45:40,346 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60309 conditions, 23688 events. 12047/23688 cut-off events. For 21973/23919 co-relation queries the response was YES. Maximal size of possible extension queue 715. Compared 216867 event pairs, 2210 based on Foata normal form. 102/20698 useless extension candidates. Maximal degree in co-relation 60286. Up to 9117 conditions per place. [2023-08-29 03:45:40,418 INFO L137 encePairwiseOnDemand]: 945/949 looper letters, 124 selfloop transitions, 6 changer transitions 0/200 dead transitions. [2023-08-29 03:45:40,418 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 200 transitions, 1338 flow [2023-08-29 03:45:40,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:45:40,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:45:40,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1399 transitions. [2023-08-29 03:45:40,425 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4913944502985599 [2023-08-29 03:45:40,425 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1399 transitions. [2023-08-29 03:45:40,425 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1399 transitions. [2023-08-29 03:45:40,427 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:45:40,427 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1399 transitions. [2023-08-29 03:45:40,429 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 466.3333333333333) internal successors, (1399), 3 states have internal predecessors, (1399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:40,433 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 949.0) internal successors, (3796), 4 states have internal predecessors, (3796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:40,433 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 949.0) internal successors, (3796), 4 states have internal predecessors, (3796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:40,433 INFO L175 Difference]: Start difference. First operand has 136 places, 152 transitions, 766 flow. Second operand 3 states and 1399 transitions. [2023-08-29 03:45:40,433 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 200 transitions, 1338 flow [2023-08-29 03:45:40,523 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 200 transitions, 1338 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 03:45:40,525 INFO L231 Difference]: Finished difference. Result has 138 places, 155 transitions, 810 flow [2023-08-29 03:45:40,526 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=949, PETRI_DIFFERENCE_MINUEND_FLOW=764, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=810, PETRI_PLACES=138, PETRI_TRANSITIONS=155} [2023-08-29 03:45:40,526 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -3 predicate places. [2023-08-29 03:45:40,526 INFO L495 AbstractCegarLoop]: Abstraction has has 138 places, 155 transitions, 810 flow [2023-08-29 03:45:40,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 450.6666666666667) internal successors, (1352), 3 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:40,527 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:45:40,527 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:45:40,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 03:45:40,528 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 86 more)] === [2023-08-29 03:45:40,528 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:45:40,528 INFO L85 PathProgramCache]: Analyzing trace with hash -762799491, now seen corresponding path program 1 times [2023-08-29 03:45:40,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:45:40,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025702753] [2023-08-29 03:45:40,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:45:40,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:45:40,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:45:40,578 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-08-29 03:45:40,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:45:40,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025702753] [2023-08-29 03:45:40,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025702753] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:45:40,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:45:40,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:45:40,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487707861] [2023-08-29 03:45:40,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:45:40,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:45:40,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:45:40,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:45:40,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:45:40,591 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 442 out of 949 [2023-08-29 03:45:40,592 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 155 transitions, 810 flow. Second operand has 3 states, 3 states have (on average 446.0) internal successors, (1338), 3 states have internal predecessors, (1338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:40,592 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:45:40,592 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 442 of 949 [2023-08-29 03:45:40,592 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:45:43,061 INFO L130 PetriNetUnfolder]: 13053/24004 cut-off events. [2023-08-29 03:45:43,062 INFO L131 PetriNetUnfolder]: For 27770/29935 co-relation queries the response was YES. [2023-08-29 03:45:43,177 INFO L83 FinitePrefix]: Finished finitePrefix Result has 63973 conditions, 24004 events. 13053/24004 cut-off events. For 27770/29935 co-relation queries the response was YES. Maximal size of possible extension queue 769. Compared 208030 event pairs, 5272 based on Foata normal form. 118/21391 useless extension candidates. Maximal degree in co-relation 63949. Up to 16252 conditions per place. [2023-08-29 03:45:43,264 INFO L137 encePairwiseOnDemand]: 946/949 looper letters, 85 selfloop transitions, 2 changer transitions 0/153 dead transitions. [2023-08-29 03:45:43,264 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 153 transitions, 980 flow [2023-08-29 03:45:43,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:45:43,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:45:43,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1365 transitions. [2023-08-29 03:45:43,267 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4794520547945205 [2023-08-29 03:45:43,267 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1365 transitions. [2023-08-29 03:45:43,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1365 transitions. [2023-08-29 03:45:43,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:45:43,268 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1365 transitions. [2023-08-29 03:45:43,270 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 455.0) internal successors, (1365), 3 states have internal predecessors, (1365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:43,273 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 949.0) internal successors, (3796), 4 states have internal predecessors, (3796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:43,273 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 949.0) internal successors, (3796), 4 states have internal predecessors, (3796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:43,273 INFO L175 Difference]: Start difference. First operand has 138 places, 155 transitions, 810 flow. Second operand 3 states and 1365 transitions. [2023-08-29 03:45:43,273 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 153 transitions, 980 flow [2023-08-29 03:45:43,381 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 153 transitions, 974 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 03:45:43,383 INFO L231 Difference]: Finished difference. Result has 137 places, 153 transitions, 804 flow [2023-08-29 03:45:43,383 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=949, PETRI_DIFFERENCE_MINUEND_FLOW=800, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=804, PETRI_PLACES=137, PETRI_TRANSITIONS=153} [2023-08-29 03:45:43,383 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -4 predicate places. [2023-08-29 03:45:43,383 INFO L495 AbstractCegarLoop]: Abstraction has has 137 places, 153 transitions, 804 flow [2023-08-29 03:45:43,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 446.0) internal successors, (1338), 3 states have internal predecessors, (1338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:43,384 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:45:43,384 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:45:43,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-29 03:45:43,384 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 86 more)] === [2023-08-29 03:45:43,384 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:45:43,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1535335502, now seen corresponding path program 2 times [2023-08-29 03:45:43,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:45:43,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589918917] [2023-08-29 03:45:43,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:45:43,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:45:43,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:45:44,040 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-08-29 03:45:44,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:45:44,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589918917] [2023-08-29 03:45:44,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589918917] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:45:44,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:45:44,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 03:45:44,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527507005] [2023-08-29 03:45:44,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:45:44,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 03:45:44,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:45:44,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 03:45:44,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-08-29 03:45:45,427 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 422 out of 949 [2023-08-29 03:45:45,430 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 153 transitions, 804 flow. Second operand has 11 states, 11 states have (on average 423.8181818181818) internal successors, (4662), 11 states have internal predecessors, (4662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:45,430 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:45:45,430 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 422 of 949 [2023-08-29 03:45:45,430 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:45:49,387 INFO L130 PetriNetUnfolder]: 22244/33780 cut-off events. [2023-08-29 03:45:49,388 INFO L131 PetriNetUnfolder]: For 37833/42289 co-relation queries the response was YES. [2023-08-29 03:45:49,503 INFO L83 FinitePrefix]: Finished finitePrefix Result has 96442 conditions, 33780 events. 22244/33780 cut-off events. For 37833/42289 co-relation queries the response was YES. Maximal size of possible extension queue 987. Compared 246358 event pairs, 2231 based on Foata normal form. 1686/31596 useless extension candidates. Maximal degree in co-relation 96417. Up to 9892 conditions per place. [2023-08-29 03:45:49,603 INFO L137 encePairwiseOnDemand]: 943/949 looper letters, 218 selfloop transitions, 8 changer transitions 0/284 dead transitions. [2023-08-29 03:45:49,603 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 284 transitions, 1948 flow [2023-08-29 03:45:49,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-29 03:45:49,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-29 03:45:49,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 3067 transitions. [2023-08-29 03:45:49,608 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4616889959355713 [2023-08-29 03:45:49,608 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 3067 transitions. [2023-08-29 03:45:49,608 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 3067 transitions. [2023-08-29 03:45:49,610 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:45:49,610 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 3067 transitions. [2023-08-29 03:45:49,613 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 438.14285714285717) internal successors, (3067), 7 states have internal predecessors, (3067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:49,618 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 949.0) internal successors, (7592), 8 states have internal predecessors, (7592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:49,618 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 949.0) internal successors, (7592), 8 states have internal predecessors, (7592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:49,618 INFO L175 Difference]: Start difference. First operand has 137 places, 153 transitions, 804 flow. Second operand 7 states and 3067 transitions. [2023-08-29 03:45:49,618 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 284 transitions, 1948 flow [2023-08-29 03:45:49,874 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 284 transitions, 1939 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 03:45:49,876 INFO L231 Difference]: Finished difference. Result has 140 places, 152 transitions, 807 flow [2023-08-29 03:45:49,877 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=949, PETRI_DIFFERENCE_MINUEND_FLOW=791, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=807, PETRI_PLACES=140, PETRI_TRANSITIONS=152} [2023-08-29 03:45:49,877 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -1 predicate places. [2023-08-29 03:45:49,877 INFO L495 AbstractCegarLoop]: Abstraction has has 140 places, 152 transitions, 807 flow [2023-08-29 03:45:49,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 423.8181818181818) internal successors, (4662), 11 states have internal predecessors, (4662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:49,878 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:45:49,878 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:45:49,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-29 03:45:49,878 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 86 more)] === [2023-08-29 03:45:49,879 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:45:49,879 INFO L85 PathProgramCache]: Analyzing trace with hash 879521503, now seen corresponding path program 1 times [2023-08-29 03:45:49,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:45:49,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279423671] [2023-08-29 03:45:49,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:45:49,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:45:49,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:45:50,407 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-08-29 03:45:50,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:45:50,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279423671] [2023-08-29 03:45:50,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279423671] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:45:50,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:45:50,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:45:50,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852358087] [2023-08-29 03:45:50,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:45:50,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:45:50,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:45:50,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:45:50,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:45:50,803 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 434 out of 949 [2023-08-29 03:45:50,804 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 152 transitions, 807 flow. Second operand has 6 states, 6 states have (on average 437.5) internal successors, (2625), 6 states have internal predecessors, (2625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:50,804 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:45:50,805 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 434 of 949 [2023-08-29 03:45:50,805 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:45:53,710 INFO L130 PetriNetUnfolder]: 13363/24568 cut-off events. [2023-08-29 03:45:53,711 INFO L131 PetriNetUnfolder]: For 27373/29559 co-relation queries the response was YES. [2023-08-29 03:45:53,796 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64879 conditions, 24568 events. 13363/24568 cut-off events. For 27373/29559 co-relation queries the response was YES. Maximal size of possible extension queue 758. Compared 213838 event pairs, 4730 based on Foata normal form. 158/21908 useless extension candidates. Maximal degree in co-relation 64855. Up to 15323 conditions per place. [2023-08-29 03:45:53,862 INFO L137 encePairwiseOnDemand]: 942/949 looper letters, 120 selfloop transitions, 13 changer transitions 0/194 dead transitions. [2023-08-29 03:45:53,862 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 194 transitions, 1230 flow [2023-08-29 03:45:53,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:45:53,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:45:53,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2680 transitions. [2023-08-29 03:45:53,866 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47067088162978576 [2023-08-29 03:45:53,866 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2680 transitions. [2023-08-29 03:45:53,866 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2680 transitions. [2023-08-29 03:45:53,867 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:45:53,868 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2680 transitions. [2023-08-29 03:45:53,870 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 446.6666666666667) internal successors, (2680), 6 states have internal predecessors, (2680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:53,874 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 949.0) internal successors, (6643), 7 states have internal predecessors, (6643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:53,874 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 949.0) internal successors, (6643), 7 states have internal predecessors, (6643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:53,874 INFO L175 Difference]: Start difference. First operand has 140 places, 152 transitions, 807 flow. Second operand 6 states and 2680 transitions. [2023-08-29 03:45:53,874 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 194 transitions, 1230 flow [2023-08-29 03:45:53,958 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 194 transitions, 1216 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 03:45:53,960 INFO L231 Difference]: Finished difference. Result has 145 places, 164 transitions, 919 flow [2023-08-29 03:45:53,960 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=949, PETRI_DIFFERENCE_MINUEND_FLOW=793, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=919, PETRI_PLACES=145, PETRI_TRANSITIONS=164} [2023-08-29 03:45:53,960 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, 4 predicate places. [2023-08-29 03:45:53,960 INFO L495 AbstractCegarLoop]: Abstraction has has 145 places, 164 transitions, 919 flow [2023-08-29 03:45:53,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 437.5) internal successors, (2625), 6 states have internal predecessors, (2625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:53,961 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:45:53,961 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:45:53,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-29 03:45:53,961 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 86 more)] === [2023-08-29 03:45:53,961 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:45:53,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1444693734, now seen corresponding path program 1 times [2023-08-29 03:45:53,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:45:53,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310432679] [2023-08-29 03:45:53,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:45:53,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:45:53,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:45:55,052 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-08-29 03:45:55,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:45:55,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310432679] [2023-08-29 03:45:55,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310432679] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:45:55,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:45:55,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 03:45:55,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046707608] [2023-08-29 03:45:55,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:45:55,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 03:45:55,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:45:55,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 03:45:55,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2023-08-29 03:45:56,588 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 949 [2023-08-29 03:45:56,590 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 164 transitions, 919 flow. Second operand has 11 states, 11 states have (on average 417.6363636363636) internal successors, (4594), 11 states have internal predecessors, (4594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:56,590 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:45:56,590 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 949 [2023-08-29 03:45:56,590 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:46:02,827 INFO L130 PetriNetUnfolder]: 32231/53088 cut-off events. [2023-08-29 03:46:02,827 INFO L131 PetriNetUnfolder]: For 63786/70155 co-relation queries the response was YES. [2023-08-29 03:46:03,133 INFO L83 FinitePrefix]: Finished finitePrefix Result has 146750 conditions, 53088 events. 32231/53088 cut-off events. For 63786/70155 co-relation queries the response was YES. Maximal size of possible extension queue 1192. Compared 441690 event pairs, 4866 based on Foata normal form. 517/47913 useless extension candidates. Maximal degree in co-relation 146722. Up to 12418 conditions per place. [2023-08-29 03:46:03,317 INFO L137 encePairwiseOnDemand]: 936/949 looper letters, 282 selfloop transitions, 72 changer transitions 0/409 dead transitions. [2023-08-29 03:46:03,317 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 409 transitions, 3256 flow [2023-08-29 03:46:03,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-29 03:46:03,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-29 03:46:03,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 4729 transitions. [2023-08-29 03:46:03,326 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45301274068397357 [2023-08-29 03:46:03,326 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 4729 transitions. [2023-08-29 03:46:03,326 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 4729 transitions. [2023-08-29 03:46:03,327 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:46:03,328 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 4729 transitions. [2023-08-29 03:46:03,334 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 429.90909090909093) internal successors, (4729), 11 states have internal predecessors, (4729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:46:03,339 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 949.0) internal successors, (11388), 12 states have internal predecessors, (11388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:46:03,340 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 949.0) internal successors, (11388), 12 states have internal predecessors, (11388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:46:03,340 INFO L175 Difference]: Start difference. First operand has 145 places, 164 transitions, 919 flow. Second operand 11 states and 4729 transitions. [2023-08-29 03:46:03,340 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 409 transitions, 3256 flow [2023-08-29 03:46:03,474 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 409 transitions, 3200 flow, removed 28 selfloop flow, removed 0 redundant places. [2023-08-29 03:46:03,477 INFO L231 Difference]: Finished difference. Result has 158 places, 217 transitions, 1652 flow [2023-08-29 03:46:03,477 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=949, PETRI_DIFFERENCE_MINUEND_FLOW=899, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1652, PETRI_PLACES=158, PETRI_TRANSITIONS=217} [2023-08-29 03:46:03,478 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, 17 predicate places. [2023-08-29 03:46:03,478 INFO L495 AbstractCegarLoop]: Abstraction has has 158 places, 217 transitions, 1652 flow [2023-08-29 03:46:03,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 417.6363636363636) internal successors, (4594), 11 states have internal predecessors, (4594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:46:03,479 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:46:03,479 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:46:03,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-29 03:46:03,479 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 86 more)] === [2023-08-29 03:46:03,479 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:46:03,479 INFO L85 PathProgramCache]: Analyzing trace with hash 652334830, now seen corresponding path program 2 times [2023-08-29 03:46:03,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:46:03,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728169221] [2023-08-29 03:46:03,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:46:03,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:46:03,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:46:04,584 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-08-29 03:46:04,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:46:04,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728169221] [2023-08-29 03:46:04,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728169221] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:46:04,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:46:04,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-29 03:46:04,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920274735] [2023-08-29 03:46:04,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:46:04,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-29 03:46:04,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:46:04,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-29 03:46:04,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-08-29 03:46:05,418 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 420 out of 949 [2023-08-29 03:46:05,420 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 217 transitions, 1652 flow. Second operand has 9 states, 9 states have (on average 421.77777777777777) internal successors, (3796), 9 states have internal predecessors, (3796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:46:05,420 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:46:05,420 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 420 of 949 [2023-08-29 03:46:05,420 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:46:13,094 INFO L130 PetriNetUnfolder]: 35182/63962 cut-off events. [2023-08-29 03:46:13,094 INFO L131 PetriNetUnfolder]: For 151393/160587 co-relation queries the response was YES. [2023-08-29 03:46:13,612 INFO L83 FinitePrefix]: Finished finitePrefix Result has 189903 conditions, 63962 events. 35182/63962 cut-off events. For 151393/160587 co-relation queries the response was YES. Maximal size of possible extension queue 1780. Compared 611493 event pairs, 5324 based on Foata normal form. 400/57482 useless extension candidates. Maximal degree in co-relation 189870. Up to 29752 conditions per place. [2023-08-29 03:46:14,025 INFO L137 encePairwiseOnDemand]: 937/949 looper letters, 220 selfloop transitions, 124 changer transitions 0/407 dead transitions. [2023-08-29 03:46:14,025 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 407 transitions, 3851 flow [2023-08-29 03:46:14,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 03:46:14,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 03:46:14,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 4325 transitions. [2023-08-29 03:46:14,030 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45574288724973655 [2023-08-29 03:46:14,030 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 4325 transitions. [2023-08-29 03:46:14,030 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 4325 transitions. [2023-08-29 03:46:14,030 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:46:14,030 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 4325 transitions. [2023-08-29 03:46:14,034 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 432.5) internal successors, (4325), 10 states have internal predecessors, (4325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:46:14,039 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 949.0) internal successors, (10439), 11 states have internal predecessors, (10439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:46:14,040 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 949.0) internal successors, (10439), 11 states have internal predecessors, (10439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:46:14,040 INFO L175 Difference]: Start difference. First operand has 158 places, 217 transitions, 1652 flow. Second operand 10 states and 4325 transitions. [2023-08-29 03:46:14,040 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 407 transitions, 3851 flow [2023-08-29 03:46:14,461 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 407 transitions, 3835 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 03:46:14,465 INFO L231 Difference]: Finished difference. Result has 166 places, 296 transitions, 3065 flow [2023-08-29 03:46:14,465 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=949, PETRI_DIFFERENCE_MINUEND_FLOW=1636, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=217, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=57, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=3065, PETRI_PLACES=166, PETRI_TRANSITIONS=296} [2023-08-29 03:46:14,465 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, 25 predicate places. [2023-08-29 03:46:14,465 INFO L495 AbstractCegarLoop]: Abstraction has has 166 places, 296 transitions, 3065 flow [2023-08-29 03:46:14,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 421.77777777777777) internal successors, (3796), 9 states have internal predecessors, (3796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:46:14,466 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:46:14,466 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:46:14,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-08-29 03:46:14,466 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 86 more)] === [2023-08-29 03:46:14,467 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:46:14,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1546112379, now seen corresponding path program 1 times [2023-08-29 03:46:14,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:46:14,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715971328] [2023-08-29 03:46:14,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:46:14,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:46:14,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:46:14,956 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-08-29 03:46:14,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:46:14,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715971328] [2023-08-29 03:46:14,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715971328] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:46:14,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:46:14,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:46:14,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93666437] [2023-08-29 03:46:14,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:46:14,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:46:14,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:46:14,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:46:14,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:46:15,419 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 427 out of 949 [2023-08-29 03:46:15,420 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 296 transitions, 3065 flow. Second operand has 6 states, 6 states have (on average 429.8333333333333) internal successors, (2579), 6 states have internal predecessors, (2579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:46:15,420 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:46:15,420 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 427 of 949 [2023-08-29 03:46:15,420 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:46:27,716 INFO L130 PetriNetUnfolder]: 62433/96027 cut-off events. [2023-08-29 03:46:27,716 INFO L131 PetriNetUnfolder]: For 355734/365399 co-relation queries the response was YES. [2023-08-29 03:46:28,518 INFO L83 FinitePrefix]: Finished finitePrefix Result has 321300 conditions, 96027 events. 62433/96027 cut-off events. For 355734/365399 co-relation queries the response was YES. Maximal size of possible extension queue 2349. Compared 793816 event pairs, 14336 based on Foata normal form. 811/85729 useless extension candidates. Maximal degree in co-relation 321264. Up to 53489 conditions per place. [2023-08-29 03:46:28,854 INFO L137 encePairwiseOnDemand]: 935/949 looper letters, 272 selfloop transitions, 145 changer transitions 0/478 dead transitions. [2023-08-29 03:46:28,854 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 478 transitions, 5987 flow [2023-08-29 03:46:28,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:46:28,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:46:28,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2672 transitions. [2023-08-29 03:46:28,857 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46926589392342816 [2023-08-29 03:46:28,857 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2672 transitions. [2023-08-29 03:46:28,857 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2672 transitions. [2023-08-29 03:46:28,858 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:46:28,858 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2672 transitions. [2023-08-29 03:46:28,860 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 445.3333333333333) internal successors, (2672), 6 states have internal predecessors, (2672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:46:28,862 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 949.0) internal successors, (6643), 7 states have internal predecessors, (6643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:46:28,862 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 949.0) internal successors, (6643), 7 states have internal predecessors, (6643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:46:28,863 INFO L175 Difference]: Start difference. First operand has 166 places, 296 transitions, 3065 flow. Second operand 6 states and 2672 transitions. [2023-08-29 03:46:28,863 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 478 transitions, 5987 flow [2023-08-29 03:46:30,438 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 478 transitions, 5703 flow, removed 134 selfloop flow, removed 4 redundant places. [2023-08-29 03:46:30,443 INFO L231 Difference]: Finished difference. Result has 172 places, 430 transitions, 5409 flow [2023-08-29 03:46:30,443 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=949, PETRI_DIFFERENCE_MINUEND_FLOW=2941, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=241, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=5409, PETRI_PLACES=172, PETRI_TRANSITIONS=430} [2023-08-29 03:46:30,444 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, 31 predicate places. [2023-08-29 03:46:30,444 INFO L495 AbstractCegarLoop]: Abstraction has has 172 places, 430 transitions, 5409 flow [2023-08-29 03:46:30,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 429.8333333333333) internal successors, (2579), 6 states have internal predecessors, (2579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:46:30,444 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:46:30,444 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:46:30,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-08-29 03:46:30,445 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 86 more)] === [2023-08-29 03:46:30,445 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:46:30,445 INFO L85 PathProgramCache]: Analyzing trace with hash 996210625, now seen corresponding path program 3 times [2023-08-29 03:46:30,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:46:30,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34676524] [2023-08-29 03:46:30,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:46:30,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:46:30,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:46:30,619 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-29 03:46:30,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:46:30,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34676524] [2023-08-29 03:46:30,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34676524] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 03:46:30,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2021815357] [2023-08-29 03:46:30,619 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-08-29 03:46:30,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 03:46:30,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:46:30,621 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 03:46:30,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-08-29 03:46:30,850 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2023-08-29 03:46:30,850 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-29 03:46:30,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 67 conjunts are in the unsatisfiable core [2023-08-29 03:46:30,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 03:46:30,909 INFO L321 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2023-08-29 03:46:30,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 15 treesize of output 42 [2023-08-29 03:46:30,945 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-08-29 03:46:30,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-08-29 03:46:30,977 INFO L321 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2023-08-29 03:46:30,977 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2023-08-29 03:46:31,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-08-29 03:46:31,084 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2023-08-29 03:46:31,115 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-08-29 03:46:31,115 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2023-08-29 03:46:31,150 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-08-29 03:46:31,150 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2023-08-29 03:46:31,218 INFO L321 Elim1Store]: treesize reduction 83, result has 36.6 percent of original size [2023-08-29 03:46:31,218 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 93 treesize of output 116 [2023-08-29 03:46:31,224 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 94 [2023-08-29 03:46:33,288 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-08-29 03:46:33,288 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-08-29 03:46:33,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2021815357] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:46:33,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-08-29 03:46:33,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 16 [2023-08-29 03:46:33,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661520449] [2023-08-29 03:46:33,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:46:33,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 03:46:33,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:46:33,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 03:46:33,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=225, Unknown=1, NotChecked=0, Total=272 [2023-08-29 03:46:34,422 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 328 out of 949 [2023-08-29 03:46:34,424 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 430 transitions, 5409 flow. Second operand has 11 states, 11 states have (on average 329.90909090909093) internal successors, (3629), 11 states have internal predecessors, (3629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:46:34,424 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:46:34,424 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 328 of 949 [2023-08-29 03:46:34,424 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:47:06,328 INFO L130 PetriNetUnfolder]: 182963/242498 cut-off events. [2023-08-29 03:47:06,328 INFO L131 PetriNetUnfolder]: For 604957/606806 co-relation queries the response was YES. [2023-08-29 03:47:08,624 INFO L83 FinitePrefix]: Finished finitePrefix Result has 819847 conditions, 242498 events. 182963/242498 cut-off events. For 604957/606806 co-relation queries the response was YES. Maximal size of possible extension queue 5610. Compared 1752198 event pairs, 32363 based on Foata normal form. 663/217598 useless extension candidates. Maximal degree in co-relation 819807. Up to 176901 conditions per place. [2023-08-29 03:47:09,625 INFO L137 encePairwiseOnDemand]: 938/949 looper letters, 488 selfloop transitions, 38 changer transitions 1/544 dead transitions. [2023-08-29 03:47:09,625 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 544 transitions, 7318 flow [2023-08-29 03:47:09,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 03:47:09,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 03:47:09,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 3423 transitions. [2023-08-29 03:47:09,630 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.360695468914647 [2023-08-29 03:47:09,630 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 3423 transitions. [2023-08-29 03:47:09,630 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 3423 transitions. [2023-08-29 03:47:09,630 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:47:09,630 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 3423 transitions. [2023-08-29 03:47:09,633 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 342.3) internal successors, (3423), 10 states have internal predecessors, (3423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:09,637 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 949.0) internal successors, (10439), 11 states have internal predecessors, (10439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:09,637 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 949.0) internal successors, (10439), 11 states have internal predecessors, (10439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:09,637 INFO L175 Difference]: Start difference. First operand has 172 places, 430 transitions, 5409 flow. Second operand 10 states and 3423 transitions. [2023-08-29 03:47:09,637 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 544 transitions, 7318 flow [2023-08-29 03:47:25,988 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 544 transitions, 7102 flow, removed 108 selfloop flow, removed 0 redundant places. [2023-08-29 03:47:25,994 INFO L231 Difference]: Finished difference. Result has 180 places, 428 transitions, 5259 flow [2023-08-29 03:47:25,995 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=949, PETRI_DIFFERENCE_MINUEND_FLOW=5185, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=429, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=391, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=5259, PETRI_PLACES=180, PETRI_TRANSITIONS=428} [2023-08-29 03:47:25,995 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, 39 predicate places. [2023-08-29 03:47:25,995 INFO L495 AbstractCegarLoop]: Abstraction has has 180 places, 428 transitions, 5259 flow [2023-08-29 03:47:25,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 329.90909090909093) internal successors, (3629), 11 states have internal predecessors, (3629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:25,996 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:47:25,996 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:47:26,001 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-08-29 03:47:26,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 03:47:26,201 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 86 more)] === [2023-08-29 03:47:26,201 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:47:26,201 INFO L85 PathProgramCache]: Analyzing trace with hash -76855390, now seen corresponding path program 1 times [2023-08-29 03:47:26,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:47:26,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560217468] [2023-08-29 03:47:26,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:47:26,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:47:26,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:47:26,318 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-29 03:47:26,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:47:26,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560217468] [2023-08-29 03:47:26,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560217468] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 03:47:26,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1771493616] [2023-08-29 03:47:26,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:47:26,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 03:47:26,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:47:26,320 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 03:47:26,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-08-29 03:47:26,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:47:26,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 7 conjunts are in the unsatisfiable core [2023-08-29 03:47:26,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 03:47:26,632 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-29 03:47:26,632 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-29 03:47:26,685 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-29 03:47:26,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1771493616] provided 1 perfect and 1 imperfect interpolant sequences [2023-08-29 03:47:26,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-08-29 03:47:26,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 11 [2023-08-29 03:47:26,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560334113] [2023-08-29 03:47:26,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:47:26,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:47:26,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:47:26,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:47:26,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2023-08-29 03:47:26,898 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 431 out of 949 [2023-08-29 03:47:26,900 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 428 transitions, 5259 flow. Second operand has 6 states, 6 states have (on average 434.3333333333333) internal successors, (2606), 6 states have internal predecessors, (2606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:26,900 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:47:26,900 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 431 of 949 [2023-08-29 03:47:26,900 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:47:35,953 INFO L130 PetriNetUnfolder]: 39837/68978 cut-off events. [2023-08-29 03:47:35,953 INFO L131 PetriNetUnfolder]: For 363205/373362 co-relation queries the response was YES. [2023-08-29 03:47:36,620 INFO L83 FinitePrefix]: Finished finitePrefix Result has 255775 conditions, 68978 events. 39837/68978 cut-off events. For 363205/373362 co-relation queries the response was YES. Maximal size of possible extension queue 1740. Compared 624329 event pairs, 9666 based on Foata normal form. 580/60797 useless extension candidates. Maximal degree in co-relation 255734. Up to 43330 conditions per place. [2023-08-29 03:47:37,042 INFO L137 encePairwiseOnDemand]: 938/949 looper letters, 342 selfloop transitions, 32 changer transitions 15/463 dead transitions. [2023-08-29 03:47:37,042 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 463 transitions, 6195 flow [2023-08-29 03:47:37,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:47:37,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:47:37,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2662 transitions. [2023-08-29 03:47:37,044 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4675096592904812 [2023-08-29 03:47:37,044 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2662 transitions. [2023-08-29 03:47:37,044 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2662 transitions. [2023-08-29 03:47:37,045 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:47:37,045 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2662 transitions. [2023-08-29 03:47:37,047 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 443.6666666666667) internal successors, (2662), 6 states have internal predecessors, (2662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:37,049 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 949.0) internal successors, (6643), 7 states have internal predecessors, (6643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:37,049 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 949.0) internal successors, (6643), 7 states have internal predecessors, (6643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:37,049 INFO L175 Difference]: Start difference. First operand has 180 places, 428 transitions, 5259 flow. Second operand 6 states and 2662 transitions. [2023-08-29 03:47:37,049 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 463 transitions, 6195 flow [2023-08-29 03:47:37,986 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 463 transitions, 6117 flow, removed 0 selfloop flow, removed 9 redundant places. [2023-08-29 03:47:37,991 INFO L231 Difference]: Finished difference. Result has 177 places, 412 transitions, 5111 flow [2023-08-29 03:47:37,991 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=949, PETRI_DIFFERENCE_MINUEND_FLOW=5067, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=420, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=388, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=5111, PETRI_PLACES=177, PETRI_TRANSITIONS=412} [2023-08-29 03:47:37,992 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, 36 predicate places. [2023-08-29 03:47:37,992 INFO L495 AbstractCegarLoop]: Abstraction has has 177 places, 412 transitions, 5111 flow [2023-08-29 03:47:37,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 434.3333333333333) internal successors, (2606), 6 states have internal predecessors, (2606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:37,992 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:47:37,992 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:47:38,000 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-08-29 03:47:38,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-08-29 03:47:38,200 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 86 more)] === [2023-08-29 03:47:38,200 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:47:38,200 INFO L85 PathProgramCache]: Analyzing trace with hash -635835217, now seen corresponding path program 1 times [2023-08-29 03:47:38,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:47:38,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547795414] [2023-08-29 03:47:38,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:47:38,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:47:38,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:47:39,174 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-08-29 03:47:39,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:47:39,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547795414] [2023-08-29 03:47:39,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547795414] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:47:39,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:47:39,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-29 03:47:39,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061302125] [2023-08-29 03:47:39,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:47:39,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-08-29 03:47:39,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:47:39,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-08-29 03:47:39,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-08-29 03:47:39,873 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 422 out of 949 [2023-08-29 03:47:39,874 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 412 transitions, 5111 flow. Second operand has 8 states, 8 states have (on average 424.25) internal successors, (3394), 8 states have internal predecessors, (3394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:39,874 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:47:39,874 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 422 of 949 [2023-08-29 03:47:39,874 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:47:51,139 INFO L130 PetriNetUnfolder]: 45906/78373 cut-off events. [2023-08-29 03:47:51,139 INFO L131 PetriNetUnfolder]: For 430291/449972 co-relation queries the response was YES. [2023-08-29 03:47:51,877 INFO L83 FinitePrefix]: Finished finitePrefix Result has 294151 conditions, 78373 events. 45906/78373 cut-off events. For 430291/449972 co-relation queries the response was YES. Maximal size of possible extension queue 2279. Compared 717405 event pairs, 6985 based on Foata normal form. 1379/71167 useless extension candidates. Maximal degree in co-relation 294108. Up to 19787 conditions per place. [2023-08-29 03:47:52,176 INFO L137 encePairwiseOnDemand]: 937/949 looper letters, 516 selfloop transitions, 96 changer transitions 0/679 dead transitions. [2023-08-29 03:47:52,176 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 679 transitions, 9386 flow [2023-08-29 03:47:52,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 03:47:52,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 03:47:52,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 4359 transitions. [2023-08-29 03:47:52,179 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45932560590094834 [2023-08-29 03:47:52,179 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 4359 transitions. [2023-08-29 03:47:52,180 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 4359 transitions. [2023-08-29 03:47:52,180 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:47:52,180 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 4359 transitions. [2023-08-29 03:47:52,184 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 435.9) internal successors, (4359), 10 states have internal predecessors, (4359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:52,187 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 949.0) internal successors, (10439), 11 states have internal predecessors, (10439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:52,187 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 949.0) internal successors, (10439), 11 states have internal predecessors, (10439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:52,188 INFO L175 Difference]: Start difference. First operand has 177 places, 412 transitions, 5111 flow. Second operand 10 states and 4359 transitions. [2023-08-29 03:47:52,188 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 679 transitions, 9386 flow [2023-08-29 03:47:53,777 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 679 transitions, 9321 flow, removed 15 selfloop flow, removed 5 redundant places. [2023-08-29 03:47:53,783 INFO L231 Difference]: Finished difference. Result has 177 places, 425 transitions, 5512 flow [2023-08-29 03:47:53,783 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=949, PETRI_DIFFERENCE_MINUEND_FLOW=5061, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=411, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=84, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=327, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=5512, PETRI_PLACES=177, PETRI_TRANSITIONS=425} [2023-08-29 03:47:53,784 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, 36 predicate places. [2023-08-29 03:47:53,784 INFO L495 AbstractCegarLoop]: Abstraction has has 177 places, 425 transitions, 5512 flow [2023-08-29 03:47:53,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 424.25) internal successors, (3394), 8 states have internal predecessors, (3394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:53,784 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:47:53,784 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:47:53,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-08-29 03:47:53,785 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 86 more)] === [2023-08-29 03:47:53,785 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:47:53,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1305572275, now seen corresponding path program 2 times [2023-08-29 03:47:53,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:47:53,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303787465] [2023-08-29 03:47:53,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:47:53,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:47:53,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:47:54,668 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-08-29 03:47:54,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:47:54,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303787465] [2023-08-29 03:47:54,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303787465] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:47:54,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:47:54,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-29 03:47:54,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16556760] [2023-08-29 03:47:54,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:47:54,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-08-29 03:47:54,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:47:54,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-08-29 03:47:54,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-08-29 03:47:55,536 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 422 out of 949 [2023-08-29 03:47:55,537 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 425 transitions, 5512 flow. Second operand has 8 states, 8 states have (on average 424.25) internal successors, (3394), 8 states have internal predecessors, (3394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:55,537 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:47:55,537 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 422 of 949 [2023-08-29 03:47:55,537 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:48:06,667 INFO L130 PetriNetUnfolder]: 45812/79598 cut-off events. [2023-08-29 03:48:06,668 INFO L131 PetriNetUnfolder]: For 431670/447489 co-relation queries the response was YES. [2023-08-29 03:48:07,444 INFO L83 FinitePrefix]: Finished finitePrefix Result has 296268 conditions, 79598 events. 45812/79598 cut-off events. For 431670/447489 co-relation queries the response was YES. Maximal size of possible extension queue 2254. Compared 745399 event pairs, 9872 based on Foata normal form. 2233/73497 useless extension candidates. Maximal degree in co-relation 296226. Up to 33790 conditions per place. [2023-08-29 03:48:07,741 INFO L137 encePairwiseOnDemand]: 938/949 looper letters, 299 selfloop transitions, 204 changer transitions 0/570 dead transitions. [2023-08-29 03:48:07,741 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 570 transitions, 7724 flow [2023-08-29 03:48:07,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 03:48:07,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 03:48:07,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 4351 transitions. [2023-08-29 03:48:07,744 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4584826132771338 [2023-08-29 03:48:07,744 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 4351 transitions. [2023-08-29 03:48:07,745 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 4351 transitions. [2023-08-29 03:48:07,745 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:48:07,745 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 4351 transitions. [2023-08-29 03:48:07,749 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 435.1) internal successors, (4351), 10 states have internal predecessors, (4351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:48:07,752 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 949.0) internal successors, (10439), 11 states have internal predecessors, (10439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:48:07,752 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 949.0) internal successors, (10439), 11 states have internal predecessors, (10439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:48:07,753 INFO L175 Difference]: Start difference. First operand has 177 places, 425 transitions, 5512 flow. Second operand 10 states and 4351 transitions. [2023-08-29 03:48:07,753 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 570 transitions, 7724 flow [2023-08-29 03:48:09,084 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 570 transitions, 7713 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-29 03:48:09,090 INFO L231 Difference]: Finished difference. Result has 185 places, 441 transitions, 6356 flow [2023-08-29 03:48:09,091 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=949, PETRI_DIFFERENCE_MINUEND_FLOW=5501, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=425, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=189, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=6356, PETRI_PLACES=185, PETRI_TRANSITIONS=441} [2023-08-29 03:48:09,091 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, 44 predicate places. [2023-08-29 03:48:09,091 INFO L495 AbstractCegarLoop]: Abstraction has has 185 places, 441 transitions, 6356 flow [2023-08-29 03:48:09,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 424.25) internal successors, (3394), 8 states have internal predecessors, (3394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:48:09,092 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:48:09,092 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:48:09,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-08-29 03:48:09,092 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 86 more)] === [2023-08-29 03:48:09,092 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:48:09,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1945410320, now seen corresponding path program 1 times [2023-08-29 03:48:09,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:48:09,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957311169] [2023-08-29 03:48:09,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:48:09,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:48:09,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:48:09,470 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-08-29 03:48:09,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:48:09,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957311169] [2023-08-29 03:48:09,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957311169] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:48:09,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:48:09,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:48:09,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198623310] [2023-08-29 03:48:09,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:48:09,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:48:09,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:48:09,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:48:09,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:48:09,836 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 434 out of 949 [2023-08-29 03:48:09,837 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 441 transitions, 6356 flow. Second operand has 6 states, 6 states have (on average 437.8333333333333) internal successors, (2627), 6 states have internal predecessors, (2627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:48:09,837 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:48:09,837 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 434 of 949 [2023-08-29 03:48:09,837 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:48:20,654 INFO L130 PetriNetUnfolder]: 44248/76909 cut-off events. [2023-08-29 03:48:20,654 INFO L131 PetriNetUnfolder]: For 481374/494974 co-relation queries the response was YES. [2023-08-29 03:48:21,379 INFO L83 FinitePrefix]: Finished finitePrefix Result has 294810 conditions, 76909 events. 44248/76909 cut-off events. For 481374/494974 co-relation queries the response was YES. Maximal size of possible extension queue 2241. Compared 722784 event pairs, 15367 based on Foata normal form. 417/68949 useless extension candidates. Maximal degree in co-relation 294766. Up to 53795 conditions per place. [2023-08-29 03:48:21,654 INFO L137 encePairwiseOnDemand]: 944/949 looper letters, 354 selfloop transitions, 0 changer transitions 31/456 dead transitions. [2023-08-29 03:48:21,654 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 456 transitions, 7148 flow [2023-08-29 03:48:21,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:48:21,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:48:21,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2659 transitions. [2023-08-29 03:48:21,656 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46698278890059713 [2023-08-29 03:48:21,656 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2659 transitions. [2023-08-29 03:48:21,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2659 transitions. [2023-08-29 03:48:21,657 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:48:21,657 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2659 transitions. [2023-08-29 03:48:21,659 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 443.1666666666667) internal successors, (2659), 6 states have internal predecessors, (2659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:48:21,661 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 949.0) internal successors, (6643), 7 states have internal predecessors, (6643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:48:21,661 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 949.0) internal successors, (6643), 7 states have internal predecessors, (6643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:48:21,661 INFO L175 Difference]: Start difference. First operand has 185 places, 441 transitions, 6356 flow. Second operand 6 states and 2659 transitions. [2023-08-29 03:48:21,661 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 456 transitions, 7148 flow [2023-08-29 03:48:23,420 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 456 transitions, 7017 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 03:48:23,426 INFO L231 Difference]: Finished difference. Result has 185 places, 425 transitions, 6112 flow [2023-08-29 03:48:23,426 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=949, PETRI_DIFFERENCE_MINUEND_FLOW=6223, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=440, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=440, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=6112, PETRI_PLACES=185, PETRI_TRANSITIONS=425} [2023-08-29 03:48:23,426 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, 44 predicate places. [2023-08-29 03:48:23,426 INFO L495 AbstractCegarLoop]: Abstraction has has 185 places, 425 transitions, 6112 flow [2023-08-29 03:48:23,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 437.8333333333333) internal successors, (2627), 6 states have internal predecessors, (2627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:48:23,427 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:48:23,427 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:48:23,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-08-29 03:48:23,427 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 86 more)] === [2023-08-29 03:48:23,427 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:48:23,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1422832916, now seen corresponding path program 3 times [2023-08-29 03:48:23,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:48:23,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271091963] [2023-08-29 03:48:23,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:48:23,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:48:23,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:48:23,570 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-29 03:48:23,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:48:23,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271091963] [2023-08-29 03:48:23,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271091963] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 03:48:23,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [965496939] [2023-08-29 03:48:23,571 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-08-29 03:48:23,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 03:48:23,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:48:23,572 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 03:48:23,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-08-29 03:48:23,848 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2023-08-29 03:48:23,848 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-29 03:48:23,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 89 conjunts are in the unsatisfiable core [2023-08-29 03:48:23,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 03:48:23,889 INFO L321 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2023-08-29 03:48:23,889 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 15 treesize of output 42 [2023-08-29 03:48:23,925 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-08-29 03:48:23,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-08-29 03:48:23,955 INFO L321 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2023-08-29 03:48:23,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2023-08-29 03:48:24,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-08-29 03:48:24,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2023-08-29 03:48:24,133 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-08-29 03:48:24,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2023-08-29 03:48:24,168 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-08-29 03:48:24,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2023-08-29 03:48:24,238 INFO L321 Elim1Store]: treesize reduction 83, result has 36.6 percent of original size [2023-08-29 03:48:24,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 162 treesize of output 160 [2023-08-29 03:48:24,245 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 133 [2023-08-29 03:48:24,298 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-08-29 03:48:24,298 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-08-29 03:48:24,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [965496939] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:48:24,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-08-29 03:48:24,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 16 [2023-08-29 03:48:24,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631999965] [2023-08-29 03:48:24,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:48:24,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 03:48:24,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:48:24,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 03:48:24,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2023-08-29 03:48:26,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:48:28,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:48:30,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:48:33,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:48:35,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:48:36,593 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 407 out of 949 [2023-08-29 03:48:36,595 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 425 transitions, 6112 flow. Second operand has 11 states, 11 states have (on average 409.0) internal successors, (4499), 11 states have internal predecessors, (4499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:48:36,595 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:48:36,595 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 407 of 949 [2023-08-29 03:48:36,595 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:48:40,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:48:43,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:48:59,073 INFO L130 PetriNetUnfolder]: 84457/126283 cut-off events. [2023-08-29 03:48:59,073 INFO L131 PetriNetUnfolder]: For 535788/544432 co-relation queries the response was YES. [2023-08-29 03:49:00,282 INFO L83 FinitePrefix]: Finished finitePrefix Result has 455170 conditions, 126283 events. 84457/126283 cut-off events. For 535788/544432 co-relation queries the response was YES. Maximal size of possible extension queue 3786. Compared 1044234 event pairs, 15750 based on Foata normal form. 2509/114859 useless extension candidates. Maximal degree in co-relation 455126. Up to 44062 conditions per place. [2023-08-29 03:49:00,714 INFO L137 encePairwiseOnDemand]: 937/949 looper letters, 403 selfloop transitions, 94 changer transitions 2/548 dead transitions. [2023-08-29 03:49:00,714 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 548 transitions, 8163 flow [2023-08-29 03:49:00,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-29 03:49:00,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-29 03:49:00,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 4594 transitions. [2023-08-29 03:49:00,717 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4400804674777278 [2023-08-29 03:49:00,717 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 4594 transitions. [2023-08-29 03:49:00,717 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 4594 transitions. [2023-08-29 03:49:00,718 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:49:00,718 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 4594 transitions. [2023-08-29 03:49:00,722 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 417.6363636363636) internal successors, (4594), 11 states have internal predecessors, (4594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:49:00,726 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 949.0) internal successors, (11388), 12 states have internal predecessors, (11388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:49:00,727 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 949.0) internal successors, (11388), 12 states have internal predecessors, (11388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:49:00,727 INFO L175 Difference]: Start difference. First operand has 185 places, 425 transitions, 6112 flow. Second operand 11 states and 4594 transitions. [2023-08-29 03:49:00,727 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 548 transitions, 8163 flow [2023-08-29 03:49:05,885 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 548 transitions, 7910 flow, removed 33 selfloop flow, removed 7 redundant places. [2023-08-29 03:49:05,891 INFO L231 Difference]: Finished difference. Result has 174 places, 439 transitions, 6429 flow [2023-08-29 03:49:05,891 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=949, PETRI_DIFFERENCE_MINUEND_FLOW=5878, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=424, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=77, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=337, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=6429, PETRI_PLACES=174, PETRI_TRANSITIONS=439} [2023-08-29 03:49:05,891 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, 33 predicate places. [2023-08-29 03:49:05,891 INFO L495 AbstractCegarLoop]: Abstraction has has 174 places, 439 transitions, 6429 flow [2023-08-29 03:49:05,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 409.0) internal successors, (4499), 11 states have internal predecessors, (4499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:49:05,892 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:49:05,892 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:49:05,897 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-08-29 03:49:06,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2023-08-29 03:49:06,092 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 86 more)] === [2023-08-29 03:49:06,092 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:49:06,093 INFO L85 PathProgramCache]: Analyzing trace with hash -10382692, now seen corresponding path program 1 times [2023-08-29 03:49:06,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:49:06,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538149828] [2023-08-29 03:49:06,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:49:06,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:49:06,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:49:06,811 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-08-29 03:49:06,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:49:06,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538149828] [2023-08-29 03:49:06,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538149828] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:49:06,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:49:06,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 03:49:06,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628544864] [2023-08-29 03:49:06,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:49:06,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 03:49:06,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:49:06,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 03:49:06,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-08-29 03:49:07,936 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 422 out of 949 [2023-08-29 03:49:07,938 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 439 transitions, 6429 flow. Second operand has 11 states, 11 states have (on average 424.45454545454544) internal successors, (4669), 11 states have internal predecessors, (4669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:49:07,938 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:49:07,938 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 422 of 949 [2023-08-29 03:49:07,938 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:49:19,386 INFO L130 PetriNetUnfolder]: 47209/81936 cut-off events. [2023-08-29 03:49:19,387 INFO L131 PetriNetUnfolder]: For 557440/571341 co-relation queries the response was YES. [2023-08-29 03:49:20,134 INFO L83 FinitePrefix]: Finished finitePrefix Result has 323325 conditions, 81936 events. 47209/81936 cut-off events. For 557440/571341 co-relation queries the response was YES. Maximal size of possible extension queue 2456. Compared 779990 event pairs, 15919 based on Foata normal form. 415/73615 useless extension candidates. Maximal degree in co-relation 323284. Up to 56354 conditions per place. [2023-08-29 03:49:20,188 INFO L137 encePairwiseOnDemand]: 943/949 looper letters, 0 selfloop transitions, 0 changer transitions 466/466 dead transitions. [2023-08-29 03:49:20,189 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 466 transitions, 7365 flow [2023-08-29 03:49:20,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-29 03:49:20,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-29 03:49:20,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 3020 transitions. [2023-08-29 03:49:20,191 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4546138792714135 [2023-08-29 03:49:20,191 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 3020 transitions. [2023-08-29 03:49:20,191 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 3020 transitions. [2023-08-29 03:49:20,192 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:49:20,192 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 3020 transitions. [2023-08-29 03:49:20,194 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 431.42857142857144) internal successors, (3020), 7 states have internal predecessors, (3020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:49:20,197 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 949.0) internal successors, (7592), 8 states have internal predecessors, (7592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:49:20,197 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 949.0) internal successors, (7592), 8 states have internal predecessors, (7592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:49:20,197 INFO L175 Difference]: Start difference. First operand has 174 places, 439 transitions, 6429 flow. Second operand 7 states and 3020 transitions. [2023-08-29 03:49:20,197 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 466 transitions, 7365 flow [2023-08-29 03:49:25,343 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 466 transitions, 7251 flow, removed 22 selfloop flow, removed 10 redundant places. [2023-08-29 03:49:25,346 INFO L231 Difference]: Finished difference. Result has 168 places, 0 transitions, 0 flow [2023-08-29 03:49:25,346 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=949, PETRI_DIFFERENCE_MINUEND_FLOW=6311, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=438, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=438, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=168, PETRI_TRANSITIONS=0} [2023-08-29 03:49:25,346 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, 27 predicate places. [2023-08-29 03:49:25,346 INFO L495 AbstractCegarLoop]: Abstraction has has 168 places, 0 transitions, 0 flow [2023-08-29 03:49:25,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 424.45454545454544) internal successors, (4669), 11 states have internal predecessors, (4669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:49:25,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (89 of 90 remaining) [2023-08-29 03:49:25,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (88 of 90 remaining) [2023-08-29 03:49:25,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (87 of 90 remaining) [2023-08-29 03:49:25,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (86 of 90 remaining) [2023-08-29 03:49:25,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (85 of 90 remaining) [2023-08-29 03:49:25,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (84 of 90 remaining) [2023-08-29 03:49:25,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (83 of 90 remaining) [2023-08-29 03:49:25,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (82 of 90 remaining) [2023-08-29 03:49:25,350 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (81 of 90 remaining) [2023-08-29 03:49:25,350 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (80 of 90 remaining) [2023-08-29 03:49:25,350 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (79 of 90 remaining) [2023-08-29 03:49:25,350 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (78 of 90 remaining) [2023-08-29 03:49:25,350 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (77 of 90 remaining) [2023-08-29 03:49:25,350 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (76 of 90 remaining) [2023-08-29 03:49:25,350 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (75 of 90 remaining) [2023-08-29 03:49:25,350 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (74 of 90 remaining) [2023-08-29 03:49:25,350 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (73 of 90 remaining) [2023-08-29 03:49:25,350 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (72 of 90 remaining) [2023-08-29 03:49:25,351 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (71 of 90 remaining) [2023-08-29 03:49:25,351 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (70 of 90 remaining) [2023-08-29 03:49:25,351 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (69 of 90 remaining) [2023-08-29 03:49:25,351 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (68 of 90 remaining) [2023-08-29 03:49:25,351 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (67 of 90 remaining) [2023-08-29 03:49:25,351 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (66 of 90 remaining) [2023-08-29 03:49:25,351 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (65 of 90 remaining) [2023-08-29 03:49:25,351 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (64 of 90 remaining) [2023-08-29 03:49:25,351 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (63 of 90 remaining) [2023-08-29 03:49:25,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (62 of 90 remaining) [2023-08-29 03:49:25,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (61 of 90 remaining) [2023-08-29 03:49:25,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (60 of 90 remaining) [2023-08-29 03:49:25,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (59 of 90 remaining) [2023-08-29 03:49:25,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (58 of 90 remaining) [2023-08-29 03:49:25,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (57 of 90 remaining) [2023-08-29 03:49:25,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (56 of 90 remaining) [2023-08-29 03:49:25,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (55 of 90 remaining) [2023-08-29 03:49:25,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (54 of 90 remaining) [2023-08-29 03:49:25,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (53 of 90 remaining) [2023-08-29 03:49:25,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (52 of 90 remaining) [2023-08-29 03:49:25,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (51 of 90 remaining) [2023-08-29 03:49:25,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (50 of 90 remaining) [2023-08-29 03:49:25,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (49 of 90 remaining) [2023-08-29 03:49:25,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (48 of 90 remaining) [2023-08-29 03:49:25,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (47 of 90 remaining) [2023-08-29 03:49:25,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (46 of 90 remaining) [2023-08-29 03:49:25,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (45 of 90 remaining) [2023-08-29 03:49:25,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (44 of 90 remaining) [2023-08-29 03:49:25,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (43 of 90 remaining) [2023-08-29 03:49:25,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (42 of 90 remaining) [2023-08-29 03:49:25,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (41 of 90 remaining) [2023-08-29 03:49:25,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (40 of 90 remaining) [2023-08-29 03:49:25,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (39 of 90 remaining) [2023-08-29 03:49:25,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (38 of 90 remaining) [2023-08-29 03:49:25,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (37 of 90 remaining) [2023-08-29 03:49:25,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (36 of 90 remaining) [2023-08-29 03:49:25,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (35 of 90 remaining) [2023-08-29 03:49:25,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (34 of 90 remaining) [2023-08-29 03:49:25,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (33 of 90 remaining) [2023-08-29 03:49:25,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE (32 of 90 remaining) [2023-08-29 03:49:25,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 90 remaining) [2023-08-29 03:49:25,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 90 remaining) [2023-08-29 03:49:25,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 90 remaining) [2023-08-29 03:49:25,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (28 of 90 remaining) [2023-08-29 03:49:25,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (27 of 90 remaining) [2023-08-29 03:49:25,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (26 of 90 remaining) [2023-08-29 03:49:25,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (25 of 90 remaining) [2023-08-29 03:49:25,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (24 of 90 remaining) [2023-08-29 03:49:25,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (23 of 90 remaining) [2023-08-29 03:49:25,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (22 of 90 remaining) [2023-08-29 03:49:25,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (21 of 90 remaining) [2023-08-29 03:49:25,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (20 of 90 remaining) [2023-08-29 03:49:25,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (19 of 90 remaining) [2023-08-29 03:49:25,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (18 of 90 remaining) [2023-08-29 03:49:25,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (17 of 90 remaining) [2023-08-29 03:49:25,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (16 of 90 remaining) [2023-08-29 03:49:25,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (15 of 90 remaining) [2023-08-29 03:49:25,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (14 of 90 remaining) [2023-08-29 03:49:25,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (13 of 90 remaining) [2023-08-29 03:49:25,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (12 of 90 remaining) [2023-08-29 03:49:25,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (11 of 90 remaining) [2023-08-29 03:49:25,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (10 of 90 remaining) [2023-08-29 03:49:25,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (9 of 90 remaining) [2023-08-29 03:49:25,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (8 of 90 remaining) [2023-08-29 03:49:25,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (7 of 90 remaining) [2023-08-29 03:49:25,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (6 of 90 remaining) [2023-08-29 03:49:25,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (5 of 90 remaining) [2023-08-29 03:49:25,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (4 of 90 remaining) [2023-08-29 03:49:25,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (3 of 90 remaining) [2023-08-29 03:49:25,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (2 of 90 remaining) [2023-08-29 03:49:25,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (1 of 90 remaining) [2023-08-29 03:49:25,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (0 of 90 remaining) [2023-08-29 03:49:25,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-08-29 03:49:25,359 INFO L445 BasicCegarLoop]: Path program histogram: [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:49:25,363 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 03:49:25,363 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 03:49:25,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 03:49:25 BasicIcfg [2023-08-29 03:49:25,366 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 03:49:25,366 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 03:49:25,366 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 03:49:25,366 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 03:49:25,367 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:45:01" (3/4) ... [2023-08-29 03:49:25,368 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 03:49:25,371 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-29 03:49:25,371 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-29 03:49:25,371 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-08-29 03:49:25,376 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2023-08-29 03:49:25,377 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-08-29 03:49:25,377 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 03:49:25,377 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 03:49:25,429 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 03:49:25,429 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 03:49:25,430 INFO L158 Benchmark]: Toolchain (without parser) took 265128.95ms. Allocated memory was 86.0MB in the beginning and 15.7GB in the end (delta: 15.6GB). Free memory was 63.5MB in the beginning and 9.7GB in the end (delta: -9.6GB). Peak memory consumption was 6.0GB. Max. memory is 16.1GB. [2023-08-29 03:49:25,430 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 65.0MB. Free memory is still 42.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 03:49:25,431 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.88ms. Allocated memory is still 86.0MB. Free memory was 63.2MB in the beginning and 49.7MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-29 03:49:25,431 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.59ms. Allocated memory is still 86.0MB. Free memory was 49.7MB in the beginning and 45.9MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 03:49:25,431 INFO L158 Benchmark]: Boogie Preprocessor took 60.36ms. Allocated memory is still 86.0MB. Free memory was 45.9MB in the beginning and 62.6MB in the end (delta: -16.6MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2023-08-29 03:49:25,431 INFO L158 Benchmark]: RCFGBuilder took 909.99ms. Allocated memory is still 86.0MB. Free memory was 62.6MB in the beginning and 44.8MB in the end (delta: 17.8MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. [2023-08-29 03:49:25,431 INFO L158 Benchmark]: TraceAbstraction took 263787.60ms. Allocated memory was 86.0MB in the beginning and 15.7GB in the end (delta: 15.6GB). Free memory was 44.2MB in the beginning and 9.7GB in the end (delta: -9.6GB). Peak memory consumption was 6.3GB. Max. memory is 16.1GB. [2023-08-29 03:49:25,431 INFO L158 Benchmark]: Witness Printer took 63.36ms. Allocated memory is still 15.7GB. Free memory was 9.7GB in the beginning and 9.7GB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-29 03:49:25,433 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 65.0MB. Free memory is still 42.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 244.88ms. Allocated memory is still 86.0MB. Free memory was 63.2MB in the beginning and 49.7MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.59ms. Allocated memory is still 86.0MB. Free memory was 49.7MB in the beginning and 45.9MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.36ms. Allocated memory is still 86.0MB. Free memory was 45.9MB in the beginning and 62.6MB in the end (delta: -16.6MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * RCFGBuilder took 909.99ms. Allocated memory is still 86.0MB. Free memory was 62.6MB in the beginning and 44.8MB in the end (delta: 17.8MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. * TraceAbstraction took 263787.60ms. Allocated memory was 86.0MB in the beginning and 15.7GB in the end (delta: 15.6GB). Free memory was 44.2MB in the beginning and 9.7GB in the end (delta: -9.6GB). Peak memory consumption was 6.3GB. Max. memory is 16.1GB. * Witness Printer took 63.36ms. Allocated memory is still 15.7GB. Free memory was 9.7GB in the beginning and 9.7GB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 22.8s, 442 PlacesBefore, 141 PlacesAfterwards, 456 TransitionsBefore, 143 TransitionsAfterwards, 13362 CoEnabledTransitionPairs, 9 FixpointIterations, 315 TrivialSequentialCompositions, 74 ConcurrentSequentialCompositions, 36 TrivialYvCompositions, 15 ConcurrentYvCompositions, 12 ChoiceCompositions, 452 TotalNumberOfCompositions, 104366 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 19837, independent: 18155, independent conditional: 0, independent unconditional: 18155, dependent: 1682, dependent conditional: 0, dependent unconditional: 1682, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 6224, independent: 6067, independent conditional: 0, independent unconditional: 6067, dependent: 157, dependent conditional: 0, dependent unconditional: 157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 19837, independent: 12088, independent conditional: 0, independent unconditional: 12088, dependent: 1525, dependent conditional: 0, dependent unconditional: 1525, unknown: 6224, unknown conditional: 0, unknown unconditional: 6224] , Statistics on independence cache: Total cache size (in pairs): 1063, Positive cache size: 943, Positive conditional cache size: 0, Positive unconditional cache size: 943, Negative cache size: 120, Negative conditional cache size: 0, Negative unconditional cache size: 120, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 125]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 125]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 125]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 110]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 591 locations, 90 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: 263.6s, OverallIterations: 23, TraceHistogramMax: 2, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 226.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 23.0s, HoareTripleCheckerStatistics: 7 mSolverCounterUnknown, 12819 SdHoareTripleChecker+Valid, 36.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9777 mSDsluCounter, 6772 SdHoareTripleChecker+Invalid, 33.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6143 mSDsCounter, 2402 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 29414 IncrementalHoareTripleChecker+Invalid, 31823 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2402 mSolverCounterUnsat, 629 mSDtfsCounter, 29414 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 398 GetRequests, 198 SyntacticMatches, 3 SemanticMatches, 197 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 329 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6429occurred in iteration=22, InterpolantAutomatonStates: 153, 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: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 11.2s InterpolantComputationTime, 730 NumberOfCodeBlocks, 701 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 775 ConstructedInterpolants, 1 QuantifiedInterpolants, 5228 SizeOfPredicates, 25 NumberOfNonLiveVariables, 2658 ConjunctsInSsa, 177 ConjunctsInUnsatCore, 31 InterpolantComputations, 21 PerfectInterpolantSequences, 174/195 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 58 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 03:49:25,505 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE