./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/04-mutex_36-trylock_nr.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/goblint-regression/04-mutex_36-trylock_nr.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0bf2f5f336333cdf96c271b32cdeb9b70ee932e1c07acf27a63b4425ec902f3e --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 17:29:30,509 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 17:29:30,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 17:29:30,552 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 17:29:30,553 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 17:29:30,556 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 17:29:30,557 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 17:29:30,560 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 17:29:30,562 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 17:29:30,566 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 17:29:30,567 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 17:29:30,569 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 17:29:30,569 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 17:29:30,571 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 17:29:30,572 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 17:29:30,577 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 17:29:30,577 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 17:29:30,579 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 17:29:30,580 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 17:29:30,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 17:29:30,586 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 17:29:30,594 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 17:29:30,595 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 17:29:30,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 17:29:30,602 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 17:29:30,602 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 17:29:30,602 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 17:29:30,604 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 17:29:30,605 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 17:29:30,605 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 17:29:30,606 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 17:29:30,607 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 17:29:30,609 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 17:29:30,609 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 17:29:30,610 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 17:29:30,610 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 17:29:30,611 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 17:29:30,611 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 17:29:30,611 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 17:29:30,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 17:29:30,612 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 17:29:30,614 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 17:29:30,646 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 17:29:30,647 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 17:29:30,648 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 17:29:30,648 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 17:29:30,649 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 17:29:30,649 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 17:29:30,650 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 17:29:30,650 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 17:29:30,650 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 17:29:30,650 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 17:29:30,651 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 17:29:30,651 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 17:29:30,651 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 17:29:30,652 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 17:29:30,652 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 17:29:30,652 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 17:29:30,652 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 17:29:30,652 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 17:29:30,653 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 17:29:30,653 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 17:29:30,653 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 17:29:30,653 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 17:29:30,653 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 17:29:30,653 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 17:29:30,654 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 17:29:30,654 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 17:29:30,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 17:29:30,654 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 17:29:30,654 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 17:29:30,655 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 17:29:30,655 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 17:29:30,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 17:29:30,655 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 17:29:30,655 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 17:29:30,656 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 17:29:30,656 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 17:29:30,656 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 17:29:30,656 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bf2f5f336333cdf96c271b32cdeb9b70ee932e1c07acf27a63b4425ec902f3e Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 17:29:30,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 17:29:30,925 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 17:29:30,927 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 17:29:30,928 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 17:29:30,928 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 17:29:30,929 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_36-trylock_nr.i [2023-08-29 17:29:31,995 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 17:29:32,347 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 17:29:32,348 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_36-trylock_nr.i [2023-08-29 17:29:32,369 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8383b9f54/73c301bf97124a70ac53027d730cbecd/FLAG8360eb340 [2023-08-29 17:29:32,390 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8383b9f54/73c301bf97124a70ac53027d730cbecd [2023-08-29 17:29:32,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 17:29:32,395 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 17:29:32,397 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 17:29:32,398 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 17:29:32,400 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 17:29:32,400 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 05:29:32" (1/1) ... [2023-08-29 17:29:32,401 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d6480ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:29:32, skipping insertion in model container [2023-08-29 17:29:32,402 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 05:29:32" (1/1) ... [2023-08-29 17:29:32,406 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 17:29:32,465 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 17:29:33,225 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 17:29:33,235 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 17:29:33,278 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 17:29:33,361 WARN L667 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:29:33,361 WARN L667 CHandler]: The function sleep is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:29:33,361 WARN L667 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:29:33,361 WARN L667 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:29:33,366 INFO L208 MainTranslator]: Completed translation [2023-08-29 17:29:33,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:29:33 WrapperNode [2023-08-29 17:29:33,367 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 17:29:33,368 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 17:29:33,368 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 17:29:33,368 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 17:29:33,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:29:33" (1/1) ... [2023-08-29 17:29:33,402 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:29:33" (1/1) ... [2023-08-29 17:29:33,438 INFO L138 Inliner]: procedures = 524, calls = 69, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 153 [2023-08-29 17:29:33,439 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 17:29:33,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 17:29:33,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 17:29:33,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 17:29:33,455 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:29:33" (1/1) ... [2023-08-29 17:29:33,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:29:33" (1/1) ... [2023-08-29 17:29:33,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:29:33" (1/1) ... [2023-08-29 17:29:33,475 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:29:33" (1/1) ... [2023-08-29 17:29:33,488 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:29:33" (1/1) ... [2023-08-29 17:29:33,504 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:29:33" (1/1) ... [2023-08-29 17:29:33,520 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:29:33" (1/1) ... [2023-08-29 17:29:33,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:29:33" (1/1) ... [2023-08-29 17:29:33,529 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 17:29:33,534 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 17:29:33,534 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 17:29:33,535 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 17:29:33,536 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:29:33" (1/1) ... [2023-08-29 17:29:33,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 17:29:33,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 17:29:33,569 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 17:29:33,589 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 17:29:33,602 INFO L130 BoogieDeclarations]: Found specification of procedure counter_thread [2023-08-29 17:29:33,602 INFO L138 BoogieDeclarations]: Found implementation of procedure counter_thread [2023-08-29 17:29:33,602 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2023-08-29 17:29:33,603 INFO L130 BoogieDeclarations]: Found specification of procedure monitor_thread [2023-08-29 17:29:33,603 INFO L138 BoogieDeclarations]: Found implementation of procedure monitor_thread [2023-08-29 17:29:33,603 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-08-29 17:29:33,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 17:29:33,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 17:29:33,603 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 17:29:33,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 17:29:33,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 17:29:33,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 17:29:33,604 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2023-08-29 17:29:33,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 17:29:33,604 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexTryLock [2023-08-29 17:29:33,604 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-08-29 17:29:33,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 17:29:33,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 17:29:33,606 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 17:29:33,901 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 17:29:33,903 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 17:29:34,166 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 17:29:34,173 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 17:29:34,173 INFO L302 CfgBuilder]: Removed 19 assume(true) statements. [2023-08-29 17:29:34,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 05:29:34 BoogieIcfgContainer [2023-08-29 17:29:34,175 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 17:29:34,177 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 17:29:34,177 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 17:29:34,180 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 17:29:34,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 05:29:32" (1/3) ... [2023-08-29 17:29:34,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@481550f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 05:29:34, skipping insertion in model container [2023-08-29 17:29:34,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:29:33" (2/3) ... [2023-08-29 17:29:34,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@481550f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 05:29:34, skipping insertion in model container [2023-08-29 17:29:34,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 05:29:34" (3/3) ... [2023-08-29 17:29:34,182 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_36-trylock_nr.i [2023-08-29 17:29:34,189 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 17:29:34,196 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 17:29:34,197 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2023-08-29 17:29:34,197 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 17:29:34,283 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 17:29:34,318 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 263 places, 288 transitions, 592 flow [2023-08-29 17:29:34,409 INFO L130 PetriNetUnfolder]: 32/286 cut-off events. [2023-08-29 17:29:34,409 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 17:29:34,429 INFO L83 FinitePrefix]: Finished finitePrefix Result has 295 conditions, 286 events. 32/286 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 703 event pairs, 0 based on Foata normal form. 0/238 useless extension candidates. Maximal degree in co-relation 177. Up to 5 conditions per place. [2023-08-29 17:29:34,429 INFO L82 GeneralOperation]: Start removeDead. Operand has 263 places, 288 transitions, 592 flow [2023-08-29 17:29:34,436 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 248 places, 270 transitions, 552 flow [2023-08-29 17:29:34,439 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 17:29:34,447 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 248 places, 270 transitions, 552 flow [2023-08-29 17:29:34,450 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 248 places, 270 transitions, 552 flow [2023-08-29 17:29:34,450 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 248 places, 270 transitions, 552 flow [2023-08-29 17:29:34,493 INFO L130 PetriNetUnfolder]: 29/270 cut-off events. [2023-08-29 17:29:34,493 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 17:29:34,496 INFO L83 FinitePrefix]: Finished finitePrefix Result has 279 conditions, 270 events. 29/270 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 672 event pairs, 0 based on Foata normal form. 0/226 useless extension candidates. Maximal degree in co-relation 177. Up to 5 conditions per place. [2023-08-29 17:29:34,505 INFO L119 LiptonReduction]: Number of co-enabled transitions 20040 [2023-08-29 17:29:43,946 INFO L134 LiptonReduction]: Checked pairs total: 40329 [2023-08-29 17:29:43,946 INFO L136 LiptonReduction]: Total number of compositions: 270 [2023-08-29 17:29:43,959 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 17:29:43,965 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;@6b9631b3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 17:29:43,965 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2023-08-29 17:29:43,966 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 17:29:43,967 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 17:29:43,967 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:29:43,967 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 17:29:43,968 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 17:29:43,971 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:29:43,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1137, now seen corresponding path program 1 times [2023-08-29 17:29:43,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:29:43,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716354775] [2023-08-29 17:29:43,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:29:43,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:29:44,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:29:44,159 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 17:29:44,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:29:44,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716354775] [2023-08-29 17:29:44,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716354775] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:29:44,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:29:44,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 17:29:44,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672084121] [2023-08-29 17:29:44,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:29:44,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 17:29:44,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:29:44,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 17:29:44,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 17:29:44,192 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 257 out of 558 [2023-08-29 17:29:44,194 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 79 transitions, 170 flow. Second operand has 2 states, 2 states have (on average 257.5) internal successors, (515), 2 states have internal predecessors, (515), 0 states have call successors, (0), 0 states 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 17:29:44,195 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:29:44,195 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 257 of 558 [2023-08-29 17:29:44,196 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:29:44,412 INFO L130 PetriNetUnfolder]: 800/1494 cut-off events. [2023-08-29 17:29:44,412 INFO L131 PetriNetUnfolder]: For 28/28 co-relation queries the response was YES. [2023-08-29 17:29:44,416 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2748 conditions, 1494 events. 800/1494 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 8186 event pairs, 616 based on Foata normal form. 131/1185 useless extension candidates. Maximal degree in co-relation 2591. Up to 1222 conditions per place. [2023-08-29 17:29:44,425 INFO L137 encePairwiseOnDemand]: 543/558 looper letters, 32 selfloop transitions, 0 changer transitions 1/45 dead transitions. [2023-08-29 17:29:44,425 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 45 transitions, 168 flow [2023-08-29 17:29:44,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 17:29:44,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 17:29:44,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 562 transitions. [2023-08-29 17:29:44,442 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.503584229390681 [2023-08-29 17:29:44,442 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 562 transitions. [2023-08-29 17:29:44,443 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 562 transitions. [2023-08-29 17:29:44,446 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:29:44,447 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 562 transitions. [2023-08-29 17:29:44,452 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 281.0) internal successors, (562), 2 states have internal predecessors, (562), 0 states have call successors, (0), 0 states 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 17:29:44,457 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 558.0) internal successors, (1674), 3 states have internal predecessors, (1674), 0 states have call successors, (0), 0 states 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 17:29:44,458 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 558.0) internal successors, (1674), 3 states have internal predecessors, (1674), 0 states have call successors, (0), 0 states 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 17:29:44,460 INFO L175 Difference]: Start difference. First operand has 64 places, 79 transitions, 170 flow. Second operand 2 states and 562 transitions. [2023-08-29 17:29:44,461 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 45 transitions, 168 flow [2023-08-29 17:29:44,464 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 45 transitions, 160 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 17:29:44,466 INFO L231 Difference]: Finished difference. Result has 45 places, 44 transitions, 91 flow [2023-08-29 17:29:44,468 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=558, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=91, PETRI_PLACES=45, PETRI_TRANSITIONS=44} [2023-08-29 17:29:44,474 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -19 predicate places. [2023-08-29 17:29:44,474 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 44 transitions, 91 flow [2023-08-29 17:29:44,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 257.5) internal successors, (515), 2 states have internal predecessors, (515), 0 states have call successors, (0), 0 states 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 17:29:44,475 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:29:44,475 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-29 17:29:44,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 17:29:44,476 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting counter_threadErr0ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 17:29:44,477 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:29:44,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1076732949, now seen corresponding path program 1 times [2023-08-29 17:29:44,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:29:44,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123088050] [2023-08-29 17:29:44,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:29:44,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:29:44,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:29:44,666 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 17:29:44,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:29:44,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123088050] [2023-08-29 17:29:44,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123088050] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:29:44,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:29:44,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:29:44,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042723411] [2023-08-29 17:29:44,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:29:44,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:29:44,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:29:44,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:29:44,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:29:44,686 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 250 out of 558 [2023-08-29 17:29:44,687 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 44 transitions, 91 flow. Second operand has 3 states, 3 states have (on average 251.66666666666666) internal successors, (755), 3 states have internal predecessors, (755), 0 states have call successors, (0), 0 states 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 17:29:44,687 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:29:44,688 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 250 of 558 [2023-08-29 17:29:44,688 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:29:44,863 INFO L130 PetriNetUnfolder]: 830/1497 cut-off events. [2023-08-29 17:29:44,863 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2023-08-29 17:29:44,864 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2779 conditions, 1497 events. 830/1497 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 7929 event pairs, 224 based on Foata normal form. 0/1050 useless extension candidates. Maximal degree in co-relation 2776. Up to 1221 conditions per place. [2023-08-29 17:29:44,870 INFO L137 encePairwiseOnDemand]: 554/558 looper letters, 41 selfloop transitions, 2 changer transitions 0/53 dead transitions. [2023-08-29 17:29:44,870 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 53 transitions, 196 flow [2023-08-29 17:29:44,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:29:44,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:29:44,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 795 transitions. [2023-08-29 17:29:44,873 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47491039426523296 [2023-08-29 17:29:44,873 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 795 transitions. [2023-08-29 17:29:44,873 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 795 transitions. [2023-08-29 17:29:44,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:29:44,874 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 795 transitions. [2023-08-29 17:29:44,875 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 265.0) internal successors, (795), 3 states have internal predecessors, (795), 0 states have call successors, (0), 0 states 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 17:29:44,878 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 558.0) internal successors, (2232), 4 states have internal predecessors, (2232), 0 states have call successors, (0), 0 states 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 17:29:44,879 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 558.0) internal successors, (2232), 4 states have internal predecessors, (2232), 0 states have call successors, (0), 0 states 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 17:29:44,879 INFO L175 Difference]: Start difference. First operand has 45 places, 44 transitions, 91 flow. Second operand 3 states and 795 transitions. [2023-08-29 17:29:44,880 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 53 transitions, 196 flow [2023-08-29 17:29:44,880 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 53 transitions, 196 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 17:29:44,881 INFO L231 Difference]: Finished difference. Result has 45 places, 44 transitions, 101 flow [2023-08-29 17:29:44,881 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=558, PETRI_DIFFERENCE_MINUEND_FLOW=87, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=101, PETRI_PLACES=45, PETRI_TRANSITIONS=44} [2023-08-29 17:29:44,882 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -19 predicate places. [2023-08-29 17:29:44,882 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 44 transitions, 101 flow [2023-08-29 17:29:44,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 251.66666666666666) internal successors, (755), 3 states have internal predecessors, (755), 0 states have call successors, (0), 0 states 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 17:29:44,883 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:29:44,883 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-29 17:29:44,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 17:29:44,883 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 17:29:44,884 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:29:44,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1076756196, now seen corresponding path program 1 times [2023-08-29 17:29:44,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:29:44,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724336031] [2023-08-29 17:29:44,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:29:44,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:29:44,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:29:44,938 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 17:29:44,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:29:44,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724336031] [2023-08-29 17:29:44,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724336031] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:29:44,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:29:44,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:29:44,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285565216] [2023-08-29 17:29:44,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:29:44,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:29:44,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:29:44,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:29:44,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:29:44,961 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 558 [2023-08-29 17:29:44,962 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 44 transitions, 101 flow. Second operand has 3 states, 3 states have (on average 234.66666666666666) internal successors, (704), 3 states have internal predecessors, (704), 0 states have call successors, (0), 0 states 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 17:29:44,962 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:29:44,963 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 558 [2023-08-29 17:29:44,963 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:29:45,173 INFO L130 PetriNetUnfolder]: 1117/1839 cut-off events. [2023-08-29 17:29:45,174 INFO L131 PetriNetUnfolder]: For 112/112 co-relation queries the response was YES. [2023-08-29 17:29:45,176 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3724 conditions, 1839 events. 1117/1839 cut-off events. For 112/112 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 9039 event pairs, 606 based on Foata normal form. 152/1468 useless extension candidates. Maximal degree in co-relation 3720. Up to 1269 conditions per place. [2023-08-29 17:29:45,183 INFO L137 encePairwiseOnDemand]: 552/558 looper letters, 64 selfloop transitions, 3 changer transitions 1/72 dead transitions. [2023-08-29 17:29:45,183 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 72 transitions, 304 flow [2023-08-29 17:29:45,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:29:45,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:29:45,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 766 transitions. [2023-08-29 17:29:45,186 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45758661887694146 [2023-08-29 17:29:45,186 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 766 transitions. [2023-08-29 17:29:45,186 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 766 transitions. [2023-08-29 17:29:45,186 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:29:45,187 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 766 transitions. [2023-08-29 17:29:45,188 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 255.33333333333334) internal successors, (766), 3 states have internal predecessors, (766), 0 states have call successors, (0), 0 states 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 17:29:45,191 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 558.0) internal successors, (2232), 4 states have internal predecessors, (2232), 0 states have call successors, (0), 0 states 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 17:29:45,192 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 558.0) internal successors, (2232), 4 states have internal predecessors, (2232), 0 states have call successors, (0), 0 states 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 17:29:45,192 INFO L175 Difference]: Start difference. First operand has 45 places, 44 transitions, 101 flow. Second operand 3 states and 766 transitions. [2023-08-29 17:29:45,192 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 72 transitions, 304 flow [2023-08-29 17:29:45,193 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 72 transitions, 304 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 17:29:45,194 INFO L231 Difference]: Finished difference. Result has 45 places, 43 transitions, 112 flow [2023-08-29 17:29:45,195 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=558, PETRI_DIFFERENCE_MINUEND_FLOW=95, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=112, PETRI_PLACES=45, PETRI_TRANSITIONS=43} [2023-08-29 17:29:45,195 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -19 predicate places. [2023-08-29 17:29:45,196 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 43 transitions, 112 flow [2023-08-29 17:29:45,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 234.66666666666666) internal successors, (704), 3 states have internal predecessors, (704), 0 states have call successors, (0), 0 states 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 17:29:45,196 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:29:45,196 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-29 17:29:45,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 17:29:45,197 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 17:29:45,197 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:29:45,197 INFO L85 PathProgramCache]: Analyzing trace with hash -977639090, now seen corresponding path program 1 times [2023-08-29 17:29:45,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:29:45,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822646315] [2023-08-29 17:29:45,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:29:45,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:29:45,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:29:45,394 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 17:29:45,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:29:45,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822646315] [2023-08-29 17:29:45,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822646315] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:29:45,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:29:45,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:29:45,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779570742] [2023-08-29 17:29:45,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:29:45,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:29:45,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:29:45,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:29:45,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:29:45,440 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 252 out of 558 [2023-08-29 17:29:45,441 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 43 transitions, 112 flow. Second operand has 3 states, 3 states have (on average 254.0) internal successors, (762), 3 states have internal predecessors, (762), 0 states have call successors, (0), 0 states 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 17:29:45,441 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:29:45,441 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 252 of 558 [2023-08-29 17:29:45,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:29:45,588 INFO L130 PetriNetUnfolder]: 671/1125 cut-off events. [2023-08-29 17:29:45,589 INFO L131 PetriNetUnfolder]: For 72/72 co-relation queries the response was YES. [2023-08-29 17:29:45,592 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2342 conditions, 1125 events. 671/1125 cut-off events. For 72/72 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 5279 event pairs, 203 based on Foata normal form. 0/824 useless extension candidates. Maximal degree in co-relation 2337. Up to 552 conditions per place. [2023-08-29 17:29:45,596 INFO L137 encePairwiseOnDemand]: 556/558 looper letters, 53 selfloop transitions, 1 changer transitions 0/63 dead transitions. [2023-08-29 17:29:45,596 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 63 transitions, 270 flow [2023-08-29 17:29:45,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:29:45,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:29:45,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 807 transitions. [2023-08-29 17:29:45,600 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.482078853046595 [2023-08-29 17:29:45,600 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 807 transitions. [2023-08-29 17:29:45,600 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 807 transitions. [2023-08-29 17:29:45,600 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:29:45,600 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 807 transitions. [2023-08-29 17:29:45,602 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 269.0) internal successors, (807), 3 states have internal predecessors, (807), 0 states have call successors, (0), 0 states 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 17:29:45,604 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 558.0) internal successors, (2232), 4 states have internal predecessors, (2232), 0 states have call successors, (0), 0 states 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 17:29:45,605 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 558.0) internal successors, (2232), 4 states have internal predecessors, (2232), 0 states have call successors, (0), 0 states 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 17:29:45,606 INFO L175 Difference]: Start difference. First operand has 45 places, 43 transitions, 112 flow. Second operand 3 states and 807 transitions. [2023-08-29 17:29:45,606 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 63 transitions, 270 flow [2023-08-29 17:29:45,607 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 63 transitions, 270 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 17:29:45,608 INFO L231 Difference]: Finished difference. Result has 46 places, 42 transitions, 112 flow [2023-08-29 17:29:45,608 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=558, PETRI_DIFFERENCE_MINUEND_FLOW=110, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=112, PETRI_PLACES=46, PETRI_TRANSITIONS=42} [2023-08-29 17:29:45,609 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -18 predicate places. [2023-08-29 17:29:45,609 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 42 transitions, 112 flow [2023-08-29 17:29:45,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 254.0) internal successors, (762), 3 states have internal predecessors, (762), 0 states have call successors, (0), 0 states 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 17:29:45,609 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:29:45,610 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:29:45,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 17:29:45,610 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting counter_threadErr2ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 17:29:45,610 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:29:45,611 INFO L85 PathProgramCache]: Analyzing trace with hash 2140452600, now seen corresponding path program 1 times [2023-08-29 17:29:45,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:29:45,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027979883] [2023-08-29 17:29:45,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:29:45,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:29:45,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:29:45,658 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 17:29:45,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:29:45,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027979883] [2023-08-29 17:29:45,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027979883] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:29:45,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:29:45,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:29:45,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349811507] [2023-08-29 17:29:45,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:29:45,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:29:45,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:29:45,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:29:45,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:29:45,669 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 250 out of 558 [2023-08-29 17:29:45,670 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 42 transitions, 112 flow. Second operand has 3 states, 3 states have (on average 252.66666666666666) internal successors, (758), 3 states have internal predecessors, (758), 0 states have call successors, (0), 0 states 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 17:29:45,670 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:29:45,671 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 250 of 558 [2023-08-29 17:29:45,671 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:29:45,848 INFO L130 PetriNetUnfolder]: 1278/2065 cut-off events. [2023-08-29 17:29:45,848 INFO L131 PetriNetUnfolder]: For 244/244 co-relation queries the response was YES. [2023-08-29 17:29:45,851 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4526 conditions, 2065 events. 1278/2065 cut-off events. For 244/244 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 9284 event pairs, 412 based on Foata normal form. 0/1643 useless extension candidates. Maximal degree in co-relation 4520. Up to 1036 conditions per place. [2023-08-29 17:29:45,858 INFO L137 encePairwiseOnDemand]: 552/558 looper letters, 58 selfloop transitions, 4 changer transitions 1/69 dead transitions. [2023-08-29 17:29:45,859 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 69 transitions, 300 flow [2023-08-29 17:29:45,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:29:45,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:29:45,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 813 transitions. [2023-08-29 17:29:45,862 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48566308243727596 [2023-08-29 17:29:45,862 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 813 transitions. [2023-08-29 17:29:45,862 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 813 transitions. [2023-08-29 17:29:45,862 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:29:45,862 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 813 transitions. [2023-08-29 17:29:45,864 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 271.0) internal successors, (813), 3 states have internal predecessors, (813), 0 states have call successors, (0), 0 states 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 17:29:45,867 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 558.0) internal successors, (2232), 4 states have internal predecessors, (2232), 0 states have call successors, (0), 0 states 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 17:29:45,868 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 558.0) internal successors, (2232), 4 states have internal predecessors, (2232), 0 states have call successors, (0), 0 states 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 17:29:45,868 INFO L175 Difference]: Start difference. First operand has 46 places, 42 transitions, 112 flow. Second operand 3 states and 813 transitions. [2023-08-29 17:29:45,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 69 transitions, 300 flow [2023-08-29 17:29:45,870 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 69 transitions, 298 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 17:29:45,871 INFO L231 Difference]: Finished difference. Result has 48 places, 44 transitions, 139 flow [2023-08-29 17:29:45,871 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=558, PETRI_DIFFERENCE_MINUEND_FLOW=109, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=139, PETRI_PLACES=48, PETRI_TRANSITIONS=44} [2023-08-29 17:29:45,872 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -16 predicate places. [2023-08-29 17:29:45,872 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 44 transitions, 139 flow [2023-08-29 17:29:45,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 252.66666666666666) internal successors, (758), 3 states have internal predecessors, (758), 0 states have call successors, (0), 0 states 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 17:29:45,873 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:29:45,873 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:29:45,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 17:29:45,873 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting counter_threadErr3ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 17:29:45,874 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:29:45,874 INFO L85 PathProgramCache]: Analyzing trace with hash -314209255, now seen corresponding path program 1 times [2023-08-29 17:29:45,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:29:45,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915622602] [2023-08-29 17:29:45,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:29:45,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:29:45,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:29:45,921 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 17:29:45,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:29:45,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915622602] [2023-08-29 17:29:45,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915622602] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:29:45,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:29:45,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:29:45,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617610842] [2023-08-29 17:29:45,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:29:45,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:29:45,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:29:45,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:29:45,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:29:45,935 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 250 out of 558 [2023-08-29 17:29:45,937 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 44 transitions, 139 flow. Second operand has 3 states, 3 states have (on average 253.33333333333334) internal successors, (760), 3 states have internal predecessors, (760), 0 states have call successors, (0), 0 states 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 17:29:45,937 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:29:45,937 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 250 of 558 [2023-08-29 17:29:45,937 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:29:46,119 INFO L130 PetriNetUnfolder]: 1274/2076 cut-off events. [2023-08-29 17:29:46,119 INFO L131 PetriNetUnfolder]: For 341/349 co-relation queries the response was YES. [2023-08-29 17:29:46,122 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4894 conditions, 2076 events. 1274/2076 cut-off events. For 341/349 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 9364 event pairs, 752 based on Foata normal form. 8/1578 useless extension candidates. Maximal degree in co-relation 4887. Up to 1779 conditions per place. [2023-08-29 17:29:46,130 INFO L137 encePairwiseOnDemand]: 554/558 looper letters, 47 selfloop transitions, 4 changer transitions 3/61 dead transitions. [2023-08-29 17:29:46,130 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 61 transitions, 289 flow [2023-08-29 17:29:46,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:29:46,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:29:46,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 799 transitions. [2023-08-29 17:29:46,133 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.477299880525687 [2023-08-29 17:29:46,133 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 799 transitions. [2023-08-29 17:29:46,133 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 799 transitions. [2023-08-29 17:29:46,133 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:29:46,134 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 799 transitions. [2023-08-29 17:29:46,135 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 266.3333333333333) internal successors, (799), 3 states have internal predecessors, (799), 0 states have call successors, (0), 0 states 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 17:29:46,138 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 558.0) internal successors, (2232), 4 states have internal predecessors, (2232), 0 states have call successors, (0), 0 states 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 17:29:46,139 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 558.0) internal successors, (2232), 4 states have internal predecessors, (2232), 0 states have call successors, (0), 0 states 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 17:29:46,139 INFO L175 Difference]: Start difference. First operand has 48 places, 44 transitions, 139 flow. Second operand 3 states and 799 transitions. [2023-08-29 17:29:46,140 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 61 transitions, 289 flow [2023-08-29 17:29:46,141 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 61 transitions, 279 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 17:29:46,142 INFO L231 Difference]: Finished difference. Result has 49 places, 45 transitions, 154 flow [2023-08-29 17:29:46,143 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=558, PETRI_DIFFERENCE_MINUEND_FLOW=131, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=154, PETRI_PLACES=49, PETRI_TRANSITIONS=45} [2023-08-29 17:29:46,143 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -15 predicate places. [2023-08-29 17:29:46,143 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 45 transitions, 154 flow [2023-08-29 17:29:46,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 253.33333333333334) internal successors, (760), 3 states have internal predecessors, (760), 0 states have call successors, (0), 0 states 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 17:29:46,144 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:29:46,144 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:29:46,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 17:29:46,145 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 17:29:46,145 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:29:46,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1707986489, now seen corresponding path program 1 times [2023-08-29 17:29:46,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:29:46,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234362598] [2023-08-29 17:29:46,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:29:46,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:29:46,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:29:46,334 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 17:29:46,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:29:46,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234362598] [2023-08-29 17:29:46,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234362598] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:29:46,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:29:46,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:29:46,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165507115] [2023-08-29 17:29:46,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:29:46,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:29:46,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:29:46,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:29:46,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:29:46,367 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 251 out of 558 [2023-08-29 17:29:46,368 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 45 transitions, 154 flow. Second operand has 3 states, 3 states have (on average 255.0) internal successors, (765), 3 states have internal predecessors, (765), 0 states have call successors, (0), 0 states 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 17:29:46,368 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:29:46,369 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 251 of 558 [2023-08-29 17:29:46,369 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:29:46,568 INFO L130 PetriNetUnfolder]: 1196/1946 cut-off events. [2023-08-29 17:29:46,568 INFO L131 PetriNetUnfolder]: For 438/470 co-relation queries the response was YES. [2023-08-29 17:29:46,571 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4771 conditions, 1946 events. 1196/1946 cut-off events. For 438/470 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 8714 event pairs, 731 based on Foata normal form. 0/1508 useless extension candidates. Maximal degree in co-relation 4763. Up to 1730 conditions per place. [2023-08-29 17:29:46,577 INFO L137 encePairwiseOnDemand]: 556/558 looper letters, 35 selfloop transitions, 1 changer transitions 10/54 dead transitions. [2023-08-29 17:29:46,577 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 54 transitions, 274 flow [2023-08-29 17:29:46,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:29:46,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:29:46,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 792 transitions. [2023-08-29 17:29:46,579 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4731182795698925 [2023-08-29 17:29:46,580 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 792 transitions. [2023-08-29 17:29:46,580 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 792 transitions. [2023-08-29 17:29:46,580 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:29:46,580 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 792 transitions. [2023-08-29 17:29:46,582 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 264.0) internal successors, (792), 3 states have internal predecessors, (792), 0 states have call successors, (0), 0 states 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 17:29:46,585 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 558.0) internal successors, (2232), 4 states have internal predecessors, (2232), 0 states have call successors, (0), 0 states 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 17:29:46,585 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 558.0) internal successors, (2232), 4 states have internal predecessors, (2232), 0 states have call successors, (0), 0 states 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 17:29:46,585 INFO L175 Difference]: Start difference. First operand has 49 places, 45 transitions, 154 flow. Second operand 3 states and 792 transitions. [2023-08-29 17:29:46,586 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 54 transitions, 274 flow [2023-08-29 17:29:46,587 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 54 transitions, 270 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 17:29:46,588 INFO L231 Difference]: Finished difference. Result has 47 places, 44 transitions, 150 flow [2023-08-29 17:29:46,589 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=558, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=150, PETRI_PLACES=47, PETRI_TRANSITIONS=44} [2023-08-29 17:29:46,589 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -17 predicate places. [2023-08-29 17:29:46,589 INFO L495 AbstractCegarLoop]: Abstraction has has 47 places, 44 transitions, 150 flow [2023-08-29 17:29:46,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 255.0) internal successors, (765), 3 states have internal predecessors, (765), 0 states have call successors, (0), 0 states 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 17:29:46,590 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:29:46,590 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:29:46,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 17:29:46,590 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting monitor_threadErr2ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 17:29:46,591 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:29:46,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1670809747, now seen corresponding path program 1 times [2023-08-29 17:29:46,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:29:46,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91433012] [2023-08-29 17:29:46,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:29:46,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:29:46,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:29:46,716 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 17:29:46,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:29:46,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91433012] [2023-08-29 17:29:46,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91433012] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:29:46,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:29:46,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-29 17:29:46,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491276802] [2023-08-29 17:29:46,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:29:46,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-29 17:29:46,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:29:46,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-29 17:29:46,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-29 17:29:46,750 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 558 [2023-08-29 17:29:46,751 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 44 transitions, 150 flow. Second operand has 4 states, 4 states have (on average 249.0) internal successors, (996), 4 states have internal predecessors, (996), 0 states have call successors, (0), 0 states 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 17:29:46,751 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:29:46,751 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 558 [2023-08-29 17:29:46,751 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:29:47,107 INFO L130 PetriNetUnfolder]: 2502/3902 cut-off events. [2023-08-29 17:29:47,107 INFO L131 PetriNetUnfolder]: For 942/994 co-relation queries the response was YES. [2023-08-29 17:29:47,113 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9391 conditions, 3902 events. 2502/3902 cut-off events. For 942/994 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 19093 event pairs, 529 based on Foata normal form. 62/2996 useless extension candidates. Maximal degree in co-relation 9383. Up to 1546 conditions per place. [2023-08-29 17:29:47,125 INFO L137 encePairwiseOnDemand]: 551/558 looper letters, 79 selfloop transitions, 9 changer transitions 10/106 dead transitions. [2023-08-29 17:29:47,125 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 106 transitions, 531 flow [2023-08-29 17:29:47,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-29 17:29:47,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-29 17:29:47,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1311 transitions. [2023-08-29 17:29:47,129 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4698924731182796 [2023-08-29 17:29:47,129 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1311 transitions. [2023-08-29 17:29:47,129 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1311 transitions. [2023-08-29 17:29:47,130 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:29:47,130 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1311 transitions. [2023-08-29 17:29:47,132 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 262.2) internal successors, (1311), 5 states have internal predecessors, (1311), 0 states have call successors, (0), 0 states 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 17:29:47,136 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 558.0) internal successors, (3348), 6 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states 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 17:29:47,137 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 558.0) internal successors, (3348), 6 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states 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 17:29:47,137 INFO L175 Difference]: Start difference. First operand has 47 places, 44 transitions, 150 flow. Second operand 5 states and 1311 transitions. [2023-08-29 17:29:47,137 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 106 transitions, 531 flow [2023-08-29 17:29:47,139 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 106 transitions, 529 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 17:29:47,141 INFO L231 Difference]: Finished difference. Result has 54 places, 52 transitions, 229 flow [2023-08-29 17:29:47,141 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=558, PETRI_DIFFERENCE_MINUEND_FLOW=149, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=229, PETRI_PLACES=54, PETRI_TRANSITIONS=52} [2023-08-29 17:29:47,141 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -10 predicate places. [2023-08-29 17:29:47,141 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 52 transitions, 229 flow [2023-08-29 17:29:47,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 249.0) internal successors, (996), 4 states have internal predecessors, (996), 0 states have call successors, (0), 0 states 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 17:29:47,142 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:29:47,142 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:29:47,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 17:29:47,143 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting monitor_threadErr2ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 17:29:47,143 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:29:47,143 INFO L85 PathProgramCache]: Analyzing trace with hash -747471075, now seen corresponding path program 2 times [2023-08-29 17:29:47,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:29:47,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480188529] [2023-08-29 17:29:47,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:29:47,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:29:47,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:29:47,280 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 17:29:47,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:29:47,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480188529] [2023-08-29 17:29:47,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480188529] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:29:47,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:29:47,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-29 17:29:47,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353672277] [2023-08-29 17:29:47,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:29:47,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-29 17:29:47,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:29:47,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-29 17:29:47,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-08-29 17:29:47,310 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 558 [2023-08-29 17:29:47,311 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 52 transitions, 229 flow. Second operand has 4 states, 4 states have (on average 249.0) internal successors, (996), 4 states have internal predecessors, (996), 0 states have call successors, (0), 0 states 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 17:29:47,312 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:29:47,312 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 558 [2023-08-29 17:29:47,312 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:29:47,759 INFO L130 PetriNetUnfolder]: 2933/4611 cut-off events. [2023-08-29 17:29:47,760 INFO L131 PetriNetUnfolder]: For 3347/3407 co-relation queries the response was YES. [2023-08-29 17:29:47,770 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13527 conditions, 4611 events. 2933/4611 cut-off events. For 3347/3407 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 23100 event pairs, 584 based on Foata normal form. 58/3772 useless extension candidates. Maximal degree in co-relation 13516. Up to 1835 conditions per place. [2023-08-29 17:29:47,785 INFO L137 encePairwiseOnDemand]: 549/558 looper letters, 76 selfloop transitions, 16 changer transitions 8/108 dead transitions. [2023-08-29 17:29:47,785 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 108 transitions, 644 flow [2023-08-29 17:29:47,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-29 17:29:47,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-29 17:29:47,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1058 transitions. [2023-08-29 17:29:47,788 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47401433691756273 [2023-08-29 17:29:47,788 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1058 transitions. [2023-08-29 17:29:47,788 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1058 transitions. [2023-08-29 17:29:47,789 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:29:47,789 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1058 transitions. [2023-08-29 17:29:47,791 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 264.5) internal successors, (1058), 4 states have internal predecessors, (1058), 0 states have call successors, (0), 0 states 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 17:29:47,795 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 558.0) internal successors, (2790), 5 states have internal predecessors, (2790), 0 states have call successors, (0), 0 states 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 17:29:47,795 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 558.0) internal successors, (2790), 5 states have internal predecessors, (2790), 0 states have call successors, (0), 0 states 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 17:29:47,796 INFO L175 Difference]: Start difference. First operand has 54 places, 52 transitions, 229 flow. Second operand 4 states and 1058 transitions. [2023-08-29 17:29:47,796 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 108 transitions, 644 flow [2023-08-29 17:29:47,800 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 108 transitions, 644 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 17:29:47,801 INFO L231 Difference]: Finished difference. Result has 60 places, 62 transitions, 364 flow [2023-08-29 17:29:47,802 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=558, PETRI_DIFFERENCE_MINUEND_FLOW=229, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=364, PETRI_PLACES=60, PETRI_TRANSITIONS=62} [2023-08-29 17:29:47,802 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -4 predicate places. [2023-08-29 17:29:47,802 INFO L495 AbstractCegarLoop]: Abstraction has has 60 places, 62 transitions, 364 flow [2023-08-29 17:29:47,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 249.0) internal successors, (996), 4 states have internal predecessors, (996), 0 states have call successors, (0), 0 states 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 17:29:47,803 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:29:47,803 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:29:47,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 17:29:47,803 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting monitor_threadErr2ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 17:29:47,804 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:29:47,804 INFO L85 PathProgramCache]: Analyzing trace with hash -1356821955, now seen corresponding path program 3 times [2023-08-29 17:29:47,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:29:47,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618174125] [2023-08-29 17:29:47,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:29:47,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:29:47,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:29:47,924 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 17:29:47,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:29:47,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618174125] [2023-08-29 17:29:47,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618174125] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:29:47,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:29:47,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-29 17:29:47,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462966891] [2023-08-29 17:29:47,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:29:47,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-29 17:29:47,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:29:47,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-29 17:29:47,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-08-29 17:29:47,955 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 558 [2023-08-29 17:29:47,956 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 62 transitions, 364 flow. Second operand has 4 states, 4 states have (on average 249.0) internal successors, (996), 4 states have internal predecessors, (996), 0 states have call successors, (0), 0 states 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 17:29:47,956 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:29:47,956 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 558 [2023-08-29 17:29:47,956 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:29:48,242 INFO L130 PetriNetUnfolder]: 1991/3137 cut-off events. [2023-08-29 17:29:48,242 INFO L131 PetriNetUnfolder]: For 3451/3451 co-relation queries the response was YES. [2023-08-29 17:29:48,250 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9921 conditions, 3137 events. 1991/3137 cut-off events. For 3451/3451 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 15207 event pairs, 618 based on Foata normal form. 4/2433 useless extension candidates. Maximal degree in co-relation 9907. Up to 1081 conditions per place. [2023-08-29 17:29:48,254 INFO L137 encePairwiseOnDemand]: 551/558 looper letters, 0 selfloop transitions, 0 changer transitions 84/84 dead transitions. [2023-08-29 17:29:48,254 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 84 transitions, 552 flow [2023-08-29 17:29:48,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-29 17:29:48,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-29 17:29:48,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1045 transitions. [2023-08-29 17:29:48,257 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4681899641577061 [2023-08-29 17:29:48,257 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1045 transitions. [2023-08-29 17:29:48,258 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1045 transitions. [2023-08-29 17:29:48,258 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:29:48,258 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1045 transitions. [2023-08-29 17:29:48,260 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 261.25) internal successors, (1045), 4 states have internal predecessors, (1045), 0 states have call successors, (0), 0 states 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 17:29:48,264 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 558.0) internal successors, (2790), 5 states have internal predecessors, (2790), 0 states have call successors, (0), 0 states 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 17:29:48,265 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 558.0) internal successors, (2790), 5 states have internal predecessors, (2790), 0 states have call successors, (0), 0 states 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 17:29:48,265 INFO L175 Difference]: Start difference. First operand has 60 places, 62 transitions, 364 flow. Second operand 4 states and 1045 transitions. [2023-08-29 17:29:48,265 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 84 transitions, 552 flow [2023-08-29 17:29:48,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 84 transitions, 507 flow, removed 11 selfloop flow, removed 4 redundant places. [2023-08-29 17:29:48,280 INFO L231 Difference]: Finished difference. Result has 57 places, 0 transitions, 0 flow [2023-08-29 17:29:48,280 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=558, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=57, PETRI_TRANSITIONS=0} [2023-08-29 17:29:48,281 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -7 predicate places. [2023-08-29 17:29:48,281 INFO L495 AbstractCegarLoop]: Abstraction has has 57 places, 0 transitions, 0 flow [2023-08-29 17:29:48,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 249.0) internal successors, (996), 4 states have internal predecessors, (996), 0 states have call successors, (0), 0 states 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 17:29:48,284 INFO L805 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr0ASSERT_VIOLATIONDATA_RACE (26 of 27 remaining) [2023-08-29 17:29:48,285 INFO L805 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (25 of 27 remaining) [2023-08-29 17:29:48,285 INFO L805 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (24 of 27 remaining) [2023-08-29 17:29:48,285 INFO L805 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr3ASSERT_VIOLATIONDATA_RACE (23 of 27 remaining) [2023-08-29 17:29:48,285 INFO L805 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr0ASSERT_VIOLATIONDATA_RACE (22 of 27 remaining) [2023-08-29 17:29:48,285 INFO L805 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr1ASSERT_VIOLATIONDATA_RACE (21 of 27 remaining) [2023-08-29 17:29:48,285 INFO L805 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr2ASSERT_VIOLATIONDATA_RACE (20 of 27 remaining) [2023-08-29 17:29:48,286 INFO L805 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr4ASSERT_VIOLATIONDATA_RACE (19 of 27 remaining) [2023-08-29 17:29:48,286 INFO L805 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr3ASSERT_VIOLATIONDATA_RACE (18 of 27 remaining) [2023-08-29 17:29:48,286 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (17 of 27 remaining) [2023-08-29 17:29:48,286 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (16 of 27 remaining) [2023-08-29 17:29:48,286 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (15 of 27 remaining) [2023-08-29 17:29:48,286 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (14 of 27 remaining) [2023-08-29 17:29:48,287 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (13 of 27 remaining) [2023-08-29 17:29:48,287 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (12 of 27 remaining) [2023-08-29 17:29:48,287 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (11 of 27 remaining) [2023-08-29 17:29:48,287 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 27 remaining) [2023-08-29 17:29:48,287 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 27 remaining) [2023-08-29 17:29:48,287 INFO L805 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr0ASSERT_VIOLATIONDATA_RACE (8 of 27 remaining) [2023-08-29 17:29:48,288 INFO L805 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (7 of 27 remaining) [2023-08-29 17:29:48,288 INFO L805 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (6 of 27 remaining) [2023-08-29 17:29:48,288 INFO L805 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr3ASSERT_VIOLATIONDATA_RACE (5 of 27 remaining) [2023-08-29 17:29:48,288 INFO L805 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr0ASSERT_VIOLATIONDATA_RACE (4 of 27 remaining) [2023-08-29 17:29:48,288 INFO L805 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr1ASSERT_VIOLATIONDATA_RACE (3 of 27 remaining) [2023-08-29 17:29:48,288 INFO L805 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr2ASSERT_VIOLATIONDATA_RACE (2 of 27 remaining) [2023-08-29 17:29:48,289 INFO L805 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr4ASSERT_VIOLATIONDATA_RACE (1 of 27 remaining) [2023-08-29 17:29:48,289 INFO L805 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr3ASSERT_VIOLATIONDATA_RACE (0 of 27 remaining) [2023-08-29 17:29:48,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 17:29:48,289 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:29:48,293 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 17:29:48,294 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 17:29:48,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 05:29:48 BasicIcfg [2023-08-29 17:29:48,296 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 17:29:48,297 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 17:29:48,297 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 17:29:48,297 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 17:29:48,298 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 05:29:34" (3/4) ... [2023-08-29 17:29:48,299 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 17:29:48,304 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure monitor_thread [2023-08-29 17:29:48,305 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure counter_thread [2023-08-29 17:29:48,308 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2023-08-29 17:29:48,309 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-08-29 17:29:48,309 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-08-29 17:29:48,309 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 17:29:48,309 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 17:29:48,338 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 17:29:48,339 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 17:29:48,339 INFO L158 Benchmark]: Toolchain (without parser) took 15944.11ms. Allocated memory was 75.5MB in the beginning and 278.9MB in the end (delta: 203.4MB). Free memory was 50.1MB in the beginning and 79.7MB in the end (delta: -29.6MB). Peak memory consumption was 173.0MB. Max. memory is 16.1GB. [2023-08-29 17:29:48,339 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 58.7MB. Free memory is still 36.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 17:29:48,340 INFO L158 Benchmark]: CACSL2BoogieTranslator took 969.37ms. Allocated memory is still 75.5MB. Free memory was 49.9MB in the beginning and 30.0MB in the end (delta: 20.0MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2023-08-29 17:29:48,340 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.29ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 30.0MB in the beginning and 64.9MB in the end (delta: -34.9MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2023-08-29 17:29:48,340 INFO L158 Benchmark]: Boogie Preprocessor took 88.05ms. Allocated memory is still 92.3MB. Free memory was 64.9MB in the beginning and 61.4MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 17:29:48,341 INFO L158 Benchmark]: RCFGBuilder took 641.43ms. Allocated memory is still 92.3MB. Free memory was 61.4MB in the beginning and 57.7MB in the end (delta: 3.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-08-29 17:29:48,341 INFO L158 Benchmark]: TraceAbstraction took 14119.37ms. Allocated memory was 92.3MB in the beginning and 278.9MB in the end (delta: 186.6MB). Free memory was 57.2MB in the beginning and 82.9MB in the end (delta: -25.7MB). Peak memory consumption was 174.6MB. Max. memory is 16.1GB. [2023-08-29 17:29:48,344 INFO L158 Benchmark]: Witness Printer took 41.95ms. Allocated memory is still 278.9MB. Free memory was 82.9MB in the beginning and 79.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 17:29:48,345 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 58.7MB. Free memory is still 36.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 969.37ms. Allocated memory is still 75.5MB. Free memory was 49.9MB in the beginning and 30.0MB in the end (delta: 20.0MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.29ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 30.0MB in the beginning and 64.9MB in the end (delta: -34.9MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.05ms. Allocated memory is still 92.3MB. Free memory was 64.9MB in the beginning and 61.4MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 641.43ms. Allocated memory is still 92.3MB. Free memory was 61.4MB in the beginning and 57.7MB in the end (delta: 3.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 14119.37ms. Allocated memory was 92.3MB in the beginning and 278.9MB in the end (delta: 186.6MB). Free memory was 57.2MB in the beginning and 82.9MB in the end (delta: -25.7MB). Peak memory consumption was 174.6MB. Max. memory is 16.1GB. * Witness Printer took 41.95ms. Allocated memory is still 278.9MB. Free memory was 82.9MB in the beginning and 79.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.5s, 248 PlacesBefore, 64 PlacesAfterwards, 270 TransitionsBefore, 79 TransitionsAfterwards, 20040 CoEnabledTransitionPairs, 7 FixpointIterations, 69 TrivialSequentialCompositions, 155 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 37 ConcurrentYvCompositions, 7 ChoiceCompositions, 270 TotalNumberOfCompositions, 40329 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 21874, independent: 21413, independent conditional: 0, independent unconditional: 21413, dependent: 461, dependent conditional: 0, dependent unconditional: 461, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 11981, independent: 11877, independent conditional: 0, independent unconditional: 11877, dependent: 104, dependent conditional: 0, dependent unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 21874, independent: 9536, independent conditional: 0, independent unconditional: 9536, dependent: 357, dependent conditional: 0, dependent unconditional: 357, unknown: 11981, unknown conditional: 0, unknown unconditional: 11981] , Statistics on independence cache: Total cache size (in pairs): 595, Positive cache size: 554, Positive conditional cache size: 0, Positive unconditional cache size: 554, Negative cache size: 41, Negative conditional cache size: 0, Negative unconditional cache size: 41, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 1819]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1824]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1825]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1828]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1803]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1806]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1808]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1811]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1808]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1843]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1846]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1849]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1850]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1852]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1853]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1855]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 370 locations, 27 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: 14.0s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 543 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 320 mSDsluCounter, 100 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26 mSDsCounter, 99 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1107 IncrementalHoareTripleChecker+Invalid, 1206 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 99 mSolverCounterUnsat, 74 mSDtfsCounter, 1107 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=364occurred in iteration=9, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 188 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 17:29:48,368 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE