./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-4.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version efd9311c 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 /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-4.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 57b9f50bcc1a62fff86b613ffbbe182d8b5828efa44efacd776b022a56af4d4d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 16:34:34,460 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 16:34:34,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 16:34:34,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 16:34:34,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 16:34:34,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 16:34:34,493 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 16:34:34,497 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 16:34:34,498 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 16:34:34,501 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 16:34:34,502 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 16:34:34,503 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 16:34:34,503 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 16:34:34,505 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 16:34:34,506 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 16:34:34,507 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 16:34:34,507 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 16:34:34,508 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 16:34:34,510 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 16:34:34,514 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 16:34:34,515 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 16:34:34,516 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 16:34:34,517 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 16:34:34,517 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 16:34:34,518 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 16:34:34,523 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 16:34:34,523 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 16:34:34,523 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 16:34:34,524 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 16:34:34,524 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 16:34:34,525 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 16:34:34,525 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 16:34:34,526 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 16:34:34,527 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 16:34:34,527 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 16:34:34,528 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 16:34:34,528 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 16:34:34,528 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 16:34:34,529 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 16:34:34,529 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 16:34:34,529 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 16:34:34,530 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 16:34:34,532 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-04-18 16:34:34,552 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 16:34:34,553 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 16:34:34,553 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 16:34:34,553 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 16:34:34,553 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 16:34:34,554 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 16:34:34,554 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 16:34:34,554 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 16:34:34,554 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 16:34:34,555 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 16:34:34,555 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 16:34:34,555 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 16:34:34,555 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 16:34:34,555 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 16:34:34,556 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 16:34:34,556 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 16:34:34,556 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 16:34:34,556 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 16:34:34,556 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 16:34:34,557 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 16:34:34,557 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 16:34:34,558 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 16:34:34,558 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 16:34:34,558 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 16:34:34,558 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 16:34:34,558 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 16:34:34,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 16:34:34,558 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 16:34:34,559 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 16:34:34,559 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 16:34:34,559 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-18 16:34:34,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 16:34:34,559 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 16:34:34,559 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-04-18 16:34:34,559 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 16:34:34,560 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57b9f50bcc1a62fff86b613ffbbe182d8b5828efa44efacd776b022a56af4d4d [2022-04-18 16:34:34,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 16:34:34,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 16:34:34,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 16:34:34,763 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 16:34:34,767 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 16:34:34,768 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-4.wvr.c [2022-04-18 16:34:34,826 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78bb2d8aa/bee84bcaa0ba4cf08113c7183709c74b/FLAGc44e386fe [2022-04-18 16:34:35,218 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 16:34:35,219 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-4.wvr.c [2022-04-18 16:34:35,223 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78bb2d8aa/bee84bcaa0ba4cf08113c7183709c74b/FLAGc44e386fe [2022-04-18 16:34:35,232 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78bb2d8aa/bee84bcaa0ba4cf08113c7183709c74b [2022-04-18 16:34:35,233 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 16:34:35,234 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 16:34:35,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 16:34:35,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 16:34:35,240 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 16:34:35,240 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:34:35" (1/1) ... [2022-04-18 16:34:35,241 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32abde97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:34:35, skipping insertion in model container [2022-04-18 16:34:35,241 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:34:35" (1/1) ... [2022-04-18 16:34:35,246 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 16:34:35,258 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 16:34:35,390 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-4.wvr.c[3526,3539] [2022-04-18 16:34:35,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 16:34:35,396 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 16:34:35,417 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-4.wvr.c[3526,3539] [2022-04-18 16:34:35,418 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 16:34:35,427 INFO L208 MainTranslator]: Completed translation [2022-04-18 16:34:35,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:34:35 WrapperNode [2022-04-18 16:34:35,428 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 16:34:35,429 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 16:34:35,429 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 16:34:35,429 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 16:34:35,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:34:35" (1/1) ... [2022-04-18 16:34:35,440 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:34:35" (1/1) ... [2022-04-18 16:34:35,458 INFO L137 Inliner]: procedures = 23, calls = 70, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 408 [2022-04-18 16:34:35,458 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 16:34:35,459 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 16:34:35,459 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 16:34:35,459 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 16:34:35,465 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:34:35" (1/1) ... [2022-04-18 16:34:35,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:34:35" (1/1) ... [2022-04-18 16:34:35,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:34:35" (1/1) ... [2022-04-18 16:34:35,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:34:35" (1/1) ... [2022-04-18 16:34:35,476 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:34:35" (1/1) ... [2022-04-18 16:34:35,478 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:34:35" (1/1) ... [2022-04-18 16:34:35,479 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:34:35" (1/1) ... [2022-04-18 16:34:35,481 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 16:34:35,482 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 16:34:35,482 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 16:34:35,482 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 16:34:35,483 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:34:35" (1/1) ... [2022-04-18 16:34:35,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 16:34:35,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-18 16:34:35,525 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) [2022-04-18 16:34:35,544 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 [2022-04-18 16:34:35,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 16:34:35,559 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-04-18 16:34:35,559 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-04-18 16:34:35,559 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-04-18 16:34:35,560 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-04-18 16:34:35,560 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-04-18 16:34:35,561 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-04-18 16:34:35,561 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-04-18 16:34:35,561 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-04-18 16:34:35,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 16:34:35,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 16:34:35,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 16:34:35,562 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-04-18 16:34:35,562 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-04-18 16:34:35,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 16:34:35,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 16:34:35,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-18 16:34:35,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 16:34:35,563 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-04-18 16:34:35,656 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 16:34:35,657 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 16:34:36,054 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 16:34:36,189 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 16:34:36,189 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-04-18 16:34:36,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:34:36 BoogieIcfgContainer [2022-04-18 16:34:36,192 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 16:34:36,193 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 16:34:36,193 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 16:34:36,196 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 16:34:36,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 04:34:35" (1/3) ... [2022-04-18 16:34:36,196 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bb5b3cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:34:36, skipping insertion in model container [2022-04-18 16:34:36,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:34:35" (2/3) ... [2022-04-18 16:34:36,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bb5b3cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:34:36, skipping insertion in model container [2022-04-18 16:34:36,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:34:36" (3/3) ... [2022-04-18 16:34:36,198 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-ticket-4.wvr.c [2022-04-18 16:34:36,202 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 16:34:36,202 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 16:34:36,202 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 62 error locations. [2022-04-18 16:34:36,203 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 16:34:36,280 INFO L135 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-04-18 16:34:36,318 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 16:34:36,324 INFO L340 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 [2022-04-18 16:34:36,324 INFO L341 AbstractCegarLoop]: Starting to check reachability of 109 error locations. [2022-04-18 16:34:36,340 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 292 places, 284 transitions, 600 flow [2022-04-18 16:34:36,429 INFO L129 PetriNetUnfolder]: 5/280 cut-off events. [2022-04-18 16:34:36,429 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-04-18 16:34:36,433 INFO L84 FinitePrefix]: Finished finitePrefix Result has 297 conditions, 280 events. 5/280 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 298 event pairs, 0 based on Foata normal form. 0/213 useless extension candidates. Maximal degree in co-relation 206. Up to 2 conditions per place. [2022-04-18 16:34:36,433 INFO L82 GeneralOperation]: Start removeDead. Operand has 292 places, 284 transitions, 600 flow [2022-04-18 16:34:36,442 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 267 places, 258 transitions, 540 flow [2022-04-18 16:34:36,446 INFO L129 PetriNetUnfolder]: 0/28 cut-off events. [2022-04-18 16:34:36,446 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 16:34:36,446 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:34:36,447 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:34:36,447 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 105 more)] === [2022-04-18 16:34:36,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:34:36,453 INFO L85 PathProgramCache]: Analyzing trace with hash 586584571, now seen corresponding path program 1 times [2022-04-18 16:34:36,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:34:36,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499404203] [2022-04-18 16:34:36,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:34:36,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:34:36,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:34:36,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:34:36,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:34:36,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499404203] [2022-04-18 16:34:36,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499404203] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:34:36,593 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:34:36,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:34:36,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141083825] [2022-04-18 16:34:36,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:34:36,606 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:34:36,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:34:36,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:34:36,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:34:36,640 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 284 [2022-04-18 16:34:36,644 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 267 places, 258 transitions, 540 flow. Second operand has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:36,644 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:34:36,644 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 284 [2022-04-18 16:34:36,645 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:34:37,282 INFO L129 PetriNetUnfolder]: 2442/4251 cut-off events. [2022-04-18 16:34:37,282 INFO L130 PetriNetUnfolder]: For 659/1118 co-relation queries the response was YES. [2022-04-18 16:34:37,293 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8323 conditions, 4251 events. 2442/4251 cut-off events. For 659/1118 co-relation queries the response was YES. Maximal size of possible extension queue 196. Compared 25029 event pairs, 2439 based on Foata normal form. 1/4124 useless extension candidates. Maximal degree in co-relation 7924. Up to 3535 conditions per place. [2022-04-18 16:34:37,320 INFO L132 encePairwiseOnDemand]: 237/284 looper letters, 28 selfloop transitions, 2 changer transitions 1/213 dead transitions. [2022-04-18 16:34:37,321 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 213 transitions, 510 flow [2022-04-18 16:34:37,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:34:37,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:34:37,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 696 transitions. [2022-04-18 16:34:37,336 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8169014084507042 [2022-04-18 16:34:37,337 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 696 transitions. [2022-04-18 16:34:37,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 696 transitions. [2022-04-18 16:34:37,340 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:34:37,342 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 696 transitions. [2022-04-18 16:34:37,346 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 232.0) internal successors, (696), 3 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:37,356 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:37,357 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:37,358 INFO L186 Difference]: Start difference. First operand has 267 places, 258 transitions, 540 flow. Second operand 3 states and 696 transitions. [2022-04-18 16:34:37,359 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 213 transitions, 510 flow [2022-04-18 16:34:37,367 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 213 transitions, 494 flow, removed 0 selfloop flow, removed 8 redundant places. [2022-04-18 16:34:37,371 INFO L242 Difference]: Finished difference. Result has 217 places, 212 transitions, 436 flow [2022-04-18 16:34:37,373 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=434, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=436, PETRI_PLACES=217, PETRI_TRANSITIONS=212} [2022-04-18 16:34:37,379 INFO L335 CegarLoopForPetriNet]: 267 programPoint places, -50 predicate places. [2022-04-18 16:34:37,379 INFO L478 AbstractCegarLoop]: Abstraction has has 217 places, 212 transitions, 436 flow [2022-04-18 16:34:37,380 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:37,380 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:34:37,380 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:34:37,380 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 16:34:37,381 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 105 more)] === [2022-04-18 16:34:37,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:34:37,382 INFO L85 PathProgramCache]: Analyzing trace with hash 908172581, now seen corresponding path program 1 times [2022-04-18 16:34:37,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:34:37,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720407735] [2022-04-18 16:34:37,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:34:37,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:34:37,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:34:37,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:34:37,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:34:37,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720407735] [2022-04-18 16:34:37,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720407735] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:34:37,450 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:34:37,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:34:37,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33965665] [2022-04-18 16:34:37,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:34:37,451 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:34:37,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:34:37,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:34:37,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:34:37,453 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 284 [2022-04-18 16:34:37,453 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 212 transitions, 436 flow. Second operand has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:37,453 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:34:37,454 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 284 [2022-04-18 16:34:37,454 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:34:38,011 INFO L129 PetriNetUnfolder]: 2442/4249 cut-off events. [2022-04-18 16:34:38,011 INFO L130 PetriNetUnfolder]: For 156/615 co-relation queries the response was YES. [2022-04-18 16:34:38,020 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7977 conditions, 4249 events. 2442/4249 cut-off events. For 156/615 co-relation queries the response was YES. Maximal size of possible extension queue 196. Compared 24980 event pairs, 2439 based on Foata normal form. 0/4123 useless extension candidates. Maximal degree in co-relation 7940. Up to 3535 conditions per place. [2022-04-18 16:34:38,041 INFO L132 encePairwiseOnDemand]: 281/284 looper letters, 28 selfloop transitions, 2 changer transitions 0/211 dead transitions. [2022-04-18 16:34:38,041 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 211 transitions, 494 flow [2022-04-18 16:34:38,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:34:38,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:34:38,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 652 transitions. [2022-04-18 16:34:38,043 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7652582159624414 [2022-04-18 16:34:38,043 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 652 transitions. [2022-04-18 16:34:38,043 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 652 transitions. [2022-04-18 16:34:38,044 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:34:38,044 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 652 transitions. [2022-04-18 16:34:38,045 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 217.33333333333334) internal successors, (652), 3 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:38,046 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:38,047 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:38,047 INFO L186 Difference]: Start difference. First operand has 217 places, 212 transitions, 436 flow. Second operand 3 states and 652 transitions. [2022-04-18 16:34:38,047 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 211 transitions, 494 flow [2022-04-18 16:34:38,050 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 211 transitions, 490 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:34:38,056 INFO L242 Difference]: Finished difference. Result has 215 places, 211 transitions, 434 flow [2022-04-18 16:34:38,057 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=430, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=209, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=434, PETRI_PLACES=215, PETRI_TRANSITIONS=211} [2022-04-18 16:34:38,057 INFO L335 CegarLoopForPetriNet]: 267 programPoint places, -52 predicate places. [2022-04-18 16:34:38,058 INFO L478 AbstractCegarLoop]: Abstraction has has 215 places, 211 transitions, 434 flow [2022-04-18 16:34:38,058 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:38,058 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:34:38,058 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:34:38,058 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-18 16:34:38,059 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 105 more)] === [2022-04-18 16:34:38,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:34:38,059 INFO L85 PathProgramCache]: Analyzing trace with hash -164532754, now seen corresponding path program 1 times [2022-04-18 16:34:38,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:34:38,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26619085] [2022-04-18 16:34:38,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:34:38,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:34:38,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:34:38,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:34:38,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:34:38,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26619085] [2022-04-18 16:34:38,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26619085] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:34:38,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:34:38,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:34:38,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196205696] [2022-04-18 16:34:38,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:34:38,133 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:34:38,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:34:38,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:34:38,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:34:38,134 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 284 [2022-04-18 16:34:38,135 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 211 transitions, 434 flow. Second operand has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:38,135 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:34:38,135 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 284 [2022-04-18 16:34:38,136 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:34:38,702 INFO L129 PetriNetUnfolder]: 2442/4248 cut-off events. [2022-04-18 16:34:38,702 INFO L130 PetriNetUnfolder]: For 156/615 co-relation queries the response was YES. [2022-04-18 16:34:38,712 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7976 conditions, 4248 events. 2442/4248 cut-off events. For 156/615 co-relation queries the response was YES. Maximal size of possible extension queue 196. Compared 25045 event pairs, 2439 based on Foata normal form. 0/4123 useless extension candidates. Maximal degree in co-relation 7932. Up to 3535 conditions per place. [2022-04-18 16:34:38,731 INFO L132 encePairwiseOnDemand]: 281/284 looper letters, 28 selfloop transitions, 2 changer transitions 0/210 dead transitions. [2022-04-18 16:34:38,731 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 210 transitions, 492 flow [2022-04-18 16:34:38,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:34:38,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:34:38,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 652 transitions. [2022-04-18 16:34:38,734 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7652582159624414 [2022-04-18 16:34:38,735 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 652 transitions. [2022-04-18 16:34:38,735 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 652 transitions. [2022-04-18 16:34:38,735 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:34:38,735 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 652 transitions. [2022-04-18 16:34:38,737 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 217.33333333333334) internal successors, (652), 3 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:38,739 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:38,739 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:38,740 INFO L186 Difference]: Start difference. First operand has 215 places, 211 transitions, 434 flow. Second operand 3 states and 652 transitions. [2022-04-18 16:34:38,740 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 210 transitions, 492 flow [2022-04-18 16:34:38,741 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 214 places, 210 transitions, 488 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:34:38,744 INFO L242 Difference]: Finished difference. Result has 214 places, 210 transitions, 432 flow [2022-04-18 16:34:38,744 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=428, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=208, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=432, PETRI_PLACES=214, PETRI_TRANSITIONS=210} [2022-04-18 16:34:38,746 INFO L335 CegarLoopForPetriNet]: 267 programPoint places, -53 predicate places. [2022-04-18 16:34:38,747 INFO L478 AbstractCegarLoop]: Abstraction has has 214 places, 210 transitions, 432 flow [2022-04-18 16:34:38,747 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:38,748 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:34:38,748 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:34:38,748 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-18 16:34:38,748 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 105 more)] === [2022-04-18 16:34:38,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:34:38,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1333568690, now seen corresponding path program 1 times [2022-04-18 16:34:38,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:34:38,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353914670] [2022-04-18 16:34:38,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:34:38,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:34:38,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:34:38,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:34:38,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:34:38,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353914670] [2022-04-18 16:34:38,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353914670] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:34:38,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:34:38,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:34:38,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570491298] [2022-04-18 16:34:38,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:34:38,825 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:34:38,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:34:38,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:34:38,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:34:38,831 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 284 [2022-04-18 16:34:38,832 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 210 transitions, 432 flow. Second operand has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:38,832 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:34:38,832 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 284 [2022-04-18 16:34:38,832 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:34:39,314 INFO L129 PetriNetUnfolder]: 2442/4247 cut-off events. [2022-04-18 16:34:39,314 INFO L130 PetriNetUnfolder]: For 156/615 co-relation queries the response was YES. [2022-04-18 16:34:39,327 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7975 conditions, 4247 events. 2442/4247 cut-off events. For 156/615 co-relation queries the response was YES. Maximal size of possible extension queue 196. Compared 24981 event pairs, 2439 based on Foata normal form. 0/4123 useless extension candidates. Maximal degree in co-relation 7924. Up to 3535 conditions per place. [2022-04-18 16:34:39,349 INFO L132 encePairwiseOnDemand]: 281/284 looper letters, 28 selfloop transitions, 2 changer transitions 0/209 dead transitions. [2022-04-18 16:34:39,349 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 209 transitions, 490 flow [2022-04-18 16:34:39,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:34:39,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:34:39,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 652 transitions. [2022-04-18 16:34:39,351 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7652582159624414 [2022-04-18 16:34:39,352 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 652 transitions. [2022-04-18 16:34:39,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 652 transitions. [2022-04-18 16:34:39,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:34:39,352 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 652 transitions. [2022-04-18 16:34:39,354 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 217.33333333333334) internal successors, (652), 3 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:39,356 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:39,356 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:39,356 INFO L186 Difference]: Start difference. First operand has 214 places, 210 transitions, 432 flow. Second operand 3 states and 652 transitions. [2022-04-18 16:34:39,357 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 209 transitions, 490 flow [2022-04-18 16:34:39,358 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 209 transitions, 486 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:34:39,360 INFO L242 Difference]: Finished difference. Result has 213 places, 209 transitions, 430 flow [2022-04-18 16:34:39,361 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=426, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=430, PETRI_PLACES=213, PETRI_TRANSITIONS=209} [2022-04-18 16:34:39,362 INFO L335 CegarLoopForPetriNet]: 267 programPoint places, -54 predicate places. [2022-04-18 16:34:39,362 INFO L478 AbstractCegarLoop]: Abstraction has has 213 places, 209 transitions, 430 flow [2022-04-18 16:34:39,362 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:39,362 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:34:39,363 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:34:39,363 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-18 16:34:39,363 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 105 more)] === [2022-04-18 16:34:39,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:34:39,364 INFO L85 PathProgramCache]: Analyzing trace with hash -2126199649, now seen corresponding path program 1 times [2022-04-18 16:34:39,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:34:39,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961450449] [2022-04-18 16:34:39,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:34:39,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:34:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:34:39,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:34:39,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:34:39,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961450449] [2022-04-18 16:34:39,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961450449] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:34:39,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:34:39,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:34:39,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449386725] [2022-04-18 16:34:39,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:34:39,398 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:34:39,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:34:39,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:34:39,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:34:39,400 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 284 [2022-04-18 16:34:39,400 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 209 transitions, 430 flow. Second operand has 3 states, 3 states have (on average 199.33333333333334) internal successors, (598), 3 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:39,401 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:34:39,401 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 284 [2022-04-18 16:34:39,401 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:34:39,946 INFO L129 PetriNetUnfolder]: 2442/4246 cut-off events. [2022-04-18 16:34:39,946 INFO L130 PetriNetUnfolder]: For 156/615 co-relation queries the response was YES. [2022-04-18 16:34:39,954 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7983 conditions, 4246 events. 2442/4246 cut-off events. For 156/615 co-relation queries the response was YES. Maximal size of possible extension queue 196. Compared 24986 event pairs, 2439 based on Foata normal form. 0/4123 useless extension candidates. Maximal degree in co-relation 7925. Up to 3544 conditions per place. [2022-04-18 16:34:39,979 INFO L132 encePairwiseOnDemand]: 281/284 looper letters, 37 selfloop transitions, 2 changer transitions 0/208 dead transitions. [2022-04-18 16:34:39,980 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 208 transitions, 506 flow [2022-04-18 16:34:39,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:34:39,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:34:39,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 634 transitions. [2022-04-18 16:34:39,982 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.744131455399061 [2022-04-18 16:34:39,982 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 634 transitions. [2022-04-18 16:34:39,983 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 634 transitions. [2022-04-18 16:34:39,983 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:34:39,983 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 634 transitions. [2022-04-18 16:34:39,985 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:39,987 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:39,988 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:39,988 INFO L186 Difference]: Start difference. First operand has 213 places, 209 transitions, 430 flow. Second operand 3 states and 634 transitions. [2022-04-18 16:34:39,988 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 214 places, 208 transitions, 506 flow [2022-04-18 16:34:39,989 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 212 places, 208 transitions, 502 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:34:39,992 INFO L242 Difference]: Finished difference. Result has 212 places, 208 transitions, 428 flow [2022-04-18 16:34:39,992 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=424, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=428, PETRI_PLACES=212, PETRI_TRANSITIONS=208} [2022-04-18 16:34:39,993 INFO L335 CegarLoopForPetriNet]: 267 programPoint places, -55 predicate places. [2022-04-18 16:34:39,993 INFO L478 AbstractCegarLoop]: Abstraction has has 212 places, 208 transitions, 428 flow [2022-04-18 16:34:39,994 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 199.33333333333334) internal successors, (598), 3 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:39,994 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:34:39,994 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:34:39,994 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-18 16:34:39,995 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 105 more)] === [2022-04-18 16:34:39,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:34:39,995 INFO L85 PathProgramCache]: Analyzing trace with hash -438653172, now seen corresponding path program 1 times [2022-04-18 16:34:39,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:34:39,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975248013] [2022-04-18 16:34:39,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:34:39,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:34:40,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:34:40,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:34:40,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:34:40,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975248013] [2022-04-18 16:34:40,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975248013] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:34:40,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:34:40,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:34:40,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889543200] [2022-04-18 16:34:40,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:34:40,055 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:34:40,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:34:40,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:34:40,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:34:40,057 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 284 [2022-04-18 16:34:40,057 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 208 transitions, 428 flow. Second operand has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:40,058 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:34:40,058 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 284 [2022-04-18 16:34:40,059 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:34:40,464 INFO L129 PetriNetUnfolder]: 2442/4245 cut-off events. [2022-04-18 16:34:40,464 INFO L130 PetriNetUnfolder]: For 156/615 co-relation queries the response was YES. [2022-04-18 16:34:40,477 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7976 conditions, 4245 events. 2442/4245 cut-off events. For 156/615 co-relation queries the response was YES. Maximal size of possible extension queue 196. Compared 25041 event pairs, 2439 based on Foata normal form. 0/4123 useless extension candidates. Maximal degree in co-relation 7911. Up to 3538 conditions per place. [2022-04-18 16:34:40,497 INFO L132 encePairwiseOnDemand]: 281/284 looper letters, 31 selfloop transitions, 2 changer transitions 0/207 dead transitions. [2022-04-18 16:34:40,498 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 207 transitions, 492 flow [2022-04-18 16:34:40,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:34:40,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:34:40,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 646 transitions. [2022-04-18 16:34:40,500 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7582159624413145 [2022-04-18 16:34:40,500 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 646 transitions. [2022-04-18 16:34:40,500 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 646 transitions. [2022-04-18 16:34:40,500 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:34:40,500 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 646 transitions. [2022-04-18 16:34:40,502 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 215.33333333333334) internal successors, (646), 3 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:40,503 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:40,504 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:40,504 INFO L186 Difference]: Start difference. First operand has 212 places, 208 transitions, 428 flow. Second operand 3 states and 646 transitions. [2022-04-18 16:34:40,504 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 207 transitions, 492 flow [2022-04-18 16:34:40,505 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 211 places, 207 transitions, 488 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:34:40,507 INFO L242 Difference]: Finished difference. Result has 211 places, 207 transitions, 426 flow [2022-04-18 16:34:40,507 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=422, PETRI_DIFFERENCE_MINUEND_PLACES=209, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=426, PETRI_PLACES=211, PETRI_TRANSITIONS=207} [2022-04-18 16:34:40,508 INFO L335 CegarLoopForPetriNet]: 267 programPoint places, -56 predicate places. [2022-04-18 16:34:40,508 INFO L478 AbstractCegarLoop]: Abstraction has has 211 places, 207 transitions, 426 flow [2022-04-18 16:34:40,509 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:40,509 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:34:40,509 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:34:40,509 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-18 16:34:40,509 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 105 more)] === [2022-04-18 16:34:40,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:34:40,510 INFO L85 PathProgramCache]: Analyzing trace with hash 41560757, now seen corresponding path program 1 times [2022-04-18 16:34:40,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:34:40,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215047135] [2022-04-18 16:34:40,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:34:40,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:34:40,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:34:40,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:34:40,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:34:40,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215047135] [2022-04-18 16:34:40,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215047135] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:34:40,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:34:40,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:34:40,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281342536] [2022-04-18 16:34:40,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:34:40,562 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:34:40,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:34:40,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:34:40,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:34:40,563 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 284 [2022-04-18 16:34:40,564 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 207 transitions, 426 flow. Second operand has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:40,564 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:34:40,564 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 284 [2022-04-18 16:34:40,564 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:34:40,935 INFO L129 PetriNetUnfolder]: 2442/4244 cut-off events. [2022-04-18 16:34:40,935 INFO L130 PetriNetUnfolder]: For 156/615 co-relation queries the response was YES. [2022-04-18 16:34:40,946 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7975 conditions, 4244 events. 2442/4244 cut-off events. For 156/615 co-relation queries the response was YES. Maximal size of possible extension queue 196. Compared 24977 event pairs, 2439 based on Foata normal form. 0/4123 useless extension candidates. Maximal degree in co-relation 7903. Up to 3538 conditions per place. [2022-04-18 16:34:40,962 INFO L132 encePairwiseOnDemand]: 281/284 looper letters, 31 selfloop transitions, 2 changer transitions 0/206 dead transitions. [2022-04-18 16:34:40,963 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 206 transitions, 490 flow [2022-04-18 16:34:40,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:34:40,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:34:40,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 646 transitions. [2022-04-18 16:34:40,964 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7582159624413145 [2022-04-18 16:34:40,964 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 646 transitions. [2022-04-18 16:34:40,964 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 646 transitions. [2022-04-18 16:34:40,965 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:34:40,965 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 646 transitions. [2022-04-18 16:34:40,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 215.33333333333334) internal successors, (646), 3 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:40,967 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:40,967 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:40,967 INFO L186 Difference]: Start difference. First operand has 211 places, 207 transitions, 426 flow. Second operand 3 states and 646 transitions. [2022-04-18 16:34:40,967 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 206 transitions, 490 flow [2022-04-18 16:34:40,968 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 206 transitions, 486 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:34:40,970 INFO L242 Difference]: Finished difference. Result has 210 places, 206 transitions, 424 flow [2022-04-18 16:34:40,970 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=420, PETRI_DIFFERENCE_MINUEND_PLACES=208, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=206, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=204, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=424, PETRI_PLACES=210, PETRI_TRANSITIONS=206} [2022-04-18 16:34:40,971 INFO L335 CegarLoopForPetriNet]: 267 programPoint places, -57 predicate places. [2022-04-18 16:34:40,971 INFO L478 AbstractCegarLoop]: Abstraction has has 210 places, 206 transitions, 424 flow [2022-04-18 16:34:40,971 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:40,971 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:34:40,971 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:34:40,971 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-04-18 16:34:40,972 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 105 more)] === [2022-04-18 16:34:40,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:34:40,972 INFO L85 PathProgramCache]: Analyzing trace with hash 205530130, now seen corresponding path program 1 times [2022-04-18 16:34:40,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:34:40,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540711733] [2022-04-18 16:34:40,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:34:40,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:34:40,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:34:41,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:34:41,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:34:41,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540711733] [2022-04-18 16:34:41,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540711733] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:34:41,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:34:41,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:34:41,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129606952] [2022-04-18 16:34:41,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:34:41,012 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:34:41,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:34:41,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:34:41,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:34:41,013 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 284 [2022-04-18 16:34:41,014 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 206 transitions, 424 flow. Second operand has 3 states, 3 states have (on average 202.33333333333334) internal successors, (607), 3 states have internal predecessors, (607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:41,016 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:34:41,016 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 284 [2022-04-18 16:34:41,016 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:34:41,473 INFO L129 PetriNetUnfolder]: 2442/4243 cut-off events. [2022-04-18 16:34:41,474 INFO L130 PetriNetUnfolder]: For 156/615 co-relation queries the response was YES. [2022-04-18 16:34:41,479 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7976 conditions, 4243 events. 2442/4243 cut-off events. For 156/615 co-relation queries the response was YES. Maximal size of possible extension queue 196. Compared 25019 event pairs, 2439 based on Foata normal form. 0/4123 useless extension candidates. Maximal degree in co-relation 7897. Up to 3540 conditions per place. [2022-04-18 16:34:41,492 INFO L132 encePairwiseOnDemand]: 281/284 looper letters, 33 selfloop transitions, 2 changer transitions 0/205 dead transitions. [2022-04-18 16:34:41,492 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 205 transitions, 492 flow [2022-04-18 16:34:41,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:34:41,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:34:41,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 639 transitions. [2022-04-18 16:34:41,494 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.75 [2022-04-18 16:34:41,494 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 639 transitions. [2022-04-18 16:34:41,494 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 639 transitions. [2022-04-18 16:34:41,494 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:34:41,494 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 639 transitions. [2022-04-18 16:34:41,496 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 213.0) internal successors, (639), 3 states have internal predecessors, (639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:41,497 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:41,497 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:41,497 INFO L186 Difference]: Start difference. First operand has 210 places, 206 transitions, 424 flow. Second operand 3 states and 639 transitions. [2022-04-18 16:34:41,497 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 205 transitions, 492 flow [2022-04-18 16:34:41,498 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 205 transitions, 488 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:34:41,500 INFO L242 Difference]: Finished difference. Result has 209 places, 205 transitions, 422 flow [2022-04-18 16:34:41,500 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=205, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=422, PETRI_PLACES=209, PETRI_TRANSITIONS=205} [2022-04-18 16:34:41,503 INFO L335 CegarLoopForPetriNet]: 267 programPoint places, -58 predicate places. [2022-04-18 16:34:41,503 INFO L478 AbstractCegarLoop]: Abstraction has has 209 places, 205 transitions, 422 flow [2022-04-18 16:34:41,505 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 202.33333333333334) internal successors, (607), 3 states have internal predecessors, (607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:41,505 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:34:41,505 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:34:41,505 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-04-18 16:34:41,505 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 105 more)] === [2022-04-18 16:34:41,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:34:41,506 INFO L85 PathProgramCache]: Analyzing trace with hash -366239060, now seen corresponding path program 1 times [2022-04-18 16:34:41,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:34:41,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214737397] [2022-04-18 16:34:41,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:34:41,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:34:41,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:34:41,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:34:41,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:34:41,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214737397] [2022-04-18 16:34:41,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214737397] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:34:41,563 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:34:41,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:34:41,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670744420] [2022-04-18 16:34:41,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:34:41,564 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:34:41,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:34:41,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:34:41,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:34:41,565 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 284 [2022-04-18 16:34:41,565 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 205 transitions, 422 flow. Second operand has 3 states, 3 states have (on average 202.33333333333334) internal successors, (607), 3 states have internal predecessors, (607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:41,565 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:34:41,565 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 284 [2022-04-18 16:34:41,565 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:34:42,090 INFO L129 PetriNetUnfolder]: 3446/7553 cut-off events. [2022-04-18 16:34:42,091 INFO L130 PetriNetUnfolder]: For 272/2206 co-relation queries the response was YES. [2022-04-18 16:34:42,111 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12881 conditions, 7553 events. 3446/7553 cut-off events. For 272/2206 co-relation queries the response was YES. Maximal size of possible extension queue 364. Compared 60356 event pairs, 1640 based on Foata normal form. 5/7269 useless extension candidates. Maximal degree in co-relation 12795. Up to 2848 conditions per place. [2022-04-18 16:34:42,141 INFO L132 encePairwiseOnDemand]: 272/284 looper letters, 47 selfloop transitions, 9 changer transitions 0/225 dead transitions. [2022-04-18 16:34:42,141 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 225 transitions, 580 flow [2022-04-18 16:34:42,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:34:42,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:34:42,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 662 transitions. [2022-04-18 16:34:42,143 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7769953051643192 [2022-04-18 16:34:42,144 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 662 transitions. [2022-04-18 16:34:42,144 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 662 transitions. [2022-04-18 16:34:42,144 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:34:42,144 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 662 transitions. [2022-04-18 16:34:42,145 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 220.66666666666666) internal successors, (662), 3 states have internal predecessors, (662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:42,146 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:42,147 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:42,147 INFO L186 Difference]: Start difference. First operand has 209 places, 205 transitions, 422 flow. Second operand 3 states and 662 transitions. [2022-04-18 16:34:42,147 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 225 transitions, 580 flow [2022-04-18 16:34:42,151 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 225 transitions, 576 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:34:42,155 INFO L242 Difference]: Finished difference. Result has 208 places, 210 transitions, 480 flow [2022-04-18 16:34:42,155 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=412, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=202, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=193, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=480, PETRI_PLACES=208, PETRI_TRANSITIONS=210} [2022-04-18 16:34:42,156 INFO L335 CegarLoopForPetriNet]: 267 programPoint places, -59 predicate places. [2022-04-18 16:34:42,156 INFO L478 AbstractCegarLoop]: Abstraction has has 208 places, 210 transitions, 480 flow [2022-04-18 16:34:42,157 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 202.33333333333334) internal successors, (607), 3 states have internal predecessors, (607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:42,157 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:34:42,157 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:34:42,157 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-04-18 16:34:42,157 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 105 more)] === [2022-04-18 16:34:42,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:34:42,158 INFO L85 PathProgramCache]: Analyzing trace with hash 231612809, now seen corresponding path program 1 times [2022-04-18 16:34:42,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:34:42,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165800720] [2022-04-18 16:34:42,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:34:42,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:34:42,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:34:42,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:34:42,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:34:42,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165800720] [2022-04-18 16:34:42,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165800720] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:34:42,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:34:42,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:34:42,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319488383] [2022-04-18 16:34:42,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:34:42,195 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:34:42,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:34:42,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:34:42,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:34:42,198 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 284 [2022-04-18 16:34:42,198 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 210 transitions, 480 flow. Second operand has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:42,199 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:34:42,199 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 284 [2022-04-18 16:34:42,199 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:34:42,784 INFO L129 PetriNetUnfolder]: 3446/6246 cut-off events. [2022-04-18 16:34:42,784 INFO L130 PetriNetUnfolder]: For 2353/2851 co-relation queries the response was YES. [2022-04-18 16:34:42,803 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14882 conditions, 6246 events. 3446/6246 cut-off events. For 2353/2851 co-relation queries the response was YES. Maximal size of possible extension queue 332. Compared 42297 event pairs, 2186 based on Foata normal form. 1/6069 useless extension candidates. Maximal degree in co-relation 9854. Up to 5071 conditions per place. [2022-04-18 16:34:42,833 INFO L132 encePairwiseOnDemand]: 278/284 looper letters, 39 selfloop transitions, 5 changer transitions 0/216 dead transitions. [2022-04-18 16:34:42,833 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 216 transitions, 583 flow [2022-04-18 16:34:42,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:34:42,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:34:42,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 658 transitions. [2022-04-18 16:34:42,835 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7723004694835681 [2022-04-18 16:34:42,835 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 658 transitions. [2022-04-18 16:34:42,836 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 658 transitions. [2022-04-18 16:34:42,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:34:42,836 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 658 transitions. [2022-04-18 16:34:42,837 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 219.33333333333334) internal successors, (658), 3 states have internal predecessors, (658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:42,838 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:42,839 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:42,839 INFO L186 Difference]: Start difference. First operand has 208 places, 210 transitions, 480 flow. Second operand 3 states and 658 transitions. [2022-04-18 16:34:42,839 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 216 transitions, 583 flow [2022-04-18 16:34:42,858 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 216 transitions, 565 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:34:42,860 INFO L242 Difference]: Finished difference. Result has 208 places, 213 transitions, 491 flow [2022-04-18 16:34:42,860 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=460, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=204, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=491, PETRI_PLACES=208, PETRI_TRANSITIONS=213} [2022-04-18 16:34:42,861 INFO L335 CegarLoopForPetriNet]: 267 programPoint places, -59 predicate places. [2022-04-18 16:34:42,861 INFO L478 AbstractCegarLoop]: Abstraction has has 208 places, 213 transitions, 491 flow [2022-04-18 16:34:42,862 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:42,862 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:34:42,862 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:34:42,862 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-04-18 16:34:42,862 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 105 more)] === [2022-04-18 16:34:42,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:34:42,863 INFO L85 PathProgramCache]: Analyzing trace with hash -515389240, now seen corresponding path program 1 times [2022-04-18 16:34:42,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:34:42,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421276323] [2022-04-18 16:34:42,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:34:42,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:34:42,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:34:42,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:34:42,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:34:42,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421276323] [2022-04-18 16:34:42,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421276323] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:34:42,886 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:34:42,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:34:42,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728147703] [2022-04-18 16:34:42,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:34:42,887 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:34:42,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:34:42,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:34:42,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:34:42,889 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 284 [2022-04-18 16:34:42,889 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 213 transitions, 491 flow. Second operand has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:42,889 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:34:42,889 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 284 [2022-04-18 16:34:42,889 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:34:43,637 INFO L129 PetriNetUnfolder]: 4871/8649 cut-off events. [2022-04-18 16:34:43,637 INFO L130 PetriNetUnfolder]: For 2480/2978 co-relation queries the response was YES. [2022-04-18 16:34:43,662 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20717 conditions, 8649 events. 4871/8649 cut-off events. For 2480/2978 co-relation queries the response was YES. Maximal size of possible extension queue 448. Compared 61118 event pairs, 3163 based on Foata normal form. 0/8406 useless extension candidates. Maximal degree in co-relation 10763. Up to 5302 conditions per place. [2022-04-18 16:34:43,699 INFO L132 encePairwiseOnDemand]: 281/284 looper letters, 69 selfloop transitions, 2 changer transitions 0/242 dead transitions. [2022-04-18 16:34:43,700 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 242 transitions, 743 flow [2022-04-18 16:34:43,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:34:43,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:34:43,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 670 transitions. [2022-04-18 16:34:43,702 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7863849765258216 [2022-04-18 16:34:43,702 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 670 transitions. [2022-04-18 16:34:43,702 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 670 transitions. [2022-04-18 16:34:43,703 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:34:43,703 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 670 transitions. [2022-04-18 16:34:43,704 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 223.33333333333334) internal successors, (670), 3 states have internal predecessors, (670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:43,705 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:43,705 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:43,706 INFO L186 Difference]: Start difference. First operand has 208 places, 213 transitions, 491 flow. Second operand 3 states and 670 transitions. [2022-04-18 16:34:43,706 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 242 transitions, 743 flow [2022-04-18 16:34:43,707 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 242 transitions, 734 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:34:43,709 INFO L242 Difference]: Finished difference. Result has 209 places, 213 transitions, 494 flow [2022-04-18 16:34:43,710 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=484, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=494, PETRI_PLACES=209, PETRI_TRANSITIONS=213} [2022-04-18 16:34:43,710 INFO L335 CegarLoopForPetriNet]: 267 programPoint places, -58 predicate places. [2022-04-18 16:34:43,710 INFO L478 AbstractCegarLoop]: Abstraction has has 209 places, 213 transitions, 494 flow [2022-04-18 16:34:43,711 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:43,711 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:34:43,711 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:34:43,711 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-04-18 16:34:43,711 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 105 more)] === [2022-04-18 16:34:43,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:34:43,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1268404796, now seen corresponding path program 1 times [2022-04-18 16:34:43,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:34:43,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288201475] [2022-04-18 16:34:43,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:34:43,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:34:43,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:34:43,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:34:43,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:34:43,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288201475] [2022-04-18 16:34:43,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288201475] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:34:43,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:34:43,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:34:43,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036594474] [2022-04-18 16:34:43,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:34:43,733 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:34:43,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:34:43,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:34:43,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:34:43,734 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 284 [2022-04-18 16:34:43,735 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 213 transitions, 494 flow. Second operand has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:43,735 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:34:43,735 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 284 [2022-04-18 16:34:43,736 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:34:44,558 INFO L129 PetriNetUnfolder]: 6053/10489 cut-off events. [2022-04-18 16:34:44,559 INFO L130 PetriNetUnfolder]: For 3395/4032 co-relation queries the response was YES. [2022-04-18 16:34:44,593 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26013 conditions, 10489 events. 6053/10489 cut-off events. For 3395/4032 co-relation queries the response was YES. Maximal size of possible extension queue 511. Compared 73735 event pairs, 3785 based on Foata normal form. 1/10124 useless extension candidates. Maximal degree in co-relation 18234. Up to 7524 conditions per place. [2022-04-18 16:34:44,643 INFO L132 encePairwiseOnDemand]: 277/284 looper letters, 64 selfloop transitions, 4 changer transitions 3/238 dead transitions. [2022-04-18 16:34:44,644 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 238 transitions, 726 flow [2022-04-18 16:34:44,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:34:44,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:34:44,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 663 transitions. [2022-04-18 16:34:44,645 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.778169014084507 [2022-04-18 16:34:44,645 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 663 transitions. [2022-04-18 16:34:44,646 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 663 transitions. [2022-04-18 16:34:44,646 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:34:44,646 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 663 transitions. [2022-04-18 16:34:44,647 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 221.0) internal successors, (663), 3 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:44,648 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:44,649 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:44,649 INFO L186 Difference]: Start difference. First operand has 209 places, 213 transitions, 494 flow. Second operand 3 states and 663 transitions. [2022-04-18 16:34:44,649 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 238 transitions, 726 flow [2022-04-18 16:34:44,651 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 238 transitions, 723 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:34:44,653 INFO L242 Difference]: Finished difference. Result has 209 places, 211 transitions, 505 flow [2022-04-18 16:34:44,654 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=488, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=505, PETRI_PLACES=209, PETRI_TRANSITIONS=211} [2022-04-18 16:34:44,654 INFO L335 CegarLoopForPetriNet]: 267 programPoint places, -58 predicate places. [2022-04-18 16:34:44,654 INFO L478 AbstractCegarLoop]: Abstraction has has 209 places, 211 transitions, 505 flow [2022-04-18 16:34:44,655 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:44,655 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:34:44,655 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:34:44,655 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-04-18 16:34:44,655 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 105 more)] === [2022-04-18 16:34:44,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:34:44,656 INFO L85 PathProgramCache]: Analyzing trace with hash 228408117, now seen corresponding path program 1 times [2022-04-18 16:34:44,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:34:44,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682606862] [2022-04-18 16:34:44,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:34:44,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:34:44,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:34:44,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:34:44,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:34:44,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682606862] [2022-04-18 16:34:44,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682606862] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:34:44,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:34:44,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:34:44,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481555440] [2022-04-18 16:34:44,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:34:44,767 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:34:44,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:34:44,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:34:44,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:34:44,769 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 284 [2022-04-18 16:34:44,770 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 211 transitions, 505 flow. Second operand has 6 states, 6 states have (on average 185.16666666666666) internal successors, (1111), 6 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:44,770 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:34:44,770 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 284 [2022-04-18 16:34:44,770 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:34:50,700 INFO L129 PetriNetUnfolder]: 47225/65914 cut-off events. [2022-04-18 16:34:50,700 INFO L130 PetriNetUnfolder]: For 41300/41300 co-relation queries the response was YES. [2022-04-18 16:34:50,821 INFO L84 FinitePrefix]: Finished finitePrefix Result has 179518 conditions, 65914 events. 47225/65914 cut-off events. For 41300/41300 co-relation queries the response was YES. Maximal size of possible extension queue 1874. Compared 403273 event pairs, 7597 based on Foata normal form. 0/65316 useless extension candidates. Maximal degree in co-relation 148128. Up to 23527 conditions per place. [2022-04-18 16:34:51,057 INFO L132 encePairwiseOnDemand]: 279/284 looper letters, 194 selfloop transitions, 4 changer transitions 1/342 dead transitions. [2022-04-18 16:34:51,057 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 342 transitions, 1433 flow [2022-04-18 16:34:51,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:34:51,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 16:34:51,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1218 transitions. [2022-04-18 16:34:51,060 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7147887323943662 [2022-04-18 16:34:51,060 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1218 transitions. [2022-04-18 16:34:51,060 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1218 transitions. [2022-04-18 16:34:51,061 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:34:51,061 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1218 transitions. [2022-04-18 16:34:51,062 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 203.0) internal successors, (1218), 6 states have internal predecessors, (1218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:51,065 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 284.0) internal successors, (1988), 7 states have internal predecessors, (1988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:51,065 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 284.0) internal successors, (1988), 7 states have internal predecessors, (1988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:51,065 INFO L186 Difference]: Start difference. First operand has 209 places, 211 transitions, 505 flow. Second operand 6 states and 1218 transitions. [2022-04-18 16:34:51,065 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 342 transitions, 1433 flow [2022-04-18 16:34:51,071 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 342 transitions, 1417 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:34:51,074 INFO L242 Difference]: Finished difference. Result has 209 places, 209 transitions, 505 flow [2022-04-18 16:34:51,074 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=499, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=505, PETRI_PLACES=209, PETRI_TRANSITIONS=209} [2022-04-18 16:34:51,075 INFO L335 CegarLoopForPetriNet]: 267 programPoint places, -58 predicate places. [2022-04-18 16:34:51,075 INFO L478 AbstractCegarLoop]: Abstraction has has 209 places, 209 transitions, 505 flow [2022-04-18 16:34:51,075 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 185.16666666666666) internal successors, (1111), 6 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:51,075 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:34:51,075 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:34:51,076 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-04-18 16:34:51,076 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 105 more)] === [2022-04-18 16:34:51,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:34:51,076 INFO L85 PathProgramCache]: Analyzing trace with hash -829726871, now seen corresponding path program 1 times [2022-04-18 16:34:51,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:34:51,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967461401] [2022-04-18 16:34:51,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:34:51,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:34:51,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:34:51,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:34:51,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:34:51,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967461401] [2022-04-18 16:34:51,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967461401] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:34:51,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:34:51,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:34:51,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298639753] [2022-04-18 16:34:51,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:34:51,146 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:34:51,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:34:51,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:34:51,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:34:51,147 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 284 [2022-04-18 16:34:51,148 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 209 transitions, 505 flow. Second operand has 6 states, 6 states have (on average 187.0) internal successors, (1122), 6 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:51,148 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:34:51,148 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 284 [2022-04-18 16:34:51,148 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:34:56,417 INFO L129 PetriNetUnfolder]: 41131/58449 cut-off events. [2022-04-18 16:34:56,418 INFO L130 PetriNetUnfolder]: For 38978/38978 co-relation queries the response was YES. [2022-04-18 16:34:56,575 INFO L84 FinitePrefix]: Finished finitePrefix Result has 163436 conditions, 58449 events. 41131/58449 cut-off events. For 38978/38978 co-relation queries the response was YES. Maximal size of possible extension queue 1852. Compared 368332 event pairs, 25981 based on Foata normal form. 0/57772 useless extension candidates. Maximal degree in co-relation 55372. Up to 49614 conditions per place. [2022-04-18 16:34:56,890 INFO L132 encePairwiseOnDemand]: 279/284 looper letters, 145 selfloop transitions, 4 changer transitions 0/292 dead transitions. [2022-04-18 16:34:56,891 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 292 transitions, 1137 flow [2022-04-18 16:34:56,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:34:56,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 16:34:56,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1196 transitions. [2022-04-18 16:34:56,893 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7018779342723005 [2022-04-18 16:34:56,893 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1196 transitions. [2022-04-18 16:34:56,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1196 transitions. [2022-04-18 16:34:56,894 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:34:56,894 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1196 transitions. [2022-04-18 16:34:56,896 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 199.33333333333334) internal successors, (1196), 6 states have internal predecessors, (1196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:56,898 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 284.0) internal successors, (1988), 7 states have internal predecessors, (1988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:56,898 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 284.0) internal successors, (1988), 7 states have internal predecessors, (1988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:56,898 INFO L186 Difference]: Start difference. First operand has 209 places, 209 transitions, 505 flow. Second operand 6 states and 1196 transitions. [2022-04-18 16:34:56,898 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 292 transitions, 1137 flow [2022-04-18 16:34:56,920 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 292 transitions, 1130 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-04-18 16:34:56,923 INFO L242 Difference]: Finished difference. Result has 208 places, 208 transitions, 504 flow [2022-04-18 16:34:56,923 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=496, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=204, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=504, PETRI_PLACES=208, PETRI_TRANSITIONS=208} [2022-04-18 16:34:56,924 INFO L335 CegarLoopForPetriNet]: 267 programPoint places, -59 predicate places. [2022-04-18 16:34:56,924 INFO L478 AbstractCegarLoop]: Abstraction has has 208 places, 208 transitions, 504 flow [2022-04-18 16:34:56,924 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 187.0) internal successors, (1122), 6 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:56,924 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:34:56,924 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:34:56,925 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-04-18 16:34:56,925 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 105 more)] === [2022-04-18 16:34:56,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:34:56,925 INFO L85 PathProgramCache]: Analyzing trace with hash 2013815944, now seen corresponding path program 1 times [2022-04-18 16:34:56,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:34:56,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768848186] [2022-04-18 16:34:56,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:34:56,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:34:56,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:34:57,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:34:57,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:34:57,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768848186] [2022-04-18 16:34:57,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768848186] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:34:57,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:34:57,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:34:57,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483472785] [2022-04-18 16:34:57,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:34:57,021 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:34:57,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:34:57,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:34:57,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:34:57,022 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 284 [2022-04-18 16:34:57,023 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 208 transitions, 504 flow. Second operand has 6 states, 6 states have (on average 188.66666666666666) internal successors, (1132), 6 states have internal predecessors, (1132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:57,023 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:34:57,023 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 284 [2022-04-18 16:34:57,024 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:01,929 INFO L129 PetriNetUnfolder]: 40565/58255 cut-off events. [2022-04-18 16:35:01,929 INFO L130 PetriNetUnfolder]: For 34418/34418 co-relation queries the response was YES. [2022-04-18 16:35:02,068 INFO L84 FinitePrefix]: Finished finitePrefix Result has 157280 conditions, 58255 events. 40565/58255 cut-off events. For 34418/34418 co-relation queries the response was YES. Maximal size of possible extension queue 1844. Compared 372266 event pairs, 28099 based on Foata normal form. 0/57320 useless extension candidates. Maximal degree in co-relation 140998. Up to 53823 conditions per place. [2022-04-18 16:35:02,296 INFO L132 encePairwiseOnDemand]: 279/284 looper letters, 108 selfloop transitions, 4 changer transitions 0/255 dead transitions. [2022-04-18 16:35:02,296 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 255 transitions, 918 flow [2022-04-18 16:35:02,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:35:02,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 16:35:02,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1179 transitions. [2022-04-18 16:35:02,298 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.6919014084507042 [2022-04-18 16:35:02,299 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1179 transitions. [2022-04-18 16:35:02,299 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1179 transitions. [2022-04-18 16:35:02,299 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:02,299 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1179 transitions. [2022-04-18 16:35:02,301 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 196.5) internal successors, (1179), 6 states have internal predecessors, (1179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:02,303 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 284.0) internal successors, (1988), 7 states have internal predecessors, (1988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:02,311 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 284.0) internal successors, (1988), 7 states have internal predecessors, (1988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:02,311 INFO L186 Difference]: Start difference. First operand has 208 places, 208 transitions, 504 flow. Second operand 6 states and 1179 transitions. [2022-04-18 16:35:02,311 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 255 transitions, 918 flow [2022-04-18 16:35:02,332 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 255 transitions, 911 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-04-18 16:35:02,334 INFO L242 Difference]: Finished difference. Result has 208 places, 207 transitions, 503 flow [2022-04-18 16:35:02,335 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=495, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=503, PETRI_PLACES=208, PETRI_TRANSITIONS=207} [2022-04-18 16:35:02,336 INFO L335 CegarLoopForPetriNet]: 267 programPoint places, -59 predicate places. [2022-04-18 16:35:02,336 INFO L478 AbstractCegarLoop]: Abstraction has has 208 places, 207 transitions, 503 flow [2022-04-18 16:35:02,337 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 188.66666666666666) internal successors, (1132), 6 states have internal predecessors, (1132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:02,337 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:02,337 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:02,337 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-04-18 16:35:02,337 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 105 more)] === [2022-04-18 16:35:02,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:02,338 INFO L85 PathProgramCache]: Analyzing trace with hash -818556307, now seen corresponding path program 1 times [2022-04-18 16:35:02,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:02,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864176255] [2022-04-18 16:35:02,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:02,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:02,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:02,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:02,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:02,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864176255] [2022-04-18 16:35:02,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864176255] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:02,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:02,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:35:02,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083935989] [2022-04-18 16:35:02,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:02,441 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:35:02,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:02,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:35:02,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:35:02,443 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 284 [2022-04-18 16:35:02,443 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 207 transitions, 503 flow. Second operand has 6 states, 6 states have (on average 190.33333333333334) internal successors, (1142), 6 states have internal predecessors, (1142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:02,444 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:02,444 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 284 [2022-04-18 16:35:02,444 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:07,644 INFO L129 PetriNetUnfolder]: 41295/59726 cut-off events. [2022-04-18 16:35:07,644 INFO L130 PetriNetUnfolder]: For 35072/35072 co-relation queries the response was YES. [2022-04-18 16:35:07,826 INFO L84 FinitePrefix]: Finished finitePrefix Result has 159793 conditions, 59726 events. 41295/59726 cut-off events. For 35072/35072 co-relation queries the response was YES. Maximal size of possible extension queue 1773. Compared 387906 event pairs, 28897 based on Foata normal form. 7/58789 useless extension candidates. Maximal degree in co-relation 157993. Up to 55383 conditions per place. [2022-04-18 16:35:07,869 INFO L132 encePairwiseOnDemand]: 279/284 looper letters, 0 selfloop transitions, 0 changer transitions 226/226 dead transitions. [2022-04-18 16:35:07,869 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 226 transitions, 747 flow [2022-04-18 16:35:07,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:35:07,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 16:35:07,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1162 transitions. [2022-04-18 16:35:07,872 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.681924882629108 [2022-04-18 16:35:07,872 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1162 transitions. [2022-04-18 16:35:07,872 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1162 transitions. [2022-04-18 16:35:07,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:07,873 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1162 transitions. [2022-04-18 16:35:07,874 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 193.66666666666666) internal successors, (1162), 6 states have internal predecessors, (1162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:07,876 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 284.0) internal successors, (1988), 7 states have internal predecessors, (1988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:07,876 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 284.0) internal successors, (1988), 7 states have internal predecessors, (1988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:07,877 INFO L186 Difference]: Start difference. First operand has 208 places, 207 transitions, 503 flow. Second operand 6 states and 1162 transitions. [2022-04-18 16:35:07,877 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 226 transitions, 747 flow [2022-04-18 16:35:07,888 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 226 transitions, 740 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-04-18 16:35:07,889 INFO L242 Difference]: Finished difference. Result has 208 places, 0 transitions, 0 flow [2022-04-18 16:35:07,889 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=494, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=206, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=208, PETRI_TRANSITIONS=0} [2022-04-18 16:35:07,890 INFO L335 CegarLoopForPetriNet]: 267 programPoint places, -59 predicate places. [2022-04-18 16:35:07,890 INFO L478 AbstractCegarLoop]: Abstraction has has 208 places, 0 transitions, 0 flow [2022-04-18 16:35:07,895 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 190.33333333333334) internal successors, (1142), 6 states have internal predecessors, (1142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:07,897 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (108 of 109 remaining) [2022-04-18 16:35:07,897 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (107 of 109 remaining) [2022-04-18 16:35:07,897 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (106 of 109 remaining) [2022-04-18 16:35:07,898 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (105 of 109 remaining) [2022-04-18 16:35:07,898 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (104 of 109 remaining) [2022-04-18 16:35:07,898 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (103 of 109 remaining) [2022-04-18 16:35:07,898 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (102 of 109 remaining) [2022-04-18 16:35:07,898 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (101 of 109 remaining) [2022-04-18 16:35:07,898 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (100 of 109 remaining) [2022-04-18 16:35:07,898 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (99 of 109 remaining) [2022-04-18 16:35:07,899 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (98 of 109 remaining) [2022-04-18 16:35:07,899 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (97 of 109 remaining) [2022-04-18 16:35:07,899 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (96 of 109 remaining) [2022-04-18 16:35:07,899 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (95 of 109 remaining) [2022-04-18 16:35:07,899 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (94 of 109 remaining) [2022-04-18 16:35:07,899 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (93 of 109 remaining) [2022-04-18 16:35:07,899 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (92 of 109 remaining) [2022-04-18 16:35:07,899 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (91 of 109 remaining) [2022-04-18 16:35:07,900 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (90 of 109 remaining) [2022-04-18 16:35:07,900 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (89 of 109 remaining) [2022-04-18 16:35:07,900 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (88 of 109 remaining) [2022-04-18 16:35:07,900 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (87 of 109 remaining) [2022-04-18 16:35:07,900 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (86 of 109 remaining) [2022-04-18 16:35:07,900 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (85 of 109 remaining) [2022-04-18 16:35:07,900 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (84 of 109 remaining) [2022-04-18 16:35:07,900 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (83 of 109 remaining) [2022-04-18 16:35:07,901 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (82 of 109 remaining) [2022-04-18 16:35:07,901 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (81 of 109 remaining) [2022-04-18 16:35:07,901 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (80 of 109 remaining) [2022-04-18 16:35:07,901 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (79 of 109 remaining) [2022-04-18 16:35:07,901 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (78 of 109 remaining) [2022-04-18 16:35:07,901 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (77 of 109 remaining) [2022-04-18 16:35:07,901 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (76 of 109 remaining) [2022-04-18 16:35:07,901 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (75 of 109 remaining) [2022-04-18 16:35:07,902 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (74 of 109 remaining) [2022-04-18 16:35:07,902 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (73 of 109 remaining) [2022-04-18 16:35:07,902 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (72 of 109 remaining) [2022-04-18 16:35:07,902 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (71 of 109 remaining) [2022-04-18 16:35:07,902 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (70 of 109 remaining) [2022-04-18 16:35:07,902 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (69 of 109 remaining) [2022-04-18 16:35:07,902 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (68 of 109 remaining) [2022-04-18 16:35:07,902 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (67 of 109 remaining) [2022-04-18 16:35:07,903 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (66 of 109 remaining) [2022-04-18 16:35:07,903 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (65 of 109 remaining) [2022-04-18 16:35:07,903 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (64 of 109 remaining) [2022-04-18 16:35:07,903 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (63 of 109 remaining) [2022-04-18 16:35:07,903 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (62 of 109 remaining) [2022-04-18 16:35:07,903 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (61 of 109 remaining) [2022-04-18 16:35:07,903 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (60 of 109 remaining) [2022-04-18 16:35:07,903 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (59 of 109 remaining) [2022-04-18 16:35:07,904 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (58 of 109 remaining) [2022-04-18 16:35:07,904 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (57 of 109 remaining) [2022-04-18 16:35:07,904 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (56 of 109 remaining) [2022-04-18 16:35:07,904 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (55 of 109 remaining) [2022-04-18 16:35:07,904 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (54 of 109 remaining) [2022-04-18 16:35:07,904 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (53 of 109 remaining) [2022-04-18 16:35:07,904 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (52 of 109 remaining) [2022-04-18 16:35:07,904 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (51 of 109 remaining) [2022-04-18 16:35:07,905 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (50 of 109 remaining) [2022-04-18 16:35:07,905 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (49 of 109 remaining) [2022-04-18 16:35:07,905 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (48 of 109 remaining) [2022-04-18 16:35:07,905 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (47 of 109 remaining) [2022-04-18 16:35:07,905 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (46 of 109 remaining) [2022-04-18 16:35:07,905 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (45 of 109 remaining) [2022-04-18 16:35:07,905 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (44 of 109 remaining) [2022-04-18 16:35:07,905 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (43 of 109 remaining) [2022-04-18 16:35:07,906 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (42 of 109 remaining) [2022-04-18 16:35:07,906 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (41 of 109 remaining) [2022-04-18 16:35:07,906 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (40 of 109 remaining) [2022-04-18 16:35:07,906 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (39 of 109 remaining) [2022-04-18 16:35:07,906 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (38 of 109 remaining) [2022-04-18 16:35:07,906 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (37 of 109 remaining) [2022-04-18 16:35:07,906 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (36 of 109 remaining) [2022-04-18 16:35:07,906 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (35 of 109 remaining) [2022-04-18 16:35:07,907 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (34 of 109 remaining) [2022-04-18 16:35:07,907 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (33 of 109 remaining) [2022-04-18 16:35:07,907 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (32 of 109 remaining) [2022-04-18 16:35:07,907 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (31 of 109 remaining) [2022-04-18 16:35:07,907 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (30 of 109 remaining) [2022-04-18 16:35:07,907 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (29 of 109 remaining) [2022-04-18 16:35:07,907 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (28 of 109 remaining) [2022-04-18 16:35:07,907 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (27 of 109 remaining) [2022-04-18 16:35:07,908 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (26 of 109 remaining) [2022-04-18 16:35:07,908 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (25 of 109 remaining) [2022-04-18 16:35:07,908 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (24 of 109 remaining) [2022-04-18 16:35:07,908 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (23 of 109 remaining) [2022-04-18 16:35:07,908 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (22 of 109 remaining) [2022-04-18 16:35:07,908 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (21 of 109 remaining) [2022-04-18 16:35:07,908 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (20 of 109 remaining) [2022-04-18 16:35:07,908 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (19 of 109 remaining) [2022-04-18 16:35:07,909 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (18 of 109 remaining) [2022-04-18 16:35:07,909 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (17 of 109 remaining) [2022-04-18 16:35:07,909 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (16 of 109 remaining) [2022-04-18 16:35:07,909 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (15 of 109 remaining) [2022-04-18 16:35:07,909 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (14 of 109 remaining) [2022-04-18 16:35:07,909 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (13 of 109 remaining) [2022-04-18 16:35:07,909 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (12 of 109 remaining) [2022-04-18 16:35:07,910 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (11 of 109 remaining) [2022-04-18 16:35:07,910 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (10 of 109 remaining) [2022-04-18 16:35:07,910 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (9 of 109 remaining) [2022-04-18 16:35:07,910 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (8 of 109 remaining) [2022-04-18 16:35:07,910 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (7 of 109 remaining) [2022-04-18 16:35:07,910 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (6 of 109 remaining) [2022-04-18 16:35:07,910 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (5 of 109 remaining) [2022-04-18 16:35:07,911 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (4 of 109 remaining) [2022-04-18 16:35:07,911 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (3 of 109 remaining) [2022-04-18 16:35:07,911 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (2 of 109 remaining) [2022-04-18 16:35:07,911 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (1 of 109 remaining) [2022-04-18 16:35:07,911 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (0 of 109 remaining) [2022-04-18 16:35:07,911 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-04-18 16:35:07,914 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:07,918 INFO L227 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-04-18 16:35:07,919 INFO L177 ceAbstractionStarter]: Computing trace abstraction results [2022-04-18 16:35:07,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 04:35:07 BasicIcfg [2022-04-18 16:35:07,922 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-18 16:35:07,922 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-04-18 16:35:07,922 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-04-18 16:35:07,923 INFO L275 PluginConnector]: Witness Printer initialized [2022-04-18 16:35:07,923 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:34:36" (3/4) ... [2022-04-18 16:35:07,925 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-04-18 16:35:07,928 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-04-18 16:35:07,928 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-04-18 16:35:07,928 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-04-18 16:35:07,928 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2022-04-18 16:35:07,932 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2022-04-18 16:35:07,933 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-04-18 16:35:07,933 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-04-18 16:35:07,933 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-04-18 16:35:07,968 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-04-18 16:35:07,968 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-04-18 16:35:07,968 INFO L158 Benchmark]: Toolchain (without parser) took 32734.14ms. Allocated memory was 100.7MB in the beginning and 12.6GB in the end (delta: 12.5GB). Free memory was 63.0MB in the beginning and 9.4GB in the end (delta: -9.3GB). Peak memory consumption was 3.2GB. Max. memory is 16.1GB. [2022-04-18 16:35:07,969 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 100.7MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 16:35:07,969 INFO L158 Benchmark]: CACSL2BoogieTranslator took 190.71ms. Allocated memory is still 100.7MB. Free memory was 62.7MB in the beginning and 73.8MB in the end (delta: -11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-04-18 16:35:07,969 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.68ms. Allocated memory is still 100.7MB. Free memory was 73.8MB in the beginning and 70.8MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-04-18 16:35:07,969 INFO L158 Benchmark]: Boogie Preprocessor took 22.28ms. Allocated memory is still 100.7MB. Free memory was 70.8MB in the beginning and 68.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 16:35:07,969 INFO L158 Benchmark]: RCFGBuilder took 710.15ms. Allocated memory was 100.7MB in the beginning and 130.0MB in the end (delta: 29.4MB). Free memory was 68.7MB in the beginning and 93.6MB in the end (delta: -24.9MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2022-04-18 16:35:07,970 INFO L158 Benchmark]: TraceAbstraction took 31729.05ms. Allocated memory was 130.0MB in the beginning and 12.6GB in the end (delta: 12.5GB). Free memory was 93.6MB in the beginning and 9.4GB in the end (delta: -9.3GB). Peak memory consumption was 3.4GB. Max. memory is 16.1GB. [2022-04-18 16:35:07,970 INFO L158 Benchmark]: Witness Printer took 45.63ms. Allocated memory is still 12.6GB. Free memory was 9.4GB in the beginning and 9.4GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-04-18 16:35:07,972 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 100.7MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 190.71ms. Allocated memory is still 100.7MB. Free memory was 62.7MB in the beginning and 73.8MB in the end (delta: -11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.68ms. Allocated memory is still 100.7MB. Free memory was 73.8MB in the beginning and 70.8MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.28ms. Allocated memory is still 100.7MB. Free memory was 70.8MB in the beginning and 68.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 710.15ms. Allocated memory was 100.7MB in the beginning and 130.0MB in the end (delta: 29.4MB). Free memory was 68.7MB in the beginning and 93.6MB in the end (delta: -24.9MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. * TraceAbstraction took 31729.05ms. Allocated memory was 130.0MB in the beginning and 12.6GB in the end (delta: 12.5GB). Free memory was 93.6MB in the beginning and 9.4GB in the end (delta: -9.3GB). Peak memory consumption was 3.4GB. Max. memory is 16.1GB. * Witness Printer took 45.63ms. Allocated memory is still 12.6GB. Free memory was 9.4GB in the beginning and 9.4GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 124]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 125]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 126]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 129]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 130]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 140]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 141]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 142]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 143]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 145]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: 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 9 procedures, 356 locations, 109 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: 31.6s, OverallIterations: 16, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 30.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 270 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 270 mSDsluCounter, 117 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 578 mSDsCounter, 89 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1444 IncrementalHoareTripleChecker+Invalid, 1533 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 89 mSolverCounterUnsat, 117 mSDtfsCounter, 1444 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=540occurred in iteration=0, InterpolantAutomatonStates: 60, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1370 NumberOfCodeBlocks, 1370 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1354 ConstructedInterpolants, 0 QuantifiedInterpolants, 1702 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 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 62 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-04-18 16:35:08,016 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE