./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_83-list2_racing1.i --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/goblint-regression/28-race_reach_83-list2_racing1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 23c4aefdda14d4315577cd0030d174ab477745d4b270d2de822290a016a0ff8d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 15:51:03,453 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 15:51:03,454 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 15:51:03,493 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 15:51:03,493 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 15:51:03,494 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 15:51:03,496 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 15:51:03,499 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 15:51:03,501 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 15:51:03,506 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 15:51:03,507 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 15:51:03,509 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 15:51:03,510 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 15:51:03,512 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 15:51:03,514 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 15:51:03,517 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 15:51:03,518 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 15:51:03,520 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 15:51:03,521 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 15:51:03,526 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 15:51:03,528 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 15:51:03,529 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 15:51:03,530 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 15:51:03,531 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 15:51:03,532 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 15:51:03,536 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 15:51:03,536 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 15:51:03,537 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 15:51:03,538 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 15:51:03,538 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 15:51:03,539 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 15:51:03,540 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 15:51:03,541 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 15:51:03,542 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 15:51:03,542 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 15:51:03,543 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 15:51:03,543 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 15:51:03,544 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 15:51:03,544 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 15:51:03,544 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 15:51:03,545 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 15:51:03,547 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 15:51:03,547 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-04-18 15:51:03,581 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 15:51:03,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 15:51:03,582 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 15:51:03,582 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 15:51:03,583 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 15:51:03,583 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 15:51:03,584 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 15:51:03,584 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 15:51:03,584 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 15:51:03,585 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 15:51:03,585 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 15:51:03,585 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 15:51:03,586 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 15:51:03,586 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 15:51:03,586 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 15:51:03,586 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 15:51:03,586 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 15:51:03,586 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 15:51:03,587 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 15:51:03,587 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 15:51:03,587 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 15:51:03,587 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 15:51:03,587 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 15:51:03,588 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 15:51:03,588 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 15:51:03,588 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 15:51:03,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 15:51:03,588 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 15:51:03,589 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 15:51:03,589 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 15:51:03,589 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-18 15:51:03,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 15:51:03,590 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 15:51:03,590 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-04-18 15:51:03,590 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 15:51:03,590 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23c4aefdda14d4315577cd0030d174ab477745d4b270d2de822290a016a0ff8d [2022-04-18 15:51:03,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 15:51:03,843 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 15:51:03,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 15:51:03,847 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 15:51:03,848 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 15:51:03,849 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_83-list2_racing1.i [2022-04-18 15:51:03,915 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c2314c58/56433057cc0741538797a228ab0a89e2/FLAG8fc14e1ce [2022-04-18 15:51:04,442 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 15:51:04,443 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_83-list2_racing1.i [2022-04-18 15:51:04,462 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c2314c58/56433057cc0741538797a228ab0a89e2/FLAG8fc14e1ce [2022-04-18 15:51:04,723 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c2314c58/56433057cc0741538797a228ab0a89e2 [2022-04-18 15:51:04,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 15:51:04,726 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 15:51:04,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 15:51:04,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 15:51:04,733 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 15:51:04,733 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 03:51:04" (1/1) ... [2022-04-18 15:51:04,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7357a90b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:51:04, skipping insertion in model container [2022-04-18 15:51:04,734 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 03:51:04" (1/1) ... [2022-04-18 15:51:04,739 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 15:51:04,785 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 15:51:05,178 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_83-list2_racing1.i[47038,47051] [2022-04-18 15:51:05,266 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 15:51:05,277 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 15:51:05,314 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_83-list2_racing1.i[47038,47051] [2022-04-18 15:51:05,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 15:51:05,396 INFO L208 MainTranslator]: Completed translation [2022-04-18 15:51:05,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:51:05 WrapperNode [2022-04-18 15:51:05,397 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 15:51:05,398 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 15:51:05,398 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 15:51:05,399 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 15:51:05,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:51:05" (1/1) ... [2022-04-18 15:51:05,423 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:51:05" (1/1) ... [2022-04-18 15:51:05,466 INFO L137 Inliner]: procedures = 279, calls = 86, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 517 [2022-04-18 15:51:05,467 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 15:51:05,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 15:51:05,468 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 15:51:05,468 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 15:51:05,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:51:05" (1/1) ... [2022-04-18 15:51:05,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:51:05" (1/1) ... [2022-04-18 15:51:05,484 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:51:05" (1/1) ... [2022-04-18 15:51:05,484 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:51:05" (1/1) ... [2022-04-18 15:51:05,509 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:51:05" (1/1) ... [2022-04-18 15:51:05,516 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:51:05" (1/1) ... [2022-04-18 15:51:05,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:51:05" (1/1) ... [2022-04-18 15:51:05,525 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 15:51:05,526 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 15:51:05,526 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 15:51:05,526 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 15:51:05,527 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:51:05" (1/1) ... [2022-04-18 15:51:05,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 15:51:05,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-18 15:51:05,577 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 15:51:05,583 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 15:51:05,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 15:51:05,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-04-18 15:51:05,624 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2022-04-18 15:51:05,624 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2022-04-18 15:51:05,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 15:51:05,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-18 15:51:05,624 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2022-04-18 15:51:05,624 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2022-04-18 15:51:05,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 15:51:05,624 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-04-18 15:51:05,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-04-18 15:51:05,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 15:51:05,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-04-18 15:51:05,624 INFO L130 BoogieDeclarations]: Found specification of procedure t3_fun [2022-04-18 15:51:05,624 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_fun [2022-04-18 15:51:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 15:51:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 15:51:05,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 15:51:05,626 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 15:51:05,755 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 15:51:05,757 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 15:51:06,434 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 15:51:06,451 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 15:51:06,451 INFO L299 CfgBuilder]: Removed 28 assume(true) statements. [2022-04-18 15:51:06,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 03:51:06 BoogieIcfgContainer [2022-04-18 15:51:06,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 15:51:06,457 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 15:51:06,458 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 15:51:06,461 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 15:51:06,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 03:51:04" (1/3) ... [2022-04-18 15:51:06,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7586a429 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 03:51:06, skipping insertion in model container [2022-04-18 15:51:06,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:51:05" (2/3) ... [2022-04-18 15:51:06,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7586a429 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 03:51:06, skipping insertion in model container [2022-04-18 15:51:06,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 03:51:06" (3/3) ... [2022-04-18 15:51:06,463 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_83-list2_racing1.i [2022-04-18 15:51:06,470 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 15:51:06,471 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 15:51:06,471 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2022-04-18 15:51:06,471 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 15:51:06,648 INFO L135 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2022-04-18 15:51:06,704 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 15:51:06,710 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 15:51:06,710 INFO L341 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2022-04-18 15:51:06,734 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 535 places, 574 transitions, 1190 flow [2022-04-18 15:51:07,276 INFO L129 PetriNetUnfolder]: 165/1628 cut-off events. [2022-04-18 15:51:07,277 INFO L130 PetriNetUnfolder]: For 36/66 co-relation queries the response was YES. [2022-04-18 15:51:07,319 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1689 conditions, 1628 events. 165/1628 cut-off events. For 36/66 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 11557 event pairs, 0 based on Foata normal form. 0/1365 useless extension candidates. Maximal degree in co-relation 836. Up to 16 conditions per place. [2022-04-18 15:51:07,320 INFO L82 GeneralOperation]: Start removeDead. Operand has 535 places, 574 transitions, 1190 flow [2022-04-18 15:51:07,349 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 535 places, 574 transitions, 1190 flow [2022-04-18 15:51:07,355 INFO L129 PetriNetUnfolder]: 0/47 cut-off events. [2022-04-18 15:51:07,355 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 15:51:07,356 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:51:07,357 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] [2022-04-18 15:51:07,357 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr7ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-04-18 15:51:07,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:51:07,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1483080218, now seen corresponding path program 1 times [2022-04-18 15:51:07,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:51:07,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442889461] [2022-04-18 15:51:07,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:51:07,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:51:07,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:51:07,649 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 15:51:07,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:51:07,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442889461] [2022-04-18 15:51:07,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442889461] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 15:51:07,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 15:51:07,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 15:51:07,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65628283] [2022-04-18 15:51:07,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 15:51:07,661 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 15:51:07,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:51:07,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 15:51:07,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 15:51:07,695 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 512 out of 574 [2022-04-18 15:51:07,703 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 535 places, 574 transitions, 1190 flow. Second operand has 3 states, 3 states have (on average 513.3333333333334) internal successors, (1540), 3 states have internal predecessors, (1540), 0 states have call successors, (0), 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 15:51:07,703 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:51:07,703 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 512 of 574 [2022-04-18 15:51:07,704 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 15:51:10,462 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1672] t1_funEXIT-->L1056-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem57#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_4) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} AuxVars[] AssignedVars[][496], [t2_funThread1of1ForFork0NotInUse, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1InUse, 264#L1044-1true, 402#L1056-9true]) [2022-04-18 15:51:10,463 INFO L384 tUnfolder$Statistics]: this new event has 287 ancestors and is cut-off event [2022-04-18 15:51:10,463 INFO L387 tUnfolder$Statistics]: existing Event has 287 ancestors and is cut-off event [2022-04-18 15:51:10,463 INFO L387 tUnfolder$Statistics]: existing Event has 210 ancestors and is cut-off event [2022-04-18 15:51:10,463 INFO L387 tUnfolder$Statistics]: existing Event has 210 ancestors and is cut-off event [2022-04-18 15:51:10,463 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1678] t1_funEXIT-->L1058-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem61#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_8) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} AuxVars[] AssignedVars[][497], [t2_funThread1of1ForFork0NotInUse, t1_funThread1of1ForFork2NotInUse, 538#true, 478#L1058-9true, t3_funThread1of1ForFork1InUse, 264#L1044-1true]) [2022-04-18 15:51:10,464 INFO L384 tUnfolder$Statistics]: this new event has 291 ancestors and is cut-off event [2022-04-18 15:51:10,464 INFO L387 tUnfolder$Statistics]: existing Event has 214 ancestors and is cut-off event [2022-04-18 15:51:10,464 INFO L387 tUnfolder$Statistics]: existing Event has 291 ancestors and is cut-off event [2022-04-18 15:51:10,464 INFO L387 tUnfolder$Statistics]: existing Event has 214 ancestors and is cut-off event [2022-04-18 15:51:10,464 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1675] t1_funEXIT-->L1057-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem59#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_6) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} AuxVars[] AssignedVars[][498], [t2_funThread1of1ForFork0NotInUse, 538#true, t1_funThread1of1ForFork2NotInUse, t3_funThread1of1ForFork1InUse, 264#L1044-1true, 52#L1057-9true]) [2022-04-18 15:51:10,465 INFO L384 tUnfolder$Statistics]: this new event has 289 ancestors and is cut-off event [2022-04-18 15:51:10,465 INFO L387 tUnfolder$Statistics]: existing Event has 289 ancestors and is cut-off event [2022-04-18 15:51:10,465 INFO L387 tUnfolder$Statistics]: existing Event has 212 ancestors and is cut-off event [2022-04-18 15:51:10,465 INFO L387 tUnfolder$Statistics]: existing Event has 212 ancestors and is cut-off event [2022-04-18 15:51:10,467 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1672] t1_funEXIT-->L1056-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem57#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_4) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} AuxVars[] AssignedVars[][496], [t2_funThread1of1ForFork0InUse, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1NotInUse, 325#L1037-1true, 402#L1056-9true]) [2022-04-18 15:51:10,468 INFO L384 tUnfolder$Statistics]: this new event has 287 ancestors and is cut-off event [2022-04-18 15:51:10,468 INFO L387 tUnfolder$Statistics]: existing Event has 210 ancestors and is cut-off event [2022-04-18 15:51:10,469 INFO L387 tUnfolder$Statistics]: existing Event has 287 ancestors and is cut-off event [2022-04-18 15:51:10,469 INFO L387 tUnfolder$Statistics]: existing Event has 210 ancestors and is cut-off event [2022-04-18 15:51:10,469 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1678] t1_funEXIT-->L1058-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem61#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_8) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} AuxVars[] AssignedVars[][497], [t2_funThread1of1ForFork0InUse, t1_funThread1of1ForFork2NotInUse, 538#true, 478#L1058-9true, t3_funThread1of1ForFork1NotInUse, 325#L1037-1true]) [2022-04-18 15:51:10,469 INFO L384 tUnfolder$Statistics]: this new event has 291 ancestors and is cut-off event [2022-04-18 15:51:10,469 INFO L387 tUnfolder$Statistics]: existing Event has 291 ancestors and is cut-off event [2022-04-18 15:51:10,470 INFO L387 tUnfolder$Statistics]: existing Event has 214 ancestors and is cut-off event [2022-04-18 15:51:10,470 INFO L387 tUnfolder$Statistics]: existing Event has 214 ancestors and is cut-off event [2022-04-18 15:51:10,470 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1675] t1_funEXIT-->L1057-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem59#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_6) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} AuxVars[] AssignedVars[][498], [t2_funThread1of1ForFork0InUse, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1NotInUse, 325#L1037-1true, 52#L1057-9true]) [2022-04-18 15:51:10,470 INFO L384 tUnfolder$Statistics]: this new event has 289 ancestors and is cut-off event [2022-04-18 15:51:10,471 INFO L387 tUnfolder$Statistics]: existing Event has 212 ancestors and is cut-off event [2022-04-18 15:51:10,471 INFO L387 tUnfolder$Statistics]: existing Event has 289 ancestors and is cut-off event [2022-04-18 15:51:10,472 INFO L387 tUnfolder$Statistics]: existing Event has 212 ancestors and is cut-off event [2022-04-18 15:51:10,483 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1672] t1_funEXIT-->L1056-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem57#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_4) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} AuxVars[] AssignedVars[][496], [t2_funThread1of1ForFork0InUse, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1NotInUse, 410#t2_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 402#L1056-9true]) [2022-04-18 15:51:10,484 INFO L384 tUnfolder$Statistics]: this new event has 288 ancestors and is cut-off event [2022-04-18 15:51:10,484 INFO L387 tUnfolder$Statistics]: existing Event has 211 ancestors and is cut-off event [2022-04-18 15:51:10,484 INFO L387 tUnfolder$Statistics]: existing Event has 288 ancestors and is cut-off event [2022-04-18 15:51:10,485 INFO L387 tUnfolder$Statistics]: existing Event has 211 ancestors and is cut-off event [2022-04-18 15:51:10,485 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1678] t1_funEXIT-->L1058-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem61#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_8) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} AuxVars[] AssignedVars[][497], [t2_funThread1of1ForFork0InUse, 538#true, t1_funThread1of1ForFork2NotInUse, 478#L1058-9true, t3_funThread1of1ForFork1NotInUse, 410#t2_funErr0ASSERT_VIOLATIONDATA_RACEtrue]) [2022-04-18 15:51:10,487 INFO L384 tUnfolder$Statistics]: this new event has 292 ancestors and is cut-off event [2022-04-18 15:51:10,488 INFO L387 tUnfolder$Statistics]: existing Event has 215 ancestors and is cut-off event [2022-04-18 15:51:10,488 INFO L387 tUnfolder$Statistics]: existing Event has 292 ancestors and is cut-off event [2022-04-18 15:51:10,488 INFO L387 tUnfolder$Statistics]: existing Event has 215 ancestors and is cut-off event [2022-04-18 15:51:10,489 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1675] t1_funEXIT-->L1057-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem59#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_6) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} AuxVars[] AssignedVars[][498], [t2_funThread1of1ForFork0InUse, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1NotInUse, 52#L1057-9true, 410#t2_funErr0ASSERT_VIOLATIONDATA_RACEtrue]) [2022-04-18 15:51:10,489 INFO L384 tUnfolder$Statistics]: this new event has 290 ancestors and is cut-off event [2022-04-18 15:51:10,489 INFO L387 tUnfolder$Statistics]: existing Event has 213 ancestors and is cut-off event [2022-04-18 15:51:10,489 INFO L387 tUnfolder$Statistics]: existing Event has 213 ancestors and is cut-off event [2022-04-18 15:51:10,489 INFO L387 tUnfolder$Statistics]: existing Event has 290 ancestors and is cut-off event [2022-04-18 15:51:10,495 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1672] t1_funEXIT-->L1056-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem57#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_4) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} AuxVars[] AssignedVars[][496], [t2_funThread1of1ForFork0NotInUse, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1InUse, 402#L1056-9true, 374#t3_funErr0ASSERT_VIOLATIONDATA_RACEtrue]) [2022-04-18 15:51:10,495 INFO L384 tUnfolder$Statistics]: this new event has 288 ancestors and is cut-off event [2022-04-18 15:51:10,495 INFO L387 tUnfolder$Statistics]: existing Event has 211 ancestors and is cut-off event [2022-04-18 15:51:10,496 INFO L387 tUnfolder$Statistics]: existing Event has 211 ancestors and is cut-off event [2022-04-18 15:51:10,496 INFO L387 tUnfolder$Statistics]: existing Event has 288 ancestors and is cut-off event [2022-04-18 15:51:10,496 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1678] t1_funEXIT-->L1058-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem61#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_8) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} AuxVars[] AssignedVars[][497], [t2_funThread1of1ForFork0NotInUse, t1_funThread1of1ForFork2NotInUse, 538#true, 478#L1058-9true, t3_funThread1of1ForFork1InUse, 374#t3_funErr0ASSERT_VIOLATIONDATA_RACEtrue]) [2022-04-18 15:51:10,496 INFO L384 tUnfolder$Statistics]: this new event has 292 ancestors and is cut-off event [2022-04-18 15:51:10,496 INFO L387 tUnfolder$Statistics]: existing Event has 292 ancestors and is cut-off event [2022-04-18 15:51:10,497 INFO L387 tUnfolder$Statistics]: existing Event has 215 ancestors and is cut-off event [2022-04-18 15:51:10,497 INFO L387 tUnfolder$Statistics]: existing Event has 215 ancestors and is cut-off event [2022-04-18 15:51:10,497 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1675] t1_funEXIT-->L1057-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem59#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_6) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} AuxVars[] AssignedVars[][498], [t2_funThread1of1ForFork0NotInUse, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1InUse, 52#L1057-9true, 374#t3_funErr0ASSERT_VIOLATIONDATA_RACEtrue]) [2022-04-18 15:51:10,497 INFO L384 tUnfolder$Statistics]: this new event has 290 ancestors and is cut-off event [2022-04-18 15:51:10,497 INFO L387 tUnfolder$Statistics]: existing Event has 290 ancestors and is cut-off event [2022-04-18 15:51:10,498 INFO L387 tUnfolder$Statistics]: existing Event has 213 ancestors and is cut-off event [2022-04-18 15:51:10,498 INFO L387 tUnfolder$Statistics]: existing Event has 213 ancestors and is cut-off event [2022-04-18 15:51:10,499 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1672] t1_funEXIT-->L1056-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem57#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_4) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} AuxVars[] AssignedVars[][496], [t2_funThread1of1ForFork0NotInUse, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1InUse, 6#L1044-2true, 402#L1056-9true]) [2022-04-18 15:51:10,500 INFO L384 tUnfolder$Statistics]: this new event has 288 ancestors and is cut-off event [2022-04-18 15:51:10,500 INFO L387 tUnfolder$Statistics]: existing Event has 211 ancestors and is cut-off event [2022-04-18 15:51:10,500 INFO L387 tUnfolder$Statistics]: existing Event has 211 ancestors and is cut-off event [2022-04-18 15:51:10,500 INFO L387 tUnfolder$Statistics]: existing Event has 288 ancestors and is cut-off event [2022-04-18 15:51:10,501 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1678] t1_funEXIT-->L1058-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem61#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_8) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} AuxVars[] AssignedVars[][497], [t2_funThread1of1ForFork0NotInUse, t1_funThread1of1ForFork2NotInUse, 538#true, 478#L1058-9true, t3_funThread1of1ForFork1InUse, 6#L1044-2true]) [2022-04-18 15:51:10,501 INFO L384 tUnfolder$Statistics]: this new event has 292 ancestors and is cut-off event [2022-04-18 15:51:10,501 INFO L387 tUnfolder$Statistics]: existing Event has 215 ancestors and is cut-off event [2022-04-18 15:51:10,501 INFO L387 tUnfolder$Statistics]: existing Event has 292 ancestors and is cut-off event [2022-04-18 15:51:10,501 INFO L387 tUnfolder$Statistics]: existing Event has 215 ancestors and is cut-off event [2022-04-18 15:51:10,501 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1675] t1_funEXIT-->L1057-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem59#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_6) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} AuxVars[] AssignedVars[][498], [t2_funThread1of1ForFork0NotInUse, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1InUse, 6#L1044-2true, 52#L1057-9true]) [2022-04-18 15:51:10,502 INFO L384 tUnfolder$Statistics]: this new event has 290 ancestors and is cut-off event [2022-04-18 15:51:10,502 INFO L387 tUnfolder$Statistics]: existing Event has 213 ancestors and is cut-off event [2022-04-18 15:51:10,502 INFO L387 tUnfolder$Statistics]: existing Event has 290 ancestors and is cut-off event [2022-04-18 15:51:10,502 INFO L387 tUnfolder$Statistics]: existing Event has 213 ancestors and is cut-off event [2022-04-18 15:51:10,504 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1672] t1_funEXIT-->L1056-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem57#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_4) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} AuxVars[] AssignedVars[][496], [120#L1037-2true, t2_funThread1of1ForFork0InUse, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1NotInUse, 402#L1056-9true]) [2022-04-18 15:51:10,504 INFO L384 tUnfolder$Statistics]: this new event has 288 ancestors and is cut-off event [2022-04-18 15:51:10,504 INFO L387 tUnfolder$Statistics]: existing Event has 288 ancestors and is cut-off event [2022-04-18 15:51:10,505 INFO L387 tUnfolder$Statistics]: existing Event has 211 ancestors and is cut-off event [2022-04-18 15:51:10,505 INFO L387 tUnfolder$Statistics]: existing Event has 211 ancestors and is cut-off event [2022-04-18 15:51:10,505 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1678] t1_funEXIT-->L1058-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem61#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_8) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} AuxVars[] AssignedVars[][497], [120#L1037-2true, t2_funThread1of1ForFork0InUse, t1_funThread1of1ForFork2NotInUse, 538#true, 478#L1058-9true, t3_funThread1of1ForFork1NotInUse]) [2022-04-18 15:51:10,505 INFO L384 tUnfolder$Statistics]: this new event has 292 ancestors and is cut-off event [2022-04-18 15:51:10,505 INFO L387 tUnfolder$Statistics]: existing Event has 215 ancestors and is cut-off event [2022-04-18 15:51:10,506 INFO L387 tUnfolder$Statistics]: existing Event has 292 ancestors and is cut-off event [2022-04-18 15:51:10,506 INFO L387 tUnfolder$Statistics]: existing Event has 215 ancestors and is cut-off event [2022-04-18 15:51:10,506 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1675] t1_funEXIT-->L1057-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem59#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_6) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} AuxVars[] AssignedVars[][498], [120#L1037-2true, t2_funThread1of1ForFork0InUse, 538#true, t1_funThread1of1ForFork2NotInUse, t3_funThread1of1ForFork1NotInUse, 52#L1057-9true]) [2022-04-18 15:51:10,506 INFO L384 tUnfolder$Statistics]: this new event has 290 ancestors and is cut-off event [2022-04-18 15:51:10,506 INFO L387 tUnfolder$Statistics]: existing Event has 213 ancestors and is cut-off event [2022-04-18 15:51:10,506 INFO L387 tUnfolder$Statistics]: existing Event has 290 ancestors and is cut-off event [2022-04-18 15:51:10,507 INFO L387 tUnfolder$Statistics]: existing Event has 213 ancestors and is cut-off event [2022-04-18 15:51:10,646 INFO L129 PetriNetUnfolder]: 756/10386 cut-off events. [2022-04-18 15:51:10,646 INFO L130 PetriNetUnfolder]: For 1278/1671 co-relation queries the response was YES. [2022-04-18 15:51:10,755 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11702 conditions, 10386 events. 756/10386 cut-off events. For 1278/1671 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 112240 event pairs, 375 based on Foata normal form. 870/10049 useless extension candidates. Maximal degree in co-relation 7019. Up to 872 conditions per place. [2022-04-18 15:51:10,852 INFO L132 encePairwiseOnDemand]: 541/574 looper letters, 27 selfloop transitions, 2 changer transitions 0/541 dead transitions. [2022-04-18 15:51:10,853 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 534 places, 541 transitions, 1182 flow [2022-04-18 15:51:10,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 15:51:10,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 15:51:10,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1596 transitions. [2022-04-18 15:51:10,873 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.926829268292683 [2022-04-18 15:51:10,874 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1596 transitions. [2022-04-18 15:51:10,874 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1596 transitions. [2022-04-18 15:51:10,878 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 15:51:10,880 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1596 transitions. [2022-04-18 15:51:10,887 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 532.0) internal successors, (1596), 3 states have internal predecessors, (1596), 0 states have call successors, (0), 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 15:51:10,897 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 574.0) internal successors, (2296), 4 states have internal predecessors, (2296), 0 states have call successors, (0), 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 15:51:10,899 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 574.0) internal successors, (2296), 4 states have internal predecessors, (2296), 0 states have call successors, (0), 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 15:51:10,900 INFO L186 Difference]: Start difference. First operand has 535 places, 574 transitions, 1190 flow. Second operand 3 states and 1596 transitions. [2022-04-18 15:51:10,901 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 534 places, 541 transitions, 1182 flow [2022-04-18 15:51:10,914 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 534 places, 541 transitions, 1182 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-04-18 15:51:10,931 INFO L242 Difference]: Finished difference. Result has 534 places, 541 transitions, 1128 flow [2022-04-18 15:51:10,934 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=574, PETRI_DIFFERENCE_MINUEND_FLOW=1124, PETRI_DIFFERENCE_MINUEND_PLACES=532, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=541, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=539, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1128, PETRI_PLACES=534, PETRI_TRANSITIONS=541} [2022-04-18 15:51:10,939 INFO L335 CegarLoopForPetriNet]: 535 programPoint places, -1 predicate places. [2022-04-18 15:51:10,939 INFO L478 AbstractCegarLoop]: Abstraction has has 534 places, 541 transitions, 1128 flow [2022-04-18 15:51:10,940 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 513.3333333333334) internal successors, (1540), 3 states have internal predecessors, (1540), 0 states have call successors, (0), 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 15:51:10,940 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:51:10,940 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] [2022-04-18 15:51:10,941 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 15:51:10,941 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr7ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-04-18 15:51:10,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:51:10,942 INFO L85 PathProgramCache]: Analyzing trace with hash -730148464, now seen corresponding path program 1 times [2022-04-18 15:51:10,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:51:10,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999977213] [2022-04-18 15:51:10,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:51:10,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:51:10,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:51:11,044 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 15:51:11,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:51:11,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999977213] [2022-04-18 15:51:11,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999977213] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 15:51:11,045 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 15:51:11,045 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 15:51:11,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680460060] [2022-04-18 15:51:11,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 15:51:11,047 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 15:51:11,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:51:11,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 15:51:11,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 15:51:11,050 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 515 out of 574 [2022-04-18 15:51:11,052 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 534 places, 541 transitions, 1128 flow. Second operand has 3 states, 3 states have (on average 516.3333333333334) internal successors, (1549), 3 states have internal predecessors, (1549), 0 states have call successors, (0), 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 15:51:11,052 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:51:11,052 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 515 of 574 [2022-04-18 15:51:11,052 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 15:51:12,762 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1672] t1_funEXIT-->L1056-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem57#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_4) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} AuxVars[] AssignedVars[][492], [t2_funThread1of1ForFork0NotInUse, t1_funThread1of1ForFork2NotInUse, 538#true, 544#(= |#race~A~0| 0), t3_funThread1of1ForFork1InUse, 264#L1044-1true, 402#L1056-9true]) [2022-04-18 15:51:12,762 INFO L384 tUnfolder$Statistics]: this new event has 287 ancestors and is cut-off event [2022-04-18 15:51:12,762 INFO L387 tUnfolder$Statistics]: existing Event has 210 ancestors and is cut-off event [2022-04-18 15:51:12,762 INFO L387 tUnfolder$Statistics]: existing Event has 287 ancestors and is cut-off event [2022-04-18 15:51:12,763 INFO L387 tUnfolder$Statistics]: existing Event has 210 ancestors and is cut-off event [2022-04-18 15:51:12,763 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1678] t1_funEXIT-->L1058-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem61#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_8) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} AuxVars[] AssignedVars[][493], [t2_funThread1of1ForFork0NotInUse, t1_funThread1of1ForFork2NotInUse, 538#true, 478#L1058-9true, 544#(= |#race~A~0| 0), t3_funThread1of1ForFork1InUse, 264#L1044-1true]) [2022-04-18 15:51:12,763 INFO L384 tUnfolder$Statistics]: this new event has 291 ancestors and is cut-off event [2022-04-18 15:51:12,763 INFO L387 tUnfolder$Statistics]: existing Event has 291 ancestors and is cut-off event [2022-04-18 15:51:12,763 INFO L387 tUnfolder$Statistics]: existing Event has 214 ancestors and is cut-off event [2022-04-18 15:51:12,763 INFO L387 tUnfolder$Statistics]: existing Event has 214 ancestors and is cut-off event [2022-04-18 15:51:12,763 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1675] t1_funEXIT-->L1057-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem59#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_6) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} AuxVars[] AssignedVars[][494], [t2_funThread1of1ForFork0NotInUse, t1_funThread1of1ForFork2NotInUse, 538#true, 544#(= |#race~A~0| 0), t3_funThread1of1ForFork1InUse, 264#L1044-1true, 52#L1057-9true]) [2022-04-18 15:51:12,763 INFO L384 tUnfolder$Statistics]: this new event has 289 ancestors and is cut-off event [2022-04-18 15:51:12,763 INFO L387 tUnfolder$Statistics]: existing Event has 212 ancestors and is cut-off event [2022-04-18 15:51:12,763 INFO L387 tUnfolder$Statistics]: existing Event has 289 ancestors and is cut-off event [2022-04-18 15:51:12,764 INFO L387 tUnfolder$Statistics]: existing Event has 212 ancestors and is cut-off event [2022-04-18 15:51:12,766 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1672] t1_funEXIT-->L1056-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem57#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_4) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} AuxVars[] AssignedVars[][492], [t2_funThread1of1ForFork0InUse, 538#true, t1_funThread1of1ForFork2NotInUse, 544#(= |#race~A~0| 0), t3_funThread1of1ForFork1NotInUse, 325#L1037-1true, 402#L1056-9true]) [2022-04-18 15:51:12,766 INFO L384 tUnfolder$Statistics]: this new event has 287 ancestors and is cut-off event [2022-04-18 15:51:12,766 INFO L387 tUnfolder$Statistics]: existing Event has 210 ancestors and is cut-off event [2022-04-18 15:51:12,766 INFO L387 tUnfolder$Statistics]: existing Event has 210 ancestors and is cut-off event [2022-04-18 15:51:12,766 INFO L387 tUnfolder$Statistics]: existing Event has 287 ancestors and is cut-off event [2022-04-18 15:51:12,766 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1678] t1_funEXIT-->L1058-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem61#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_8) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} AuxVars[] AssignedVars[][493], [t2_funThread1of1ForFork0InUse, 538#true, t1_funThread1of1ForFork2NotInUse, 478#L1058-9true, 544#(= |#race~A~0| 0), t3_funThread1of1ForFork1NotInUse, 325#L1037-1true]) [2022-04-18 15:51:12,767 INFO L384 tUnfolder$Statistics]: this new event has 291 ancestors and is cut-off event [2022-04-18 15:51:12,767 INFO L387 tUnfolder$Statistics]: existing Event has 214 ancestors and is cut-off event [2022-04-18 15:51:12,767 INFO L387 tUnfolder$Statistics]: existing Event has 214 ancestors and is cut-off event [2022-04-18 15:51:12,767 INFO L387 tUnfolder$Statistics]: existing Event has 291 ancestors and is cut-off event [2022-04-18 15:51:12,767 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1675] t1_funEXIT-->L1057-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem59#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_6) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} AuxVars[] AssignedVars[][494], [t2_funThread1of1ForFork0InUse, 538#true, t1_funThread1of1ForFork2NotInUse, 544#(= |#race~A~0| 0), t3_funThread1of1ForFork1NotInUse, 325#L1037-1true, 52#L1057-9true]) [2022-04-18 15:51:12,767 INFO L384 tUnfolder$Statistics]: this new event has 289 ancestors and is cut-off event [2022-04-18 15:51:12,768 INFO L387 tUnfolder$Statistics]: existing Event has 212 ancestors and is cut-off event [2022-04-18 15:51:12,768 INFO L387 tUnfolder$Statistics]: existing Event has 212 ancestors and is cut-off event [2022-04-18 15:51:12,768 INFO L387 tUnfolder$Statistics]: existing Event has 289 ancestors and is cut-off event [2022-04-18 15:51:12,777 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1672] t1_funEXIT-->L1056-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem57#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_4) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} AuxVars[] AssignedVars[][492], [t2_funThread1of1ForFork0NotInUse, t1_funThread1of1ForFork2NotInUse, 538#true, 544#(= |#race~A~0| 0), t3_funThread1of1ForFork1InUse, 6#L1044-2true, 402#L1056-9true]) [2022-04-18 15:51:12,777 INFO L384 tUnfolder$Statistics]: this new event has 288 ancestors and is cut-off event [2022-04-18 15:51:12,777 INFO L387 tUnfolder$Statistics]: existing Event has 211 ancestors and is cut-off event [2022-04-18 15:51:12,777 INFO L387 tUnfolder$Statistics]: existing Event has 288 ancestors and is cut-off event [2022-04-18 15:51:12,777 INFO L387 tUnfolder$Statistics]: existing Event has 211 ancestors and is cut-off event [2022-04-18 15:51:12,777 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1678] t1_funEXIT-->L1058-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem61#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_8) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} AuxVars[] AssignedVars[][493], [t2_funThread1of1ForFork0NotInUse, t1_funThread1of1ForFork2NotInUse, 538#true, 478#L1058-9true, 544#(= |#race~A~0| 0), t3_funThread1of1ForFork1InUse, 6#L1044-2true]) [2022-04-18 15:51:12,778 INFO L384 tUnfolder$Statistics]: this new event has 292 ancestors and is cut-off event [2022-04-18 15:51:12,778 INFO L387 tUnfolder$Statistics]: existing Event has 215 ancestors and is cut-off event [2022-04-18 15:51:12,778 INFO L387 tUnfolder$Statistics]: existing Event has 292 ancestors and is cut-off event [2022-04-18 15:51:12,778 INFO L387 tUnfolder$Statistics]: existing Event has 215 ancestors and is cut-off event [2022-04-18 15:51:12,778 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1675] t1_funEXIT-->L1057-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem59#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_6) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} AuxVars[] AssignedVars[][494], [t2_funThread1of1ForFork0NotInUse, t1_funThread1of1ForFork2NotInUse, 538#true, 544#(= |#race~A~0| 0), t3_funThread1of1ForFork1InUse, 6#L1044-2true, 52#L1057-9true]) [2022-04-18 15:51:12,778 INFO L384 tUnfolder$Statistics]: this new event has 290 ancestors and is cut-off event [2022-04-18 15:51:12,778 INFO L387 tUnfolder$Statistics]: existing Event has 213 ancestors and is cut-off event [2022-04-18 15:51:12,778 INFO L387 tUnfolder$Statistics]: existing Event has 290 ancestors and is cut-off event [2022-04-18 15:51:12,778 INFO L387 tUnfolder$Statistics]: existing Event has 213 ancestors and is cut-off event [2022-04-18 15:51:12,779 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1672] t1_funEXIT-->L1056-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem57#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_4) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} AuxVars[] AssignedVars[][492], [120#L1037-2true, t2_funThread1of1ForFork0InUse, t1_funThread1of1ForFork2NotInUse, 538#true, 544#(= |#race~A~0| 0), t3_funThread1of1ForFork1NotInUse, 402#L1056-9true]) [2022-04-18 15:51:12,779 INFO L384 tUnfolder$Statistics]: this new event has 288 ancestors and is cut-off event [2022-04-18 15:51:12,779 INFO L387 tUnfolder$Statistics]: existing Event has 211 ancestors and is cut-off event [2022-04-18 15:51:12,779 INFO L387 tUnfolder$Statistics]: existing Event has 211 ancestors and is cut-off event [2022-04-18 15:51:12,779 INFO L387 tUnfolder$Statistics]: existing Event has 288 ancestors and is cut-off event [2022-04-18 15:51:12,780 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1678] t1_funEXIT-->L1058-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem61#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_8) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} AuxVars[] AssignedVars[][493], [120#L1037-2true, t2_funThread1of1ForFork0InUse, t1_funThread1of1ForFork2NotInUse, 538#true, 478#L1058-9true, 544#(= |#race~A~0| 0), t3_funThread1of1ForFork1NotInUse]) [2022-04-18 15:51:12,780 INFO L384 tUnfolder$Statistics]: this new event has 292 ancestors and is cut-off event [2022-04-18 15:51:12,780 INFO L387 tUnfolder$Statistics]: existing Event has 215 ancestors and is cut-off event [2022-04-18 15:51:12,780 INFO L387 tUnfolder$Statistics]: existing Event has 292 ancestors and is cut-off event [2022-04-18 15:51:12,780 INFO L387 tUnfolder$Statistics]: existing Event has 215 ancestors and is cut-off event [2022-04-18 15:51:12,780 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1675] t1_funEXIT-->L1057-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem59#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_6) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} AuxVars[] AssignedVars[][494], [120#L1037-2true, t2_funThread1of1ForFork0InUse, t1_funThread1of1ForFork2NotInUse, 538#true, 544#(= |#race~A~0| 0), t3_funThread1of1ForFork1NotInUse, 52#L1057-9true]) [2022-04-18 15:51:12,780 INFO L384 tUnfolder$Statistics]: this new event has 290 ancestors and is cut-off event [2022-04-18 15:51:12,780 INFO L387 tUnfolder$Statistics]: existing Event has 290 ancestors and is cut-off event [2022-04-18 15:51:12,780 INFO L387 tUnfolder$Statistics]: existing Event has 213 ancestors and is cut-off event [2022-04-18 15:51:12,780 INFO L387 tUnfolder$Statistics]: existing Event has 213 ancestors and is cut-off event [2022-04-18 15:51:12,882 INFO L129 PetriNetUnfolder]: 483/8494 cut-off events. [2022-04-18 15:51:12,883 INFO L130 PetriNetUnfolder]: For 842/1097 co-relation queries the response was YES. [2022-04-18 15:51:12,963 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9281 conditions, 8494 events. 483/8494 cut-off events. For 842/1097 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 86452 event pairs, 180 based on Foata normal form. 0/7664 useless extension candidates. Maximal degree in co-relation 9222. Up to 485 conditions per place. [2022-04-18 15:51:13,000 INFO L132 encePairwiseOnDemand]: 569/574 looper letters, 21 selfloop transitions, 1 changer transitions 0/537 dead transitions. [2022-04-18 15:51:13,001 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 532 places, 537 transitions, 1164 flow [2022-04-18 15:51:13,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 15:51:13,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 15:51:13,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1571 transitions. [2022-04-18 15:51:13,005 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9123112659698026 [2022-04-18 15:51:13,005 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1571 transitions. [2022-04-18 15:51:13,005 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1571 transitions. [2022-04-18 15:51:13,006 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 15:51:13,006 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1571 transitions. [2022-04-18 15:51:13,010 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 523.6666666666666) internal successors, (1571), 3 states have internal predecessors, (1571), 0 states have call successors, (0), 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 15:51:13,013 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 574.0) internal successors, (2296), 4 states have internal predecessors, (2296), 0 states have call successors, (0), 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 15:51:13,015 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 574.0) internal successors, (2296), 4 states have internal predecessors, (2296), 0 states have call successors, (0), 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 15:51:13,015 INFO L186 Difference]: Start difference. First operand has 534 places, 541 transitions, 1128 flow. Second operand 3 states and 1571 transitions. [2022-04-18 15:51:13,015 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 532 places, 537 transitions, 1164 flow [2022-04-18 15:51:13,021 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 530 places, 537 transitions, 1160 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 15:51:13,026 INFO L242 Difference]: Finished difference. Result has 530 places, 537 transitions, 1118 flow [2022-04-18 15:51:13,027 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=574, PETRI_DIFFERENCE_MINUEND_FLOW=1116, PETRI_DIFFERENCE_MINUEND_PLACES=528, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=537, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=536, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1118, PETRI_PLACES=530, PETRI_TRANSITIONS=537} [2022-04-18 15:51:13,028 INFO L335 CegarLoopForPetriNet]: 535 programPoint places, -5 predicate places. [2022-04-18 15:51:13,028 INFO L478 AbstractCegarLoop]: Abstraction has has 530 places, 537 transitions, 1118 flow [2022-04-18 15:51:13,029 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 516.3333333333334) internal successors, (1549), 3 states have internal predecessors, (1549), 0 states have call successors, (0), 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 15:51:13,030 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:51:13,030 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] [2022-04-18 15:51:13,030 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-18 15:51:13,030 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr7ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-04-18 15:51:13,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:51:13,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1943411359, now seen corresponding path program 1 times [2022-04-18 15:51:13,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:51:13,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731094040] [2022-04-18 15:51:13,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:51:13,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:51:13,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:51:13,194 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 15:51:13,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:51:13,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731094040] [2022-04-18 15:51:13,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731094040] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 15:51:13,195 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 15:51:13,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 15:51:13,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977130267] [2022-04-18 15:51:13,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 15:51:13,196 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 15:51:13,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:51:13,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 15:51:13,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 15:51:13,202 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 362 out of 574 [2022-04-18 15:51:13,205 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 530 places, 537 transitions, 1118 flow. Second operand has 6 states, 6 states have (on average 363.5) internal successors, (2181), 6 states have internal predecessors, (2181), 0 states have call successors, (0), 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 15:51:13,205 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:51:13,205 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 362 of 574 [2022-04-18 15:51:13,206 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand