./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-ring-nondet.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/popl20-bad-ring-nondet.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 5fedede1a0cf545b0a275694256164e3eb4f49b22c80042adac647157728b27d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 16:35:06,480 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 16:35:06,482 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 16:35:06,519 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 16:35:06,519 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 16:35:06,521 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 16:35:06,522 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 16:35:06,524 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 16:35:06,525 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 16:35:06,529 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 16:35:06,530 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 16:35:06,531 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 16:35:06,532 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 16:35:06,533 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 16:35:06,534 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 16:35:06,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 16:35:06,537 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 16:35:06,538 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 16:35:06,539 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 16:35:06,544 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 16:35:06,545 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 16:35:06,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 16:35:06,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 16:35:06,547 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 16:35:06,548 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 16:35:06,553 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 16:35:06,554 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 16:35:06,554 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 16:35:06,555 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 16:35:06,555 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 16:35:06,556 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 16:35:06,556 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 16:35:06,558 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 16:35:06,558 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 16:35:06,559 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 16:35:06,560 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 16:35:06,560 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 16:35:06,560 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 16:35:06,561 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 16:35:06,561 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 16:35:06,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 16:35:06,563 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 16:35:06,564 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-04-18 16:35:06,586 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 16:35:06,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 16:35:06,587 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 16:35:06,587 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 16:35:06,588 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 16:35:06,588 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 16:35:06,589 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 16:35:06,589 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 16:35:06,589 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 16:35:06,590 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 16:35:06,590 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 16:35:06,590 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 16:35:06,590 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 16:35:06,590 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 16:35:06,590 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 16:35:06,590 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 16:35:06,591 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 16:35:06,591 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 16:35:06,591 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 16:35:06,592 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 16:35:06,592 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 16:35:06,592 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 16:35:06,592 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 16:35:06,592 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 16:35:06,593 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 16:35:06,593 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 16:35:06,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 16:35:06,593 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 16:35:06,593 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 16:35:06,593 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 16:35:06,594 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-18 16:35:06,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 16:35:06,594 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 16:35:06,594 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-04-18 16:35:06,594 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 16:35:06,594 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5fedede1a0cf545b0a275694256164e3eb4f49b22c80042adac647157728b27d [2022-04-18 16:35:06,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 16:35:06,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 16:35:06,838 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 16:35:06,839 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 16:35:06,840 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 16:35:06,841 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-ring-nondet.wvr.c [2022-04-18 16:35:06,899 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ab20f028/c31953598dde47a5958c72fb9030110e/FLAGb19e2f6c3 [2022-04-18 16:35:07,203 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 16:35:07,204 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-ring-nondet.wvr.c [2022-04-18 16:35:07,209 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ab20f028/c31953598dde47a5958c72fb9030110e/FLAGb19e2f6c3 [2022-04-18 16:35:07,643 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ab20f028/c31953598dde47a5958c72fb9030110e [2022-04-18 16:35:07,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 16:35:07,646 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 16:35:07,662 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 16:35:07,662 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 16:35:07,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 16:35:07,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:35:07" (1/1) ... [2022-04-18 16:35:07,666 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72b1dbad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:07, skipping insertion in model container [2022-04-18 16:35:07,666 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:35:07" (1/1) ... [2022-04-18 16:35:07,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 16:35:07,684 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 16:35:07,840 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/popl20-bad-ring-nondet.wvr.c[4085,4098] [2022-04-18 16:35:07,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 16:35:07,858 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 16:35:07,907 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/popl20-bad-ring-nondet.wvr.c[4085,4098] [2022-04-18 16:35:07,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 16:35:07,931 INFO L208 MainTranslator]: Completed translation [2022-04-18 16:35:07,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:07 WrapperNode [2022-04-18 16:35:07,935 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 16:35:07,936 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 16:35:07,937 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 16:35:07,937 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 16:35:07,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:07" (1/1) ... [2022-04-18 16:35:07,973 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:07" (1/1) ... [2022-04-18 16:35:08,006 INFO L137 Inliner]: procedures = 25, calls = 63, calls flagged for inlining = 16, calls inlined = 20, statements flattened = 628 [2022-04-18 16:35:08,013 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 16:35:08,014 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 16:35:08,014 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 16:35:08,015 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 16:35:08,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:07" (1/1) ... [2022-04-18 16:35:08,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:07" (1/1) ... [2022-04-18 16:35:08,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:07" (1/1) ... [2022-04-18 16:35:08,026 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:07" (1/1) ... [2022-04-18 16:35:08,055 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:07" (1/1) ... [2022-04-18 16:35:08,079 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:07" (1/1) ... [2022-04-18 16:35:08,097 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:07" (1/1) ... [2022-04-18 16:35:08,100 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 16:35:08,101 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 16:35:08,101 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 16:35:08,101 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 16:35:08,102 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:07" (1/1) ... [2022-04-18 16:35:08,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 16:35:08,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-18 16:35:08,131 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 16:35:08,138 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 16:35:08,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 16:35:08,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 16:35:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 16:35:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-18 16:35:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-04-18 16:35:08,167 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-04-18 16:35:08,167 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-04-18 16:35:08,167 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-04-18 16:35:08,167 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-04-18 16:35:08,168 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-04-18 16:35:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 16:35:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-04-18 16:35:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-04-18 16:35:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-04-18 16:35:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 16:35:08,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 16:35:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 16:35:08,170 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 16:35:08,263 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 16:35:08,264 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 16:35:09,014 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 16:35:09,320 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 16:35:09,321 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-04-18 16:35:09,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:35:09 BoogieIcfgContainer [2022-04-18 16:35:09,323 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 16:35:09,325 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 16:35:09,325 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 16:35:09,328 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 16:35:09,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 04:35:07" (1/3) ... [2022-04-18 16:35:09,329 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ab270be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:35:09, skipping insertion in model container [2022-04-18 16:35:09,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:07" (2/3) ... [2022-04-18 16:35:09,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ab270be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:35:09, skipping insertion in model container [2022-04-18 16:35:09,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:35:09" (3/3) ... [2022-04-18 16:35:09,331 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-bad-ring-nondet.wvr.c [2022-04-18 16:35:09,335 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 16:35:09,335 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 16:35:09,335 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 93 error locations. [2022-04-18 16:35:09,335 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 16:35:09,449 INFO L135 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-04-18 16:35:09,495 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 16:35:09,500 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 16:35:09,500 INFO L341 AbstractCegarLoop]: Starting to check reachability of 162 error locations. [2022-04-18 16:35:09,511 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 485 places, 501 transitions, 1026 flow [2022-04-18 16:35:09,633 INFO L129 PetriNetUnfolder]: 26/498 cut-off events. [2022-04-18 16:35:09,633 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-04-18 16:35:09,639 INFO L84 FinitePrefix]: Finished finitePrefix Result has 511 conditions, 498 events. 26/498 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 774 event pairs, 0 based on Foata normal form. 0/379 useless extension candidates. Maximal degree in co-relation 420. Up to 4 conditions per place. [2022-04-18 16:35:09,639 INFO L82 GeneralOperation]: Start removeDead. Operand has 485 places, 501 transitions, 1026 flow [2022-04-18 16:35:09,647 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 463 places, 478 transitions, 974 flow [2022-04-18 16:35:09,650 INFO L129 PetriNetUnfolder]: 0/33 cut-off events. [2022-04-18 16:35:09,651 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 16:35:09,651 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:09,651 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] [2022-04-18 16:35:09,652 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-04-18 16:35:09,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:09,656 INFO L85 PathProgramCache]: Analyzing trace with hash -937126247, now seen corresponding path program 1 times [2022-04-18 16:35:09,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:09,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409925411] [2022-04-18 16:35:09,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:09,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:09,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:09,811 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 16:35:09,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:09,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409925411] [2022-04-18 16:35:09,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409925411] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:09,813 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:09,813 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:09,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414609723] [2022-04-18 16:35:09,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:09,821 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:09,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:09,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:09,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:09,855 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 399 out of 501 [2022-04-18 16:35:09,861 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 463 places, 478 transitions, 974 flow. Second operand has 3 states, 3 states have (on average 400.3333333333333) internal successors, (1201), 3 states have internal predecessors, (1201), 0 states have call successors, (0), 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 16:35:09,861 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:09,862 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 399 of 501 [2022-04-18 16:35:09,863 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:10,226 INFO L129 PetriNetUnfolder]: 222/1180 cut-off events. [2022-04-18 16:35:10,226 INFO L130 PetriNetUnfolder]: For 86/105 co-relation queries the response was YES. [2022-04-18 16:35:10,231 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1570 conditions, 1180 events. 222/1180 cut-off events. For 86/105 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 5959 event pairs, 127 based on Foata normal form. 111/1085 useless extension candidates. Maximal degree in co-relation 1121. Up to 315 conditions per place. [2022-04-18 16:35:10,236 INFO L132 encePairwiseOnDemand]: 424/501 looper letters, 23 selfloop transitions, 2 changer transitions 7/403 dead transitions. [2022-04-18 16:35:10,236 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 406 places, 403 transitions, 874 flow [2022-04-18 16:35:10,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:10,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:10,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1297 transitions. [2022-04-18 16:35:10,252 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8629407850964738 [2022-04-18 16:35:10,253 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1297 transitions. [2022-04-18 16:35:10,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1297 transitions. [2022-04-18 16:35:10,256 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:10,258 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1297 transitions. [2022-04-18 16:35:10,264 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 432.3333333333333) internal successors, (1297), 3 states have internal predecessors, (1297), 0 states have call successors, (0), 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 16:35:10,273 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 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 16:35:10,274 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 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 16:35:10,276 INFO L186 Difference]: Start difference. First operand has 463 places, 478 transitions, 974 flow. Second operand 3 states and 1297 transitions. [2022-04-18 16:35:10,276 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 406 places, 403 transitions, 874 flow [2022-04-18 16:35:10,284 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 403 transitions, 862 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-04-18 16:35:10,293 INFO L242 Difference]: Finished difference. Result has 400 places, 396 transitions, 802 flow [2022-04-18 16:35:10,295 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=812, PETRI_DIFFERENCE_MINUEND_PLACES=398, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=403, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=401, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=802, PETRI_PLACES=400, PETRI_TRANSITIONS=396} [2022-04-18 16:35:10,299 INFO L335 CegarLoopForPetriNet]: 463 programPoint places, -63 predicate places. [2022-04-18 16:35:10,299 INFO L478 AbstractCegarLoop]: Abstraction has has 400 places, 396 transitions, 802 flow [2022-04-18 16:35:10,300 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 400.3333333333333) internal successors, (1201), 3 states have internal predecessors, (1201), 0 states have call successors, (0), 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 16:35:10,301 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:10,301 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] [2022-04-18 16:35:10,301 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 16:35:10,301 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-04-18 16:35:10,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:10,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1526265235, now seen corresponding path program 1 times [2022-04-18 16:35:10,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:10,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607598891] [2022-04-18 16:35:10,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:10,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:10,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:10,338 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 16:35:10,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:10,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607598891] [2022-04-18 16:35:10,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607598891] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:10,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:10,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:10,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003681681] [2022-04-18 16:35:10,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:10,340 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:10,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:10,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:10,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:10,342 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 399 out of 501 [2022-04-18 16:35:10,343 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 396 transitions, 802 flow. Second operand has 3 states, 3 states have (on average 400.3333333333333) internal successors, (1201), 3 states have internal predecessors, (1201), 0 states have call successors, (0), 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 16:35:10,343 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:10,344 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 399 of 501 [2022-04-18 16:35:10,344 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:10,595 INFO L129 PetriNetUnfolder]: 235/1094 cut-off events. [2022-04-18 16:35:10,596 INFO L130 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-04-18 16:35:10,600 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1456 conditions, 1094 events. 235/1094 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 5686 event pairs, 127 based on Foata normal form. 0/921 useless extension candidates. Maximal degree in co-relation 1414. Up to 328 conditions per place. [2022-04-18 16:35:10,605 INFO L132 encePairwiseOnDemand]: 498/501 looper letters, 23 selfloop transitions, 2 changer transitions 0/395 dead transitions. [2022-04-18 16:35:10,605 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 394 places, 395 transitions, 850 flow [2022-04-18 16:35:10,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:10,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:10,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1223 transitions. [2022-04-18 16:35:10,608 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8137059214903526 [2022-04-18 16:35:10,608 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1223 transitions. [2022-04-18 16:35:10,608 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1223 transitions. [2022-04-18 16:35:10,609 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:10,609 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1223 transitions. [2022-04-18 16:35:10,611 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 407.6666666666667) internal successors, (1223), 3 states have internal predecessors, (1223), 0 states have call successors, (0), 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 16:35:10,614 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 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 16:35:10,615 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 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 16:35:10,615 INFO L186 Difference]: Start difference. First operand has 400 places, 396 transitions, 802 flow. Second operand 3 states and 1223 transitions. [2022-04-18 16:35:10,615 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 394 places, 395 transitions, 850 flow [2022-04-18 16:35:10,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 392 places, 395 transitions, 846 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:35:10,621 INFO L242 Difference]: Finished difference. Result has 392 places, 395 transitions, 800 flow [2022-04-18 16:35:10,621 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=796, PETRI_DIFFERENCE_MINUEND_PLACES=390, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=395, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=393, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=800, PETRI_PLACES=392, PETRI_TRANSITIONS=395} [2022-04-18 16:35:10,622 INFO L335 CegarLoopForPetriNet]: 463 programPoint places, -71 predicate places. [2022-04-18 16:35:10,622 INFO L478 AbstractCegarLoop]: Abstraction has has 392 places, 395 transitions, 800 flow [2022-04-18 16:35:10,623 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 400.3333333333333) internal successors, (1201), 3 states have internal predecessors, (1201), 0 states have call successors, (0), 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 16:35:10,623 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:10,623 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] [2022-04-18 16:35:10,623 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-18 16:35:10,624 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-04-18 16:35:10,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:10,624 INFO L85 PathProgramCache]: Analyzing trace with hash -92856137, now seen corresponding path program 1 times [2022-04-18 16:35:10,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:10,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242933243] [2022-04-18 16:35:10,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:10,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:10,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:10,669 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 16:35:10,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:10,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242933243] [2022-04-18 16:35:10,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242933243] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:10,671 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:10,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:10,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047699711] [2022-04-18 16:35:10,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:10,672 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:10,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:10,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:10,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:10,674 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 501 [2022-04-18 16:35:10,676 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 392 places, 395 transitions, 800 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 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 16:35:10,676 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:10,676 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 501 [2022-04-18 16:35:10,676 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:10,836 INFO L129 PetriNetUnfolder]: 152/826 cut-off events. [2022-04-18 16:35:10,836 INFO L130 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-04-18 16:35:10,840 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1056 conditions, 826 events. 152/826 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 3332 event pairs, 73 based on Foata normal form. 0/705 useless extension candidates. Maximal degree in co-relation 1007. Up to 208 conditions per place. [2022-04-18 16:35:10,844 INFO L132 encePairwiseOnDemand]: 498/501 looper letters, 20 selfloop transitions, 2 changer transitions 0/394 dead transitions. [2022-04-18 16:35:10,844 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 393 places, 394 transitions, 842 flow [2022-04-18 16:35:10,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:10,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:10,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1229 transitions. [2022-04-18 16:35:10,847 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8176979374584165 [2022-04-18 16:35:10,847 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1229 transitions. [2022-04-18 16:35:10,847 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1229 transitions. [2022-04-18 16:35:10,848 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:10,848 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1229 transitions. [2022-04-18 16:35:10,850 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 409.6666666666667) internal successors, (1229), 3 states have internal predecessors, (1229), 0 states have call successors, (0), 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 16:35:10,852 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 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 16:35:10,853 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 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 16:35:10,854 INFO L186 Difference]: Start difference. First operand has 392 places, 395 transitions, 800 flow. Second operand 3 states and 1229 transitions. [2022-04-18 16:35:10,854 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 393 places, 394 transitions, 842 flow [2022-04-18 16:35:10,856 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 391 places, 394 transitions, 838 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:35:10,860 INFO L242 Difference]: Finished difference. Result has 391 places, 394 transitions, 798 flow [2022-04-18 16:35:10,861 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=794, PETRI_DIFFERENCE_MINUEND_PLACES=389, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=392, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=798, PETRI_PLACES=391, PETRI_TRANSITIONS=394} [2022-04-18 16:35:10,861 INFO L335 CegarLoopForPetriNet]: 463 programPoint places, -72 predicate places. [2022-04-18 16:35:10,862 INFO L478 AbstractCegarLoop]: Abstraction has has 391 places, 394 transitions, 798 flow [2022-04-18 16:35:10,863 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 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 16:35:10,863 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:10,863 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] [2022-04-18 16:35:10,863 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-18 16:35:10,863 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-04-18 16:35:10,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:10,864 INFO L85 PathProgramCache]: Analyzing trace with hash 833465110, now seen corresponding path program 1 times [2022-04-18 16:35:10,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:10,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676716164] [2022-04-18 16:35:10,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:10,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:10,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:10,895 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 16:35:10,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:10,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676716164] [2022-04-18 16:35:10,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676716164] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:10,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:10,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:10,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109445884] [2022-04-18 16:35:10,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:10,904 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:10,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:10,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:10,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:10,906 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 501 [2022-04-18 16:35:10,907 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 394 transitions, 798 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 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 16:35:10,908 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:10,908 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 501 [2022-04-18 16:35:10,908 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:11,076 INFO L129 PetriNetUnfolder]: 152/825 cut-off events. [2022-04-18 16:35:11,076 INFO L130 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-04-18 16:35:11,079 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1055 conditions, 825 events. 152/825 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 3331 event pairs, 73 based on Foata normal form. 0/705 useless extension candidates. Maximal degree in co-relation 999. Up to 208 conditions per place. [2022-04-18 16:35:11,083 INFO L132 encePairwiseOnDemand]: 498/501 looper letters, 20 selfloop transitions, 2 changer transitions 0/393 dead transitions. [2022-04-18 16:35:11,083 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 392 places, 393 transitions, 840 flow [2022-04-18 16:35:11,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:11,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:11,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1229 transitions. [2022-04-18 16:35:11,086 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8176979374584165 [2022-04-18 16:35:11,088 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1229 transitions. [2022-04-18 16:35:11,089 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1229 transitions. [2022-04-18 16:35:11,089 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:11,089 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1229 transitions. [2022-04-18 16:35:11,092 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 409.6666666666667) internal successors, (1229), 3 states have internal predecessors, (1229), 0 states have call successors, (0), 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 16:35:11,095 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 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 16:35:11,096 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 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 16:35:11,096 INFO L186 Difference]: Start difference. First operand has 391 places, 394 transitions, 798 flow. Second operand 3 states and 1229 transitions. [2022-04-18 16:35:11,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 392 places, 393 transitions, 840 flow [2022-04-18 16:35:11,102 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 390 places, 393 transitions, 836 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:35:11,106 INFO L242 Difference]: Finished difference. Result has 390 places, 393 transitions, 796 flow [2022-04-18 16:35:11,106 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=792, PETRI_DIFFERENCE_MINUEND_PLACES=388, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=393, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=391, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=796, PETRI_PLACES=390, PETRI_TRANSITIONS=393} [2022-04-18 16:35:11,108 INFO L335 CegarLoopForPetriNet]: 463 programPoint places, -73 predicate places. [2022-04-18 16:35:11,108 INFO L478 AbstractCegarLoop]: Abstraction has has 390 places, 393 transitions, 796 flow [2022-04-18 16:35:11,109 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 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 16:35:11,109 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:11,109 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] [2022-04-18 16:35:11,109 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-18 16:35:11,109 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-04-18 16:35:11,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:11,110 INFO L85 PathProgramCache]: Analyzing trace with hash 18964724, now seen corresponding path program 1 times [2022-04-18 16:35:11,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:11,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427806728] [2022-04-18 16:35:11,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:11,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:11,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:11,167 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 16:35:11,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:11,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427806728] [2022-04-18 16:35:11,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427806728] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:11,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:11,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:11,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372135398] [2022-04-18 16:35:11,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:11,169 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:11,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:11,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:11,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:11,171 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 501 [2022-04-18 16:35:11,172 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 393 transitions, 796 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 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 16:35:11,172 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:11,173 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 501 [2022-04-18 16:35:11,173 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:11,317 INFO L129 PetriNetUnfolder]: 212/1055 cut-off events. [2022-04-18 16:35:11,317 INFO L130 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-04-18 16:35:11,320 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1373 conditions, 1055 events. 212/1055 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 5463 event pairs, 109 based on Foata normal form. 0/907 useless extension candidates. Maximal degree in co-relation 1309. Up to 287 conditions per place. [2022-04-18 16:35:11,323 INFO L132 encePairwiseOnDemand]: 498/501 looper letters, 19 selfloop transitions, 1 changer transitions 0/391 dead transitions. [2022-04-18 16:35:11,324 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 390 places, 391 transitions, 832 flow [2022-04-18 16:35:11,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:11,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:11,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1228 transitions. [2022-04-18 16:35:11,327 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8170326014637392 [2022-04-18 16:35:11,327 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1228 transitions. [2022-04-18 16:35:11,327 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1228 transitions. [2022-04-18 16:35:11,327 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:11,327 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1228 transitions. [2022-04-18 16:35:11,329 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 409.3333333333333) internal successors, (1228), 3 states have internal predecessors, (1228), 0 states have call successors, (0), 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 16:35:11,331 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 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 16:35:11,332 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 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 16:35:11,333 INFO L186 Difference]: Start difference. First operand has 390 places, 393 transitions, 796 flow. Second operand 3 states and 1228 transitions. [2022-04-18 16:35:11,333 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 390 places, 391 transitions, 832 flow [2022-04-18 16:35:11,338 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 391 transitions, 828 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:35:11,341 INFO L242 Difference]: Finished difference. Result has 388 places, 391 transitions, 790 flow [2022-04-18 16:35:11,342 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=788, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=390, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=790, PETRI_PLACES=388, PETRI_TRANSITIONS=391} [2022-04-18 16:35:11,344 INFO L335 CegarLoopForPetriNet]: 463 programPoint places, -75 predicate places. [2022-04-18 16:35:11,344 INFO L478 AbstractCegarLoop]: Abstraction has has 388 places, 391 transitions, 790 flow [2022-04-18 16:35:11,345 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 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 16:35:11,345 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:11,345 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] [2022-04-18 16:35:11,345 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-18 16:35:11,346 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-04-18 16:35:11,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:11,346 INFO L85 PathProgramCache]: Analyzing trace with hash 919831977, now seen corresponding path program 1 times [2022-04-18 16:35:11,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:11,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905703311] [2022-04-18 16:35:11,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:11,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:11,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:11,413 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 16:35:11,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:11,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905703311] [2022-04-18 16:35:11,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905703311] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:11,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:11,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:11,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986077220] [2022-04-18 16:35:11,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:11,415 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:11,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:11,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:11,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:11,417 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 501 [2022-04-18 16:35:11,418 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 388 places, 391 transitions, 790 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 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 16:35:11,418 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:11,418 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 501 [2022-04-18 16:35:11,418 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:11,607 INFO L129 PetriNetUnfolder]: 242/1337 cut-off events. [2022-04-18 16:35:11,608 INFO L130 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-04-18 16:35:11,611 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1684 conditions, 1337 events. 242/1337 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 7218 event pairs, 127 based on Foata normal form. 0/1095 useless extension candidates. Maximal degree in co-relation 1621. Up to 314 conditions per place. [2022-04-18 16:35:11,616 INFO L132 encePairwiseOnDemand]: 498/501 looper letters, 20 selfloop transitions, 2 changer transitions 0/390 dead transitions. [2022-04-18 16:35:11,616 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 390 transitions, 832 flow [2022-04-18 16:35:11,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:11,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:11,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1229 transitions. [2022-04-18 16:35:11,618 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8176979374584165 [2022-04-18 16:35:11,618 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1229 transitions. [2022-04-18 16:35:11,619 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1229 transitions. [2022-04-18 16:35:11,619 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:11,619 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1229 transitions. [2022-04-18 16:35:11,621 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 409.6666666666667) internal successors, (1229), 3 states have internal predecessors, (1229), 0 states have call successors, (0), 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 16:35:11,623 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 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 16:35:11,624 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 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 16:35:11,624 INFO L186 Difference]: Start difference. First operand has 388 places, 391 transitions, 790 flow. Second operand 3 states and 1229 transitions. [2022-04-18 16:35:11,624 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 390 transitions, 832 flow [2022-04-18 16:35:11,626 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 390 transitions, 831 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:35:11,629 INFO L242 Difference]: Finished difference. Result has 388 places, 390 transitions, 791 flow [2022-04-18 16:35:11,630 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=787, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=390, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=388, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=791, PETRI_PLACES=388, PETRI_TRANSITIONS=390} [2022-04-18 16:35:11,630 INFO L335 CegarLoopForPetriNet]: 463 programPoint places, -75 predicate places. [2022-04-18 16:35:11,630 INFO L478 AbstractCegarLoop]: Abstraction has has 388 places, 390 transitions, 791 flow [2022-04-18 16:35:11,631 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 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 16:35:11,631 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:11,631 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 16:35:11,631 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-18 16:35:11,631 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-04-18 16:35:11,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:11,632 INFO L85 PathProgramCache]: Analyzing trace with hash -154468341, now seen corresponding path program 1 times [2022-04-18 16:35:11,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:11,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184282625] [2022-04-18 16:35:11,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:11,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:11,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:11,777 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 16:35:11,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:11,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184282625] [2022-04-18 16:35:11,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184282625] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:11,778 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:11,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:35:11,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433433672] [2022-04-18 16:35:11,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:11,779 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:35:11,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:11,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:35:11,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:35:11,781 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 336 out of 501 [2022-04-18 16:35:11,782 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 388 places, 390 transitions, 791 flow. Second operand has 6 states, 6 states have (on average 337.8333333333333) internal successors, (2027), 6 states have internal predecessors, (2027), 0 states have call successors, (0), 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 16:35:11,782 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:11,782 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 336 of 501 [2022-04-18 16:35:11,782 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:12,776 INFO L129 PetriNetUnfolder]: 2275/5563 cut-off events. [2022-04-18 16:35:12,777 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 16:35:12,791 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8541 conditions, 5563 events. 2275/5563 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 170. Compared 42327 event pairs, 1471 based on Foata normal form. 0/4696 useless extension candidates. Maximal degree in co-relation 8479. Up to 2918 conditions per place. [2022-04-18 16:35:12,815 INFO L132 encePairwiseOnDemand]: 483/501 looper letters, 71 selfloop transitions, 15 changer transitions 0/387 dead transitions. [2022-04-18 16:35:12,816 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 390 places, 387 transitions, 957 flow [2022-04-18 16:35:12,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:35:12,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 16:35:12,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2105 transitions. [2022-04-18 16:35:12,820 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7002661343978709 [2022-04-18 16:35:12,820 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2105 transitions. [2022-04-18 16:35:12,820 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2105 transitions. [2022-04-18 16:35:12,821 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:12,821 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2105 transitions. [2022-04-18 16:35:12,824 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 350.8333333333333) internal successors, (2105), 6 states have internal predecessors, (2105), 0 states have call successors, (0), 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 16:35:12,827 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 501.0) internal successors, (3507), 7 states have internal predecessors, (3507), 0 states have call successors, (0), 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 16:35:12,828 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 501.0) internal successors, (3507), 7 states have internal predecessors, (3507), 0 states have call successors, (0), 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 16:35:12,828 INFO L186 Difference]: Start difference. First operand has 388 places, 390 transitions, 791 flow. Second operand 6 states and 2105 transitions. [2022-04-18 16:35:12,828 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 390 places, 387 transitions, 957 flow [2022-04-18 16:35:12,832 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 387 transitions, 953 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:35:12,835 INFO L242 Difference]: Finished difference. Result has 388 places, 387 transitions, 811 flow [2022-04-18 16:35:12,836 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=781, PETRI_DIFFERENCE_MINUEND_PLACES=383, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=387, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=811, PETRI_PLACES=388, PETRI_TRANSITIONS=387} [2022-04-18 16:35:12,837 INFO L335 CegarLoopForPetriNet]: 463 programPoint places, -75 predicate places. [2022-04-18 16:35:12,837 INFO L478 AbstractCegarLoop]: Abstraction has has 388 places, 387 transitions, 811 flow [2022-04-18 16:35:12,837 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 337.8333333333333) internal successors, (2027), 6 states have internal predecessors, (2027), 0 states have call successors, (0), 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 16:35:12,838 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:12,838 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] [2022-04-18 16:35:12,838 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-04-18 16:35:12,838 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-04-18 16:35:12,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:12,839 INFO L85 PathProgramCache]: Analyzing trace with hash -197985190, now seen corresponding path program 1 times [2022-04-18 16:35:12,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:12,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617049166] [2022-04-18 16:35:12,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:12,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:12,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:12,862 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 16:35:12,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:12,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617049166] [2022-04-18 16:35:12,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617049166] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:12,863 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:12,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:12,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100613496] [2022-04-18 16:35:12,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:12,864 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:12,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:12,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:12,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:12,885 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 501 [2022-04-18 16:35:12,886 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 388 places, 387 transitions, 811 flow. Second operand has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 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 16:35:12,886 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:12,886 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 501 [2022-04-18 16:35:12,887 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:13,005 INFO L129 PetriNetUnfolder]: 152/817 cut-off events. [2022-04-18 16:35:13,005 INFO L130 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-04-18 16:35:13,009 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1057 conditions, 817 events. 152/817 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 3277 event pairs, 73 based on Foata normal form. 0/705 useless extension candidates. Maximal degree in co-relation 1009. Up to 203 conditions per place. [2022-04-18 16:35:13,012 INFO L132 encePairwiseOnDemand]: 499/501 looper letters, 17 selfloop transitions, 1 changer transitions 0/386 dead transitions. [2022-04-18 16:35:13,012 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 386 transitions, 845 flow [2022-04-18 16:35:13,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:13,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:13,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1234 transitions. [2022-04-18 16:35:13,015 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8210246174318031 [2022-04-18 16:35:13,015 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1234 transitions. [2022-04-18 16:35:13,015 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1234 transitions. [2022-04-18 16:35:13,016 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:13,016 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1234 transitions. [2022-04-18 16:35:13,018 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 411.3333333333333) internal successors, (1234), 3 states have internal predecessors, (1234), 0 states have call successors, (0), 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 16:35:13,019 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 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 16:35:13,020 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 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 16:35:13,020 INFO L186 Difference]: Start difference. First operand has 388 places, 387 transitions, 811 flow. Second operand 3 states and 1234 transitions. [2022-04-18 16:35:13,020 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 386 transitions, 845 flow [2022-04-18 16:35:13,023 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 386 transitions, 815 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-04-18 16:35:13,026 INFO L242 Difference]: Finished difference. Result has 384 places, 386 transitions, 781 flow [2022-04-18 16:35:13,027 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=779, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=386, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=385, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=781, PETRI_PLACES=384, PETRI_TRANSITIONS=386} [2022-04-18 16:35:13,027 INFO L335 CegarLoopForPetriNet]: 463 programPoint places, -79 predicate places. [2022-04-18 16:35:13,027 INFO L478 AbstractCegarLoop]: Abstraction has has 384 places, 386 transitions, 781 flow [2022-04-18 16:35:13,028 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 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 16:35:13,028 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:13,028 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] [2022-04-18 16:35:13,028 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-04-18 16:35:13,029 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-04-18 16:35:13,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:13,029 INFO L85 PathProgramCache]: Analyzing trace with hash 2027387833, now seen corresponding path program 1 times [2022-04-18 16:35:13,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:13,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677827433] [2022-04-18 16:35:13,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:13,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:13,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:13,057 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 16:35:13,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:13,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677827433] [2022-04-18 16:35:13,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677827433] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:13,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:13,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:13,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48106775] [2022-04-18 16:35:13,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:13,059 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:13,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:13,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:13,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:13,061 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 501 [2022-04-18 16:35:13,062 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 386 transitions, 781 flow. Second operand has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 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 16:35:13,062 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:13,062 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 501 [2022-04-18 16:35:13,062 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:13,188 INFO L129 PetriNetUnfolder]: 152/816 cut-off events. [2022-04-18 16:35:13,188 INFO L130 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-04-18 16:35:13,192 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1043 conditions, 816 events. 152/816 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 3298 event pairs, 73 based on Foata normal form. 0/705 useless extension candidates. Maximal degree in co-relation 980. Up to 205 conditions per place. [2022-04-18 16:35:13,196 INFO L132 encePairwiseOnDemand]: 498/501 looper letters, 17 selfloop transitions, 2 changer transitions 0/385 dead transitions. [2022-04-18 16:35:13,196 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 385 transitions, 817 flow [2022-04-18 16:35:13,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:13,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:13,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1235 transitions. [2022-04-18 16:35:13,200 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8216899534264803 [2022-04-18 16:35:13,200 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1235 transitions. [2022-04-18 16:35:13,200 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1235 transitions. [2022-04-18 16:35:13,201 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:13,201 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1235 transitions. [2022-04-18 16:35:13,203 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 411.6666666666667) internal successors, (1235), 3 states have internal predecessors, (1235), 0 states have call successors, (0), 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 16:35:13,205 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 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 16:35:13,205 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 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 16:35:13,206 INFO L186 Difference]: Start difference. First operand has 384 places, 386 transitions, 781 flow. Second operand 3 states and 1235 transitions. [2022-04-18 16:35:13,206 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 385 transitions, 817 flow [2022-04-18 16:35:13,208 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 385 transitions, 816 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:35:13,211 INFO L242 Difference]: Finished difference. Result has 384 places, 385 transitions, 782 flow [2022-04-18 16:35:13,212 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=778, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=383, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=782, PETRI_PLACES=384, PETRI_TRANSITIONS=385} [2022-04-18 16:35:13,212 INFO L335 CegarLoopForPetriNet]: 463 programPoint places, -79 predicate places. [2022-04-18 16:35:13,212 INFO L478 AbstractCegarLoop]: Abstraction has has 384 places, 385 transitions, 782 flow [2022-04-18 16:35:13,213 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 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 16:35:13,213 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:13,214 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] [2022-04-18 16:35:13,214 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-04-18 16:35:13,214 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-04-18 16:35:13,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:13,214 INFO L85 PathProgramCache]: Analyzing trace with hash 137316523, now seen corresponding path program 1 times [2022-04-18 16:35:13,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:13,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356283492] [2022-04-18 16:35:13,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:13,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:13,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:13,242 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 16:35:13,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:13,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356283492] [2022-04-18 16:35:13,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356283492] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:13,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:13,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:13,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652912715] [2022-04-18 16:35:13,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:13,244 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:13,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:13,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:13,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:13,245 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 501 [2022-04-18 16:35:13,246 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 385 transitions, 782 flow. Second operand has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 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 16:35:13,246 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:13,247 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 501 [2022-04-18 16:35:13,247 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:13,373 INFO L129 PetriNetUnfolder]: 152/815 cut-off events. [2022-04-18 16:35:13,374 INFO L130 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-04-18 16:35:13,376 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1043 conditions, 815 events. 152/815 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 3294 event pairs, 73 based on Foata normal form. 0/705 useless extension candidates. Maximal degree in co-relation 979. Up to 203 conditions per place. [2022-04-18 16:35:13,382 INFO L132 encePairwiseOnDemand]: 499/501 looper letters, 17 selfloop transitions, 1 changer transitions 0/384 dead transitions. [2022-04-18 16:35:13,383 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 384 transitions, 816 flow [2022-04-18 16:35:13,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:13,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:13,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1234 transitions. [2022-04-18 16:35:13,386 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8210246174318031 [2022-04-18 16:35:13,386 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1234 transitions. [2022-04-18 16:35:13,386 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1234 transitions. [2022-04-18 16:35:13,387 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:13,387 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1234 transitions. [2022-04-18 16:35:13,388 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 411.3333333333333) internal successors, (1234), 3 states have internal predecessors, (1234), 0 states have call successors, (0), 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 16:35:13,390 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 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 16:35:13,391 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 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 16:35:13,391 INFO L186 Difference]: Start difference. First operand has 384 places, 385 transitions, 782 flow. Second operand 3 states and 1234 transitions. [2022-04-18 16:35:13,391 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 384 transitions, 816 flow [2022-04-18 16:35:13,393 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 384 transitions, 812 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:35:13,396 INFO L242 Difference]: Finished difference. Result has 383 places, 384 transitions, 778 flow [2022-04-18 16:35:13,397 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=776, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=384, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=383, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=778, PETRI_PLACES=383, PETRI_TRANSITIONS=384} [2022-04-18 16:35:13,399 INFO L335 CegarLoopForPetriNet]: 463 programPoint places, -80 predicate places. [2022-04-18 16:35:13,399 INFO L478 AbstractCegarLoop]: Abstraction has has 383 places, 384 transitions, 778 flow [2022-04-18 16:35:13,400 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 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 16:35:13,400 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:13,400 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] [2022-04-18 16:35:13,400 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-04-18 16:35:13,400 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-04-18 16:35:13,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:13,401 INFO L85 PathProgramCache]: Analyzing trace with hash -1473717602, now seen corresponding path program 1 times [2022-04-18 16:35:13,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:13,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131342140] [2022-04-18 16:35:13,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:13,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:13,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:13,446 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 16:35:13,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:13,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131342140] [2022-04-18 16:35:13,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131342140] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:13,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:13,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:13,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793354599] [2022-04-18 16:35:13,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:13,447 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:13,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:13,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:13,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:13,449 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 501 [2022-04-18 16:35:13,450 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 384 transitions, 778 flow. Second operand has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 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 16:35:13,450 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:13,450 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 501 [2022-04-18 16:35:13,450 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:13,554 INFO L129 PetriNetUnfolder]: 152/814 cut-off events. [2022-04-18 16:35:13,555 INFO L130 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-04-18 16:35:13,558 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1042 conditions, 814 events. 152/814 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 3297 event pairs, 73 based on Foata normal form. 0/705 useless extension candidates. Maximal degree in co-relation 979. Up to 205 conditions per place. [2022-04-18 16:35:13,560 INFO L132 encePairwiseOnDemand]: 498/501 looper letters, 17 selfloop transitions, 2 changer transitions 0/383 dead transitions. [2022-04-18 16:35:13,561 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 383 transitions, 814 flow [2022-04-18 16:35:13,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:13,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:13,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1235 transitions. [2022-04-18 16:35:13,563 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8216899534264803 [2022-04-18 16:35:13,563 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1235 transitions. [2022-04-18 16:35:13,564 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1235 transitions. [2022-04-18 16:35:13,564 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:13,564 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1235 transitions. [2022-04-18 16:35:13,566 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 411.6666666666667) internal successors, (1235), 3 states have internal predecessors, (1235), 0 states have call successors, (0), 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 16:35:13,567 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 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 16:35:13,568 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 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 16:35:13,568 INFO L186 Difference]: Start difference. First operand has 383 places, 384 transitions, 778 flow. Second operand 3 states and 1235 transitions. [2022-04-18 16:35:13,568 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 383 transitions, 814 flow [2022-04-18 16:35:13,570 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 383 transitions, 813 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:35:13,573 INFO L242 Difference]: Finished difference. Result has 383 places, 383 transitions, 779 flow [2022-04-18 16:35:13,574 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=775, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=779, PETRI_PLACES=383, PETRI_TRANSITIONS=383} [2022-04-18 16:35:13,575 INFO L335 CegarLoopForPetriNet]: 463 programPoint places, -80 predicate places. [2022-04-18 16:35:13,575 INFO L478 AbstractCegarLoop]: Abstraction has has 383 places, 383 transitions, 779 flow [2022-04-18 16:35:13,576 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 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 16:35:13,576 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:13,576 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] [2022-04-18 16:35:13,576 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-04-18 16:35:13,576 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-04-18 16:35:13,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:13,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1875088679, now seen corresponding path program 1 times [2022-04-18 16:35:13,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:13,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748949909] [2022-04-18 16:35:13,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:13,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:13,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:13,626 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 16:35:13,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:13,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748949909] [2022-04-18 16:35:13,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748949909] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:13,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:13,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:13,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720906273] [2022-04-18 16:35:13,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:13,627 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:13,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:13,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:13,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:13,629 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 501 [2022-04-18 16:35:13,629 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 383 transitions, 779 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 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 16:35:13,629 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:13,629 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 501 [2022-04-18 16:35:13,629 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:13,738 INFO L129 PetriNetUnfolder]: 152/813 cut-off events. [2022-04-18 16:35:13,738 INFO L130 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-04-18 16:35:13,742 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1046 conditions, 813 events. 152/813 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 3273 event pairs, 73 based on Foata normal form. 0/705 useless extension candidates. Maximal degree in co-relation 983. Up to 208 conditions per place. [2022-04-18 16:35:13,745 INFO L132 encePairwiseOnDemand]: 498/501 looper letters, 20 selfloop transitions, 2 changer transitions 0/382 dead transitions. [2022-04-18 16:35:13,745 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 382 transitions, 821 flow [2022-04-18 16:35:13,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:13,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:13,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1229 transitions. [2022-04-18 16:35:13,749 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8176979374584165 [2022-04-18 16:35:13,749 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1229 transitions. [2022-04-18 16:35:13,749 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1229 transitions. [2022-04-18 16:35:13,749 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:13,750 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1229 transitions. [2022-04-18 16:35:13,751 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 409.6666666666667) internal successors, (1229), 3 states have internal predecessors, (1229), 0 states have call successors, (0), 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 16:35:13,755 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 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 16:35:13,755 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 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 16:35:13,756 INFO L186 Difference]: Start difference. First operand has 383 places, 383 transitions, 779 flow. Second operand 3 states and 1229 transitions. [2022-04-18 16:35:13,756 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 382 transitions, 821 flow [2022-04-18 16:35:13,758 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 382 transitions, 817 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:35:13,775 INFO L242 Difference]: Finished difference. Result has 382 places, 382 transitions, 777 flow [2022-04-18 16:35:13,776 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=773, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=380, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=777, PETRI_PLACES=382, PETRI_TRANSITIONS=382} [2022-04-18 16:35:13,777 INFO L335 CegarLoopForPetriNet]: 463 programPoint places, -81 predicate places. [2022-04-18 16:35:13,777 INFO L478 AbstractCegarLoop]: Abstraction has has 382 places, 382 transitions, 777 flow [2022-04-18 16:35:13,777 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 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 16:35:13,777 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:13,778 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] [2022-04-18 16:35:13,778 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-04-18 16:35:13,778 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-04-18 16:35:13,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:13,778 INFO L85 PathProgramCache]: Analyzing trace with hash -134106418, now seen corresponding path program 1 times [2022-04-18 16:35:13,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:13,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43298246] [2022-04-18 16:35:13,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:13,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:13,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:13,814 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 16:35:13,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:13,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43298246] [2022-04-18 16:35:13,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43298246] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:13,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:13,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:13,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586079854] [2022-04-18 16:35:13,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:13,816 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:13,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:13,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:13,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:13,817 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 501 [2022-04-18 16:35:13,818 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 382 transitions, 777 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 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 16:35:13,818 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:13,818 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 501 [2022-04-18 16:35:13,819 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:13,950 INFO L129 PetriNetUnfolder]: 152/812 cut-off events. [2022-04-18 16:35:13,951 INFO L130 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-04-18 16:35:13,954 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1045 conditions, 812 events. 152/812 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 3273 event pairs, 73 based on Foata normal form. 0/705 useless extension candidates. Maximal degree in co-relation 982. Up to 208 conditions per place. [2022-04-18 16:35:13,956 INFO L132 encePairwiseOnDemand]: 498/501 looper letters, 20 selfloop transitions, 2 changer transitions 0/381 dead transitions. [2022-04-18 16:35:13,956 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 381 transitions, 819 flow [2022-04-18 16:35:13,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:13,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:13,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1229 transitions. [2022-04-18 16:35:13,958 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8176979374584165 [2022-04-18 16:35:13,958 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1229 transitions. [2022-04-18 16:35:13,958 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1229 transitions. [2022-04-18 16:35:13,959 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:13,959 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1229 transitions. [2022-04-18 16:35:13,961 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 409.6666666666667) internal successors, (1229), 3 states have internal predecessors, (1229), 0 states have call successors, (0), 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 16:35:13,963 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 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 16:35:13,963 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 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 16:35:13,963 INFO L186 Difference]: Start difference. First operand has 382 places, 382 transitions, 777 flow. Second operand 3 states and 1229 transitions. [2022-04-18 16:35:13,963 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 381 transitions, 819 flow [2022-04-18 16:35:13,965 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 381 transitions, 815 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:35:13,968 INFO L242 Difference]: Finished difference. Result has 381 places, 381 transitions, 775 flow [2022-04-18 16:35:13,968 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=771, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=379, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=775, PETRI_PLACES=381, PETRI_TRANSITIONS=381} [2022-04-18 16:35:13,969 INFO L335 CegarLoopForPetriNet]: 463 programPoint places, -82 predicate places. [2022-04-18 16:35:13,969 INFO L478 AbstractCegarLoop]: Abstraction has has 381 places, 381 transitions, 775 flow [2022-04-18 16:35:13,969 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 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 16:35:13,969 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:13,969 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, 1, 1, 1, 1] [2022-04-18 16:35:13,969 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-04-18 16:35:13,970 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-04-18 16:35:13,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:13,970 INFO L85 PathProgramCache]: Analyzing trace with hash -236139500, now seen corresponding path program 1 times [2022-04-18 16:35:13,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:13,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404826580] [2022-04-18 16:35:13,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:13,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:13,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:13,998 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 16:35:13,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:13,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404826580] [2022-04-18 16:35:13,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404826580] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:13,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:13,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:13,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589525192] [2022-04-18 16:35:13,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:13,999 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:13,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:13,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:13,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:14,000 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 501 [2022-04-18 16:35:14,001 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 381 transitions, 775 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 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 16:35:14,001 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:14,001 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 501 [2022-04-18 16:35:14,001 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:14,103 INFO L129 PetriNetUnfolder]: 152/811 cut-off events. [2022-04-18 16:35:14,103 INFO L130 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-04-18 16:35:14,106 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1044 conditions, 811 events. 152/811 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 3283 event pairs, 73 based on Foata normal form. 0/705 useless extension candidates. Maximal degree in co-relation 981. Up to 208 conditions per place. [2022-04-18 16:35:14,109 INFO L132 encePairwiseOnDemand]: 498/501 looper letters, 20 selfloop transitions, 2 changer transitions 0/380 dead transitions. [2022-04-18 16:35:14,109 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 382 places, 380 transitions, 817 flow [2022-04-18 16:35:14,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:14,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:14,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1229 transitions. [2022-04-18 16:35:14,111 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8176979374584165 [2022-04-18 16:35:14,111 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1229 transitions. [2022-04-18 16:35:14,112 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1229 transitions. [2022-04-18 16:35:14,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:14,112 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1229 transitions. [2022-04-18 16:35:14,114 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 409.6666666666667) internal successors, (1229), 3 states have internal predecessors, (1229), 0 states have call successors, (0), 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 16:35:14,115 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 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 16:35:14,116 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 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 16:35:14,116 INFO L186 Difference]: Start difference. First operand has 381 places, 381 transitions, 775 flow. Second operand 3 states and 1229 transitions. [2022-04-18 16:35:14,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 382 places, 380 transitions, 817 flow [2022-04-18 16:35:14,118 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 380 transitions, 813 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:35:14,120 INFO L242 Difference]: Finished difference. Result has 380 places, 380 transitions, 773 flow [2022-04-18 16:35:14,121 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=769, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=773, PETRI_PLACES=380, PETRI_TRANSITIONS=380} [2022-04-18 16:35:14,121 INFO L335 CegarLoopForPetriNet]: 463 programPoint places, -83 predicate places. [2022-04-18 16:35:14,121 INFO L478 AbstractCegarLoop]: Abstraction has has 380 places, 380 transitions, 773 flow [2022-04-18 16:35:14,122 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 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 16:35:14,122 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:14,122 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:14,122 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-04-18 16:35:14,122 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-04-18 16:35:14,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:14,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1529021287, now seen corresponding path program 1 times [2022-04-18 16:35:14,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:14,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321183551] [2022-04-18 16:35:14,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:14,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:14,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:14,150 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 16:35:14,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:14,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321183551] [2022-04-18 16:35:14,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321183551] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:14,150 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:14,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:14,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563124502] [2022-04-18 16:35:14,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:14,151 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:14,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:14,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:14,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:14,152 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 501 [2022-04-18 16:35:14,153 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 380 transitions, 773 flow. Second operand has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 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 16:35:14,153 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:14,153 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 501 [2022-04-18 16:35:14,153 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:14,271 INFO L129 PetriNetUnfolder]: 154/906 cut-off events. [2022-04-18 16:35:14,272 INFO L130 PetriNetUnfolder]: For 13/14 co-relation queries the response was YES. [2022-04-18 16:35:14,275 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1135 conditions, 906 events. 154/906 cut-off events. For 13/14 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 3877 event pairs, 55 based on Foata normal form. 0/783 useless extension candidates. Maximal degree in co-relation 1073. Up to 154 conditions per place. [2022-04-18 16:35:14,278 INFO L132 encePairwiseOnDemand]: 498/501 looper letters, 25 selfloop transitions, 2 changer transitions 0/388 dead transitions. [2022-04-18 16:35:14,278 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 388 transitions, 845 flow [2022-04-18 16:35:14,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:14,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:14,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1243 transitions. [2022-04-18 16:35:14,280 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8270126413838988 [2022-04-18 16:35:14,281 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1243 transitions. [2022-04-18 16:35:14,281 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1243 transitions. [2022-04-18 16:35:14,281 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:14,281 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1243 transitions. [2022-04-18 16:35:14,283 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 414.3333333333333) internal successors, (1243), 3 states have internal predecessors, (1243), 0 states have call successors, (0), 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 16:35:14,285 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 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 16:35:14,285 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 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 16:35:14,285 INFO L186 Difference]: Start difference. First operand has 380 places, 380 transitions, 773 flow. Second operand 3 states and 1243 transitions. [2022-04-18 16:35:14,285 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 388 transitions, 845 flow [2022-04-18 16:35:14,287 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 388 transitions, 841 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:35:14,291 INFO L242 Difference]: Finished difference. Result has 380 places, 380 transitions, 777 flow [2022-04-18 16:35:14,292 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=767, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=377, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=777, PETRI_PLACES=380, PETRI_TRANSITIONS=380} [2022-04-18 16:35:14,292 INFO L335 CegarLoopForPetriNet]: 463 programPoint places, -83 predicate places. [2022-04-18 16:35:14,292 INFO L478 AbstractCegarLoop]: Abstraction has has 380 places, 380 transitions, 777 flow [2022-04-18 16:35:14,292 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 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 16:35:14,292 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:14,293 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:14,293 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-04-18 16:35:14,293 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-04-18 16:35:14,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:14,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1160402788, now seen corresponding path program 1 times [2022-04-18 16:35:14,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:14,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350571935] [2022-04-18 16:35:14,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:14,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:14,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:14,321 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 16:35:14,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:14,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350571935] [2022-04-18 16:35:14,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350571935] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:14,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:14,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:14,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144377379] [2022-04-18 16:35:14,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:14,322 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:14,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:14,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:14,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:14,323 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 396 out of 501 [2022-04-18 16:35:14,324 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 380 transitions, 777 flow. Second operand has 3 states, 3 states have (on average 397.3333333333333) internal successors, (1192), 3 states have internal predecessors, (1192), 0 states have call successors, (0), 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 16:35:14,324 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:14,324 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 396 of 501 [2022-04-18 16:35:14,324 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:14,539 INFO L129 PetriNetUnfolder]: 397/1564 cut-off events. [2022-04-18 16:35:14,539 INFO L130 PetriNetUnfolder]: For 124/124 co-relation queries the response was YES. [2022-04-18 16:35:14,544 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2343 conditions, 1564 events. 397/1564 cut-off events. For 124/124 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 9172 event pairs, 235 based on Foata normal form. 0/1322 useless extension candidates. Maximal degree in co-relation 2279. Up to 553 conditions per place. [2022-04-18 16:35:14,549 INFO L132 encePairwiseOnDemand]: 498/501 looper letters, 27 selfloop transitions, 2 changer transitions 0/379 dead transitions. [2022-04-18 16:35:14,549 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 379 transitions, 833 flow [2022-04-18 16:35:14,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:14,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:14,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1217 transitions. [2022-04-18 16:35:14,552 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8097139055222887 [2022-04-18 16:35:14,552 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1217 transitions. [2022-04-18 16:35:14,552 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1217 transitions. [2022-04-18 16:35:14,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:14,553 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1217 transitions. [2022-04-18 16:35:14,554 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 405.6666666666667) internal successors, (1217), 3 states have internal predecessors, (1217), 0 states have call successors, (0), 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 16:35:14,556 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 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 16:35:14,556 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 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 16:35:14,557 INFO L186 Difference]: Start difference. First operand has 380 places, 380 transitions, 777 flow. Second operand 3 states and 1217 transitions. [2022-04-18 16:35:14,557 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 379 transitions, 833 flow [2022-04-18 16:35:14,558 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 379 transitions, 831 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:35:14,561 INFO L242 Difference]: Finished difference. Result has 380 places, 379 transitions, 777 flow [2022-04-18 16:35:14,562 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=773, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=377, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=777, PETRI_PLACES=380, PETRI_TRANSITIONS=379} [2022-04-18 16:35:14,562 INFO L335 CegarLoopForPetriNet]: 463 programPoint places, -83 predicate places. [2022-04-18 16:35:14,562 INFO L478 AbstractCegarLoop]: Abstraction has has 380 places, 379 transitions, 777 flow [2022-04-18 16:35:14,562 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 397.3333333333333) internal successors, (1192), 3 states have internal predecessors, (1192), 0 states have call successors, (0), 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 16:35:14,562 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:14,562 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:14,563 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-04-18 16:35:14,563 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-04-18 16:35:14,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:14,563 INFO L85 PathProgramCache]: Analyzing trace with hash -630622702, now seen corresponding path program 1 times [2022-04-18 16:35:14,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:14,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747128833] [2022-04-18 16:35:14,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:14,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:14,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:14,589 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 16:35:14,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:14,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747128833] [2022-04-18 16:35:14,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747128833] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:14,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:14,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:14,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804657300] [2022-04-18 16:35:14,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:14,590 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:14,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:14,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:14,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:14,592 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 501 [2022-04-18 16:35:14,593 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 379 transitions, 777 flow. Second operand has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 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 16:35:14,593 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:14,593 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 501 [2022-04-18 16:35:14,593 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:14,728 INFO L129 PetriNetUnfolder]: 158/972 cut-off events. [2022-04-18 16:35:14,728 INFO L130 PetriNetUnfolder]: For 51/52 co-relation queries the response was YES. [2022-04-18 16:35:14,732 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1250 conditions, 972 events. 158/972 cut-off events. For 51/52 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 4275 event pairs, 37 based on Foata normal form. 0/830 useless extension candidates. Maximal degree in co-relation 1187. Up to 126 conditions per place. [2022-04-18 16:35:14,735 INFO L132 encePairwiseOnDemand]: 498/501 looper letters, 27 selfloop transitions, 2 changer transitions 0/388 dead transitions. [2022-04-18 16:35:14,735 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 388 transitions, 859 flow [2022-04-18 16:35:14,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:14,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:14,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1243 transitions. [2022-04-18 16:35:14,738 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8270126413838988 [2022-04-18 16:35:14,738 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1243 transitions. [2022-04-18 16:35:14,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1243 transitions. [2022-04-18 16:35:14,738 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:14,738 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1243 transitions. [2022-04-18 16:35:14,740 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 414.3333333333333) internal successors, (1243), 3 states have internal predecessors, (1243), 0 states have call successors, (0), 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 16:35:14,742 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 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 16:35:14,742 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 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 16:35:14,742 INFO L186 Difference]: Start difference. First operand has 380 places, 379 transitions, 777 flow. Second operand 3 states and 1243 transitions. [2022-04-18 16:35:14,742 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 388 transitions, 859 flow [2022-04-18 16:35:14,744 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 388 transitions, 855 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:35:14,747 INFO L242 Difference]: Finished difference. Result has 380 places, 379 transitions, 781 flow [2022-04-18 16:35:14,748 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=771, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=781, PETRI_PLACES=380, PETRI_TRANSITIONS=379} [2022-04-18 16:35:14,748 INFO L335 CegarLoopForPetriNet]: 463 programPoint places, -83 predicate places. [2022-04-18 16:35:14,748 INFO L478 AbstractCegarLoop]: Abstraction has has 380 places, 379 transitions, 781 flow [2022-04-18 16:35:14,749 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 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 16:35:14,749 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:14,749 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:14,749 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-04-18 16:35:14,749 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-04-18 16:35:14,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:14,750 INFO L85 PathProgramCache]: Analyzing trace with hash 17704102, now seen corresponding path program 1 times [2022-04-18 16:35:14,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:14,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573124018] [2022-04-18 16:35:14,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:14,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:14,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:14,783 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 16:35:14,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:14,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573124018] [2022-04-18 16:35:14,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573124018] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:14,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:14,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:14,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058512412] [2022-04-18 16:35:14,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:14,784 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:14,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:14,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:14,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:14,785 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 501 [2022-04-18 16:35:14,786 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 379 transitions, 781 flow. Second operand has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 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 16:35:14,786 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:14,786 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 501 [2022-04-18 16:35:14,786 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:14,909 INFO L129 PetriNetUnfolder]: 152/825 cut-off events. [2022-04-18 16:35:14,909 INFO L130 PetriNetUnfolder]: For 84/84 co-relation queries the response was YES. [2022-04-18 16:35:14,913 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1152 conditions, 825 events. 152/825 cut-off events. For 84/84 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 3419 event pairs, 73 based on Foata normal form. 0/723 useless extension candidates. Maximal degree in co-relation 1087. Up to 214 conditions per place. [2022-04-18 16:35:14,915 INFO L132 encePairwiseOnDemand]: 498/501 looper letters, 19 selfloop transitions, 2 changer transitions 0/378 dead transitions. [2022-04-18 16:35:14,915 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 378 transitions, 821 flow [2022-04-18 16:35:14,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:14,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:14,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1235 transitions. [2022-04-18 16:35:14,918 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8216899534264803 [2022-04-18 16:35:14,918 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1235 transitions. [2022-04-18 16:35:14,918 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1235 transitions. [2022-04-18 16:35:14,918 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:14,918 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1235 transitions. [2022-04-18 16:35:14,920 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 411.6666666666667) internal successors, (1235), 3 states have internal predecessors, (1235), 0 states have call successors, (0), 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 16:35:14,922 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 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 16:35:14,922 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 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 16:35:14,922 INFO L186 Difference]: Start difference. First operand has 380 places, 379 transitions, 781 flow. Second operand 3 states and 1235 transitions. [2022-04-18 16:35:14,922 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 378 transitions, 821 flow [2022-04-18 16:35:14,926 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 378 transitions, 819 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:35:14,929 INFO L242 Difference]: Finished difference. Result has 380 places, 378 transitions, 781 flow [2022-04-18 16:35:14,929 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=777, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=781, PETRI_PLACES=380, PETRI_TRANSITIONS=378} [2022-04-18 16:35:14,930 INFO L335 CegarLoopForPetriNet]: 463 programPoint places, -83 predicate places. [2022-04-18 16:35:14,930 INFO L478 AbstractCegarLoop]: Abstraction has has 380 places, 378 transitions, 781 flow [2022-04-18 16:35:14,931 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 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 16:35:14,931 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:14,931 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, 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 16:35:14,931 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-04-18 16:35:14,931 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-04-18 16:35:14,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:14,931 INFO L85 PathProgramCache]: Analyzing trace with hash -856432899, now seen corresponding path program 1 times [2022-04-18 16:35:14,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:14,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423155297] [2022-04-18 16:35:14,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:14,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:14,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:14,997 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 16:35:14,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:14,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423155297] [2022-04-18 16:35:14,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423155297] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:14,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:14,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:14,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614441248] [2022-04-18 16:35:14,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:15,000 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:15,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:15,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:15,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:15,002 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 501 [2022-04-18 16:35:15,003 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 378 transitions, 781 flow. Second operand has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 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 16:35:15,003 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:15,003 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 501 [2022-04-18 16:35:15,003 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:15,224 INFO L129 PetriNetUnfolder]: 236/1384 cut-off events. [2022-04-18 16:35:15,225 INFO L130 PetriNetUnfolder]: For 138/138 co-relation queries the response was YES. [2022-04-18 16:35:15,231 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1856 conditions, 1384 events. 236/1384 cut-off events. For 138/138 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 7787 event pairs, 73 based on Foata normal form. 0/1193 useless extension candidates. Maximal degree in co-relation 1792. Up to 212 conditions per place. [2022-04-18 16:35:15,236 INFO L132 encePairwiseOnDemand]: 497/501 looper letters, 30 selfloop transitions, 3 changer transitions 0/390 dead transitions. [2022-04-18 16:35:15,236 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 390 transitions, 884 flow [2022-04-18 16:35:15,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:15,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:15,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1245 transitions. [2022-04-18 16:35:15,239 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8283433133732535 [2022-04-18 16:35:15,239 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1245 transitions. [2022-04-18 16:35:15,239 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1245 transitions. [2022-04-18 16:35:15,240 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:15,240 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1245 transitions. [2022-04-18 16:35:15,242 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 415.0) internal successors, (1245), 3 states have internal predecessors, (1245), 0 states have call successors, (0), 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 16:35:15,244 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 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 16:35:15,244 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 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 16:35:15,244 INFO L186 Difference]: Start difference. First operand has 380 places, 378 transitions, 781 flow. Second operand 3 states and 1245 transitions. [2022-04-18 16:35:15,244 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 390 transitions, 884 flow [2022-04-18 16:35:15,247 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 390 transitions, 880 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:35:15,251 INFO L242 Difference]: Finished difference. Result has 380 places, 378 transitions, 788 flow [2022-04-18 16:35:15,251 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=775, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=377, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=374, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=788, PETRI_PLACES=380, PETRI_TRANSITIONS=378} [2022-04-18 16:35:15,252 INFO L335 CegarLoopForPetriNet]: 463 programPoint places, -83 predicate places. [2022-04-18 16:35:15,252 INFO L478 AbstractCegarLoop]: Abstraction has has 380 places, 378 transitions, 788 flow [2022-04-18 16:35:15,252 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 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 16:35:15,252 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:15,253 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, 1, 1, 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 16:35:15,253 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-04-18 16:35:15,253 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-04-18 16:35:15,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:15,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1685882573, now seen corresponding path program 1 times [2022-04-18 16:35:15,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:15,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541215682] [2022-04-18 16:35:15,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:15,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:15,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:15,290 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 16:35:15,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:15,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541215682] [2022-04-18 16:35:15,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541215682] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:15,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:15,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:15,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442787882] [2022-04-18 16:35:15,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:15,291 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:15,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:15,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:15,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:15,293 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 501 [2022-04-18 16:35:15,294 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 378 transitions, 788 flow. Second operand has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 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 16:35:15,294 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:15,294 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 501 [2022-04-18 16:35:15,294 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:15,475 INFO L129 PetriNetUnfolder]: 224/1121 cut-off events. [2022-04-18 16:35:15,475 INFO L130 PetriNetUnfolder]: For 215/215 co-relation queries the response was YES. [2022-04-18 16:35:15,480 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1658 conditions, 1121 events. 224/1121 cut-off events. For 215/215 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 5616 event pairs, 123 based on Foata normal form. 0/979 useless extension candidates. Maximal degree in co-relation 1593. Up to 324 conditions per place. [2022-04-18 16:35:15,484 INFO L132 encePairwiseOnDemand]: 498/501 looper letters, 20 selfloop transitions, 2 changer transitions 0/377 dead transitions. [2022-04-18 16:35:15,485 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 377 transitions, 830 flow [2022-04-18 16:35:15,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:15,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:15,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1235 transitions. [2022-04-18 16:35:15,488 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8216899534264803 [2022-04-18 16:35:15,488 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1235 transitions. [2022-04-18 16:35:15,488 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1235 transitions. [2022-04-18 16:35:15,489 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:15,489 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1235 transitions. [2022-04-18 16:35:15,491 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 411.6666666666667) internal successors, (1235), 3 states have internal predecessors, (1235), 0 states have call successors, (0), 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 16:35:15,492 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 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 16:35:15,493 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 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 16:35:15,493 INFO L186 Difference]: Start difference. First operand has 380 places, 378 transitions, 788 flow. Second operand 3 states and 1235 transitions. [2022-04-18 16:35:15,493 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 377 transitions, 830 flow [2022-04-18 16:35:15,496 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 377 transitions, 827 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:35:15,499 INFO L242 Difference]: Finished difference. Result has 380 places, 377 transitions, 787 flow [2022-04-18 16:35:15,499 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=783, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=377, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=787, PETRI_PLACES=380, PETRI_TRANSITIONS=377} [2022-04-18 16:35:15,500 INFO L335 CegarLoopForPetriNet]: 463 programPoint places, -83 predicate places. [2022-04-18 16:35:15,500 INFO L478 AbstractCegarLoop]: Abstraction has has 380 places, 377 transitions, 787 flow [2022-04-18 16:35:15,500 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 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 16:35:15,500 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:15,500 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, 1, 1, 1, 1, 1, 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 16:35:15,501 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-04-18 16:35:15,501 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-04-18 16:35:15,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:15,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1218225490, now seen corresponding path program 1 times [2022-04-18 16:35:15,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:15,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58518219] [2022-04-18 16:35:15,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:15,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:15,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:15,534 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 16:35:15,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:15,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58518219] [2022-04-18 16:35:15,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58518219] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:15,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:15,535 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:15,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924576414] [2022-04-18 16:35:15,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:15,535 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:15,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:15,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:15,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:15,537 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 501 [2022-04-18 16:35:15,538 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 377 transitions, 787 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 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 16:35:15,538 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:15,538 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 501 [2022-04-18 16:35:15,538 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:15,768 INFO L129 PetriNetUnfolder]: 323/1601 cut-off events. [2022-04-18 16:35:15,768 INFO L130 PetriNetUnfolder]: For 233/248 co-relation queries the response was YES. [2022-04-18 16:35:15,775 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2326 conditions, 1601 events. 323/1601 cut-off events. For 233/248 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 9254 event pairs, 195 based on Foata normal form. 0/1379 useless extension candidates. Maximal degree in co-relation 2259. Up to 462 conditions per place. [2022-04-18 16:35:15,781 INFO L132 encePairwiseOnDemand]: 498/501 looper letters, 22 selfloop transitions, 1 changer transitions 0/375 dead transitions. [2022-04-18 16:35:15,781 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 375 transitions, 829 flow [2022-04-18 16:35:15,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:15,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:15,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1228 transitions. [2022-04-18 16:35:15,784 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8170326014637392 [2022-04-18 16:35:15,784 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1228 transitions. [2022-04-18 16:35:15,784 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1228 transitions. [2022-04-18 16:35:15,785 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:15,785 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1228 transitions. [2022-04-18 16:35:15,786 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 409.3333333333333) internal successors, (1228), 3 states have internal predecessors, (1228), 0 states have call successors, (0), 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 16:35:15,788 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 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 16:35:15,788 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 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 16:35:15,788 INFO L186 Difference]: Start difference. First operand has 380 places, 377 transitions, 787 flow. Second operand 3 states and 1228 transitions. [2022-04-18 16:35:15,788 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 375 transitions, 829 flow [2022-04-18 16:35:15,791 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 378 places, 375 transitions, 825 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:35:15,794 INFO L242 Difference]: Finished difference. Result has 378 places, 375 transitions, 781 flow [2022-04-18 16:35:15,794 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=779, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=375, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=374, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=781, PETRI_PLACES=378, PETRI_TRANSITIONS=375} [2022-04-18 16:35:15,794 INFO L335 CegarLoopForPetriNet]: 463 programPoint places, -85 predicate places. [2022-04-18 16:35:15,794 INFO L478 AbstractCegarLoop]: Abstraction has has 378 places, 375 transitions, 781 flow [2022-04-18 16:35:15,795 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 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 16:35:15,795 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:15,795 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:35:15,795 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-04-18 16:35:15,795 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-04-18 16:35:15,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:15,796 INFO L85 PathProgramCache]: Analyzing trace with hash -723039148, now seen corresponding path program 1 times [2022-04-18 16:35:15,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:15,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857704568] [2022-04-18 16:35:15,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:15,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:15,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:15,828 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 16:35:15,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:15,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857704568] [2022-04-18 16:35:15,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857704568] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:15,829 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:15,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:15,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354260896] [2022-04-18 16:35:15,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:15,829 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:15,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:15,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:15,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:15,831 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 403 out of 501 [2022-04-18 16:35:15,832 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 375 transitions, 781 flow. Second operand has 3 states, 3 states have (on average 404.3333333333333) internal successors, (1213), 3 states have internal predecessors, (1213), 0 states have call successors, (0), 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 16:35:15,832 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:15,832 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 403 of 501 [2022-04-18 16:35:15,832 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:16,059 INFO L129 PetriNetUnfolder]: 327/1608 cut-off events. [2022-04-18 16:35:16,059 INFO L130 PetriNetUnfolder]: For 237/239 co-relation queries the response was YES. [2022-04-18 16:35:16,065 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2330 conditions, 1608 events. 327/1608 cut-off events. For 237/239 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 9114 event pairs, 151 based on Foata normal form. 0/1368 useless extension candidates. Maximal degree in co-relation 2265. Up to 385 conditions per place. [2022-04-18 16:35:16,070 INFO L132 encePairwiseOnDemand]: 498/501 looper letters, 29 selfloop transitions, 2 changer transitions 0/382 dead transitions. [2022-04-18 16:35:16,071 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 382 transitions, 867 flow [2022-04-18 16:35:16,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:16,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:16,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1236 transitions. [2022-04-18 16:35:16,073 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8223552894211577 [2022-04-18 16:35:16,073 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1236 transitions. [2022-04-18 16:35:16,073 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1236 transitions. [2022-04-18 16:35:16,074 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:16,074 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1236 transitions. [2022-04-18 16:35:16,075 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 412.0) internal successors, (1236), 3 states have internal predecessors, (1236), 0 states have call successors, (0), 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 16:35:16,077 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 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 16:35:16,077 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 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 16:35:16,077 INFO L186 Difference]: Start difference. First operand has 378 places, 375 transitions, 781 flow. Second operand 3 states and 1236 transitions. [2022-04-18 16:35:16,077 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 382 transitions, 867 flow [2022-04-18 16:35:16,080 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 378 places, 382 transitions, 866 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:35:16,083 INFO L242 Difference]: Finished difference. Result has 378 places, 374 transitions, 782 flow [2022-04-18 16:35:16,083 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=778, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=374, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=782, PETRI_PLACES=378, PETRI_TRANSITIONS=374} [2022-04-18 16:35:16,083 INFO L335 CegarLoopForPetriNet]: 463 programPoint places, -85 predicate places. [2022-04-18 16:35:16,083 INFO L478 AbstractCegarLoop]: Abstraction has has 378 places, 374 transitions, 782 flow [2022-04-18 16:35:16,084 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 404.3333333333333) internal successors, (1213), 3 states have internal predecessors, (1213), 0 states have call successors, (0), 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 16:35:16,084 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:16,084 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:35:16,084 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-04-18 16:35:16,084 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-04-18 16:35:16,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:16,085 INFO L85 PathProgramCache]: Analyzing trace with hash -1704499415, now seen corresponding path program 1 times [2022-04-18 16:35:16,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:16,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810659296] [2022-04-18 16:35:16,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:16,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:16,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:16,131 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 16:35:16,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:16,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810659296] [2022-04-18 16:35:16,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810659296] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:16,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:16,132 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:16,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030558096] [2022-04-18 16:35:16,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:16,132 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:16,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:16,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:16,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:16,133 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 399 out of 501 [2022-04-18 16:35:16,134 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 374 transitions, 782 flow. Second operand has 3 states, 3 states have (on average 400.6666666666667) internal successors, (1202), 3 states have internal predecessors, (1202), 0 states have call successors, (0), 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 16:35:16,134 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:16,134 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 399 of 501 [2022-04-18 16:35:16,134 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:16,440 INFO L129 PetriNetUnfolder]: 584/2271 cut-off events. [2022-04-18 16:35:16,440 INFO L130 PetriNetUnfolder]: For 379/381 co-relation queries the response was YES. [2022-04-18 16:35:16,449 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3515 conditions, 2271 events. 584/2271 cut-off events. For 379/381 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 14588 event pairs, 93 based on Foata normal form. 0/2048 useless extension candidates. Maximal degree in co-relation 3450. Up to 648 conditions per place. [2022-04-18 16:35:16,456 INFO L132 encePairwiseOnDemand]: 494/501 looper letters, 33 selfloop transitions, 5 changer transitions 0/384 dead transitions. [2022-04-18 16:35:16,456 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 377 places, 384 transitions, 891 flow [2022-04-18 16:35:16,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:16,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:16,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1233 transitions. [2022-04-18 16:35:16,459 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8203592814371258 [2022-04-18 16:35:16,459 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1233 transitions. [2022-04-18 16:35:16,459 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1233 transitions. [2022-04-18 16:35:16,459 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:16,459 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1233 transitions. [2022-04-18 16:35:16,461 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 411.0) internal successors, (1233), 3 states have internal predecessors, (1233), 0 states have call successors, (0), 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 16:35:16,462 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 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 16:35:16,462 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 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 16:35:16,462 INFO L186 Difference]: Start difference. First operand has 378 places, 374 transitions, 782 flow. Second operand 3 states and 1233 transitions. [2022-04-18 16:35:16,462 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 377 places, 384 transitions, 891 flow [2022-04-18 16:35:16,465 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 384 transitions, 887 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:35:16,468 INFO L242 Difference]: Finished difference. Result has 377 places, 375 transitions, 812 flow [2022-04-18 16:35:16,468 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=772, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=371, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=366, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=812, PETRI_PLACES=377, PETRI_TRANSITIONS=375} [2022-04-18 16:35:16,469 INFO L335 CegarLoopForPetriNet]: 463 programPoint places, -86 predicate places. [2022-04-18 16:35:16,469 INFO L478 AbstractCegarLoop]: Abstraction has has 377 places, 375 transitions, 812 flow [2022-04-18 16:35:16,469 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 400.6666666666667) internal successors, (1202), 3 states have internal predecessors, (1202), 0 states have call successors, (0), 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 16:35:16,469 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:16,469 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:35:16,470 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-04-18 16:35:16,470 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-04-18 16:35:16,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:16,470 INFO L85 PathProgramCache]: Analyzing trace with hash -81291629, now seen corresponding path program 1 times [2022-04-18 16:35:16,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:16,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014948614] [2022-04-18 16:35:16,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:16,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:16,573 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 16:35:16,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:16,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014948614] [2022-04-18 16:35:16,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014948614] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:16,574 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:16,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:35:16,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570034500] [2022-04-18 16:35:16,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:16,574 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:35:16,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:16,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:35:16,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:35:16,576 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 363 out of 501 [2022-04-18 16:35:16,577 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 375 transitions, 812 flow. Second operand has 6 states, 6 states have (on average 365.0) internal successors, (2190), 6 states have internal predecessors, (2190), 0 states have call successors, (0), 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 16:35:16,577 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:16,577 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 363 of 501 [2022-04-18 16:35:16,577 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:17,827 INFO L129 PetriNetUnfolder]: 3539/6690 cut-off events. [2022-04-18 16:35:17,827 INFO L130 PetriNetUnfolder]: For 5135/5208 co-relation queries the response was YES. [2022-04-18 16:35:17,863 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15307 conditions, 6690 events. 3539/6690 cut-off events. For 5135/5208 co-relation queries the response was YES. Maximal size of possible extension queue 209. Compared 44173 event pairs, 422 based on Foata normal form. 29/6192 useless extension candidates. Maximal degree in co-relation 15239. Up to 1946 conditions per place. [2022-04-18 16:35:17,898 INFO L132 encePairwiseOnDemand]: 496/501 looper letters, 138 selfloop transitions, 4 changer transitions 0/454 dead transitions. [2022-04-18 16:35:17,899 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 454 transitions, 1414 flow [2022-04-18 16:35:17,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:35:17,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 16:35:17,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2291 transitions. [2022-04-18 16:35:17,902 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.762142381902861 [2022-04-18 16:35:17,903 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2291 transitions. [2022-04-18 16:35:17,903 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2291 transitions. [2022-04-18 16:35:17,904 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:17,904 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2291 transitions. [2022-04-18 16:35:17,906 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 381.8333333333333) internal successors, (2291), 6 states have internal predecessors, (2291), 0 states have call successors, (0), 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 16:35:17,910 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 501.0) internal successors, (3507), 7 states have internal predecessors, (3507), 0 states have call successors, (0), 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 16:35:17,910 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 501.0) internal successors, (3507), 7 states have internal predecessors, (3507), 0 states have call successors, (0), 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 16:35:17,911 INFO L186 Difference]: Start difference. First operand has 377 places, 375 transitions, 812 flow. Second operand 6 states and 2291 transitions. [2022-04-18 16:35:17,911 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 454 transitions, 1414 flow [2022-04-18 16:35:17,918 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 454 transitions, 1372 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:35:17,922 INFO L242 Difference]: Finished difference. Result has 379 places, 374 transitions, 808 flow [2022-04-18 16:35:17,922 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=800, PETRI_DIFFERENCE_MINUEND_PLACES=374, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=374, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=370, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=808, PETRI_PLACES=379, PETRI_TRANSITIONS=374} [2022-04-18 16:35:17,923 INFO L335 CegarLoopForPetriNet]: 463 programPoint places, -84 predicate places. [2022-04-18 16:35:17,923 INFO L478 AbstractCegarLoop]: Abstraction has has 379 places, 374 transitions, 808 flow [2022-04-18 16:35:17,923 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 365.0) internal successors, (2190), 6 states have internal predecessors, (2190), 0 states have call successors, (0), 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 16:35:17,924 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:17,924 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:35:17,924 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-04-18 16:35:17,924 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-04-18 16:35:17,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:17,925 INFO L85 PathProgramCache]: Analyzing trace with hash 541948344, now seen corresponding path program 1 times [2022-04-18 16:35:17,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:17,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662595610] [2022-04-18 16:35:17,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:17,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:17,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:17,960 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 16:35:17,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:17,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662595610] [2022-04-18 16:35:17,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662595610] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:17,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:17,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:17,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35928023] [2022-04-18 16:35:17,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:17,962 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:17,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:17,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:17,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:17,963 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 501 [2022-04-18 16:35:17,964 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 379 places, 374 transitions, 808 flow. Second operand has 3 states, 3 states have (on average 407.0) internal successors, (1221), 3 states have internal predecessors, (1221), 0 states have call successors, (0), 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 16:35:17,964 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:17,964 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 501 [2022-04-18 16:35:17,965 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:18,248 INFO L129 PetriNetUnfolder]: 407/2109 cut-off events. [2022-04-18 16:35:18,248 INFO L130 PetriNetUnfolder]: For 570/589 co-relation queries the response was YES. [2022-04-18 16:35:18,259 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3215 conditions, 2109 events. 407/2109 cut-off events. For 570/589 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 14062 event pairs, 150 based on Foata normal form. 5/1889 useless extension candidates. Maximal degree in co-relation 3149. Up to 524 conditions per place. [2022-04-18 16:35:18,266 INFO L132 encePairwiseOnDemand]: 497/501 looper letters, 30 selfloop transitions, 4 changer transitions 0/383 dead transitions. [2022-04-18 16:35:18,266 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 383 transitions, 912 flow [2022-04-18 16:35:18,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:18,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:18,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1242 transitions. [2022-04-18 16:35:18,268 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8263473053892215 [2022-04-18 16:35:18,268 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1242 transitions. [2022-04-18 16:35:18,268 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1242 transitions. [2022-04-18 16:35:18,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:18,269 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1242 transitions. [2022-04-18 16:35:18,270 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 414.0) internal successors, (1242), 3 states have internal predecessors, (1242), 0 states have call successors, (0), 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 16:35:18,271 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 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 16:35:18,272 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 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 16:35:18,272 INFO L186 Difference]: Start difference. First operand has 379 places, 374 transitions, 808 flow. Second operand 3 states and 1242 transitions. [2022-04-18 16:35:18,272 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 383 transitions, 912 flow [2022-04-18 16:35:18,274 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 383 transitions, 905 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-04-18 16:35:18,277 INFO L242 Difference]: Finished difference. Result has 377 places, 377 transitions, 837 flow [2022-04-18 16:35:18,278 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=799, PETRI_DIFFERENCE_MINUEND_PLACES=374, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=373, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=369, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=837, PETRI_PLACES=377, PETRI_TRANSITIONS=377} [2022-04-18 16:35:18,278 INFO L335 CegarLoopForPetriNet]: 463 programPoint places, -86 predicate places. [2022-04-18 16:35:18,278 INFO L478 AbstractCegarLoop]: Abstraction has has 377 places, 377 transitions, 837 flow [2022-04-18 16:35:18,278 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 407.0) internal successors, (1221), 3 states have internal predecessors, (1221), 0 states have call successors, (0), 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 16:35:18,278 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:18,279 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:35:18,279 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-04-18 16:35:18,279 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-04-18 16:35:18,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:18,279 INFO L85 PathProgramCache]: Analyzing trace with hash 2046427102, now seen corresponding path program 1 times [2022-04-18 16:35:18,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:18,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885378398] [2022-04-18 16:35:18,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:18,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:18,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:18,363 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 16:35:18,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:18,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885378398] [2022-04-18 16:35:18,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885378398] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:18,364 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:18,364 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:35:18,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644902998] [2022-04-18 16:35:18,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:18,365 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:35:18,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:18,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:35:18,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:35:18,368 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 362 out of 501 [2022-04-18 16:35:18,369 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 377 transitions, 837 flow. Second operand has 6 states, 6 states have (on average 364.1666666666667) internal successors, (2185), 6 states have internal predecessors, (2185), 0 states have call successors, (0), 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 16:35:18,369 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:18,369 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 362 of 501 [2022-04-18 16:35:18,369 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:20,309 INFO L129 PetriNetUnfolder]: 5018/11907 cut-off events. [2022-04-18 16:35:20,309 INFO L130 PetriNetUnfolder]: For 7268/7312 co-relation queries the response was YES. [2022-04-18 16:35:20,365 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24239 conditions, 11907 events. 5018/11907 cut-off events. For 7268/7312 co-relation queries the response was YES. Maximal size of possible extension queue 314. Compared 103664 event pairs, 1417 based on Foata normal form. 19/10940 useless extension candidates. Maximal degree in co-relation 24171. Up to 3546 conditions per place. [2022-04-18 16:35:20,415 INFO L132 encePairwiseOnDemand]: 494/501 looper letters, 122 selfloop transitions, 6 changer transitions 0/437 dead transitions. [2022-04-18 16:35:20,415 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 437 transitions, 1285 flow [2022-04-18 16:35:20,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:35:20,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 16:35:20,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2284 transitions. [2022-04-18 16:35:20,418 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7598137059214903 [2022-04-18 16:35:20,418 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2284 transitions. [2022-04-18 16:35:20,418 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2284 transitions. [2022-04-18 16:35:20,419 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:20,419 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2284 transitions. [2022-04-18 16:35:20,421 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 380.6666666666667) internal successors, (2284), 6 states have internal predecessors, (2284), 0 states have call successors, (0), 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 16:35:20,424 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 501.0) internal successors, (3507), 7 states have internal predecessors, (3507), 0 states have call successors, (0), 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 16:35:20,424 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 501.0) internal successors, (3507), 7 states have internal predecessors, (3507), 0 states have call successors, (0), 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 16:35:20,424 INFO L186 Difference]: Start difference. First operand has 377 places, 377 transitions, 837 flow. Second operand 6 states and 2284 transitions. [2022-04-18 16:35:20,424 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 437 transitions, 1285 flow [2022-04-18 16:35:20,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 437 transitions, 1285 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-04-18 16:35:20,433 INFO L242 Difference]: Finished difference. Result has 386 places, 381 transitions, 881 flow [2022-04-18 16:35:20,433 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=835, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=376, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=370, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=881, PETRI_PLACES=386, PETRI_TRANSITIONS=381} [2022-04-18 16:35:20,434 INFO L335 CegarLoopForPetriNet]: 463 programPoint places, -77 predicate places. [2022-04-18 16:35:20,434 INFO L478 AbstractCegarLoop]: Abstraction has has 386 places, 381 transitions, 881 flow [2022-04-18 16:35:20,434 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 364.1666666666667) internal successors, (2185), 6 states have internal predecessors, (2185), 0 states have call successors, (0), 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 16:35:20,434 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:20,435 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:35:20,435 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-04-18 16:35:20,435 INFO L403 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-04-18 16:35:20,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:20,435 INFO L85 PathProgramCache]: Analyzing trace with hash -674260701, now seen corresponding path program 1 times [2022-04-18 16:35:20,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:20,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198244899] [2022-04-18 16:35:20,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:20,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:20,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:20,538 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 16:35:20,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:20,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198244899] [2022-04-18 16:35:20,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198244899] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:20,539 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:20,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:35:20,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992796490] [2022-04-18 16:35:20,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:20,540 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:35:20,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:20,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:35:20,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:35:20,543 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 363 out of 501 [2022-04-18 16:35:20,544 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 381 transitions, 881 flow. Second operand has 6 states, 6 states have (on average 366.1666666666667) internal successors, (2197), 6 states have internal predecessors, (2197), 0 states have call successors, (0), 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 16:35:20,544 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:20,544 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 363 of 501 [2022-04-18 16:35:20,544 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:22,129 INFO L129 PetriNetUnfolder]: 3989/10579 cut-off events. [2022-04-18 16:35:22,129 INFO L130 PetriNetUnfolder]: For 7467/7514 co-relation queries the response was YES. [2022-04-18 16:35:22,194 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21658 conditions, 10579 events. 3989/10579 cut-off events. For 7467/7514 co-relation queries the response was YES. Maximal size of possible extension queue 298. Compared 96332 event pairs, 1900 based on Foata normal form. 19/9709 useless extension candidates. Maximal degree in co-relation 21585. Up to 4560 conditions per place. [2022-04-18 16:35:22,240 INFO L132 encePairwiseOnDemand]: 496/501 looper letters, 92 selfloop transitions, 4 changer transitions 0/408 dead transitions. [2022-04-18 16:35:22,240 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 390 places, 408 transitions, 1199 flow [2022-04-18 16:35:22,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:35:22,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 16:35:22,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2249 transitions. [2022-04-18 16:35:22,243 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7481703260146374 [2022-04-18 16:35:22,243 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2249 transitions. [2022-04-18 16:35:22,243 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2249 transitions. [2022-04-18 16:35:22,244 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:22,244 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2249 transitions. [2022-04-18 16:35:22,246 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 374.8333333333333) internal successors, (2249), 6 states have internal predecessors, (2249), 0 states have call successors, (0), 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 16:35:22,249 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 501.0) internal successors, (3507), 7 states have internal predecessors, (3507), 0 states have call successors, (0), 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 16:35:22,250 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 501.0) internal successors, (3507), 7 states have internal predecessors, (3507), 0 states have call successors, (0), 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 16:35:22,250 INFO L186 Difference]: Start difference. First operand has 386 places, 381 transitions, 881 flow. Second operand 6 states and 2249 transitions. [2022-04-18 16:35:22,250 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 390 places, 408 transitions, 1199 flow [2022-04-18 16:35:22,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 390 places, 408 transitions, 1199 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-04-18 16:35:22,264 INFO L242 Difference]: Finished difference. Result has 390 places, 380 transitions, 887 flow [2022-04-18 16:35:22,264 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=879, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=887, PETRI_PLACES=390, PETRI_TRANSITIONS=380} [2022-04-18 16:35:22,264 INFO L335 CegarLoopForPetriNet]: 463 programPoint places, -73 predicate places. [2022-04-18 16:35:22,265 INFO L478 AbstractCegarLoop]: Abstraction has has 390 places, 380 transitions, 887 flow [2022-04-18 16:35:22,265 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 366.1666666666667) internal successors, (2197), 6 states have internal predecessors, (2197), 0 states have call successors, (0), 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 16:35:22,265 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:22,265 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:35:22,265 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-04-18 16:35:22,265 INFO L403 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-04-18 16:35:22,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:22,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1973563488, now seen corresponding path program 1 times [2022-04-18 16:35:22,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:22,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406727426] [2022-04-18 16:35:22,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:22,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:22,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:22,389 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 16:35:22,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:22,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406727426] [2022-04-18 16:35:22,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406727426] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:22,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:22,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:35:22,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654347494] [2022-04-18 16:35:22,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:22,390 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:35:22,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:22,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:35:22,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:35:22,392 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 363 out of 501 [2022-04-18 16:35:22,394 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 380 transitions, 887 flow. Second operand has 6 states, 6 states have (on average 367.5) internal successors, (2205), 6 states have internal predecessors, (2205), 0 states have call successors, (0), 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 16:35:22,394 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:22,394 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 363 of 501 [2022-04-18 16:35:22,394 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:24,033 INFO L129 PetriNetUnfolder]: 4062/10786 cut-off events. [2022-04-18 16:35:24,033 INFO L130 PetriNetUnfolder]: For 7716/7770 co-relation queries the response was YES. [2022-04-18 16:35:24,068 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22217 conditions, 10786 events. 4062/10786 cut-off events. For 7716/7770 co-relation queries the response was YES. Maximal size of possible extension queue 303. Compared 98871 event pairs, 2138 based on Foata normal form. 19/9923 useless extension candidates. Maximal degree in co-relation 22143. Up to 5142 conditions per place. [2022-04-18 16:35:24,102 INFO L132 encePairwiseOnDemand]: 496/501 looper letters, 75 selfloop transitions, 4 changer transitions 0/391 dead transitions. [2022-04-18 16:35:24,103 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 394 places, 391 transitions, 1083 flow [2022-04-18 16:35:24,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:35:24,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 16:35:24,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2240 transitions. [2022-04-18 16:35:24,106 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7451763140385895 [2022-04-18 16:35:24,106 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2240 transitions. [2022-04-18 16:35:24,106 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2240 transitions. [2022-04-18 16:35:24,107 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:24,107 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2240 transitions. [2022-04-18 16:35:24,109 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 373.3333333333333) internal successors, (2240), 6 states have internal predecessors, (2240), 0 states have call successors, (0), 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 16:35:24,112 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 501.0) internal successors, (3507), 7 states have internal predecessors, (3507), 0 states have call successors, (0), 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 16:35:24,113 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 501.0) internal successors, (3507), 7 states have internal predecessors, (3507), 0 states have call successors, (0), 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 16:35:24,113 INFO L186 Difference]: Start difference. First operand has 390 places, 380 transitions, 887 flow. Second operand 6 states and 2240 transitions. [2022-04-18 16:35:24,113 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 394 places, 391 transitions, 1083 flow [2022-04-18 16:35:24,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 390 places, 391 transitions, 1076 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-04-18 16:35:24,221 INFO L242 Difference]: Finished difference. Result has 390 places, 379 transitions, 886 flow [2022-04-18 16:35:24,221 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=878, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=886, PETRI_PLACES=390, PETRI_TRANSITIONS=379} [2022-04-18 16:35:24,221 INFO L335 CegarLoopForPetriNet]: 463 programPoint places, -73 predicate places. [2022-04-18 16:35:24,221 INFO L478 AbstractCegarLoop]: Abstraction has has 390 places, 379 transitions, 886 flow [2022-04-18 16:35:24,222 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 367.5) internal successors, (2205), 6 states have internal predecessors, (2205), 0 states have call successors, (0), 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 16:35:24,222 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:24,222 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:35:24,222 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-04-18 16:35:24,222 INFO L403 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-04-18 16:35:24,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:24,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1586718573, now seen corresponding path program 1 times [2022-04-18 16:35:24,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:24,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268689528] [2022-04-18 16:35:24,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:24,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:24,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:24,288 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 16:35:24,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:24,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268689528] [2022-04-18 16:35:24,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268689528] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:24,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:24,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:24,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722073677] [2022-04-18 16:35:24,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:24,289 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:24,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:24,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:24,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:24,291 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 501 [2022-04-18 16:35:24,292 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 379 transitions, 886 flow. Second operand has 3 states, 3 states have (on average 410.0) internal successors, (1230), 3 states have internal predecessors, (1230), 0 states have call successors, (0), 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 16:35:24,292 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:24,292 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 501 [2022-04-18 16:35:24,292 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:24,594 INFO L129 PetriNetUnfolder]: 476/2359 cut-off events. [2022-04-18 16:35:24,594 INFO L130 PetriNetUnfolder]: For 1229/1265 co-relation queries the response was YES. [2022-04-18 16:35:24,605 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4019 conditions, 2359 events. 476/2359 cut-off events. For 1229/1265 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 16309 event pairs, 196 based on Foata normal form. 6/2073 useless extension candidates. Maximal degree in co-relation 3947. Up to 636 conditions per place. [2022-04-18 16:35:24,607 INFO L132 encePairwiseOnDemand]: 499/501 looper letters, 0 selfloop transitions, 0 changer transitions 378/378 dead transitions. [2022-04-18 16:35:24,607 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 378 transitions, 938 flow [2022-04-18 16:35:24,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:24,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:24,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1233 transitions. [2022-04-18 16:35:24,610 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8203592814371258 [2022-04-18 16:35:24,611 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1233 transitions. [2022-04-18 16:35:24,611 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1233 transitions. [2022-04-18 16:35:24,611 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:24,611 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1233 transitions. [2022-04-18 16:35:24,612 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 411.0) internal successors, (1233), 3 states have internal predecessors, (1233), 0 states have call successors, (0), 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 16:35:24,613 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 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 16:35:24,614 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 501.0) internal successors, (2004), 4 states have internal predecessors, (2004), 0 states have call successors, (0), 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 16:35:24,614 INFO L186 Difference]: Start difference. First operand has 390 places, 379 transitions, 886 flow. Second operand 3 states and 1233 transitions. [2022-04-18 16:35:24,614 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 378 transitions, 938 flow [2022-04-18 16:35:24,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 378 transitions, 931 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-04-18 16:35:24,619 INFO L242 Difference]: Finished difference. Result has 387 places, 0 transitions, 0 flow [2022-04-18 16:35:24,619 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=877, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=387, PETRI_TRANSITIONS=0} [2022-04-18 16:35:24,621 INFO L335 CegarLoopForPetriNet]: 463 programPoint places, -76 predicate places. [2022-04-18 16:35:24,622 INFO L478 AbstractCegarLoop]: Abstraction has has 387 places, 0 transitions, 0 flow [2022-04-18 16:35:24,622 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 410.0) internal successors, (1230), 3 states have internal predecessors, (1230), 0 states have call successors, (0), 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 16:35:24,624 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (161 of 162 remaining) [2022-04-18 16:35:24,624 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (160 of 162 remaining) [2022-04-18 16:35:24,624 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (159 of 162 remaining) [2022-04-18 16:35:24,625 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err24ASSERT_VIOLATIONDATA_RACE (158 of 162 remaining) [2022-04-18 16:35:24,625 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err25ASSERT_VIOLATIONDATA_RACE (157 of 162 remaining) [2022-04-18 16:35:24,625 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err26ASSERT_VIOLATIONDATA_RACE (156 of 162 remaining) [2022-04-18 16:35:24,625 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err27ASSERT_VIOLATIONDATA_RACE (155 of 162 remaining) [2022-04-18 16:35:24,625 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err28ASSERT_VIOLATIONDATA_RACE (154 of 162 remaining) [2022-04-18 16:35:24,625 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err29ASSERT_VIOLATIONDATA_RACE (153 of 162 remaining) [2022-04-18 16:35:24,626 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (152 of 162 remaining) [2022-04-18 16:35:24,626 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (151 of 162 remaining) [2022-04-18 16:35:24,626 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (150 of 162 remaining) [2022-04-18 16:35:24,626 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (149 of 162 remaining) [2022-04-18 16:35:24,626 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (148 of 162 remaining) [2022-04-18 16:35:24,626 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (147 of 162 remaining) [2022-04-18 16:35:24,626 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (146 of 162 remaining) [2022-04-18 16:35:24,626 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (145 of 162 remaining) [2022-04-18 16:35:24,627 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (144 of 162 remaining) [2022-04-18 16:35:24,627 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (143 of 162 remaining) [2022-04-18 16:35:24,627 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (142 of 162 remaining) [2022-04-18 16:35:24,627 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (141 of 162 remaining) [2022-04-18 16:35:24,627 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (140 of 162 remaining) [2022-04-18 16:35:24,627 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (139 of 162 remaining) [2022-04-18 16:35:24,627 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (138 of 162 remaining) [2022-04-18 16:35:24,627 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (137 of 162 remaining) [2022-04-18 16:35:24,628 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (136 of 162 remaining) [2022-04-18 16:35:24,628 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (135 of 162 remaining) [2022-04-18 16:35:24,628 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (134 of 162 remaining) [2022-04-18 16:35:24,628 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (133 of 162 remaining) [2022-04-18 16:35:24,628 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (132 of 162 remaining) [2022-04-18 16:35:24,629 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (131 of 162 remaining) [2022-04-18 16:35:24,629 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (130 of 162 remaining) [2022-04-18 16:35:24,629 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (129 of 162 remaining) [2022-04-18 16:35:24,629 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (128 of 162 remaining) [2022-04-18 16:35:24,629 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (127 of 162 remaining) [2022-04-18 16:35:24,629 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (126 of 162 remaining) [2022-04-18 16:35:24,629 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (125 of 162 remaining) [2022-04-18 16:35:24,629 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (124 of 162 remaining) [2022-04-18 16:35:24,630 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (123 of 162 remaining) [2022-04-18 16:35:24,630 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (122 of 162 remaining) [2022-04-18 16:35:24,630 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (121 of 162 remaining) [2022-04-18 16:35:24,630 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (120 of 162 remaining) [2022-04-18 16:35:24,630 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (119 of 162 remaining) [2022-04-18 16:35:24,630 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (118 of 162 remaining) [2022-04-18 16:35:24,630 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (117 of 162 remaining) [2022-04-18 16:35:24,630 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (116 of 162 remaining) [2022-04-18 16:35:24,630 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (115 of 162 remaining) [2022-04-18 16:35:24,631 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (114 of 162 remaining) [2022-04-18 16:35:24,631 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (113 of 162 remaining) [2022-04-18 16:35:24,631 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (112 of 162 remaining) [2022-04-18 16:35:24,631 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (111 of 162 remaining) [2022-04-18 16:35:24,631 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (110 of 162 remaining) [2022-04-18 16:35:24,631 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (109 of 162 remaining) [2022-04-18 16:35:24,631 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (108 of 162 remaining) [2022-04-18 16:35:24,632 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (107 of 162 remaining) [2022-04-18 16:35:24,632 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (106 of 162 remaining) [2022-04-18 16:35:24,632 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (105 of 162 remaining) [2022-04-18 16:35:24,632 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (104 of 162 remaining) [2022-04-18 16:35:24,632 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (103 of 162 remaining) [2022-04-18 16:35:24,632 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (102 of 162 remaining) [2022-04-18 16:35:24,632 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (101 of 162 remaining) [2022-04-18 16:35:24,632 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (100 of 162 remaining) [2022-04-18 16:35:24,632 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (99 of 162 remaining) [2022-04-18 16:35:24,633 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (98 of 162 remaining) [2022-04-18 16:35:24,633 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (97 of 162 remaining) [2022-04-18 16:35:24,633 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (96 of 162 remaining) [2022-04-18 16:35:24,633 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (95 of 162 remaining) [2022-04-18 16:35:24,633 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (94 of 162 remaining) [2022-04-18 16:35:24,633 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (93 of 162 remaining) [2022-04-18 16:35:24,633 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (92 of 162 remaining) [2022-04-18 16:35:24,633 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (91 of 162 remaining) [2022-04-18 16:35:24,634 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (90 of 162 remaining) [2022-04-18 16:35:24,634 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (89 of 162 remaining) [2022-04-18 16:35:24,634 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (88 of 162 remaining) [2022-04-18 16:35:24,634 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (87 of 162 remaining) [2022-04-18 16:35:24,634 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (86 of 162 remaining) [2022-04-18 16:35:24,634 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (85 of 162 remaining) [2022-04-18 16:35:24,634 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (84 of 162 remaining) [2022-04-18 16:35:24,634 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (83 of 162 remaining) [2022-04-18 16:35:24,635 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (82 of 162 remaining) [2022-04-18 16:35:24,635 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (81 of 162 remaining) [2022-04-18 16:35:24,635 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (80 of 162 remaining) [2022-04-18 16:35:24,635 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (79 of 162 remaining) [2022-04-18 16:35:24,635 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (78 of 162 remaining) [2022-04-18 16:35:24,635 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (77 of 162 remaining) [2022-04-18 16:35:24,635 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (76 of 162 remaining) [2022-04-18 16:35:24,635 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (75 of 162 remaining) [2022-04-18 16:35:24,636 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (74 of 162 remaining) [2022-04-18 16:35:24,636 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (73 of 162 remaining) [2022-04-18 16:35:24,636 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (72 of 162 remaining) [2022-04-18 16:35:24,636 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (71 of 162 remaining) [2022-04-18 16:35:24,636 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (70 of 162 remaining) [2022-04-18 16:35:24,636 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (69 of 162 remaining) [2022-04-18 16:35:24,636 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (68 of 162 remaining) [2022-04-18 16:35:24,636 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (67 of 162 remaining) [2022-04-18 16:35:24,637 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (66 of 162 remaining) [2022-04-18 16:35:24,637 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (65 of 162 remaining) [2022-04-18 16:35:24,637 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (64 of 162 remaining) [2022-04-18 16:35:24,637 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (63 of 162 remaining) [2022-04-18 16:35:24,637 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err24ASSERT_VIOLATIONDATA_RACE (62 of 162 remaining) [2022-04-18 16:35:24,637 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err25ASSERT_VIOLATIONDATA_RACE (61 of 162 remaining) [2022-04-18 16:35:24,637 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err26ASSERT_VIOLATIONDATA_RACE (60 of 162 remaining) [2022-04-18 16:35:24,637 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err27ASSERT_VIOLATIONDATA_RACE (59 of 162 remaining) [2022-04-18 16:35:24,638 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err28ASSERT_VIOLATIONDATA_RACE (58 of 162 remaining) [2022-04-18 16:35:24,638 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err29ASSERT_VIOLATIONDATA_RACE (57 of 162 remaining) [2022-04-18 16:35:24,638 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (56 of 162 remaining) [2022-04-18 16:35:24,638 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (55 of 162 remaining) [2022-04-18 16:35:24,638 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (54 of 162 remaining) [2022-04-18 16:35:24,638 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (53 of 162 remaining) [2022-04-18 16:35:24,638 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (52 of 162 remaining) [2022-04-18 16:35:24,638 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (51 of 162 remaining) [2022-04-18 16:35:24,638 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (50 of 162 remaining) [2022-04-18 16:35:24,639 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (49 of 162 remaining) [2022-04-18 16:35:24,639 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (48 of 162 remaining) [2022-04-18 16:35:24,639 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (47 of 162 remaining) [2022-04-18 16:35:24,639 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (46 of 162 remaining) [2022-04-18 16:35:24,639 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (45 of 162 remaining) [2022-04-18 16:35:24,639 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (44 of 162 remaining) [2022-04-18 16:35:24,639 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (43 of 162 remaining) [2022-04-18 16:35:24,639 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (42 of 162 remaining) [2022-04-18 16:35:24,640 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (41 of 162 remaining) [2022-04-18 16:35:24,640 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (40 of 162 remaining) [2022-04-18 16:35:24,640 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (39 of 162 remaining) [2022-04-18 16:35:24,640 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (38 of 162 remaining) [2022-04-18 16:35:24,640 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (37 of 162 remaining) [2022-04-18 16:35:24,640 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (36 of 162 remaining) [2022-04-18 16:35:24,640 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (35 of 162 remaining) [2022-04-18 16:35:24,640 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (34 of 162 remaining) [2022-04-18 16:35:24,641 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (33 of 162 remaining) [2022-04-18 16:35:24,641 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (32 of 162 remaining) [2022-04-18 16:35:24,642 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (31 of 162 remaining) [2022-04-18 16:35:24,642 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (30 of 162 remaining) [2022-04-18 16:35:24,642 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (29 of 162 remaining) [2022-04-18 16:35:24,642 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (28 of 162 remaining) [2022-04-18 16:35:24,642 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (27 of 162 remaining) [2022-04-18 16:35:24,642 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (26 of 162 remaining) [2022-04-18 16:35:24,642 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (25 of 162 remaining) [2022-04-18 16:35:24,642 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (24 of 162 remaining) [2022-04-18 16:35:24,643 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (23 of 162 remaining) [2022-04-18 16:35:24,643 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (22 of 162 remaining) [2022-04-18 16:35:24,643 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (21 of 162 remaining) [2022-04-18 16:35:24,643 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (20 of 162 remaining) [2022-04-18 16:35:24,643 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (19 of 162 remaining) [2022-04-18 16:35:24,643 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (18 of 162 remaining) [2022-04-18 16:35:24,643 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (17 of 162 remaining) [2022-04-18 16:35:24,643 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (16 of 162 remaining) [2022-04-18 16:35:24,644 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (15 of 162 remaining) [2022-04-18 16:35:24,644 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (14 of 162 remaining) [2022-04-18 16:35:24,644 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (13 of 162 remaining) [2022-04-18 16:35:24,644 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (12 of 162 remaining) [2022-04-18 16:35:24,644 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (11 of 162 remaining) [2022-04-18 16:35:24,644 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (10 of 162 remaining) [2022-04-18 16:35:24,644 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (9 of 162 remaining) [2022-04-18 16:35:24,644 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (8 of 162 remaining) [2022-04-18 16:35:24,645 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (7 of 162 remaining) [2022-04-18 16:35:24,645 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (6 of 162 remaining) [2022-04-18 16:35:24,645 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (5 of 162 remaining) [2022-04-18 16:35:24,645 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (4 of 162 remaining) [2022-04-18 16:35:24,645 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (3 of 162 remaining) [2022-04-18 16:35:24,645 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (2 of 162 remaining) [2022-04-18 16:35:24,645 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (1 of 162 remaining) [2022-04-18 16:35:24,645 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (0 of 162 remaining) [2022-04-18 16:35:24,646 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-04-18 16:35:24,649 INFO L719 BasicCegarLoop]: Path program 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 16:35:24,654 INFO L227 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-04-18 16:35:24,654 INFO L177 ceAbstractionStarter]: Computing trace abstraction results [2022-04-18 16:35:24,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 04:35:24 BasicIcfg [2022-04-18 16:35:24,657 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-18 16:35:24,658 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-04-18 16:35:24,658 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-04-18 16:35:24,658 INFO L275 PluginConnector]: Witness Printer initialized [2022-04-18 16:35:24,658 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:35:09" (3/4) ... [2022-04-18 16:35:24,660 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-04-18 16:35:24,664 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-04-18 16:35:24,664 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-04-18 16:35:24,664 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-04-18 16:35:24,674 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2022-04-18 16:35:24,674 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-04-18 16:35:24,675 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-04-18 16:35:24,675 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-04-18 16:35:24,725 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-04-18 16:35:24,725 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-04-18 16:35:24,726 INFO L158 Benchmark]: Toolchain (without parser) took 17079.03ms. Allocated memory was 107.0MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 72.8MB in the beginning and 1.1GB in the end (delta: -1.1GB). Peak memory consumption was 515.0MB. Max. memory is 16.1GB. [2022-04-18 16:35:24,726 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 79.7MB. Free memory was 57.9MB in the beginning and 57.9MB in the end (delta: 28.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 16:35:24,726 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.89ms. Allocated memory is still 107.0MB. Free memory was 72.5MB in the beginning and 78.8MB in the end (delta: -6.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-04-18 16:35:24,726 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.29ms. Allocated memory is still 107.0MB. Free memory was 78.8MB in the beginning and 74.7MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-04-18 16:35:24,726 INFO L158 Benchmark]: Boogie Preprocessor took 86.19ms. Allocated memory is still 107.0MB. Free memory was 74.7MB in the beginning and 71.3MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-04-18 16:35:24,727 INFO L158 Benchmark]: RCFGBuilder took 1222.45ms. Allocated memory was 107.0MB in the beginning and 144.7MB in the end (delta: 37.7MB). Free memory was 71.3MB in the beginning and 106.9MB in the end (delta: -35.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-04-18 16:35:24,729 INFO L158 Benchmark]: TraceAbstraction took 15331.74ms. Allocated memory was 144.7MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 106.1MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 504.9MB. Max. memory is 16.1GB. [2022-04-18 16:35:24,729 INFO L158 Benchmark]: Witness Printer took 67.20ms. Allocated memory is still 1.7GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-04-18 16:35:24,731 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 79.7MB. Free memory was 57.9MB in the beginning and 57.9MB in the end (delta: 28.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.89ms. Allocated memory is still 107.0MB. Free memory was 72.5MB in the beginning and 78.8MB in the end (delta: -6.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.29ms. Allocated memory is still 107.0MB. Free memory was 78.8MB in the beginning and 74.7MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.19ms. Allocated memory is still 107.0MB. Free memory was 74.7MB in the beginning and 71.3MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1222.45ms. Allocated memory was 107.0MB in the beginning and 144.7MB in the end (delta: 37.7MB). Free memory was 71.3MB in the beginning and 106.9MB in the end (delta: -35.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * TraceAbstraction took 15331.74ms. Allocated memory was 144.7MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 106.1MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 504.9MB. Max. memory is 16.1GB. * Witness Printer took 67.20ms. Allocated memory is still 1.7GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. 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: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: 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: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: 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: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 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: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: 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: 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: 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: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: 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: 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: 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: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: 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: 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: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: 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: 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: 133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 167]: 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: 167]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 167]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 138]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 139]: 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: 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: 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: 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: 151]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 152]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 153]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 155]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 613 locations, 162 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: 15.2s, OverallIterations: 29, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 13.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 216 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 216 mSDsluCounter, 323 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 312 mSDsCounter, 196 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1666 IncrementalHoareTripleChecker+Invalid, 1862 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 196 mSolverCounterUnsat, 323 mSDtfsCounter, 1666 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=974occurred in iteration=0, InterpolantAutomatonStates: 102, 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, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 4681 NumberOfCodeBlocks, 4681 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 4652 ConstructedInterpolants, 0 QuantifiedInterpolants, 5173 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 29 InterpolantComputations, 29 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 93 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-04-18 16:35:24,784 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE