./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/chl-chromosome-subst.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/chl-chromosome-subst.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 b68e155d55184c39a54e11a2c420443b840324481c8995060134516395f2d120 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-31 21:28:13,500 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 21:28:13,502 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 21:28:13,534 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 21:28:13,536 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 21:28:13,538 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 21:28:13,539 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 21:28:13,541 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 21:28:13,544 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 21:28:13,547 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 21:28:13,548 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 21:28:13,549 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 21:28:13,549 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 21:28:13,551 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 21:28:13,552 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 21:28:13,554 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 21:28:13,555 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 21:28:13,556 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 21:28:13,557 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 21:28:13,560 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 21:28:13,561 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 21:28:13,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 21:28:13,562 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 21:28:13,563 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 21:28:13,568 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 21:28:13,569 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 21:28:13,569 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 21:28:13,570 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 21:28:13,570 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 21:28:13,571 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 21:28:13,571 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 21:28:13,575 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 21:28:13,576 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 21:28:13,577 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 21:28:13,578 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 21:28:13,578 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 21:28:13,578 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 21:28:13,578 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 21:28:13,579 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 21:28:13,579 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 21:28:13,579 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 21:28:13,581 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-31 21:28:13,605 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 21:28:13,610 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 21:28:13,611 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 21:28:13,611 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 21:28:13,612 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 21:28:13,612 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 21:28:13,613 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 21:28:13,613 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 21:28:13,613 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 21:28:13,613 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 21:28:13,614 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 21:28:13,614 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-31 21:28:13,614 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-31 21:28:13,614 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 21:28:13,614 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 21:28:13,614 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-31 21:28:13,615 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 21:28:13,615 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-31 21:28:13,615 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-31 21:28:13,615 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 21:28:13,615 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-31 21:28:13,615 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 21:28:13,616 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-31 21:28:13,616 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 21:28:13,616 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 21:28:13,616 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 21:28:13,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:28:13,616 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 21:28:13,617 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 21:28:13,617 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-31 21:28:13,617 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-31 21:28:13,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-31 21:28:13,617 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 21:28:13,617 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-31 21:28:13,618 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 21:28:13,618 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 21:28:13,618 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 21:28:13,618 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b68e155d55184c39a54e11a2c420443b840324481c8995060134516395f2d120 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-08-31 21:28:13,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 21:28:13,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 21:28:13,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 21:28:13,895 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 21:28:13,895 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 21:28:13,896 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-chromosome-subst.wvr.c [2023-08-31 21:28:15,003 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 21:28:15,196 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 21:28:15,197 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-chromosome-subst.wvr.c [2023-08-31 21:28:15,203 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7bd44eb6/04d92c83c421459ab8d5be58aa0cdd63/FLAG5bdd00745 [2023-08-31 21:28:15,214 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7bd44eb6/04d92c83c421459ab8d5be58aa0cdd63 [2023-08-31 21:28:15,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 21:28:15,219 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 21:28:15,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 21:28:15,220 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 21:28:15,223 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 21:28:15,223 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:28:15" (1/1) ... [2023-08-31 21:28:15,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4215992d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:28:15, skipping insertion in model container [2023-08-31 21:28:15,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:28:15" (1/1) ... [2023-08-31 21:28:15,230 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 21:28:15,252 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 21:28:15,372 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-chromosome-subst.wvr.c[3097,3110] [2023-08-31 21:28:15,376 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:28:15,384 INFO L203 MainTranslator]: Completed pre-run [2023-08-31 21:28:15,420 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-chromosome-subst.wvr.c[3097,3110] [2023-08-31 21:28:15,434 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:28:15,451 INFO L208 MainTranslator]: Completed translation [2023-08-31 21:28:15,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:28:15 WrapperNode [2023-08-31 21:28:15,453 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 21:28:15,454 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-31 21:28:15,454 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-31 21:28:15,454 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-31 21:28:15,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:28:15" (1/1) ... [2023-08-31 21:28:15,474 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:28:15" (1/1) ... [2023-08-31 21:28:15,507 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 17, calls inlined = 25, statements flattened = 469 [2023-08-31 21:28:15,509 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-31 21:28:15,510 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-31 21:28:15,510 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-31 21:28:15,510 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-31 21:28:15,516 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:28:15" (1/1) ... [2023-08-31 21:28:15,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:28:15" (1/1) ... [2023-08-31 21:28:15,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:28:15" (1/1) ... [2023-08-31 21:28:15,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:28:15" (1/1) ... [2023-08-31 21:28:15,552 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:28:15" (1/1) ... [2023-08-31 21:28:15,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:28:15" (1/1) ... [2023-08-31 21:28:15,569 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:28:15" (1/1) ... [2023-08-31 21:28:15,570 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:28:15" (1/1) ... [2023-08-31 21:28:15,573 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-31 21:28:15,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-31 21:28:15,584 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-31 21:28:15,584 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-31 21:28:15,584 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:28:15" (1/1) ... [2023-08-31 21:28:15,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:28:15,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 21:28:15,607 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-31 21:28:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-31 21:28:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-31 21:28:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-31 21:28:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-31 21:28:15,634 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-31 21:28:15,634 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-31 21:28:15,634 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-31 21:28:15,634 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-31 21:28:15,634 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-31 21:28:15,634 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-31 21:28:15,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-31 21:28:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-31 21:28:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-31 21:28:15,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-31 21:28:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-31 21:28:15,636 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-31 21:28:15,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-31 21:28:15,766 INFO L236 CfgBuilder]: Building ICFG [2023-08-31 21:28:15,768 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-31 21:28:16,273 INFO L277 CfgBuilder]: Performing block encoding [2023-08-31 21:28:16,283 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-31 21:28:16,283 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-08-31 21:28:16,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:28:16 BoogieIcfgContainer [2023-08-31 21:28:16,285 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-31 21:28:16,287 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-31 21:28:16,287 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-31 21:28:16,289 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-31 21:28:16,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.08 09:28:15" (1/3) ... [2023-08-31 21:28:16,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71b5e1a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:28:16, skipping insertion in model container [2023-08-31 21:28:16,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:28:15" (2/3) ... [2023-08-31 21:28:16,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71b5e1a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:28:16, skipping insertion in model container [2023-08-31 21:28:16,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:28:16" (3/3) ... [2023-08-31 21:28:16,290 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-chromosome-subst.wvr.c [2023-08-31 21:28:16,301 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-31 21:28:16,308 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-31 21:28:16,308 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 50 error locations. [2023-08-31 21:28:16,308 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-31 21:28:16,409 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-31 21:28:16,438 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 541 places, 564 transitions, 1152 flow [2023-08-31 21:28:16,622 INFO L130 PetriNetUnfolder]: 33/561 cut-off events. [2023-08-31 21:28:16,622 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-31 21:28:16,632 INFO L83 FinitePrefix]: Finished finitePrefix Result has 574 conditions, 561 events. 33/561 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1249 event pairs, 0 based on Foata normal form. 0/478 useless extension candidates. Maximal degree in co-relation 398. Up to 2 conditions per place. [2023-08-31 21:28:16,632 INFO L82 GeneralOperation]: Start removeDead. Operand has 541 places, 564 transitions, 1152 flow [2023-08-31 21:28:16,642 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 520 places, 541 transitions, 1100 flow [2023-08-31 21:28:16,645 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-31 21:28:16,662 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 520 places, 541 transitions, 1100 flow [2023-08-31 21:28:16,666 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 520 places, 541 transitions, 1100 flow [2023-08-31 21:28:16,667 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 520 places, 541 transitions, 1100 flow [2023-08-31 21:28:16,742 INFO L130 PetriNetUnfolder]: 31/541 cut-off events. [2023-08-31 21:28:16,743 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-31 21:28:16,745 INFO L83 FinitePrefix]: Finished finitePrefix Result has 554 conditions, 541 events. 31/541 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1226 event pairs, 0 based on Foata normal form. 0/461 useless extension candidates. Maximal degree in co-relation 398. Up to 2 conditions per place. [2023-08-31 21:28:16,767 INFO L119 LiptonReduction]: Number of co-enabled transitions 67830 [2023-08-31 21:28:25,787 INFO L134 LiptonReduction]: Checked pairs total: 213599 [2023-08-31 21:28:25,789 INFO L136 LiptonReduction]: Total number of compositions: 546 [2023-08-31 21:28:25,803 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-31 21:28:25,807 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@220ad131, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-31 21:28:25,807 INFO L358 AbstractCegarLoop]: Starting to check reachability of 86 error locations. [2023-08-31 21:28:25,809 INFO L130 PetriNetUnfolder]: 1/2 cut-off events. [2023-08-31 21:28:25,809 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 21:28:25,810 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:28:25,810 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2023-08-31 21:28:25,810 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-08-31 21:28:25,813 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:28:25,813 INFO L85 PathProgramCache]: Analyzing trace with hash 68158, now seen corresponding path program 1 times [2023-08-31 21:28:25,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:28:25,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031992779] [2023-08-31 21:28:25,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:28:25,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:28:25,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:28:25,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:28:25,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:28:25,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031992779] [2023-08-31 21:28:25,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031992779] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:28:25,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:28:25,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-31 21:28:25,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748321640] [2023-08-31 21:28:25,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:28:25,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-31 21:28:25,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:28:25,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-31 21:28:25,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-31 21:28:25,969 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 534 out of 1110 [2023-08-31 21:28:25,971 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 143 transitions, 304 flow. Second operand has 2 states, 2 states have (on average 535.0) internal successors, (1070), 2 states have internal predecessors, (1070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:25,972 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:28:25,972 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 534 of 1110 [2023-08-31 21:28:25,972 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:28:26,461 INFO L130 PetriNetUnfolder]: 2104/5933 cut-off events. [2023-08-31 21:28:26,461 INFO L131 PetriNetUnfolder]: For 235/235 co-relation queries the response was YES. [2023-08-31 21:28:26,469 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9106 conditions, 5933 events. 2104/5933 cut-off events. For 235/235 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 54074 event pairs, 1749 based on Foata normal form. 180/5091 useless extension candidates. Maximal degree in co-relation 7802. Up to 3006 conditions per place. [2023-08-31 21:28:26,486 INFO L137 encePairwiseOnDemand]: 1080/1110 looper letters, 38 selfloop transitions, 0 changer transitions 1/113 dead transitions. [2023-08-31 21:28:26,487 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 113 transitions, 322 flow [2023-08-31 21:28:26,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-31 21:28:26,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-31 21:28:26,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1137 transitions. [2023-08-31 21:28:26,498 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5121621621621621 [2023-08-31 21:28:26,498 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1137 transitions. [2023-08-31 21:28:26,499 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1137 transitions. [2023-08-31 21:28:26,500 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:28:26,502 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1137 transitions. [2023-08-31 21:28:26,505 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 568.5) internal successors, (1137), 2 states have internal predecessors, (1137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:26,510 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1110.0) internal successors, (3330), 3 states have internal predecessors, (3330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:26,522 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1110.0) internal successors, (3330), 3 states have internal predecessors, (3330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:26,523 INFO L175 Difference]: Start difference. First operand has 146 places, 143 transitions, 304 flow. Second operand 2 states and 1137 transitions. [2023-08-31 21:28:26,523 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 113 transitions, 322 flow [2023-08-31 21:28:26,527 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 113 transitions, 310 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-31 21:28:26,529 INFO L231 Difference]: Finished difference. Result has 112 places, 112 transitions, 229 flow [2023-08-31 21:28:26,539 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1110, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=229, PETRI_PLACES=112, PETRI_TRANSITIONS=112} [2023-08-31 21:28:26,541 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -34 predicate places. [2023-08-31 21:28:26,541 INFO L495 AbstractCegarLoop]: Abstraction has has 112 places, 112 transitions, 229 flow [2023-08-31 21:28:26,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 535.0) internal successors, (1070), 2 states have internal predecessors, (1070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:26,542 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:28:26,542 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:28:26,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-31 21:28:26,543 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-08-31 21:28:26,543 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:28:26,543 INFO L85 PathProgramCache]: Analyzing trace with hash 870535373, now seen corresponding path program 1 times [2023-08-31 21:28:26,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:28:26,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021288372] [2023-08-31 21:28:26,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:28:26,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:28:26,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:28:26,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:28:26,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:28:26,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021288372] [2023-08-31 21:28:26,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021288372] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:28:26,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:28:26,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:28:26,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308693493] [2023-08-31 21:28:26,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:28:26,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:28:26,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:28:26,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:28:26,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:28:26,607 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 527 out of 1110 [2023-08-31 21:28:26,608 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 112 transitions, 229 flow. Second operand has 3 states, 3 states have (on average 529.3333333333334) internal successors, (1588), 3 states have internal predecessors, (1588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:26,608 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:28:26,608 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 527 of 1110 [2023-08-31 21:28:26,608 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:28:27,176 INFO L130 PetriNetUnfolder]: 2754/7748 cut-off events. [2023-08-31 21:28:27,176 INFO L131 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2023-08-31 21:28:27,187 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11739 conditions, 7748 events. 2754/7748 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 341. Compared 75616 event pairs, 749 based on Foata normal form. 0/6530 useless extension candidates. Maximal degree in co-relation 11736. Up to 3888 conditions per place. [2023-08-31 21:28:27,211 INFO L137 encePairwiseOnDemand]: 1106/1110 looper letters, 53 selfloop transitions, 2 changer transitions 0/125 dead transitions. [2023-08-31 21:28:27,211 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 125 transitions, 367 flow [2023-08-31 21:28:27,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:28:27,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:28:27,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1638 transitions. [2023-08-31 21:28:27,214 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4918918918918919 [2023-08-31 21:28:27,214 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1638 transitions. [2023-08-31 21:28:27,215 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1638 transitions. [2023-08-31 21:28:27,216 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:28:27,216 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1638 transitions. [2023-08-31 21:28:27,218 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 546.0) internal successors, (1638), 3 states have internal predecessors, (1638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:27,223 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1110.0) internal successors, (4440), 4 states have internal predecessors, (4440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:27,224 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1110.0) internal successors, (4440), 4 states have internal predecessors, (4440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:27,224 INFO L175 Difference]: Start difference. First operand has 112 places, 112 transitions, 229 flow. Second operand 3 states and 1638 transitions. [2023-08-31 21:28:27,224 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 125 transitions, 367 flow [2023-08-31 21:28:27,226 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 125 transitions, 367 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:28:27,227 INFO L231 Difference]: Finished difference. Result has 112 places, 112 transitions, 239 flow [2023-08-31 21:28:27,228 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1110, PETRI_DIFFERENCE_MINUEND_FLOW=225, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=239, PETRI_PLACES=112, PETRI_TRANSITIONS=112} [2023-08-31 21:28:27,228 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -34 predicate places. [2023-08-31 21:28:27,228 INFO L495 AbstractCegarLoop]: Abstraction has has 112 places, 112 transitions, 239 flow [2023-08-31 21:28:27,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 529.3333333333334) internal successors, (1588), 3 states have internal predecessors, (1588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:27,229 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:28:27,229 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:28:27,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-31 21:28:27,230 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-08-31 21:28:27,230 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:28:27,230 INFO L85 PathProgramCache]: Analyzing trace with hash -933534370, now seen corresponding path program 1 times [2023-08-31 21:28:27,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:28:27,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123100683] [2023-08-31 21:28:27,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:28:27,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:28:27,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:28:27,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:28:27,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:28:27,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123100683] [2023-08-31 21:28:27,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123100683] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:28:27,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:28:27,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:28:27,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769444523] [2023-08-31 21:28:27,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:28:27,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:28:27,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:28:27,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:28:27,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:28:27,329 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 527 out of 1110 [2023-08-31 21:28:27,331 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 112 transitions, 239 flow. Second operand has 3 states, 3 states have (on average 529.6666666666666) internal successors, (1589), 3 states have internal predecessors, (1589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:27,332 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:28:27,332 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 527 of 1110 [2023-08-31 21:28:27,332 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:28:27,771 INFO L130 PetriNetUnfolder]: 2539/6286 cut-off events. [2023-08-31 21:28:27,772 INFO L131 PetriNetUnfolder]: For 68/157 co-relation queries the response was YES. [2023-08-31 21:28:27,781 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10010 conditions, 6286 events. 2539/6286 cut-off events. For 68/157 co-relation queries the response was YES. Maximal size of possible extension queue 268. Compared 54405 event pairs, 547 based on Foata normal form. 2/5211 useless extension candidates. Maximal degree in co-relation 10006. Up to 3472 conditions per place. [2023-08-31 21:28:27,797 INFO L137 encePairwiseOnDemand]: 1106/1110 looper letters, 52 selfloop transitions, 2 changer transitions 0/125 dead transitions. [2023-08-31 21:28:27,797 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 125 transitions, 375 flow [2023-08-31 21:28:27,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:28:27,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:28:27,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1637 transitions. [2023-08-31 21:28:27,801 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4915915915915916 [2023-08-31 21:28:27,801 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1637 transitions. [2023-08-31 21:28:27,801 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1637 transitions. [2023-08-31 21:28:27,802 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:28:27,802 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1637 transitions. [2023-08-31 21:28:27,804 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 545.6666666666666) internal successors, (1637), 3 states have internal predecessors, (1637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:27,808 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1110.0) internal successors, (4440), 4 states have internal predecessors, (4440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:27,810 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1110.0) internal successors, (4440), 4 states have internal predecessors, (4440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:27,810 INFO L175 Difference]: Start difference. First operand has 112 places, 112 transitions, 239 flow. Second operand 3 states and 1637 transitions. [2023-08-31 21:28:27,810 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 125 transitions, 375 flow [2023-08-31 21:28:27,811 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 125 transitions, 375 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:28:27,812 INFO L231 Difference]: Finished difference. Result has 113 places, 112 transitions, 249 flow [2023-08-31 21:28:27,812 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1110, PETRI_DIFFERENCE_MINUEND_FLOW=235, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=249, PETRI_PLACES=113, PETRI_TRANSITIONS=112} [2023-08-31 21:28:27,813 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -33 predicate places. [2023-08-31 21:28:27,813 INFO L495 AbstractCegarLoop]: Abstraction has has 113 places, 112 transitions, 249 flow [2023-08-31 21:28:27,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 529.6666666666666) internal successors, (1589), 3 states have internal predecessors, (1589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:27,815 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:28:27,815 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:28:27,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-31 21:28:27,816 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-08-31 21:28:27,816 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:28:27,816 INFO L85 PathProgramCache]: Analyzing trace with hash 522414409, now seen corresponding path program 1 times [2023-08-31 21:28:27,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:28:27,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113537990] [2023-08-31 21:28:27,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:28:27,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:28:27,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:28:27,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:28:27,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:28:27,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113537990] [2023-08-31 21:28:27,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113537990] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:28:27,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:28:27,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:28:27,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840445661] [2023-08-31 21:28:27,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:28:27,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:28:27,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:28:27,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:28:27,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:28:27,890 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 527 out of 1110 [2023-08-31 21:28:27,891 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 112 transitions, 249 flow. Second operand has 3 states, 3 states have (on average 530.3333333333334) internal successors, (1591), 3 states have internal predecessors, (1591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:27,891 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:28:27,893 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 527 of 1110 [2023-08-31 21:28:27,894 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:28:28,618 INFO L130 PetriNetUnfolder]: 4185/12010 cut-off events. [2023-08-31 21:28:28,619 INFO L131 PetriNetUnfolder]: For 288/304 co-relation queries the response was YES. [2023-08-31 21:28:28,638 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18395 conditions, 12010 events. 4185/12010 cut-off events. For 288/304 co-relation queries the response was YES. Maximal size of possible extension queue 435. Compared 125531 event pairs, 1148 based on Foata normal form. 2/10282 useless extension candidates. Maximal degree in co-relation 18390. Up to 4087 conditions per place. [2023-08-31 21:28:28,664 INFO L137 encePairwiseOnDemand]: 1106/1110 looper letters, 67 selfloop transitions, 2 changer transitions 0/138 dead transitions. [2023-08-31 21:28:28,664 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 138 transitions, 448 flow [2023-08-31 21:28:28,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:28:28,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:28:28,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1650 transitions. [2023-08-31 21:28:28,677 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4954954954954955 [2023-08-31 21:28:28,677 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1650 transitions. [2023-08-31 21:28:28,678 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1650 transitions. [2023-08-31 21:28:28,678 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:28:28,678 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1650 transitions. [2023-08-31 21:28:28,681 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 550.0) internal successors, (1650), 3 states have internal predecessors, (1650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:28,684 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1110.0) internal successors, (4440), 4 states have internal predecessors, (4440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:28,686 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1110.0) internal successors, (4440), 4 states have internal predecessors, (4440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:28,700 INFO L175 Difference]: Start difference. First operand has 113 places, 112 transitions, 249 flow. Second operand 3 states and 1650 transitions. [2023-08-31 21:28:28,701 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 138 transitions, 448 flow [2023-08-31 21:28:28,701 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 138 transitions, 448 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:28:28,703 INFO L231 Difference]: Finished difference. Result has 114 places, 112 transitions, 259 flow [2023-08-31 21:28:28,703 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1110, PETRI_DIFFERENCE_MINUEND_FLOW=245, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=259, PETRI_PLACES=114, PETRI_TRANSITIONS=112} [2023-08-31 21:28:28,703 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -32 predicate places. [2023-08-31 21:28:28,704 INFO L495 AbstractCegarLoop]: Abstraction has has 114 places, 112 transitions, 259 flow [2023-08-31 21:28:28,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 530.3333333333334) internal successors, (1591), 3 states have internal predecessors, (1591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:28,705 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:28:28,705 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:28:28,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-31 21:28:28,705 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-08-31 21:28:28,705 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:28:28,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1720985751, now seen corresponding path program 1 times [2023-08-31 21:28:28,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:28:28,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220808962] [2023-08-31 21:28:28,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:28:28,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:28:28,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:28:28,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:28:28,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:28:28,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220808962] [2023-08-31 21:28:28,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220808962] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:28:28,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:28:28,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:28:28,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225022486] [2023-08-31 21:28:28,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:28:28,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:28:28,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:28:28,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:28:28,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:28:28,769 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 527 out of 1110 [2023-08-31 21:28:28,771 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 112 transitions, 259 flow. Second operand has 3 states, 3 states have (on average 530.3333333333334) internal successors, (1591), 3 states have internal predecessors, (1591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:28,771 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:28:28,771 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 527 of 1110 [2023-08-31 21:28:28,771 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:28:29,411 INFO L130 PetriNetUnfolder]: 3449/8619 cut-off events. [2023-08-31 21:28:29,411 INFO L131 PetriNetUnfolder]: For 647/706 co-relation queries the response was YES. [2023-08-31 21:28:29,425 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14673 conditions, 8619 events. 3449/8619 cut-off events. For 647/706 co-relation queries the response was YES. Maximal size of possible extension queue 289. Compared 76613 event pairs, 772 based on Foata normal form. 7/7671 useless extension candidates. Maximal degree in co-relation 14667. Up to 4598 conditions per place. [2023-08-31 21:28:29,446 INFO L137 encePairwiseOnDemand]: 1106/1110 looper letters, 56 selfloop transitions, 2 changer transitions 0/127 dead transitions. [2023-08-31 21:28:29,446 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 127 transitions, 417 flow [2023-08-31 21:28:29,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:28:29,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:28:29,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1636 transitions. [2023-08-31 21:28:29,450 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4912912912912913 [2023-08-31 21:28:29,450 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1636 transitions. [2023-08-31 21:28:29,450 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1636 transitions. [2023-08-31 21:28:29,451 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:28:29,451 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1636 transitions. [2023-08-31 21:28:29,453 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 545.3333333333334) internal successors, (1636), 3 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:29,458 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1110.0) internal successors, (4440), 4 states have internal predecessors, (4440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:29,459 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1110.0) internal successors, (4440), 4 states have internal predecessors, (4440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:29,459 INFO L175 Difference]: Start difference. First operand has 114 places, 112 transitions, 259 flow. Second operand 3 states and 1636 transitions. [2023-08-31 21:28:29,459 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 127 transitions, 417 flow [2023-08-31 21:28:29,460 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 127 transitions, 417 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:28:29,461 INFO L231 Difference]: Finished difference. Result has 115 places, 112 transitions, 269 flow [2023-08-31 21:28:29,462 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1110, PETRI_DIFFERENCE_MINUEND_FLOW=255, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=269, PETRI_PLACES=115, PETRI_TRANSITIONS=112} [2023-08-31 21:28:29,462 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -31 predicate places. [2023-08-31 21:28:29,462 INFO L495 AbstractCegarLoop]: Abstraction has has 115 places, 112 transitions, 269 flow [2023-08-31 21:28:29,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 530.3333333333334) internal successors, (1591), 3 states have internal predecessors, (1591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:29,463 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:28:29,463 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:28:29,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-31 21:28:29,464 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-08-31 21:28:29,464 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:28:29,464 INFO L85 PathProgramCache]: Analyzing trace with hash -904364389, now seen corresponding path program 1 times [2023-08-31 21:28:29,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:28:29,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933946306] [2023-08-31 21:28:29,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:28:29,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:28:29,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:28:29,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:28:29,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:28:29,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933946306] [2023-08-31 21:28:29,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933946306] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:28:29,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:28:29,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:28:29,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427099957] [2023-08-31 21:28:29,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:28:29,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:28:29,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:28:29,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:28:29,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:28:29,974 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 513 out of 1110 [2023-08-31 21:28:29,976 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 112 transitions, 269 flow. Second operand has 6 states, 6 states have (on average 515.3333333333334) internal successors, (3092), 6 states have internal predecessors, (3092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:29,976 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:28:29,976 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 513 of 1110 [2023-08-31 21:28:29,977 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:28:31,109 INFO L130 PetriNetUnfolder]: 10077/16682 cut-off events. [2023-08-31 21:28:31,109 INFO L131 PetriNetUnfolder]: For 2721/2721 co-relation queries the response was YES. [2023-08-31 21:28:31,130 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34475 conditions, 16682 events. 10077/16682 cut-off events. For 2721/2721 co-relation queries the response was YES. Maximal size of possible extension queue 680. Compared 119489 event pairs, 902 based on Foata normal form. 0/15133 useless extension candidates. Maximal degree in co-relation 34468. Up to 5170 conditions per place. [2023-08-31 21:28:31,168 INFO L137 encePairwiseOnDemand]: 1105/1110 looper letters, 147 selfloop transitions, 4 changer transitions 0/215 dead transitions. [2023-08-31 21:28:31,169 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 215 transitions, 877 flow [2023-08-31 21:28:31,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:28:31,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:28:31,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3205 transitions. [2023-08-31 21:28:31,174 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48123123123123124 [2023-08-31 21:28:31,174 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3205 transitions. [2023-08-31 21:28:31,174 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3205 transitions. [2023-08-31 21:28:31,176 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:28:31,176 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3205 transitions. [2023-08-31 21:28:31,180 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 534.1666666666666) internal successors, (3205), 6 states have internal predecessors, (3205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:31,186 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1110.0) internal successors, (7770), 7 states have internal predecessors, (7770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:31,187 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1110.0) internal successors, (7770), 7 states have internal predecessors, (7770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:31,187 INFO L175 Difference]: Start difference. First operand has 115 places, 112 transitions, 269 flow. Second operand 6 states and 3205 transitions. [2023-08-31 21:28:31,188 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 215 transitions, 877 flow [2023-08-31 21:28:31,190 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 215 transitions, 877 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:28:31,191 INFO L231 Difference]: Finished difference. Result has 119 places, 111 transitions, 275 flow [2023-08-31 21:28:31,191 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1110, PETRI_DIFFERENCE_MINUEND_FLOW=267, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=275, PETRI_PLACES=119, PETRI_TRANSITIONS=111} [2023-08-31 21:28:31,192 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -27 predicate places. [2023-08-31 21:28:31,192 INFO L495 AbstractCegarLoop]: Abstraction has has 119 places, 111 transitions, 275 flow [2023-08-31 21:28:31,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 515.3333333333334) internal successors, (3092), 6 states have internal predecessors, (3092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:31,193 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:28:31,193 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:28:31,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-31 21:28:31,193 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread3Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-08-31 21:28:31,194 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:28:31,194 INFO L85 PathProgramCache]: Analyzing trace with hash 752888914, now seen corresponding path program 1 times [2023-08-31 21:28:31,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:28:31,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349333021] [2023-08-31 21:28:31,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:28:31,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:28:31,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:28:31,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:28:31,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:28:31,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349333021] [2023-08-31 21:28:31,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349333021] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:28:31,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:28:31,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:28:31,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937948957] [2023-08-31 21:28:31,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:28:31,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:28:31,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:28:31,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:28:31,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:28:31,226 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 527 out of 1110 [2023-08-31 21:28:31,227 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 111 transitions, 275 flow. Second operand has 3 states, 3 states have (on average 531.6666666666666) internal successors, (1595), 3 states have internal predecessors, (1595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:31,228 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:28:31,228 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 527 of 1110 [2023-08-31 21:28:31,228 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:28:31,965 INFO L130 PetriNetUnfolder]: 5207/12408 cut-off events. [2023-08-31 21:28:31,965 INFO L131 PetriNetUnfolder]: For 2091/2120 co-relation queries the response was YES. [2023-08-31 21:28:31,990 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22898 conditions, 12408 events. 5207/12408 cut-off events. For 2091/2120 co-relation queries the response was YES. Maximal size of possible extension queue 405. Compared 115588 event pairs, 1589 based on Foata normal form. 1/11220 useless extension candidates. Maximal degree in co-relation 22890. Up to 4724 conditions per place. [2023-08-31 21:28:32,061 INFO L137 encePairwiseOnDemand]: 1106/1110 looper letters, 74 selfloop transitions, 2 changer transitions 0/140 dead transitions. [2023-08-31 21:28:32,076 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 140 transitions, 513 flow [2023-08-31 21:28:32,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:28:32,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:28:32,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1650 transitions. [2023-08-31 21:28:32,080 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4954954954954955 [2023-08-31 21:28:32,080 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1650 transitions. [2023-08-31 21:28:32,080 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1650 transitions. [2023-08-31 21:28:32,081 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:28:32,081 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1650 transitions. [2023-08-31 21:28:32,083 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 550.0) internal successors, (1650), 3 states have internal predecessors, (1650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:32,086 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1110.0) internal successors, (4440), 4 states have internal predecessors, (4440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:32,087 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1110.0) internal successors, (4440), 4 states have internal predecessors, (4440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:32,087 INFO L175 Difference]: Start difference. First operand has 119 places, 111 transitions, 275 flow. Second operand 3 states and 1650 transitions. [2023-08-31 21:28:32,087 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 140 transitions, 513 flow [2023-08-31 21:28:32,090 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 140 transitions, 504 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-31 21:28:32,092 INFO L231 Difference]: Finished difference. Result has 116 places, 111 transitions, 278 flow [2023-08-31 21:28:32,092 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1110, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=278, PETRI_PLACES=116, PETRI_TRANSITIONS=111} [2023-08-31 21:28:32,092 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -30 predicate places. [2023-08-31 21:28:32,092 INFO L495 AbstractCegarLoop]: Abstraction has has 116 places, 111 transitions, 278 flow [2023-08-31 21:28:32,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 531.6666666666666) internal successors, (1595), 3 states have internal predecessors, (1595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:32,093 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:28:32,093 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:28:32,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-31 21:28:32,093 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-08-31 21:28:32,094 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:28:32,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1564430222, now seen corresponding path program 1 times [2023-08-31 21:28:32,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:28:32,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899854057] [2023-08-31 21:28:32,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:28:32,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:28:32,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:28:32,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:28:32,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:28:32,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899854057] [2023-08-31 21:28:32,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899854057] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:28:32,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:28:32,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-31 21:28:32,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005494063] [2023-08-31 21:28:32,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:28:32,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:28:32,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:28:32,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:28:32,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:28:32,216 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 522 out of 1110 [2023-08-31 21:28:32,217 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 111 transitions, 278 flow. Second operand has 3 states, 3 states have (on average 525.0) internal successors, (1575), 3 states have internal predecessors, (1575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:32,217 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:28:32,217 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 522 of 1110 [2023-08-31 21:28:32,217 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:28:33,072 INFO L130 PetriNetUnfolder]: 4647/12005 cut-off events. [2023-08-31 21:28:33,073 INFO L131 PetriNetUnfolder]: For 1300/1651 co-relation queries the response was YES. [2023-08-31 21:28:33,109 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21236 conditions, 12005 events. 4647/12005 cut-off events. For 1300/1651 co-relation queries the response was YES. Maximal size of possible extension queue 354. Compared 113917 event pairs, 3353 based on Foata normal form. 0/10946 useless extension candidates. Maximal degree in co-relation 21228. Up to 6667 conditions per place. [2023-08-31 21:28:33,144 INFO L137 encePairwiseOnDemand]: 1103/1110 looper letters, 41 selfloop transitions, 6 changer transitions 0/114 dead transitions. [2023-08-31 21:28:33,144 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 114 transitions, 378 flow [2023-08-31 21:28:33,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:28:33,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:28:33,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1610 transitions. [2023-08-31 21:28:33,148 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48348348348348347 [2023-08-31 21:28:33,148 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1610 transitions. [2023-08-31 21:28:33,148 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1610 transitions. [2023-08-31 21:28:33,149 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:28:33,149 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1610 transitions. [2023-08-31 21:28:33,151 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 536.6666666666666) internal successors, (1610), 3 states have internal predecessors, (1610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:33,154 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1110.0) internal successors, (4440), 4 states have internal predecessors, (4440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:33,155 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1110.0) internal successors, (4440), 4 states have internal predecessors, (4440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:33,155 INFO L175 Difference]: Start difference. First operand has 116 places, 111 transitions, 278 flow. Second operand 3 states and 1610 transitions. [2023-08-31 21:28:33,155 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 114 transitions, 378 flow [2023-08-31 21:28:33,157 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 114 transitions, 378 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:28:33,158 INFO L231 Difference]: Finished difference. Result has 119 places, 114 transitions, 310 flow [2023-08-31 21:28:33,158 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1110, PETRI_DIFFERENCE_MINUEND_FLOW=278, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=310, PETRI_PLACES=119, PETRI_TRANSITIONS=114} [2023-08-31 21:28:33,159 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -27 predicate places. [2023-08-31 21:28:33,159 INFO L495 AbstractCegarLoop]: Abstraction has has 119 places, 114 transitions, 310 flow [2023-08-31 21:28:33,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 525.0) internal successors, (1575), 3 states have internal predecessors, (1575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:33,159 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:28:33,159 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:28:33,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-31 21:28:33,160 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-08-31 21:28:33,160 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:28:33,160 INFO L85 PathProgramCache]: Analyzing trace with hash 2034071251, now seen corresponding path program 1 times [2023-08-31 21:28:33,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:28:33,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087060057] [2023-08-31 21:28:33,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:28:33,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:28:33,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:28:33,216 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-31 21:28:33,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:28:33,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087060057] [2023-08-31 21:28:33,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087060057] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-31 21:28:33,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1573845061] [2023-08-31 21:28:33,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:28:33,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-31 21:28:33,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 21:28:33,252 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-31 21:28:33,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-08-31 21:28:33,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:28:33,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 5 conjunts are in the unsatisfiable core [2023-08-31 21:28:33,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-31 21:28:33,414 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-31 21:28:33,414 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-31 21:28:33,428 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-31 21:28:33,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1573845061] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-31 21:28:33,429 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-31 21:28:33,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2023-08-31 21:28:33,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051615936] [2023-08-31 21:28:33,429 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-31 21:28:33,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-08-31 21:28:33,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:28:33,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-08-31 21:28:33,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2023-08-31 21:28:33,627 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 516 out of 1110 [2023-08-31 21:28:33,629 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 114 transitions, 310 flow. Second operand has 8 states, 8 states have (on average 518.25) internal successors, (4146), 8 states have internal predecessors, (4146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:33,629 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:28:33,629 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 516 of 1110 [2023-08-31 21:28:33,630 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:28:34,716 INFO L130 PetriNetUnfolder]: 4647/12014 cut-off events. [2023-08-31 21:28:34,717 INFO L131 PetriNetUnfolder]: For 1300/1651 co-relation queries the response was YES. [2023-08-31 21:28:34,745 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21278 conditions, 12014 events. 4647/12014 cut-off events. For 1300/1651 co-relation queries the response was YES. Maximal size of possible extension queue 354. Compared 113884 event pairs, 3353 based on Foata normal form. 6/10963 useless extension candidates. Maximal degree in co-relation 21268. Up to 6667 conditions per place. [2023-08-31 21:28:34,773 INFO L137 encePairwiseOnDemand]: 1103/1110 looper letters, 41 selfloop transitions, 15 changer transitions 0/123 dead transitions. [2023-08-31 21:28:34,774 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 123 transitions, 458 flow [2023-08-31 21:28:34,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:28:34,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:28:34,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3155 transitions. [2023-08-31 21:28:34,779 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47372372372372373 [2023-08-31 21:28:34,779 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3155 transitions. [2023-08-31 21:28:34,780 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3155 transitions. [2023-08-31 21:28:34,781 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:28:34,781 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3155 transitions. [2023-08-31 21:28:34,785 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 525.8333333333334) internal successors, (3155), 6 states have internal predecessors, (3155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:34,791 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1110.0) internal successors, (7770), 7 states have internal predecessors, (7770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:34,792 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1110.0) internal successors, (7770), 7 states have internal predecessors, (7770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:34,792 INFO L175 Difference]: Start difference. First operand has 119 places, 114 transitions, 310 flow. Second operand 6 states and 3155 transitions. [2023-08-31 21:28:34,792 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 123 transitions, 458 flow [2023-08-31 21:28:34,793 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 123 transitions, 452 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 21:28:34,795 INFO L231 Difference]: Finished difference. Result has 126 places, 123 transitions, 400 flow [2023-08-31 21:28:34,795 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1110, PETRI_DIFFERENCE_MINUEND_FLOW=304, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=400, PETRI_PLACES=126, PETRI_TRANSITIONS=123} [2023-08-31 21:28:34,795 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -20 predicate places. [2023-08-31 21:28:34,795 INFO L495 AbstractCegarLoop]: Abstraction has has 126 places, 123 transitions, 400 flow [2023-08-31 21:28:34,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 518.25) internal successors, (4146), 8 states have internal predecessors, (4146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:34,796 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:28:34,797 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:28:34,816 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-08-31 21:28:35,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-31 21:28:35,002 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-08-31 21:28:35,002 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:28:35,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1482302158, now seen corresponding path program 2 times [2023-08-31 21:28:35,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:28:35,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173490439] [2023-08-31 21:28:35,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:28:35,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:28:35,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:28:35,172 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-08-31 21:28:35,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:28:35,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173490439] [2023-08-31 21:28:35,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173490439] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-31 21:28:35,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1297279454] [2023-08-31 21:28:35,173 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-08-31 21:28:35,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-31 21:28:35,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 21:28:35,177 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-31 21:28:35,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-08-31 21:28:35,301 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-08-31 21:28:35,301 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-31 21:28:35,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 23 conjunts are in the unsatisfiable core [2023-08-31 21:28:35,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-31 21:28:35,390 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-08-31 21:28:35,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-08-31 21:28:35,457 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-08-31 21:28:35,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2023-08-31 21:28:35,493 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-08-31 21:28:35,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2023-08-31 21:28:35,513 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-08-31 21:28:35,514 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-08-31 21:28:35,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1297279454] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:28:35,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-08-31 21:28:35,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 14 [2023-08-31 21:28:35,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310419830] [2023-08-31 21:28:35,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:28:35,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-31 21:28:35,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:28:35,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-31 21:28:35,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2023-08-31 21:28:36,001 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 506 out of 1110 [2023-08-31 21:28:36,003 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 123 transitions, 400 flow. Second operand has 9 states, 9 states have (on average 507.8888888888889) internal successors, (4571), 9 states have internal predecessors, (4571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:36,003 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:28:36,003 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 506 of 1110 [2023-08-31 21:28:36,003 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:28:37,699 INFO L130 PetriNetUnfolder]: 9101/18439 cut-off events. [2023-08-31 21:28:37,699 INFO L131 PetriNetUnfolder]: For 2174/2882 co-relation queries the response was YES. [2023-08-31 21:28:37,775 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35535 conditions, 18439 events. 9101/18439 cut-off events. For 2174/2882 co-relation queries the response was YES. Maximal size of possible extension queue 542. Compared 160562 event pairs, 3557 based on Foata normal form. 6/17467 useless extension candidates. Maximal degree in co-relation 35522. Up to 7274 conditions per place. [2023-08-31 21:28:37,831 INFO L137 encePairwiseOnDemand]: 1102/1110 looper letters, 183 selfloop transitions, 7 changer transitions 0/251 dead transitions. [2023-08-31 21:28:37,831 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 251 transitions, 1138 flow [2023-08-31 21:28:37,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-31 21:28:37,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-31 21:28:37,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 4205 transitions. [2023-08-31 21:28:37,838 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47353603603603606 [2023-08-31 21:28:37,838 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 4205 transitions. [2023-08-31 21:28:37,838 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 4205 transitions. [2023-08-31 21:28:37,840 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:28:37,840 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 4205 transitions. [2023-08-31 21:28:37,845 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 525.625) internal successors, (4205), 8 states have internal predecessors, (4205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:37,853 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 1110.0) internal successors, (9990), 9 states have internal predecessors, (9990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:37,854 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 1110.0) internal successors, (9990), 9 states have internal predecessors, (9990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:37,854 INFO L175 Difference]: Start difference. First operand has 126 places, 123 transitions, 400 flow. Second operand 8 states and 4205 transitions. [2023-08-31 21:28:37,855 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 251 transitions, 1138 flow [2023-08-31 21:28:37,857 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 251 transitions, 1114 flow, removed 9 selfloop flow, removed 1 redundant places. [2023-08-31 21:28:37,859 INFO L231 Difference]: Finished difference. Result has 137 places, 128 transitions, 422 flow [2023-08-31 21:28:37,859 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1110, PETRI_DIFFERENCE_MINUEND_FLOW=376, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=422, PETRI_PLACES=137, PETRI_TRANSITIONS=128} [2023-08-31 21:28:37,859 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -9 predicate places. [2023-08-31 21:28:37,859 INFO L495 AbstractCegarLoop]: Abstraction has has 137 places, 128 transitions, 422 flow [2023-08-31 21:28:37,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 507.8888888888889) internal successors, (4571), 9 states have internal predecessors, (4571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:37,861 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:28:37,861 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:28:37,883 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-08-31 21:28:38,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-08-31 21:28:38,071 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-08-31 21:28:38,072 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:28:38,072 INFO L85 PathProgramCache]: Analyzing trace with hash 873124882, now seen corresponding path program 1 times [2023-08-31 21:28:38,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:28:38,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749319361] [2023-08-31 21:28:38,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:28:38,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:28:38,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:28:38,229 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-08-31 21:28:38,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:28:38,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749319361] [2023-08-31 21:28:38,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749319361] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-31 21:28:38,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [262851377] [2023-08-31 21:28:38,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:28:38,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-31 21:28:38,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 21:28:38,245 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-31 21:28:38,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-08-31 21:28:38,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:28:38,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 8 conjunts are in the unsatisfiable core [2023-08-31 21:28:38,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-31 21:28:38,476 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-08-31 21:28:38,476 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-31 21:28:38,528 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-08-31 21:28:38,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [262851377] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-31 21:28:38,529 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-31 21:28:38,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 17 [2023-08-31 21:28:38,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466842746] [2023-08-31 21:28:38,529 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-31 21:28:38,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-08-31 21:28:38,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:28:38,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-08-31 21:28:38,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=166, Unknown=0, NotChecked=0, Total=272 [2023-08-31 21:28:38,880 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 516 out of 1110 [2023-08-31 21:28:38,883 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 128 transitions, 422 flow. Second operand has 17 states, 17 states have (on average 517.8235294117648) internal successors, (8803), 17 states have internal predecessors, (8803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:38,883 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:28:38,883 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 516 of 1110 [2023-08-31 21:28:38,883 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:28:40,114 INFO L130 PetriNetUnfolder]: 5126/14391 cut-off events. [2023-08-31 21:28:40,114 INFO L131 PetriNetUnfolder]: For 2403/2802 co-relation queries the response was YES. [2023-08-31 21:28:40,156 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26208 conditions, 14391 events. 5126/14391 cut-off events. For 2403/2802 co-relation queries the response was YES. Maximal size of possible extension queue 398. Compared 145467 event pairs, 3772 based on Foata normal form. 39/13325 useless extension candidates. Maximal degree in co-relation 26189. Up to 7364 conditions per place. [2023-08-31 21:28:40,192 INFO L137 encePairwiseOnDemand]: 1103/1110 looper letters, 42 selfloop transitions, 18 changer transitions 0/131 dead transitions. [2023-08-31 21:28:40,192 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 131 transitions, 560 flow [2023-08-31 21:28:40,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-31 21:28:40,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-31 21:28:40,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 3668 transitions. [2023-08-31 21:28:40,198 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4720720720720721 [2023-08-31 21:28:40,198 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 3668 transitions. [2023-08-31 21:28:40,198 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 3668 transitions. [2023-08-31 21:28:40,199 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:28:40,199 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 3668 transitions. [2023-08-31 21:28:40,204 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 524.0) internal successors, (3668), 7 states have internal predecessors, (3668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:40,211 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 1110.0) internal successors, (8880), 8 states have internal predecessors, (8880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:40,212 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 1110.0) internal successors, (8880), 8 states have internal predecessors, (8880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:40,212 INFO L175 Difference]: Start difference. First operand has 137 places, 128 transitions, 422 flow. Second operand 7 states and 3668 transitions. [2023-08-31 21:28:40,212 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 131 transitions, 560 flow [2023-08-31 21:28:40,216 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 131 transitions, 556 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-31 21:28:40,217 INFO L231 Difference]: Finished difference. Result has 142 places, 131 transitions, 486 flow [2023-08-31 21:28:40,217 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1110, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=486, PETRI_PLACES=142, PETRI_TRANSITIONS=131} [2023-08-31 21:28:40,218 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -4 predicate places. [2023-08-31 21:28:40,218 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 131 transitions, 486 flow [2023-08-31 21:28:40,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 517.8235294117648) internal successors, (8803), 17 states have internal predecessors, (8803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:40,219 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:28:40,220 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:28:40,227 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-08-31 21:28:40,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-31 21:28:40,425 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-08-31 21:28:40,425 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:28:40,425 INFO L85 PathProgramCache]: Analyzing trace with hash 879507379, now seen corresponding path program 2 times [2023-08-31 21:28:40,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:28:40,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592654981] [2023-08-31 21:28:40,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:28:40,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:28:40,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:28:40,941 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-08-31 21:28:40,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:28:40,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592654981] [2023-08-31 21:28:40,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592654981] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:28:40,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:28:40,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:28:40,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615056127] [2023-08-31 21:28:40,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:28:40,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:28:40,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:28:40,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:28:40,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:28:41,277 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 512 out of 1110 [2023-08-31 21:28:41,278 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 131 transitions, 486 flow. Second operand has 6 states, 6 states have (on average 515.1666666666666) internal successors, (3091), 6 states have internal predecessors, (3091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:41,279 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:28:41,279 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 512 of 1110 [2023-08-31 21:28:41,279 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:28:43,053 INFO L130 PetriNetUnfolder]: 8456/19941 cut-off events. [2023-08-31 21:28:43,053 INFO L131 PetriNetUnfolder]: For 3335/3831 co-relation queries the response was YES. [2023-08-31 21:28:43,117 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37521 conditions, 19941 events. 8456/19941 cut-off events. For 3335/3831 co-relation queries the response was YES. Maximal size of possible extension queue 557. Compared 194070 event pairs, 3276 based on Foata normal form. 68/18814 useless extension candidates. Maximal degree in co-relation 37501. Up to 6481 conditions per place. [2023-08-31 21:28:43,172 INFO L137 encePairwiseOnDemand]: 1104/1110 looper letters, 148 selfloop transitions, 5 changer transitions 0/218 dead transitions. [2023-08-31 21:28:43,172 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 218 transitions, 1054 flow [2023-08-31 21:28:43,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:28:43,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:28:43,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3192 transitions. [2023-08-31 21:28:43,177 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47927927927927927 [2023-08-31 21:28:43,177 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3192 transitions. [2023-08-31 21:28:43,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3192 transitions. [2023-08-31 21:28:43,178 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:28:43,179 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3192 transitions. [2023-08-31 21:28:43,182 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 532.0) internal successors, (3192), 6 states have internal predecessors, (3192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:43,186 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1110.0) internal successors, (7770), 7 states have internal predecessors, (7770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:43,187 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1110.0) internal successors, (7770), 7 states have internal predecessors, (7770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:43,187 INFO L175 Difference]: Start difference. First operand has 142 places, 131 transitions, 486 flow. Second operand 6 states and 3192 transitions. [2023-08-31 21:28:43,187 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 218 transitions, 1054 flow [2023-08-31 21:28:43,192 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 218 transitions, 1018 flow, removed 6 selfloop flow, removed 4 redundant places. [2023-08-31 21:28:43,193 INFO L231 Difference]: Finished difference. Result has 142 places, 130 transitions, 458 flow [2023-08-31 21:28:43,193 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1110, PETRI_DIFFERENCE_MINUEND_FLOW=448, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=458, PETRI_PLACES=142, PETRI_TRANSITIONS=130} [2023-08-31 21:28:43,194 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -4 predicate places. [2023-08-31 21:28:43,194 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 130 transitions, 458 flow [2023-08-31 21:28:43,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 515.1666666666666) internal successors, (3091), 6 states have internal predecessors, (3091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:43,194 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:28:43,195 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:28:43,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-31 21:28:43,195 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-08-31 21:28:43,195 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:28:43,195 INFO L85 PathProgramCache]: Analyzing trace with hash 1488385206, now seen corresponding path program 1 times [2023-08-31 21:28:43,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:28:43,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014516918] [2023-08-31 21:28:43,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:28:43,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:28:43,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:28:43,574 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-08-31 21:28:43,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:28:43,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014516918] [2023-08-31 21:28:43,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014516918] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:28:43,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:28:43,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:28:43,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202750735] [2023-08-31 21:28:43,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:28:43,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:28:43,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:28:43,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:28:43,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:28:43,928 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 512 out of 1110 [2023-08-31 21:28:43,930 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 130 transitions, 458 flow. Second operand has 6 states, 6 states have (on average 515.6666666666666) internal successors, (3094), 6 states have internal predecessors, (3094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:43,930 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:28:43,930 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 512 of 1110 [2023-08-31 21:28:43,930 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:28:45,631 INFO L130 PetriNetUnfolder]: 7531/17181 cut-off events. [2023-08-31 21:28:45,631 INFO L131 PetriNetUnfolder]: For 3248/3662 co-relation queries the response was YES. [2023-08-31 21:28:45,697 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33929 conditions, 17181 events. 7531/17181 cut-off events. For 3248/3662 co-relation queries the response was YES. Maximal size of possible extension queue 499. Compared 158867 event pairs, 3389 based on Foata normal form. 50/16315 useless extension candidates. Maximal degree in co-relation 33908. Up to 6690 conditions per place. [2023-08-31 21:28:45,743 INFO L137 encePairwiseOnDemand]: 1104/1110 looper letters, 144 selfloop transitions, 5 changer transitions 0/213 dead transitions. [2023-08-31 21:28:45,744 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 213 transitions, 1018 flow [2023-08-31 21:28:45,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:28:45,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:28:45,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3188 transitions. [2023-08-31 21:28:45,748 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4786786786786787 [2023-08-31 21:28:45,748 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3188 transitions. [2023-08-31 21:28:45,748 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3188 transitions. [2023-08-31 21:28:45,749 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:28:45,749 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3188 transitions. [2023-08-31 21:28:45,753 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 531.3333333333334) internal successors, (3188), 6 states have internal predecessors, (3188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:45,756 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1110.0) internal successors, (7770), 7 states have internal predecessors, (7770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:45,757 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1110.0) internal successors, (7770), 7 states have internal predecessors, (7770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:45,757 INFO L175 Difference]: Start difference. First operand has 142 places, 130 transitions, 458 flow. Second operand 6 states and 3188 transitions. [2023-08-31 21:28:45,757 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 213 transitions, 1018 flow [2023-08-31 21:28:45,764 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 213 transitions, 1000 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-31 21:28:45,766 INFO L231 Difference]: Finished difference. Result has 141 places, 129 transitions, 456 flow [2023-08-31 21:28:45,766 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1110, PETRI_DIFFERENCE_MINUEND_FLOW=446, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=456, PETRI_PLACES=141, PETRI_TRANSITIONS=129} [2023-08-31 21:28:45,766 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -5 predicate places. [2023-08-31 21:28:45,766 INFO L495 AbstractCegarLoop]: Abstraction has has 141 places, 129 transitions, 456 flow [2023-08-31 21:28:45,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 515.6666666666666) internal successors, (3094), 6 states have internal predecessors, (3094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:45,767 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:28:45,767 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:28:45,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-31 21:28:45,767 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-08-31 21:28:45,768 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:28:45,768 INFO L85 PathProgramCache]: Analyzing trace with hash -901920010, now seen corresponding path program 1 times [2023-08-31 21:28:45,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:28:45,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894151307] [2023-08-31 21:28:45,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:28:45,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:28:45,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:28:45,814 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-08-31 21:28:45,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:28:45,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894151307] [2023-08-31 21:28:45,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894151307] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:28:45,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:28:45,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:28:45,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100438308] [2023-08-31 21:28:45,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:28:45,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:28:45,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:28:45,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:28:45,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:28:45,822 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 527 out of 1110 [2023-08-31 21:28:45,822 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 129 transitions, 456 flow. Second operand has 3 states, 3 states have (on average 532.3333333333334) internal successors, (1597), 3 states have internal predecessors, (1597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:45,822 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:28:45,823 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 527 of 1110 [2023-08-31 21:28:45,823 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:28:47,526 INFO L130 PetriNetUnfolder]: 9309/21783 cut-off events. [2023-08-31 21:28:47,526 INFO L131 PetriNetUnfolder]: For 3756/4269 co-relation queries the response was YES. [2023-08-31 21:28:47,703 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42301 conditions, 21783 events. 9309/21783 cut-off events. For 3756/4269 co-relation queries the response was YES. Maximal size of possible extension queue 722. Compared 213764 event pairs, 2514 based on Foata normal form. 108/21172 useless extension candidates. Maximal degree in co-relation 42280. Up to 9541 conditions per place. [2023-08-31 21:28:47,769 INFO L137 encePairwiseOnDemand]: 1106/1110 looper letters, 93 selfloop transitions, 2 changer transitions 0/158 dead transitions. [2023-08-31 21:28:47,769 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 158 transitions, 737 flow [2023-08-31 21:28:47,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:28:47,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:28:47,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1651 transitions. [2023-08-31 21:28:47,774 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4957957957957958 [2023-08-31 21:28:47,774 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1651 transitions. [2023-08-31 21:28:47,774 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1651 transitions. [2023-08-31 21:28:47,775 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:28:47,775 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1651 transitions. [2023-08-31 21:28:47,787 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 550.3333333333334) internal successors, (1651), 3 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:47,789 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1110.0) internal successors, (4440), 4 states have internal predecessors, (4440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:47,789 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1110.0) internal successors, (4440), 4 states have internal predecessors, (4440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:47,789 INFO L175 Difference]: Start difference. First operand has 141 places, 129 transitions, 456 flow. Second operand 3 states and 1651 transitions. [2023-08-31 21:28:47,789 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 158 transitions, 737 flow [2023-08-31 21:28:47,805 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 158 transitions, 727 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-31 21:28:47,806 INFO L231 Difference]: Finished difference. Result has 137 places, 129 transitions, 456 flow [2023-08-31 21:28:47,806 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1110, PETRI_DIFFERENCE_MINUEND_FLOW=442, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=456, PETRI_PLACES=137, PETRI_TRANSITIONS=129} [2023-08-31 21:28:47,807 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -9 predicate places. [2023-08-31 21:28:47,807 INFO L495 AbstractCegarLoop]: Abstraction has has 137 places, 129 transitions, 456 flow [2023-08-31 21:28:47,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 532.3333333333334) internal successors, (1597), 3 states have internal predecessors, (1597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:47,807 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:28:47,807 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:28:47,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-31 21:28:47,808 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-08-31 21:28:47,808 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:28:47,808 INFO L85 PathProgramCache]: Analyzing trace with hash -972674838, now seen corresponding path program 1 times [2023-08-31 21:28:47,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:28:47,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746326258] [2023-08-31 21:28:47,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:28:47,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:28:47,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:28:48,178 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-08-31 21:28:48,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:28:48,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746326258] [2023-08-31 21:28:48,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746326258] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:28:48,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:28:48,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:28:48,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307719773] [2023-08-31 21:28:48,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:28:48,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:28:48,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:28:48,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:28:48,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:28:48,486 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 513 out of 1110 [2023-08-31 21:28:48,487 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 129 transitions, 456 flow. Second operand has 6 states, 6 states have (on average 516.8333333333334) internal successors, (3101), 6 states have internal predecessors, (3101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:48,487 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:28:48,487 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 513 of 1110 [2023-08-31 21:28:48,487 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:28:50,248 INFO L130 PetriNetUnfolder]: 8632/21429 cut-off events. [2023-08-31 21:28:50,248 INFO L131 PetriNetUnfolder]: For 3133/3562 co-relation queries the response was YES. [2023-08-31 21:28:50,310 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40427 conditions, 21429 events. 8632/21429 cut-off events. For 3133/3562 co-relation queries the response was YES. Maximal size of possible extension queue 630. Compared 215428 event pairs, 4670 based on Foata normal form. 86/20886 useless extension candidates. Maximal degree in co-relation 40406. Up to 8827 conditions per place. [2023-08-31 21:28:50,354 INFO L137 encePairwiseOnDemand]: 1105/1110 looper letters, 136 selfloop transitions, 4 changer transitions 0/204 dead transitions. [2023-08-31 21:28:50,355 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 204 transitions, 966 flow [2023-08-31 21:28:50,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:28:50,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:28:50,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3181 transitions. [2023-08-31 21:28:50,359 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4776276276276276 [2023-08-31 21:28:50,359 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3181 transitions. [2023-08-31 21:28:50,359 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3181 transitions. [2023-08-31 21:28:50,360 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:28:50,360 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3181 transitions. [2023-08-31 21:28:50,362 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 530.1666666666666) internal successors, (3181), 6 states have internal predecessors, (3181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:50,367 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1110.0) internal successors, (7770), 7 states have internal predecessors, (7770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:50,367 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1110.0) internal successors, (7770), 7 states have internal predecessors, (7770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:50,367 INFO L175 Difference]: Start difference. First operand has 137 places, 129 transitions, 456 flow. Second operand 6 states and 3181 transitions. [2023-08-31 21:28:50,368 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 204 transitions, 966 flow [2023-08-31 21:28:50,371 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 204 transitions, 966 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:28:50,373 INFO L231 Difference]: Finished difference. Result has 141 places, 128 transitions, 462 flow [2023-08-31 21:28:50,373 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1110, PETRI_DIFFERENCE_MINUEND_FLOW=454, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=462, PETRI_PLACES=141, PETRI_TRANSITIONS=128} [2023-08-31 21:28:50,373 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -5 predicate places. [2023-08-31 21:28:50,374 INFO L495 AbstractCegarLoop]: Abstraction has has 141 places, 128 transitions, 462 flow [2023-08-31 21:28:50,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 516.8333333333334) internal successors, (3101), 6 states have internal predecessors, (3101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:50,374 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:28:50,374 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:28:50,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-08-31 21:28:50,374 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-08-31 21:28:50,375 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:28:50,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1676596678, now seen corresponding path program 1 times [2023-08-31 21:28:50,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:28:50,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585536146] [2023-08-31 21:28:50,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:28:50,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:28:50,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:28:50,695 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-08-31 21:28:50,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:28:50,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585536146] [2023-08-31 21:28:50,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585536146] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:28:50,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:28:50,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:28:50,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156394318] [2023-08-31 21:28:50,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:28:50,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:28:50,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:28:50,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:28:50,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:28:51,065 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 512 out of 1110 [2023-08-31 21:28:51,067 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 128 transitions, 462 flow. Second operand has 6 states, 6 states have (on average 514.8333333333334) internal successors, (3089), 6 states have internal predecessors, (3089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:51,067 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:28:51,067 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 512 of 1110 [2023-08-31 21:28:51,067 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:28:53,033 INFO L130 PetriNetUnfolder]: 11178/24709 cut-off events. [2023-08-31 21:28:53,033 INFO L131 PetriNetUnfolder]: For 3227/3610 co-relation queries the response was YES. [2023-08-31 21:28:53,168 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48272 conditions, 24709 events. 11178/24709 cut-off events. For 3227/3610 co-relation queries the response was YES. Maximal size of possible extension queue 674. Compared 235158 event pairs, 5079 based on Foata normal form. 456/24579 useless extension candidates. Maximal degree in co-relation 48250. Up to 9597 conditions per place. [2023-08-31 21:28:53,236 INFO L137 encePairwiseOnDemand]: 1104/1110 looper letters, 146 selfloop transitions, 6 changer transitions 0/215 dead transitions. [2023-08-31 21:28:53,237 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 215 transitions, 1004 flow [2023-08-31 21:28:53,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:28:53,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:28:53,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3195 transitions. [2023-08-31 21:28:53,241 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4797297297297297 [2023-08-31 21:28:53,241 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3195 transitions. [2023-08-31 21:28:53,241 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3195 transitions. [2023-08-31 21:28:53,241 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:28:53,242 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3195 transitions. [2023-08-31 21:28:53,244 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 532.5) internal successors, (3195), 6 states have internal predecessors, (3195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:53,247 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1110.0) internal successors, (7770), 7 states have internal predecessors, (7770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:53,248 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1110.0) internal successors, (7770), 7 states have internal predecessors, (7770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:53,248 INFO L175 Difference]: Start difference. First operand has 141 places, 128 transitions, 462 flow. Second operand 6 states and 3195 transitions. [2023-08-31 21:28:53,248 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 215 transitions, 1004 flow [2023-08-31 21:28:53,257 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 215 transitions, 997 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-31 21:28:53,258 INFO L231 Difference]: Finished difference. Result has 141 places, 127 transitions, 465 flow [2023-08-31 21:28:53,258 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1110, PETRI_DIFFERENCE_MINUEND_FLOW=453, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=465, PETRI_PLACES=141, PETRI_TRANSITIONS=127} [2023-08-31 21:28:53,259 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -5 predicate places. [2023-08-31 21:28:53,259 INFO L495 AbstractCegarLoop]: Abstraction has has 141 places, 127 transitions, 465 flow [2023-08-31 21:28:53,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 514.8333333333334) internal successors, (3089), 6 states have internal predecessors, (3089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:53,259 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:28:53,259 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:28:53,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-08-31 21:28:53,260 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-08-31 21:28:53,260 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:28:53,260 INFO L85 PathProgramCache]: Analyzing trace with hash -660779989, now seen corresponding path program 1 times [2023-08-31 21:28:53,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:28:53,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975740961] [2023-08-31 21:28:53,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:28:53,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:28:53,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:28:53,595 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-08-31 21:28:53,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:28:53,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975740961] [2023-08-31 21:28:53,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975740961] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:28:53,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:28:53,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:28:53,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909565469] [2023-08-31 21:28:53,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:28:53,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:28:53,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:28:53,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:28:53,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:28:53,951 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 512 out of 1110 [2023-08-31 21:28:53,952 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 127 transitions, 465 flow. Second operand has 6 states, 6 states have (on average 515.6666666666666) internal successors, (3094), 6 states have internal predecessors, (3094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:53,952 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:28:53,953 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 512 of 1110 [2023-08-31 21:28:53,953 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:28:55,794 INFO L130 PetriNetUnfolder]: 8581/20963 cut-off events. [2023-08-31 21:28:55,794 INFO L131 PetriNetUnfolder]: For 3962/4449 co-relation queries the response was YES. [2023-08-31 21:28:55,996 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41391 conditions, 20963 events. 8581/20963 cut-off events. For 3962/4449 co-relation queries the response was YES. Maximal size of possible extension queue 624. Compared 206750 event pairs, 4671 based on Foata normal form. 98/20527 useless extension candidates. Maximal degree in co-relation 41369. Up to 8878 conditions per place. [2023-08-31 21:28:56,063 INFO L137 encePairwiseOnDemand]: 1104/1110 looper letters, 142 selfloop transitions, 5 changer transitions 0/210 dead transitions. [2023-08-31 21:28:56,063 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 210 transitions, 1029 flow [2023-08-31 21:28:56,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:28:56,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:28:56,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3186 transitions. [2023-08-31 21:28:56,067 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4783783783783784 [2023-08-31 21:28:56,067 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3186 transitions. [2023-08-31 21:28:56,068 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3186 transitions. [2023-08-31 21:28:56,068 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:28:56,068 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3186 transitions. [2023-08-31 21:28:56,070 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 531.0) internal successors, (3186), 6 states have internal predecessors, (3186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:56,095 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1110.0) internal successors, (7770), 7 states have internal predecessors, (7770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:56,095 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1110.0) internal successors, (7770), 7 states have internal predecessors, (7770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:56,095 INFO L175 Difference]: Start difference. First operand has 141 places, 127 transitions, 465 flow. Second operand 6 states and 3186 transitions. [2023-08-31 21:28:56,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 210 transitions, 1029 flow [2023-08-31 21:28:56,104 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 210 transitions, 1001 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-31 21:28:56,106 INFO L231 Difference]: Finished difference. Result has 140 places, 126 transitions, 461 flow [2023-08-31 21:28:56,106 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1110, PETRI_DIFFERENCE_MINUEND_FLOW=451, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=461, PETRI_PLACES=140, PETRI_TRANSITIONS=126} [2023-08-31 21:28:56,107 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -6 predicate places. [2023-08-31 21:28:56,107 INFO L495 AbstractCegarLoop]: Abstraction has has 140 places, 126 transitions, 461 flow [2023-08-31 21:28:56,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 515.6666666666666) internal successors, (3094), 6 states have internal predecessors, (3094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:56,107 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:28:56,107 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:28:56,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-08-31 21:28:56,108 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-08-31 21:28:56,108 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:28:56,108 INFO L85 PathProgramCache]: Analyzing trace with hash -595170214, now seen corresponding path program 1 times [2023-08-31 21:28:56,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:28:56,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144711955] [2023-08-31 21:28:56,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:28:56,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:28:56,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:28:56,442 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-08-31 21:28:56,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:28:56,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144711955] [2023-08-31 21:28:56,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144711955] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:28:56,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:28:56,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:28:56,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655310112] [2023-08-31 21:28:56,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:28:56,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:28:56,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:28:56,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:28:56,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:28:56,928 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 512 out of 1110 [2023-08-31 21:28:56,929 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 126 transitions, 461 flow. Second operand has 6 states, 6 states have (on average 515.1666666666666) internal successors, (3091), 6 states have internal predecessors, (3091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:56,929 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:28:56,929 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 512 of 1110 [2023-08-31 21:28:56,929 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:28:58,774 INFO L130 PetriNetUnfolder]: 9550/22398 cut-off events. [2023-08-31 21:28:58,775 INFO L131 PetriNetUnfolder]: For 4330/4887 co-relation queries the response was YES. [2023-08-31 21:28:58,865 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44469 conditions, 22398 events. 9550/22398 cut-off events. For 4330/4887 co-relation queries the response was YES. Maximal size of possible extension queue 732. Compared 219623 event pairs, 4575 based on Foata normal form. 176/22028 useless extension candidates. Maximal degree in co-relation 44447. Up to 8640 conditions per place. [2023-08-31 21:28:58,918 INFO L137 encePairwiseOnDemand]: 1104/1110 looper letters, 147 selfloop transitions, 5 changer transitions 0/213 dead transitions. [2023-08-31 21:28:58,918 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 213 transitions, 1043 flow [2023-08-31 21:28:58,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:28:58,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:28:58,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3191 transitions. [2023-08-31 21:28:58,922 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47912912912912914 [2023-08-31 21:28:58,922 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3191 transitions. [2023-08-31 21:28:58,922 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3191 transitions. [2023-08-31 21:28:58,923 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:28:58,923 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3191 transitions. [2023-08-31 21:28:58,925 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 531.8333333333334) internal successors, (3191), 6 states have internal predecessors, (3191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:58,928 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1110.0) internal successors, (7770), 7 states have internal predecessors, (7770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:58,928 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1110.0) internal successors, (7770), 7 states have internal predecessors, (7770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:58,928 INFO L175 Difference]: Start difference. First operand has 140 places, 126 transitions, 461 flow. Second operand 6 states and 3191 transitions. [2023-08-31 21:28:58,929 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 213 transitions, 1043 flow [2023-08-31 21:28:58,943 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 213 transitions, 1017 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-31 21:28:58,945 INFO L231 Difference]: Finished difference. Result has 139 places, 125 transitions, 459 flow [2023-08-31 21:28:58,945 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1110, PETRI_DIFFERENCE_MINUEND_FLOW=449, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=459, PETRI_PLACES=139, PETRI_TRANSITIONS=125} [2023-08-31 21:28:58,945 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -7 predicate places. [2023-08-31 21:28:58,945 INFO L495 AbstractCegarLoop]: Abstraction has has 139 places, 125 transitions, 459 flow [2023-08-31 21:28:58,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 515.1666666666666) internal successors, (3091), 6 states have internal predecessors, (3091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:58,946 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:28:58,946 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:28:58,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-08-31 21:28:58,946 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-08-31 21:28:58,946 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:28:58,947 INFO L85 PathProgramCache]: Analyzing trace with hash 987525972, now seen corresponding path program 1 times [2023-08-31 21:28:58,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:28:58,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049647928] [2023-08-31 21:28:58,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:28:58,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:28:58,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:28:59,288 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-08-31 21:28:59,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:28:59,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049647928] [2023-08-31 21:28:59,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049647928] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:28:59,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:28:59,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:28:59,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552678277] [2023-08-31 21:28:59,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:28:59,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:28:59,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:28:59,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:28:59,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:28:59,644 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 512 out of 1110 [2023-08-31 21:28:59,646 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 125 transitions, 459 flow. Second operand has 6 states, 6 states have (on average 515.8333333333334) internal successors, (3095), 6 states have internal predecessors, (3095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:59,646 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:28:59,646 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 512 of 1110 [2023-08-31 21:28:59,646 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:29:01,836 INFO L130 PetriNetUnfolder]: 12243/27038 cut-off events. [2023-08-31 21:29:01,837 INFO L131 PetriNetUnfolder]: For 5125/5180 co-relation queries the response was YES. [2023-08-31 21:29:01,927 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55347 conditions, 27038 events. 12243/27038 cut-off events. For 5125/5180 co-relation queries the response was YES. Maximal size of possible extension queue 676. Compared 257515 event pairs, 4983 based on Foata normal form. 228/26764 useless extension candidates. Maximal degree in co-relation 55325. Up to 9326 conditions per place. [2023-08-31 21:29:01,987 INFO L137 encePairwiseOnDemand]: 1104/1110 looper letters, 151 selfloop transitions, 10 changer transitions 0/216 dead transitions. [2023-08-31 21:29:01,987 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 216 transitions, 1045 flow [2023-08-31 21:29:01,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:29:01,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:29:01,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3196 transitions. [2023-08-31 21:29:01,991 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4798798798798799 [2023-08-31 21:29:01,991 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3196 transitions. [2023-08-31 21:29:01,992 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3196 transitions. [2023-08-31 21:29:01,992 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:29:01,992 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3196 transitions. [2023-08-31 21:29:01,995 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 532.6666666666666) internal successors, (3196), 6 states have internal predecessors, (3196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:29:01,997 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1110.0) internal successors, (7770), 7 states have internal predecessors, (7770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:29:01,998 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1110.0) internal successors, (7770), 7 states have internal predecessors, (7770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:29:01,998 INFO L175 Difference]: Start difference. First operand has 139 places, 125 transitions, 459 flow. Second operand 6 states and 3196 transitions. [2023-08-31 21:29:01,998 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 216 transitions, 1045 flow [2023-08-31 21:29:02,028 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 216 transitions, 1027 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-31 21:29:02,032 INFO L231 Difference]: Finished difference. Result has 138 places, 124 transitions, 465 flow [2023-08-31 21:29:02,032 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1110, PETRI_DIFFERENCE_MINUEND_FLOW=445, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=465, PETRI_PLACES=138, PETRI_TRANSITIONS=124} [2023-08-31 21:29:02,033 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -8 predicate places. [2023-08-31 21:29:02,033 INFO L495 AbstractCegarLoop]: Abstraction has has 138 places, 124 transitions, 465 flow [2023-08-31 21:29:02,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 515.8333333333334) internal successors, (3095), 6 states have internal predecessors, (3095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:29:02,033 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:29:02,034 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:29:02,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-08-31 21:29:02,034 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-08-31 21:29:02,034 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:29:02,034 INFO L85 PathProgramCache]: Analyzing trace with hash 44340580, now seen corresponding path program 1 times [2023-08-31 21:29:02,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:29:02,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440148786] [2023-08-31 21:29:02,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:29:02,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:29:02,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:29:02,419 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-08-31 21:29:02,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:29:02,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440148786] [2023-08-31 21:29:02,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440148786] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:29:02,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:29:02,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:29:02,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292994119] [2023-08-31 21:29:02,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:29:02,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:29:02,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:29:02,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:29:02,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:29:02,732 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 513 out of 1110 [2023-08-31 21:29:02,733 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 124 transitions, 465 flow. Second operand has 6 states, 6 states have (on average 517.8333333333334) internal successors, (3107), 6 states have internal predecessors, (3107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:29:02,733 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:29:02,733 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 513 of 1110 [2023-08-31 21:29:02,733 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:29:04,229 INFO L130 PetriNetUnfolder]: 7046/19051 cut-off events. [2023-08-31 21:29:04,230 INFO L131 PetriNetUnfolder]: For 4033/4502 co-relation queries the response was YES. [2023-08-31 21:29:04,321 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36397 conditions, 19051 events. 7046/19051 cut-off events. For 4033/4502 co-relation queries the response was YES. Maximal size of possible extension queue 566. Compared 196547 event pairs, 5047 based on Foata normal form. 86/18575 useless extension candidates. Maximal degree in co-relation 36375. Up to 9576 conditions per place. [2023-08-31 21:29:04,333 INFO L137 encePairwiseOnDemand]: 1105/1110 looper letters, 0 selfloop transitions, 0 changer transitions 159/159 dead transitions. [2023-08-31 21:29:04,334 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 159 transitions, 763 flow [2023-08-31 21:29:04,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:29:04,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:29:04,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3153 transitions. [2023-08-31 21:29:04,338 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4734234234234234 [2023-08-31 21:29:04,338 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3153 transitions. [2023-08-31 21:29:04,338 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3153 transitions. [2023-08-31 21:29:04,338 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:29:04,338 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3153 transitions. [2023-08-31 21:29:04,341 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 525.5) internal successors, (3153), 6 states have internal predecessors, (3153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:29:04,343 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1110.0) internal successors, (7770), 7 states have internal predecessors, (7770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:29:04,344 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1110.0) internal successors, (7770), 7 states have internal predecessors, (7770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:29:04,344 INFO L175 Difference]: Start difference. First operand has 138 places, 124 transitions, 465 flow. Second operand 6 states and 3153 transitions. [2023-08-31 21:29:04,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 159 transitions, 763 flow [2023-08-31 21:29:04,352 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 159 transitions, 743 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-31 21:29:04,353 INFO L231 Difference]: Finished difference. Result has 137 places, 0 transitions, 0 flow [2023-08-31 21:29:04,353 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1110, PETRI_DIFFERENCE_MINUEND_FLOW=443, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=137, PETRI_TRANSITIONS=0} [2023-08-31 21:29:04,353 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -9 predicate places. [2023-08-31 21:29:04,354 INFO L495 AbstractCegarLoop]: Abstraction has has 137 places, 0 transitions, 0 flow [2023-08-31 21:29:04,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 517.8333333333334) internal successors, (3107), 6 states have internal predecessors, (3107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:29:04,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (85 of 86 remaining) [2023-08-31 21:29:04,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (84 of 86 remaining) [2023-08-31 21:29:04,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (83 of 86 remaining) [2023-08-31 21:29:04,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (82 of 86 remaining) [2023-08-31 21:29:04,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (81 of 86 remaining) [2023-08-31 21:29:04,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (80 of 86 remaining) [2023-08-31 21:29:04,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (79 of 86 remaining) [2023-08-31 21:29:04,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (78 of 86 remaining) [2023-08-31 21:29:04,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (77 of 86 remaining) [2023-08-31 21:29:04,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (76 of 86 remaining) [2023-08-31 21:29:04,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (75 of 86 remaining) [2023-08-31 21:29:04,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (74 of 86 remaining) [2023-08-31 21:29:04,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (73 of 86 remaining) [2023-08-31 21:29:04,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (72 of 86 remaining) [2023-08-31 21:29:04,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (71 of 86 remaining) [2023-08-31 21:29:04,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (70 of 86 remaining) [2023-08-31 21:29:04,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (69 of 86 remaining) [2023-08-31 21:29:04,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (68 of 86 remaining) [2023-08-31 21:29:04,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (67 of 86 remaining) [2023-08-31 21:29:04,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (66 of 86 remaining) [2023-08-31 21:29:04,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (65 of 86 remaining) [2023-08-31 21:29:04,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (64 of 86 remaining) [2023-08-31 21:29:04,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (63 of 86 remaining) [2023-08-31 21:29:04,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (62 of 86 remaining) [2023-08-31 21:29:04,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (61 of 86 remaining) [2023-08-31 21:29:04,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (60 of 86 remaining) [2023-08-31 21:29:04,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (59 of 86 remaining) [2023-08-31 21:29:04,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (58 of 86 remaining) [2023-08-31 21:29:04,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (57 of 86 remaining) [2023-08-31 21:29:04,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (56 of 86 remaining) [2023-08-31 21:29:04,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (55 of 86 remaining) [2023-08-31 21:29:04,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (54 of 86 remaining) [2023-08-31 21:29:04,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (53 of 86 remaining) [2023-08-31 21:29:04,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (52 of 86 remaining) [2023-08-31 21:29:04,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (51 of 86 remaining) [2023-08-31 21:29:04,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (50 of 86 remaining) [2023-08-31 21:29:04,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (49 of 86 remaining) [2023-08-31 21:29:04,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (48 of 86 remaining) [2023-08-31 21:29:04,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (47 of 86 remaining) [2023-08-31 21:29:04,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (46 of 86 remaining) [2023-08-31 21:29:04,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (45 of 86 remaining) [2023-08-31 21:29:04,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (44 of 86 remaining) [2023-08-31 21:29:04,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (43 of 86 remaining) [2023-08-31 21:29:04,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (42 of 86 remaining) [2023-08-31 21:29:04,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (41 of 86 remaining) [2023-08-31 21:29:04,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (40 of 86 remaining) [2023-08-31 21:29:04,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (39 of 86 remaining) [2023-08-31 21:29:04,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (38 of 86 remaining) [2023-08-31 21:29:04,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (37 of 86 remaining) [2023-08-31 21:29:04,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (36 of 86 remaining) [2023-08-31 21:29:04,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (35 of 86 remaining) [2023-08-31 21:29:04,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 86 remaining) [2023-08-31 21:29:04,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 86 remaining) [2023-08-31 21:29:04,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (32 of 86 remaining) [2023-08-31 21:29:04,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (31 of 86 remaining) [2023-08-31 21:29:04,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (30 of 86 remaining) [2023-08-31 21:29:04,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (29 of 86 remaining) [2023-08-31 21:29:04,365 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (28 of 86 remaining) [2023-08-31 21:29:04,365 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (27 of 86 remaining) [2023-08-31 21:29:04,365 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (26 of 86 remaining) [2023-08-31 21:29:04,365 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (25 of 86 remaining) [2023-08-31 21:29:04,365 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (24 of 86 remaining) [2023-08-31 21:29:04,365 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (23 of 86 remaining) [2023-08-31 21:29:04,366 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (22 of 86 remaining) [2023-08-31 21:29:04,366 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (21 of 86 remaining) [2023-08-31 21:29:04,366 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (20 of 86 remaining) [2023-08-31 21:29:04,366 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (19 of 86 remaining) [2023-08-31 21:29:04,366 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (18 of 86 remaining) [2023-08-31 21:29:04,366 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (17 of 86 remaining) [2023-08-31 21:29:04,366 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (16 of 86 remaining) [2023-08-31 21:29:04,366 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (15 of 86 remaining) [2023-08-31 21:29:04,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (14 of 86 remaining) [2023-08-31 21:29:04,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (13 of 86 remaining) [2023-08-31 21:29:04,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (12 of 86 remaining) [2023-08-31 21:29:04,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (11 of 86 remaining) [2023-08-31 21:29:04,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (10 of 86 remaining) [2023-08-31 21:29:04,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (9 of 86 remaining) [2023-08-31 21:29:04,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (8 of 86 remaining) [2023-08-31 21:29:04,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (7 of 86 remaining) [2023-08-31 21:29:04,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (6 of 86 remaining) [2023-08-31 21:29:04,368 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (5 of 86 remaining) [2023-08-31 21:29:04,368 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (4 of 86 remaining) [2023-08-31 21:29:04,368 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (3 of 86 remaining) [2023-08-31 21:29:04,368 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (2 of 86 remaining) [2023-08-31 21:29:04,368 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (1 of 86 remaining) [2023-08-31 21:29:04,368 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (0 of 86 remaining) [2023-08-31 21:29:04,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-08-31 21:29:04,368 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:29:04,374 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-31 21:29:04,374 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-31 21:29:04,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.08 09:29:04 BasicIcfg [2023-08-31 21:29:04,377 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-31 21:29:04,377 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-31 21:29:04,377 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-31 21:29:04,377 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-31 21:29:04,378 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:28:16" (3/4) ... [2023-08-31 21:29:04,379 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-31 21:29:04,382 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-31 21:29:04,382 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-31 21:29:04,383 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-08-31 21:29:04,388 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2023-08-31 21:29:04,388 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-31 21:29:04,388 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-31 21:29:04,389 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-31 21:29:04,433 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-31 21:29:04,434 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-31 21:29:04,434 INFO L158 Benchmark]: Toolchain (without parser) took 49215.03ms. Allocated memory was 69.2MB in the beginning and 4.1GB in the end (delta: 4.0GB). Free memory was 46.5MB in the beginning and 1.6GB in the end (delta: -1.6GB). Peak memory consumption was 2.5GB. Max. memory is 16.1GB. [2023-08-31 21:29:04,434 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 56.6MB. Free memory is still 34.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 21:29:04,435 INFO L158 Benchmark]: CACSL2BoogieTranslator took 233.08ms. Allocated memory is still 69.2MB. Free memory was 46.3MB in the beginning and 33.3MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-31 21:29:04,435 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.53ms. Allocated memory is still 69.2MB. Free memory was 33.3MB in the beginning and 29.3MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-31 21:29:04,435 INFO L158 Benchmark]: Boogie Preprocessor took 70.74ms. Allocated memory is still 69.2MB. Free memory was 29.3MB in the beginning and 46.5MB in the end (delta: -17.1MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2023-08-31 21:29:04,435 INFO L158 Benchmark]: RCFGBuilder took 704.51ms. Allocated memory is still 69.2MB. Free memory was 46.5MB in the beginning and 26.7MB in the end (delta: 19.7MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2023-08-31 21:29:04,435 INFO L158 Benchmark]: TraceAbstraction took 48090.22ms. Allocated memory was 69.2MB in the beginning and 4.1GB in the end (delta: 4.0GB). Free memory was 26.1MB in the beginning and 1.6GB in the end (delta: -1.6GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. [2023-08-31 21:29:04,436 INFO L158 Benchmark]: Witness Printer took 56.70ms. Allocated memory is still 4.1GB. Free memory was 1.6GB in the beginning and 1.6GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-31 21:29:04,437 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 56.6MB. Free memory is still 34.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 233.08ms. Allocated memory is still 69.2MB. Free memory was 46.3MB in the beginning and 33.3MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.53ms. Allocated memory is still 69.2MB. Free memory was 33.3MB in the beginning and 29.3MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.74ms. Allocated memory is still 69.2MB. Free memory was 29.3MB in the beginning and 46.5MB in the end (delta: -17.1MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * RCFGBuilder took 704.51ms. Allocated memory is still 69.2MB. Free memory was 46.5MB in the beginning and 26.7MB in the end (delta: 19.7MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. * TraceAbstraction took 48090.22ms. Allocated memory was 69.2MB in the beginning and 4.1GB in the end (delta: 4.0GB). Free memory was 26.1MB in the beginning and 1.6GB in the end (delta: -1.6GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. * Witness Printer took 56.70ms. Allocated memory is still 4.1GB. Free memory was 1.6GB in the beginning and 1.6GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.1s, 520 PlacesBefore, 146 PlacesAfterwards, 541 TransitionsBefore, 143 TransitionsAfterwards, 67830 CoEnabledTransitionPairs, 8 FixpointIterations, 222 TrivialSequentialCompositions, 243 ConcurrentSequentialCompositions, 26 TrivialYvCompositions, 31 ConcurrentYvCompositions, 24 ChoiceCompositions, 546 TotalNumberOfCompositions, 213599 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 87056, independent: 85462, independent conditional: 0, independent unconditional: 85462, dependent: 1594, dependent conditional: 0, dependent unconditional: 1594, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 36110, independent: 35852, independent conditional: 0, independent unconditional: 35852, dependent: 258, dependent conditional: 0, dependent unconditional: 258, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 87056, independent: 49610, independent conditional: 0, independent unconditional: 49610, dependent: 1336, dependent conditional: 0, dependent unconditional: 1336, unknown: 36110, unknown conditional: 0, unknown unconditional: 36110] , Statistics on independence cache: Total cache size (in pairs): 2442, Positive cache size: 2291, Positive conditional cache size: 0, Positive unconditional cache size: 2291, Negative cache size: 151, Negative conditional cache size: 0, Negative unconditional cache size: 151, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: 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: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: 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: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: 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: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: 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: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: 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, 805 locations, 86 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: 47.9s, OverallIterations: 20, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 32.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4681 SdHoareTripleChecker+Valid, 6.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3103 mSDsluCounter, 299 SdHoareTripleChecker+Invalid, 5.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 250 mSDsCounter, 1552 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9887 IncrementalHoareTripleChecker+Invalid, 11439 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1552 mSolverCounterUnsat, 49 mSDtfsCounter, 9887 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 216 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=486occurred in iteration=11, InterpolantAutomatonStates: 98, 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, 0.4s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 614 NumberOfCodeBlocks, 602 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 640 ConstructedInterpolants, 0 QuantifiedInterpolants, 1883 SizeOfPredicates, 2 NumberOfNonLiveVariables, 977 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 25 InterpolantComputations, 18 PerfectInterpolantSequences, 529/572 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 50 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-31 21:29:04,459 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